drm/i915: Mass convert dev->dev_private to to_i915(dev)
[cascardo/linux.git] / drivers / gpu / drm / i915 / intel_display.c
index 2113f40..c3c620b 100644 (file)
@@ -36,6 +36,7 @@
 #include "intel_drv.h"
 #include <drm/i915_drm.h>
 #include "i915_drv.h"
+#include "i915_gem_dmabuf.h"
 #include "intel_dsi.h"
 #include "i915_trace.h"
 #include <drm/drm_atomic.h>
 #include <drm/drm_rect.h>
 #include <linux/dma_remapping.h>
 #include <linux/reservation.h>
-#include <linux/dma-buf.h>
+
+static bool is_mmio_work(struct intel_flip_work *work)
+{
+       return work->mmio_work.func;
+}
 
 /* Primary plane formats for gen <= 3 */
 static const uint32_t i8xx_primary_formats[] = {
@@ -117,20 +122,18 @@ static void ironlake_pfit_disable(struct intel_crtc *crtc, bool force);
 static void ironlake_pfit_enable(struct intel_crtc *crtc);
 static void intel_modeset_setup_hw_state(struct drm_device *dev);
 static void intel_pre_disable_primary_noatomic(struct drm_crtc *crtc);
+static int ilk_max_pixel_rate(struct drm_atomic_state *state);
+static int bxt_calc_cdclk(int max_pixclk);
 
-typedef struct {
-       int     min, max;
-} intel_range_t;
-
-typedef struct {
-       int     dot_limit;
-       int     p2_slow, p2_fast;
-} intel_p2_t;
-
-typedef struct intel_limit intel_limit_t;
 struct intel_limit {
-       intel_range_t   dot, vco, n, m, m1, m2, p, p1;
-       intel_p2_t          p2;
+       struct {
+               int min, max;
+       } dot, vco, n, m, m1, m2, p, p1;
+
+       struct {
+               int dot_limit;
+               int p2_slow, p2_fast;
+       } p2;
 };
 
 /* returns HPLL frequency in kHz */
@@ -185,6 +188,7 @@ intel_pch_rawclk(struct drm_i915_private *dev_priv)
 static int
 intel_vlv_hrawclk(struct drm_i915_private *dev_priv)
 {
+       /* RAWCLK_FREQ_VLV register updated from power well code */
        return vlv_get_cck_clock_hpll(dev_priv, "hrawclk",
                                      CCK_DISPLAY_REF_CLOCK_CONTROL);
 }
@@ -218,7 +222,7 @@ intel_g4x_hrawclk(struct drm_i915_private *dev_priv)
        }
 }
 
-static void intel_update_rawclk(struct drm_i915_private *dev_priv)
+void intel_update_rawclk(struct drm_i915_private *dev_priv)
 {
        if (HAS_PCH_SPLIT(dev_priv))
                dev_priv->rawclk_freq = intel_pch_rawclk(dev_priv);
@@ -255,7 +259,7 @@ intel_fdi_link_freq(struct drm_i915_private *dev_priv,
                return 270000;
 }
 
-static const intel_limit_t intel_limits_i8xx_dac = {
+static const struct intel_limit intel_limits_i8xx_dac = {
        .dot = { .min = 25000, .max = 350000 },
        .vco = { .min = 908000, .max = 1512000 },
        .n = { .min = 2, .max = 16 },
@@ -268,7 +272,7 @@ static const intel_limit_t intel_limits_i8xx_dac = {
                .p2_slow = 4, .p2_fast = 2 },
 };
 
-static const intel_limit_t intel_limits_i8xx_dvo = {
+static const struct intel_limit intel_limits_i8xx_dvo = {
        .dot = { .min = 25000, .max = 350000 },
        .vco = { .min = 908000, .max = 1512000 },
        .n = { .min = 2, .max = 16 },
@@ -281,7 +285,7 @@ static const intel_limit_t intel_limits_i8xx_dvo = {
                .p2_slow = 4, .p2_fast = 4 },
 };
 
-static const intel_limit_t intel_limits_i8xx_lvds = {
+static const struct intel_limit intel_limits_i8xx_lvds = {
        .dot = { .min = 25000, .max = 350000 },
        .vco = { .min = 908000, .max = 1512000 },
        .n = { .min = 2, .max = 16 },
@@ -294,7 +298,7 @@ static const intel_limit_t intel_limits_i8xx_lvds = {
                .p2_slow = 14, .p2_fast = 7 },
 };
 
-static const intel_limit_t intel_limits_i9xx_sdvo = {
+static const struct intel_limit intel_limits_i9xx_sdvo = {
        .dot = { .min = 20000, .max = 400000 },
        .vco = { .min = 1400000, .max = 2800000 },
        .n = { .min = 1, .max = 6 },
@@ -307,7 +311,7 @@ static const intel_limit_t intel_limits_i9xx_sdvo = {
                .p2_slow = 10, .p2_fast = 5 },
 };
 
-static const intel_limit_t intel_limits_i9xx_lvds = {
+static const struct intel_limit intel_limits_i9xx_lvds = {
        .dot = { .min = 20000, .max = 400000 },
        .vco = { .min = 1400000, .max = 2800000 },
        .n = { .min = 1, .max = 6 },
@@ -321,7 +325,7 @@ static const intel_limit_t intel_limits_i9xx_lvds = {
 };
 
 
-static const intel_limit_t intel_limits_g4x_sdvo = {
+static const struct intel_limit intel_limits_g4x_sdvo = {
        .dot = { .min = 25000, .max = 270000 },
        .vco = { .min = 1750000, .max = 3500000},
        .n = { .min = 1, .max = 4 },
@@ -336,7 +340,7 @@ static const intel_limit_t intel_limits_g4x_sdvo = {
        },
 };
 
-static const intel_limit_t intel_limits_g4x_hdmi = {
+static const struct intel_limit intel_limits_g4x_hdmi = {
        .dot = { .min = 22000, .max = 400000 },
        .vco = { .min = 1750000, .max = 3500000},
        .n = { .min = 1, .max = 4 },
@@ -349,7 +353,7 @@ static const intel_limit_t intel_limits_g4x_hdmi = {
                .p2_slow = 10, .p2_fast = 5 },
 };
 
-static const intel_limit_t intel_limits_g4x_single_channel_lvds = {
+static const struct intel_limit intel_limits_g4x_single_channel_lvds = {
        .dot = { .min = 20000, .max = 115000 },
        .vco = { .min = 1750000, .max = 3500000 },
        .n = { .min = 1, .max = 3 },
@@ -363,7 +367,7 @@ static const intel_limit_t intel_limits_g4x_single_channel_lvds = {
        },
 };
 
-static const intel_limit_t intel_limits_g4x_dual_channel_lvds = {
+static const struct intel_limit intel_limits_g4x_dual_channel_lvds = {
        .dot = { .min = 80000, .max = 224000 },
        .vco = { .min = 1750000, .max = 3500000 },
        .n = { .min = 1, .max = 3 },
@@ -377,7 +381,7 @@ static const intel_limit_t intel_limits_g4x_dual_channel_lvds = {
        },
 };
 
-static const intel_limit_t intel_limits_pineview_sdvo = {
+static const struct intel_limit intel_limits_pineview_sdvo = {
        .dot = { .min = 20000, .max = 400000},
        .vco = { .min = 1700000, .max = 3500000 },
        /* Pineview's Ncounter is a ring counter */
@@ -392,7 +396,7 @@ static const intel_limit_t intel_limits_pineview_sdvo = {
                .p2_slow = 10, .p2_fast = 5 },
 };
 
-static const intel_limit_t intel_limits_pineview_lvds = {
+static const struct intel_limit intel_limits_pineview_lvds = {
        .dot = { .min = 20000, .max = 400000 },
        .vco = { .min = 1700000, .max = 3500000 },
        .n = { .min = 3, .max = 6 },
@@ -410,7 +414,7 @@ static const intel_limit_t intel_limits_pineview_lvds = {
  * We calculate clock using (register_value + 2) for N/M1/M2, so here
  * the range value for them is (actual_value - 2).
  */
-static const intel_limit_t intel_limits_ironlake_dac = {
+static const struct intel_limit intel_limits_ironlake_dac = {
        .dot = { .min = 25000, .max = 350000 },
        .vco = { .min = 1760000, .max = 3510000 },
        .n = { .min = 1, .max = 5 },
@@ -423,7 +427,7 @@ static const intel_limit_t intel_limits_ironlake_dac = {
                .p2_slow = 10, .p2_fast = 5 },
 };
 
-static const intel_limit_t intel_limits_ironlake_single_lvds = {
+static const struct intel_limit intel_limits_ironlake_single_lvds = {
        .dot = { .min = 25000, .max = 350000 },
        .vco = { .min = 1760000, .max = 3510000 },
        .n = { .min = 1, .max = 3 },
@@ -436,7 +440,7 @@ static const intel_limit_t intel_limits_ironlake_single_lvds = {
                .p2_slow = 14, .p2_fast = 14 },
 };
 
-static const intel_limit_t intel_limits_ironlake_dual_lvds = {
+static const struct intel_limit intel_limits_ironlake_dual_lvds = {
        .dot = { .min = 25000, .max = 350000 },
        .vco = { .min = 1760000, .max = 3510000 },
        .n = { .min = 1, .max = 3 },
@@ -450,7 +454,7 @@ static const intel_limit_t intel_limits_ironlake_dual_lvds = {
 };
 
 /* LVDS 100mhz refclk limits. */
-static const intel_limit_t intel_limits_ironlake_single_lvds_100m = {
+static const struct intel_limit intel_limits_ironlake_single_lvds_100m = {
        .dot = { .min = 25000, .max = 350000 },
        .vco = { .min = 1760000, .max = 3510000 },
        .n = { .min = 1, .max = 2 },
@@ -463,7 +467,7 @@ static const intel_limit_t intel_limits_ironlake_single_lvds_100m = {
                .p2_slow = 14, .p2_fast = 14 },
 };
 
-static const intel_limit_t intel_limits_ironlake_dual_lvds_100m = {
+static const struct intel_limit intel_limits_ironlake_dual_lvds_100m = {
        .dot = { .min = 25000, .max = 350000 },
        .vco = { .min = 1760000, .max = 3510000 },
        .n = { .min = 1, .max = 3 },
@@ -476,7 +480,7 @@ static const intel_limit_t intel_limits_ironlake_dual_lvds_100m = {
                .p2_slow = 7, .p2_fast = 7 },
 };
 
-static const intel_limit_t intel_limits_vlv = {
+static const struct intel_limit intel_limits_vlv = {
         /*
          * These are the data rate limits (measured in fast clocks)
          * since those are the strictest limits we have. The fast
@@ -492,7 +496,7 @@ static const intel_limit_t intel_limits_vlv = {
        .p2 = { .p2_slow = 2, .p2_fast = 20 }, /* slow=min, fast=max */
 };
 
-static const intel_limit_t intel_limits_chv = {
+static const struct intel_limit intel_limits_chv = {
        /*
         * These are the data rate limits (measured in fast clocks)
         * since those are the strictest limits we have.  The fast
@@ -508,7 +512,7 @@ static const intel_limit_t intel_limits_chv = {
        .p2 = { .p2_slow = 1, .p2_fast = 14 },
 };
 
-static const intel_limit_t intel_limits_bxt = {
+static const struct intel_limit intel_limits_bxt = {
        /* FIXME: find real dot limits */
        .dot = { .min = 0, .max = INT_MAX },
        .vco = { .min = 4800000, .max = 6700000 },
@@ -581,7 +585,7 @@ static bool intel_pipe_will_have_type(const struct intel_crtc_state *crtc_state,
  * divided-down version of it.
  */
 /* m1 is reserved as 0 in Pineview, n is a ring counter */
-static int pnv_calc_dpll_params(int refclk, intel_clock_t *clock)
+static int pnv_calc_dpll_params(int refclk, struct dpll *clock)
 {
        clock->m = clock->m2 + 2;
        clock->p = clock->p1 * clock->p2;
@@ -598,7 +602,7 @@ static uint32_t i9xx_dpll_compute_m(struct dpll *dpll)
        return 5 * (dpll->m1 + 2) + (dpll->m2 + 2);
 }
 
-static int i9xx_calc_dpll_params(int refclk, intel_clock_t *clock)
+static int i9xx_calc_dpll_params(int refclk, struct dpll *clock)
 {
        clock->m = i9xx_dpll_compute_m(clock);
        clock->p = clock->p1 * clock->p2;
@@ -610,7 +614,7 @@ static int i9xx_calc_dpll_params(int refclk, intel_clock_t *clock)
        return clock->dot;
 }
 
-static int vlv_calc_dpll_params(int refclk, intel_clock_t *clock)
+static int vlv_calc_dpll_params(int refclk, struct dpll *clock)
 {
        clock->m = clock->m1 * clock->m2;
        clock->p = clock->p1 * clock->p2;
@@ -622,7 +626,7 @@ static int vlv_calc_dpll_params(int refclk, intel_clock_t *clock)
        return clock->dot / 5;
 }
 
-int chv_calc_dpll_params(int refclk, intel_clock_t *clock)
+int chv_calc_dpll_params(int refclk, struct dpll *clock)
 {
        clock->m = clock->m1 * clock->m2;
        clock->p = clock->p1 * clock->p2;
@@ -642,8 +646,8 @@ int chv_calc_dpll_params(int refclk, intel_clock_t *clock)
  */
 
 static bool intel_PLL_is_valid(struct drm_device *dev,
-                              const intel_limit_t *limit,
-                              const intel_clock_t *clock)
+                              const struct intel_limit *limit,
+                              const struct dpll *clock)
 {
        if (clock->n   < limit->n.min   || limit->n.max   < clock->n)
                INTELPllInvalid("n out of range\n");
@@ -678,7 +682,7 @@ static bool intel_PLL_is_valid(struct drm_device *dev,
 }
 
 static int
-i9xx_select_p2_div(const intel_limit_t *limit,
+i9xx_select_p2_div(const struct intel_limit *limit,
                   const struct intel_crtc_state *crtc_state,
                   int target)
 {
@@ -713,13 +717,13 @@ i9xx_select_p2_div(const intel_limit_t *limit,
  * divider from @match_clock used for LVDS downclocking.
  */
 static bool
-i9xx_find_best_dpll(const intel_limit_t *limit,
+i9xx_find_best_dpll(const struct intel_limit *limit,
                    struct intel_crtc_state *crtc_state,
-                   int target, int refclk, intel_clock_t *match_clock,
-                   intel_clock_t *best_clock)
+                   int target, int refclk, struct dpll *match_clock,
+                   struct dpll *best_clock)
 {
        struct drm_device *dev = crtc_state->base.crtc->dev;
-       intel_clock_t clock;
+       struct dpll clock;
        int err = target;
 
        memset(best_clock, 0, sizeof(*best_clock));
@@ -770,13 +774,13 @@ i9xx_find_best_dpll(const intel_limit_t *limit,
  * divider from @match_clock used for LVDS downclocking.
  */
 static bool
-pnv_find_best_dpll(const intel_limit_t *limit,
+pnv_find_best_dpll(const struct intel_limit *limit,
                   struct intel_crtc_state *crtc_state,
-                  int target, int refclk, intel_clock_t *match_clock,
-                  intel_clock_t *best_clock)
+                  int target, int refclk, struct dpll *match_clock,
+                  struct dpll *best_clock)
 {
        struct drm_device *dev = crtc_state->base.crtc->dev;
-       intel_clock_t clock;
+       struct dpll clock;
        int err = target;
 
        memset(best_clock, 0, sizeof(*best_clock));
@@ -825,13 +829,13 @@ pnv_find_best_dpll(const intel_limit_t *limit,
  * divider from @match_clock used for LVDS downclocking.
  */
 static bool
-g4x_find_best_dpll(const intel_limit_t *limit,
+g4x_find_best_dpll(const struct intel_limit *limit,
                   struct intel_crtc_state *crtc_state,
-                  int target, int refclk, intel_clock_t *match_clock,
-                  intel_clock_t *best_clock)
+                  int target, int refclk, struct dpll *match_clock,
+                  struct dpll *best_clock)
 {
        struct drm_device *dev = crtc_state->base.crtc->dev;
-       intel_clock_t clock;
+       struct dpll clock;
        int max_n;
        bool found = false;
        /* approximately equals target * 0.00585 */
@@ -877,8 +881,8 @@ g4x_find_best_dpll(const intel_limit_t *limit,
  * best configuration and error found so far. Return the calculated error.
  */
 static bool vlv_PLL_is_optimal(struct drm_device *dev, int target_freq,
-                              const intel_clock_t *calculated_clock,
-                              const intel_clock_t *best_clock,
+                              const struct dpll *calculated_clock,
+                              const struct dpll *best_clock,
                               unsigned int best_error_ppm,
                               unsigned int *error_ppm)
 {
@@ -918,14 +922,14 @@ static bool vlv_PLL_is_optimal(struct drm_device *dev, int target_freq,
  * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2.
  */
 static bool
-vlv_find_best_dpll(const intel_limit_t *limit,
+vlv_find_best_dpll(const struct intel_limit *limit,
                   struct intel_crtc_state *crtc_state,
-                  int target, int refclk, intel_clock_t *match_clock,
-                  intel_clock_t *best_clock)
+                  int target, int refclk, struct dpll *match_clock,
+                  struct dpll *best_clock)
 {
        struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
        struct drm_device *dev = crtc->base.dev;
-       intel_clock_t clock;
+       struct dpll clock;
        unsigned int bestppm = 1000000;
        /* min update 19.2 MHz */
        int max_n = min(limit->n.max, refclk / 19200);
@@ -977,15 +981,15 @@ vlv_find_best_dpll(const intel_limit_t *limit,
  * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2.
  */
 static bool
-chv_find_best_dpll(const intel_limit_t *limit,
+chv_find_best_dpll(const struct intel_limit *limit,
                   struct intel_crtc_state *crtc_state,
-                  int target, int refclk, intel_clock_t *match_clock,
-                  intel_clock_t *best_clock)
+                  int target, int refclk, struct dpll *match_clock,
+                  struct dpll *best_clock)
 {
        struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
        struct drm_device *dev = crtc->base.dev;
        unsigned int best_error_ppm;
-       intel_clock_t clock;
+       struct dpll clock;
        uint64_t m2;
        int found = false;
 
@@ -1035,10 +1039,10 @@ chv_find_best_dpll(const intel_limit_t *limit,
 }
 
 bool bxt_find_best_dpll(struct intel_crtc_state *crtc_state, int target_clock,
-                       intel_clock_t *best_clock)
+                       struct dpll *best_clock)
 {
        int refclk = 100000;
-       const intel_limit_t *limit = &intel_limits_bxt;
+       const struct intel_limit *limit = &intel_limits_bxt;
 
        return chv_find_best_dpll(limit, crtc_state,
                                  target_clock, refclk, NULL, best_clock);
@@ -1076,7 +1080,7 @@ enum transcoder intel_pipe_to_cpu_transcoder(struct drm_i915_private *dev_priv,
 
 static bool pipe_dsl_stopped(struct drm_device *dev, enum pipe pipe)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        i915_reg_t reg = PIPEDSL(pipe);
        u32 line1, line2;
        u32 line_mask;
@@ -1112,7 +1116,7 @@ static bool pipe_dsl_stopped(struct drm_device *dev, enum pipe pipe)
 static void intel_wait_for_pipe_off(struct intel_crtc *crtc)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        enum transcoder cpu_transcoder = crtc->config->cpu_transcoder;
        enum pipe pipe = crtc->pipe;
 
@@ -1120,8 +1124,9 @@ static void intel_wait_for_pipe_off(struct intel_crtc *crtc)
                i915_reg_t reg = PIPECONF(cpu_transcoder);
 
                /* Wait for the Pipe State to go off */
-               if (wait_for((I915_READ(reg) & I965_PIPECONF_ACTIVE) == 0,
-                            100))
+               if (intel_wait_for_register(dev_priv,
+                                           reg, I965_PIPECONF_ACTIVE, 0,
+                                           100))
                        WARN(1, "pipe_off wait timed out\n");
        } else {
                /* Wait for the display line to settle */
@@ -1203,7 +1208,7 @@ static void assert_fdi_tx_pll_enabled(struct drm_i915_private *dev_priv,
        u32 val;
 
        /* ILK FDI PLL is always enabled */
-       if (INTEL_INFO(dev_priv)->gen == 5)
+       if (IS_GEN5(dev_priv))
                return;
 
        /* On Haswell, DDI ports are responsible for the FDI PLL setup */
@@ -1540,7 +1545,11 @@ static void _vlv_enable_pll(struct intel_crtc *crtc,
        POSTING_READ(DPLL(pipe));
        udelay(150);
 
-       if (wait_for(((I915_READ(DPLL(pipe)) & DPLL_LOCK_VLV) == DPLL_LOCK_VLV), 1))
+       if (intel_wait_for_register(dev_priv,
+                                   DPLL(pipe),
+                                   DPLL_LOCK_VLV,
+                                   DPLL_LOCK_VLV,
+                                   1))
                DRM_ERROR("DPLL %d failed to lock\n", pipe);
 }
 
@@ -1589,7 +1598,9 @@ static void _chv_enable_pll(struct intel_crtc *crtc,
        I915_WRITE(DPLL(pipe), pipe_config->dpll_hw_state.dpll);
 
        /* Check PLL is locked */
-       if (wait_for(((I915_READ(DPLL(pipe)) & DPLL_LOCK_VLV) == DPLL_LOCK_VLV), 1))
+       if (intel_wait_for_register(dev_priv,
+                                   DPLL(pipe), DPLL_LOCK_VLV, DPLL_LOCK_VLV,
+                                   1))
                DRM_ERROR("PLL %d failed to lock\n", pipe);
 }
 
@@ -1645,7 +1656,7 @@ static int intel_num_dvo_pipes(struct drm_device *dev)
 static void i9xx_enable_pll(struct intel_crtc *crtc)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        i915_reg_t reg = DPLL(crtc->pipe);
        u32 dpll = crtc->config->dpll_hw_state.dpll;
 
@@ -1717,7 +1728,7 @@ static void i9xx_enable_pll(struct intel_crtc *crtc)
 static void i9xx_disable_pll(struct intel_crtc *crtc)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        enum pipe pipe = crtc->pipe;
 
        /* Disable DVO 2x clock on both PLLs if necessary */
@@ -1809,7 +1820,9 @@ void vlv_wait_port_ready(struct drm_i915_private *dev_priv,
                BUG();
        }
 
-       if (wait_for((I915_READ(dpll_reg) & port_mask) == expected_mask, 1000))
+       if (intel_wait_for_register(dev_priv,
+                                   dpll_reg, port_mask, expected_mask,
+                                   1000))
                WARN(1, "timed out waiting for port %c ready: got 0x%x, expected 0x%x\n",
                     port_name(dport->port), I915_READ(dpll_reg) & port_mask, expected_mask);
 }
@@ -1867,7 +1880,9 @@ static void ironlake_enable_pch_transcoder(struct drm_i915_private *dev_priv,
                val |= TRANS_PROGRESSIVE;
 
        I915_WRITE(reg, val | TRANS_ENABLE);
-       if (wait_for(I915_READ(reg) & TRANS_STATE_ENABLE, 100))
+       if (intel_wait_for_register(dev_priv,
+                                   reg, TRANS_STATE_ENABLE, TRANS_STATE_ENABLE,
+                                   100))
                DRM_ERROR("failed to enable transcoder %c\n", pipe_name(pipe));
 }
 
@@ -1895,7 +1910,11 @@ static void lpt_enable_pch_transcoder(struct drm_i915_private *dev_priv,
                val |= TRANS_PROGRESSIVE;
 
        I915_WRITE(LPT_TRANSCONF, val);
-       if (wait_for(I915_READ(LPT_TRANSCONF) & TRANS_STATE_ENABLE, 100))
+       if (intel_wait_for_register(dev_priv,
+                                   LPT_TRANSCONF,
+                                   TRANS_STATE_ENABLE,
+                                   TRANS_STATE_ENABLE,
+                                   100))
                DRM_ERROR("Failed to enable PCH transcoder\n");
 }
 
@@ -1918,7 +1937,9 @@ static void ironlake_disable_pch_transcoder(struct drm_i915_private *dev_priv,
        val &= ~TRANS_ENABLE;
        I915_WRITE(reg, val);
        /* wait for PCH transcoder off, transcoder state */
-       if (wait_for((I915_READ(reg) & TRANS_STATE_ENABLE) == 0, 50))
+       if (intel_wait_for_register(dev_priv,
+                                   reg, TRANS_STATE_ENABLE, 0,
+                                   50))
                DRM_ERROR("failed to disable transcoder %c\n", pipe_name(pipe));
 
        if (HAS_PCH_CPT(dev)) {
@@ -1938,7 +1959,9 @@ static void lpt_disable_pch_transcoder(struct drm_i915_private *dev_priv)
        val &= ~TRANS_ENABLE;
        I915_WRITE(LPT_TRANSCONF, val);
        /* wait for PCH transcoder off, transcoder state */
-       if (wait_for((I915_READ(LPT_TRANSCONF) & TRANS_STATE_ENABLE) == 0, 50))
+       if (intel_wait_for_register(dev_priv,
+                                   LPT_TRANSCONF, TRANS_STATE_ENABLE, 0,
+                                   50))
                DRM_ERROR("Failed to disable PCH transcoder\n");
 
        /* Workaround: clear timing override bit. */
@@ -1957,7 +1980,7 @@ static void lpt_disable_pch_transcoder(struct drm_i915_private *dev_priv)
 static void intel_enable_pipe(struct intel_crtc *crtc)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        enum pipe pipe = crtc->pipe;
        enum transcoder cpu_transcoder = crtc->config->cpu_transcoder;
        enum pipe pch_transcoder;
@@ -2030,7 +2053,7 @@ static void intel_enable_pipe(struct intel_crtc *crtc)
  */
 static void intel_disable_pipe(struct intel_crtc *crtc)
 {
-       struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
        enum transcoder cpu_transcoder = crtc->config->cpu_transcoder;
        enum pipe pipe = crtc->pipe;
        i915_reg_t reg;
@@ -2241,7 +2264,7 @@ intel_pin_and_fence_fb_obj(struct drm_framebuffer *fb,
                           unsigned int rotation)
 {
        struct drm_device *dev = fb->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct drm_i915_gem_object *obj = intel_fb_obj(fb);
        struct i915_ggtt_view view;
        u32 alignment;
@@ -2309,7 +2332,7 @@ err_pm:
        return ret;
 }
 
-static void intel_unpin_fb_obj(struct drm_framebuffer *fb, unsigned int rotation)
+void intel_unpin_fb_obj(struct drm_framebuffer *fb, unsigned int rotation)
 {
        struct drm_i915_gem_object *obj = intel_fb_obj(fb);
        struct i915_ggtt_view view;
@@ -2543,7 +2566,7 @@ intel_find_initial_plane_obj(struct intel_crtc *intel_crtc,
                             struct intel_initial_plane_config *plane_config)
 {
        struct drm_device *dev = intel_crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct drm_crtc *c;
        struct intel_crtc *i;
        struct drm_i915_gem_object *obj;
@@ -2639,7 +2662,7 @@ static void i9xx_update_primary_plane(struct drm_plane *primary,
                                      const struct intel_plane_state *plane_state)
 {
        struct drm_device *dev = primary->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->base.crtc);
        struct drm_framebuffer *fb = plane_state->base.fb;
        struct drm_i915_gem_object *obj = intel_fb_obj(fb);
@@ -2752,7 +2775,7 @@ static void i9xx_disable_primary_plane(struct drm_plane *primary,
                                       struct drm_crtc *crtc)
 {
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        int plane = intel_crtc->plane;
 
@@ -2769,7 +2792,7 @@ static void ironlake_update_primary_plane(struct drm_plane *primary,
                                          const struct intel_plane_state *plane_state)
 {
        struct drm_device *dev = primary->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->base.crtc);
        struct drm_framebuffer *fb = plane_state->base.fb;
        struct drm_i915_gem_object *obj = intel_fb_obj(fb);
@@ -2897,7 +2920,7 @@ u32 intel_plane_obj_offset(struct intel_plane *intel_plane,
 static void skl_detach_scaler(struct intel_crtc *intel_crtc, int id)
 {
        struct drm_device *dev = intel_crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
 
        I915_WRITE(SKL_PS_CTRL(intel_crtc->pipe, id), 0);
        I915_WRITE(SKL_PS_WIN_POS(intel_crtc->pipe, id), 0);
@@ -3007,7 +3030,7 @@ static void skylake_update_primary_plane(struct drm_plane *plane,
                                         const struct intel_plane_state *plane_state)
 {
        struct drm_device *dev = plane->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->base.crtc);
        struct drm_framebuffer *fb = plane_state->base.fb;
        struct drm_i915_gem_object *obj = intel_fb_obj(fb);
@@ -3091,7 +3114,7 @@ static void skylake_disable_primary_plane(struct drm_plane *primary,
                                          struct drm_crtc *crtc)
 {
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        int pipe = to_intel_crtc(crtc)->pipe;
 
        I915_WRITE(PLANE_CTL(pipe, 0), 0);
@@ -3110,17 +3133,12 @@ intel_pipe_set_base_atomic(struct drm_crtc *crtc, struct drm_framebuffer *fb,
        return -ENODEV;
 }
 
-static void intel_complete_page_flips(struct drm_device *dev)
+static void intel_complete_page_flips(struct drm_i915_private *dev_priv)
 {
-       struct drm_crtc *crtc;
-
-       for_each_crtc(dev, crtc) {
-               struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-               enum plane plane = intel_crtc->plane;
+       struct intel_crtc *crtc;
 
-               intel_prepare_page_flip(dev, plane);
-               intel_finish_page_flip_plane(dev, plane);
-       }
+       for_each_intel_crtc(dev_priv->dev, crtc)
+               intel_finish_page_flip_cs(dev_priv, crtc->pipe);
 }
 
 static void intel_update_primary_planes(struct drm_device *dev)
@@ -3143,41 +3161,39 @@ static void intel_update_primary_planes(struct drm_device *dev)
        }
 }
 
-void intel_prepare_reset(struct drm_device *dev)
+void intel_prepare_reset(struct drm_i915_private *dev_priv)
 {
        /* no reset support for gen2 */
-       if (IS_GEN2(dev))
+       if (IS_GEN2(dev_priv))
                return;
 
        /* reset doesn't touch the display */
-       if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev))
+       if (INTEL_GEN(dev_priv) >= 5 || IS_G4X(dev_priv))
                return;
 
-       drm_modeset_lock_all(dev);
+       drm_modeset_lock_all(dev_priv->dev);
        /*
         * Disabling the crtcs gracefully seems nicer. Also the
         * g33 docs say we should at least disable all the planes.
         */
-       intel_display_suspend(dev);
+       intel_display_suspend(dev_priv->dev);
 }
 
-void intel_finish_reset(struct drm_device *dev)
+void intel_finish_reset(struct drm_i915_private *dev_priv)
 {
-       struct drm_i915_private *dev_priv = to_i915(dev);
-
        /*
         * Flips in the rings will be nuked by the reset,
         * so complete all pending flips so that user space
         * will get its events and not get stuck.
         */
-       intel_complete_page_flips(dev);
+       intel_complete_page_flips(dev_priv);
 
        /* no reset support for gen2 */
-       if (IS_GEN2(dev))
+       if (IS_GEN2(dev_priv))
                return;
 
        /* reset doesn't touch the display */
-       if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev)) {
+       if (INTEL_GEN(dev_priv) >= 5 || IS_G4X(dev_priv)) {
                /*
                 * Flips in the rings have been nuked by the reset,
                 * so update the base address of all primary
@@ -3187,7 +3203,7 @@ void intel_finish_reset(struct drm_device *dev)
                 * FIXME: Atomic will make this obsolete since we won't schedule
                 * CS-based flips (which might get lost in gpu resets) any more.
                 */
-               intel_update_primary_planes(dev);
+               intel_update_primary_planes(dev_priv->dev);
                return;
        }
 
@@ -3198,18 +3214,18 @@ void intel_finish_reset(struct drm_device *dev)
        intel_runtime_pm_disable_interrupts(dev_priv);
        intel_runtime_pm_enable_interrupts(dev_priv);
 
-       intel_modeset_init_hw(dev);
+       intel_modeset_init_hw(dev_priv->dev);
 
        spin_lock_irq(&dev_priv->irq_lock);
        if (dev_priv->display.hpd_irq_setup)
-               dev_priv->display.hpd_irq_setup(dev);
+               dev_priv->display.hpd_irq_setup(dev_priv);
        spin_unlock_irq(&dev_priv->irq_lock);
 
-       intel_display_resume(dev);
+       intel_display_resume(dev_priv->dev);
 
        intel_hpd_init(dev_priv);
 
-       drm_modeset_unlock_all(dev);
+       drm_modeset_unlock_all(dev_priv->dev);
 }
 
 static bool intel_crtc_has_pending_flip(struct drm_crtc *crtc)
@@ -3224,7 +3240,7 @@ static bool intel_crtc_has_pending_flip(struct drm_crtc *crtc)
                return false;
 
        spin_lock_irq(&dev->event_lock);
-       pending = to_intel_crtc(crtc)->unpin_work != NULL;
+       pending = to_intel_crtc(crtc)->flip_work != NULL;
        spin_unlock_irq(&dev->event_lock);
 
        return pending;
@@ -3234,7 +3250,7 @@ static void intel_update_pipe_config(struct intel_crtc *crtc,
                                     struct intel_crtc_state *old_crtc_state)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc_state *pipe_config =
                to_intel_crtc_state(crtc->base.state);
 
@@ -3275,7 +3291,7 @@ static void intel_update_pipe_config(struct intel_crtc *crtc,
 static void intel_fdi_normal_train(struct drm_crtc *crtc)
 {
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        int pipe = intel_crtc->pipe;
        i915_reg_t reg;
@@ -3318,7 +3334,7 @@ static void intel_fdi_normal_train(struct drm_crtc *crtc)
 static void ironlake_fdi_link_train(struct drm_crtc *crtc)
 {
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        int pipe = intel_crtc->pipe;
        i915_reg_t reg;
@@ -3419,7 +3435,7 @@ static const int snb_b_fdi_train_param[] = {
 static void gen6_fdi_link_train(struct drm_crtc *crtc)
 {
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        int pipe = intel_crtc->pipe;
        i915_reg_t reg;
@@ -3552,7 +3568,7 @@ static void gen6_fdi_link_train(struct drm_crtc *crtc)
 static void ivb_manual_fdi_link_train(struct drm_crtc *crtc)
 {
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        int pipe = intel_crtc->pipe;
        i915_reg_t reg;
@@ -3671,7 +3687,7 @@ train_done:
 static void ironlake_fdi_pll_enable(struct intel_crtc *intel_crtc)
 {
        struct drm_device *dev = intel_crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        int pipe = intel_crtc->pipe;
        i915_reg_t reg;
        u32 temp;
@@ -3708,7 +3724,7 @@ static void ironlake_fdi_pll_enable(struct intel_crtc *intel_crtc)
 static void ironlake_fdi_pll_disable(struct intel_crtc *intel_crtc)
 {
        struct drm_device *dev = intel_crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        int pipe = intel_crtc->pipe;
        i915_reg_t reg;
        u32 temp;
@@ -3738,7 +3754,7 @@ static void ironlake_fdi_pll_disable(struct intel_crtc *intel_crtc)
 static void ironlake_fdi_disable(struct drm_crtc *crtc)
 {
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        int pipe = intel_crtc->pipe;
        i915_reg_t reg;
@@ -3803,7 +3819,7 @@ bool intel_has_pending_fb_unpin(struct drm_device *dev)
                if (atomic_read(&crtc->unpin_work_count) == 0)
                        continue;
 
-               if (crtc->unpin_work)
+               if (crtc->flip_work)
                        intel_wait_for_vblank(dev, crtc->pipe);
 
                return true;
@@ -3815,11 +3831,9 @@ bool intel_has_pending_fb_unpin(struct drm_device *dev)
 static void page_flip_completed(struct intel_crtc *intel_crtc)
 {
        struct drm_i915_private *dev_priv = to_i915(intel_crtc->base.dev);
-       struct intel_unpin_work *work = intel_crtc->unpin_work;
+       struct intel_flip_work *work = intel_crtc->flip_work;
 
-       /* ensure that the unpin work is consistent wrt ->pending. */
-       smp_rmb();
-       intel_crtc->unpin_work = NULL;
+       intel_crtc->flip_work = NULL;
 
        if (work->event)
                drm_crtc_send_vblank_event(&intel_crtc->base, work->event);
@@ -3827,7 +3841,7 @@ static void page_flip_completed(struct intel_crtc *intel_crtc)
        drm_crtc_vblank_put(&intel_crtc->base);
 
        wake_up_all(&dev_priv->pending_flip_queue);
-       queue_work(dev_priv->wq, &work->work);
+       queue_work(dev_priv->wq, &work->unpin_work);
 
        trace_i915_flip_complete(intel_crtc->plane,
                                 work->pending_flip_obj);
@@ -3836,7 +3850,7 @@ static void page_flip_completed(struct intel_crtc *intel_crtc)
 static int intel_crtc_wait_for_pending_flips(struct drm_crtc *crtc)
 {
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        long ret;
 
        WARN_ON(waitqueue_active(&dev_priv->pending_flip_queue));
@@ -3851,9 +3865,11 @@ static int intel_crtc_wait_for_pending_flips(struct drm_crtc *crtc)
 
        if (ret == 0) {
                struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+               struct intel_flip_work *work;
 
                spin_lock_irq(&dev->event_lock);
-               if (intel_crtc->unpin_work) {
+               work = intel_crtc->flip_work;
+               if (work && !is_mmio_work(work)) {
                        WARN_ONCE(1, "Removing stuck page flip\n");
                        page_flip_completed(intel_crtc);
                }
@@ -3997,7 +4013,7 @@ static void ironlake_pch_transcoder_set_timings(struct intel_crtc *crtc,
                                                enum pipe pch_transcoder)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        enum transcoder cpu_transcoder = crtc->config->cpu_transcoder;
 
        I915_WRITE(PCH_TRANS_HTOTAL(pch_transcoder),
@@ -4019,7 +4035,7 @@ static void ironlake_pch_transcoder_set_timings(struct intel_crtc *crtc,
 
 static void cpt_set_fdi_bc_bifurcation(struct drm_device *dev, bool enable)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        uint32_t temp;
 
        temp = I915_READ(SOUTH_CHICKEN1);
@@ -4088,7 +4104,7 @@ intel_trans_dp_port_sel(struct drm_crtc *crtc)
 static void ironlake_pch_enable(struct drm_crtc *crtc)
 {
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        int pipe = intel_crtc->pipe;
        u32 temp;
@@ -4178,7 +4194,7 @@ static void ironlake_pch_enable(struct drm_crtc *crtc)
 static void lpt_pch_enable(struct drm_crtc *crtc)
 {
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder;
 
@@ -4194,7 +4210,7 @@ static void lpt_pch_enable(struct drm_crtc *crtc)
 
 static void cpt_verify_modeset(struct drm_device *dev, int pipe)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        i915_reg_t dslreg = PIPEDSL(pipe);
        u32 temp;
 
@@ -4281,8 +4297,9 @@ int skl_update_scaler_crtc(struct intel_crtc_state *state)
        struct intel_crtc *intel_crtc = to_intel_crtc(state->base.crtc);
        const struct drm_display_mode *adjusted_mode = &state->base.adjusted_mode;
 
-       DRM_DEBUG_KMS("Updating scaler for [CRTC:%i] scaler_user index %u.%u\n",
-                     intel_crtc->base.base.id, intel_crtc->pipe, SKL_CRTC_INDEX);
+       DRM_DEBUG_KMS("Updating scaler for [CRTC:%d:%s] scaler_user index %u.%u\n",
+                     intel_crtc->base.base.id, intel_crtc->base.name,
+                     intel_crtc->pipe, SKL_CRTC_INDEX);
 
        return skl_update_scaler(state, !state->base.active, SKL_CRTC_INDEX,
                &state->scaler_state.scaler_id, BIT(DRM_ROTATE_0),
@@ -4312,9 +4329,9 @@ static int skl_update_scaler_plane(struct intel_crtc_state *crtc_state,
 
        bool force_detach = !fb || !plane_state->visible;
 
-       DRM_DEBUG_KMS("Updating scaler for [PLANE:%d] scaler_user index %u.%u\n",
-                     intel_plane->base.base.id, intel_crtc->pipe,
-                     drm_plane_index(&intel_plane->base));
+       DRM_DEBUG_KMS("Updating scaler for [PLANE:%d:%s] scaler_user index %u.%u\n",
+                     intel_plane->base.base.id, intel_plane->base.name,
+                     intel_crtc->pipe, drm_plane_index(&intel_plane->base));
 
        ret = skl_update_scaler(crtc_state, force_detach,
                                drm_plane_index(&intel_plane->base),
@@ -4330,8 +4347,9 @@ static int skl_update_scaler_plane(struct intel_crtc_state *crtc_state,
 
        /* check colorkey */
        if (plane_state->ckey.flags != I915_SET_COLORKEY_NONE) {
-               DRM_DEBUG_KMS("[PLANE:%d] scaling with color key not allowed",
-                             intel_plane->base.base.id);
+               DRM_DEBUG_KMS("[PLANE:%d:%s] scaling with color key not allowed",
+                             intel_plane->base.base.id,
+                             intel_plane->base.name);
                return -EINVAL;
        }
 
@@ -4350,8 +4368,9 @@ static int skl_update_scaler_plane(struct intel_crtc_state *crtc_state,
        case DRM_FORMAT_VYUY:
                break;
        default:
-               DRM_DEBUG_KMS("[PLANE:%d] FB:%d unsupported scaling format 0x%x\n",
-                       intel_plane->base.base.id, fb->base.id, fb->pixel_format);
+               DRM_DEBUG_KMS("[PLANE:%d:%s] FB:%d unsupported scaling format 0x%x\n",
+                             intel_plane->base.base.id, intel_plane->base.name,
+                             fb->base.id, fb->pixel_format);
                return -EINVAL;
        }
 
@@ -4369,7 +4388,7 @@ static void skylake_scaler_disable(struct intel_crtc *crtc)
 static void skylake_pfit_enable(struct intel_crtc *crtc)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        int pipe = crtc->pipe;
        struct intel_crtc_scaler_state *scaler_state =
                &crtc->config->scaler_state;
@@ -4397,7 +4416,7 @@ static void skylake_pfit_enable(struct intel_crtc *crtc)
 static void ironlake_pfit_enable(struct intel_crtc *crtc)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        int pipe = crtc->pipe;
 
        if (crtc->config->pch_pfit.enabled) {
@@ -4418,7 +4437,7 @@ static void ironlake_pfit_enable(struct intel_crtc *crtc)
 void hsw_enable_ips(struct intel_crtc *crtc)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
 
        if (!crtc->config->ips_enabled)
                return;
@@ -4446,7 +4465,9 @@ void hsw_enable_ips(struct intel_crtc *crtc)
                 * and don't wait for vblanks until the end of crtc_enable, then
                 * the HW state readout code will complain that the expected
                 * IPS_CTL value is not the one we read. */
-               if (wait_for(I915_READ_NOTRACE(IPS_CTL) & IPS_ENABLE, 50))
+               if (intel_wait_for_register(dev_priv,
+                                           IPS_CTL, IPS_ENABLE, IPS_ENABLE,
+                                           50))
                        DRM_ERROR("Timed out waiting for IPS enable\n");
        }
 }
@@ -4454,7 +4475,7 @@ void hsw_enable_ips(struct intel_crtc *crtc)
 void hsw_disable_ips(struct intel_crtc *crtc)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
 
        if (!crtc->config->ips_enabled)
                return;
@@ -4465,7 +4486,9 @@ void hsw_disable_ips(struct intel_crtc *crtc)
                WARN_ON(sandybridge_pcode_write(dev_priv, DISPLAY_IPS_CONTROL, 0));
                mutex_unlock(&dev_priv->rps.hw_lock);
                /* wait for pcode to finish disabling IPS, which may take up to 42ms */
-               if (wait_for((I915_READ(IPS_CTL) & IPS_ENABLE) == 0, 42))
+               if (intel_wait_for_register(dev_priv,
+                                           IPS_CTL, IPS_ENABLE, 0,
+                                           42))
                        DRM_ERROR("Timed out waiting for IPS disable\n");
        } else {
                I915_WRITE(IPS_CTL, 0);
@@ -4480,7 +4503,7 @@ static void intel_crtc_dpms_overlay_disable(struct intel_crtc *intel_crtc)
 {
        if (intel_crtc->overlay) {
                struct drm_device *dev = intel_crtc->base.dev;
-               struct drm_i915_private *dev_priv = dev->dev_private;
+               struct drm_i915_private *dev_priv = to_i915(dev);
 
                mutex_lock(&dev->struct_mutex);
                dev_priv->mm.interruptible = false;
@@ -4508,7 +4531,7 @@ static void
 intel_post_enable_primary(struct drm_crtc *crtc)
 {
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        int pipe = intel_crtc->pipe;
 
@@ -4540,7 +4563,7 @@ static void
 intel_pre_disable_primary(struct drm_crtc *crtc)
 {
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        int pipe = intel_crtc->pipe;
 
@@ -4567,7 +4590,7 @@ static void
 intel_pre_disable_primary_noatomic(struct drm_crtc *crtc)
 {
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        int pipe = intel_crtc->pipe;
 
@@ -4626,7 +4649,7 @@ static void intel_pre_plane_update(struct intel_crtc_state *old_crtc_state)
 {
        struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->base.crtc);
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc_state *pipe_config =
                to_intel_crtc_state(crtc->base.state);
        struct drm_atomic_state *old_state = old_crtc_state->base.state;
@@ -4641,14 +4664,14 @@ static void intel_pre_plane_update(struct intel_crtc_state *old_crtc_state)
                struct intel_plane_state *old_primary_state =
                        to_intel_plane_state(old_pri_state);
 
-               intel_fbc_pre_update(crtc);
+               intel_fbc_pre_update(crtc, pipe_config, primary_state);
 
                if (old_primary_state->visible &&
                    (modeset || !primary_state->visible))
                        intel_pre_disable_primary(&crtc->base);
        }
 
-       if (pipe_config->disable_cxsr) {
+       if (pipe_config->disable_cxsr && HAS_GMCH_DISPLAY(dev)) {
                crtc->wm.cxsr_allowed = false;
 
                /*
@@ -4729,7 +4752,7 @@ static void intel_crtc_disable_planes(struct drm_crtc *crtc, unsigned plane_mask
 static void ironlake_crtc_enable(struct drm_crtc *crtc)
 {
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        struct intel_encoder *encoder;
        int pipe = intel_crtc->pipe;
@@ -4826,7 +4849,7 @@ static bool hsw_crtc_supports_ips(struct intel_crtc *crtc)
 static void haswell_crtc_enable(struct drm_crtc *crtc)
 {
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        struct intel_encoder *encoder;
        int pipe = intel_crtc->pipe, hsw_workaround_pipe;
@@ -4841,6 +4864,10 @@ static void haswell_crtc_enable(struct drm_crtc *crtc)
                intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A,
                                                      false);
 
+       for_each_encoder_on_crtc(dev, crtc, encoder)
+               if (encoder->pre_pll_enable)
+                       encoder->pre_pll_enable(encoder);
+
        if (intel_crtc->config->shared_dpll)
                intel_enable_shared_dpll(intel_crtc);
 
@@ -4946,7 +4973,7 @@ static void haswell_crtc_enable(struct drm_crtc *crtc)
 static void ironlake_pfit_disable(struct intel_crtc *crtc, bool force)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        int pipe = crtc->pipe;
 
        /* To avoid upsetting the power well on haswell only disable the pfit if
@@ -4961,7 +4988,7 @@ static void ironlake_pfit_disable(struct intel_crtc *crtc, bool force)
 static void ironlake_crtc_disable(struct drm_crtc *crtc)
 {
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        struct intel_encoder *encoder;
        int pipe = intel_crtc->pipe;
@@ -5024,7 +5051,7 @@ static void ironlake_crtc_disable(struct drm_crtc *crtc)
 static void haswell_crtc_disable(struct drm_crtc *crtc)
 {
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        struct intel_encoder *encoder;
        enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder;
@@ -5076,7 +5103,7 @@ static void haswell_crtc_disable(struct drm_crtc *crtc)
 static void i9xx_pfit_enable(struct intel_crtc *crtc)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc_state *pipe_config = crtc->config;
 
        if (!pipe_config->gmch_pfit.control)
@@ -5228,7 +5255,7 @@ static unsigned long
 modeset_get_crtc_power_domains(struct drm_crtc *crtc,
                               struct intel_crtc_state *crtc_state)
 {
-       struct drm_i915_private *dev_priv = crtc->dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(crtc->dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        enum intel_display_power_domain domain;
        unsigned long domains, new_domains, old_domains;
@@ -5269,21 +5296,34 @@ static int intel_compute_max_dotclk(struct drm_i915_private *dev_priv)
                return max_cdclk_freq*90/100;
 }
 
+static int skl_calc_cdclk(int max_pixclk, int vco);
+
 static void intel_update_max_cdclk(struct drm_device *dev)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
 
        if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) {
                u32 limit = I915_READ(SKL_DFSM) & SKL_DFSM_CDCLK_LIMIT_MASK;
+               int max_cdclk, vco;
+
+               vco = dev_priv->skl_preferred_vco_freq;
+               WARN_ON(vco != 8100000 && vco != 8640000);
 
+               /*
+                * Use the lower (vco 8640) cdclk values as a
+                * first guess. skl_calc_cdclk() will correct it
+                * if the preferred vco is 8100 instead.
+                */
                if (limit == SKL_DFSM_CDCLK_LIMIT_675)
-                       dev_priv->max_cdclk_freq = 675000;
+                       max_cdclk = 617143;
                else if (limit == SKL_DFSM_CDCLK_LIMIT_540)
-                       dev_priv->max_cdclk_freq = 540000;
+                       max_cdclk = 540000;
                else if (limit == SKL_DFSM_CDCLK_LIMIT_450)
-                       dev_priv->max_cdclk_freq = 450000;
+                       max_cdclk = 432000;
                else
-                       dev_priv->max_cdclk_freq = 337500;
+                       max_cdclk = 308571;
+
+               dev_priv->max_cdclk_freq = skl_calc_cdclk(max_cdclk, vco);
        } else if (IS_BROXTON(dev)) {
                dev_priv->max_cdclk_freq = 624000;
        } else if (IS_BROADWELL(dev))  {
@@ -5321,267 +5361,322 @@ static void intel_update_max_cdclk(struct drm_device *dev)
 
 static void intel_update_cdclk(struct drm_device *dev)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
 
        dev_priv->cdclk_freq = dev_priv->display.get_display_clock_speed(dev);
-       DRM_DEBUG_DRIVER("Current CD clock rate: %d kHz\n",
-                        dev_priv->cdclk_freq);
+
+       if (INTEL_GEN(dev_priv) >= 9)
+               DRM_DEBUG_DRIVER("Current CD clock rate: %d kHz, VCO: %d kHz, ref: %d kHz\n",
+                                dev_priv->cdclk_freq, dev_priv->cdclk_pll.vco,
+                                dev_priv->cdclk_pll.ref);
+       else
+               DRM_DEBUG_DRIVER("Current CD clock rate: %d kHz\n",
+                                dev_priv->cdclk_freq);
 
        /*
-        * Program the gmbus_freq based on the cdclk frequency.
-        * BSpec erroneously claims we should aim for 4MHz, but
-        * in fact 1MHz is the correct frequency.
+        * 9:0 CMBUS [sic] CDCLK frequency (cdfreq):
+        * Programmng [sic] note: bit[9:2] should be programmed to the number
+        * of cdclk that generates 4MHz reference clock freq which is used to
+        * generate GMBus clock. This will vary with the cdclk freq.
         */
-       if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) {
-               /*
-                * Program the gmbus_freq based on the cdclk frequency.
-                * BSpec erroneously claims we should aim for 4MHz, but
-                * in fact 1MHz is the correct frequency.
-                */
+       if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
                I915_WRITE(GMBUSFREQ_VLV, DIV_ROUND_UP(dev_priv->cdclk_freq, 1000));
-       }
+}
 
-       if (dev_priv->max_cdclk_freq == 0)
-               intel_update_max_cdclk(dev);
+/* convert from kHz to .1 fixpoint MHz with -1MHz offset */
+static int skl_cdclk_decimal(int cdclk)
+{
+       return DIV_ROUND_CLOSEST(cdclk - 1000, 500);
 }
 
-static void broxton_set_cdclk(struct drm_i915_private *dev_priv, int frequency)
+static int bxt_de_pll_vco(struct drm_i915_private *dev_priv, int cdclk)
 {
-       uint32_t divider;
-       uint32_t ratio;
-       uint32_t current_freq;
-       int ret;
+       int ratio;
 
-       /* frequency = 19.2MHz * ratio / 2 / div{1,1.5,2,4} */
-       switch (frequency) {
+       if (cdclk == dev_priv->cdclk_pll.ref)
+               return 0;
+
+       switch (cdclk) {
+       default:
+               MISSING_CASE(cdclk);
        case 144000:
+       case 288000:
+       case 384000:
+       case 576000:
+               ratio = 60;
+               break;
+       case 624000:
+               ratio = 65;
+               break;
+       }
+
+       return dev_priv->cdclk_pll.ref * ratio;
+}
+
+static void bxt_de_pll_disable(struct drm_i915_private *dev_priv)
+{
+       I915_WRITE(BXT_DE_PLL_ENABLE, 0);
+
+       /* Timeout 200us */
+       if (intel_wait_for_register(dev_priv,
+                                   BXT_DE_PLL_ENABLE, BXT_DE_PLL_LOCK, 0,
+                                   1))
+               DRM_ERROR("timeout waiting for DE PLL unlock\n");
+
+       dev_priv->cdclk_pll.vco = 0;
+}
+
+static void bxt_de_pll_enable(struct drm_i915_private *dev_priv, int vco)
+{
+       int ratio = DIV_ROUND_CLOSEST(vco, dev_priv->cdclk_pll.ref);
+       u32 val;
+
+       val = I915_READ(BXT_DE_PLL_CTL);
+       val &= ~BXT_DE_PLL_RATIO_MASK;
+       val |= BXT_DE_PLL_RATIO(ratio);
+       I915_WRITE(BXT_DE_PLL_CTL, val);
+
+       I915_WRITE(BXT_DE_PLL_ENABLE, BXT_DE_PLL_PLL_ENABLE);
+
+       /* Timeout 200us */
+       if (intel_wait_for_register(dev_priv,
+                                   BXT_DE_PLL_ENABLE,
+                                   BXT_DE_PLL_LOCK,
+                                   BXT_DE_PLL_LOCK,
+                                   1))
+               DRM_ERROR("timeout waiting for DE PLL lock\n");
+
+       dev_priv->cdclk_pll.vco = vco;
+}
+
+static void bxt_set_cdclk(struct drm_i915_private *dev_priv, int cdclk)
+{
+       u32 val, divider;
+       int vco, ret;
+
+       vco = bxt_de_pll_vco(dev_priv, cdclk);
+
+       DRM_DEBUG_DRIVER("Changing CDCLK to %d kHz (VCO %d kHz)\n", cdclk, vco);
+
+       /* cdclk = vco / 2 / div{1,1.5,2,4} */
+       switch (DIV_ROUND_CLOSEST(vco, cdclk)) {
+       case 8:
                divider = BXT_CDCLK_CD2X_DIV_SEL_4;
-               ratio = BXT_DE_PLL_RATIO(60);
                break;
-       case 288000:
+       case 4:
                divider = BXT_CDCLK_CD2X_DIV_SEL_2;
-               ratio = BXT_DE_PLL_RATIO(60);
                break;
-       case 384000:
+       case 3:
                divider = BXT_CDCLK_CD2X_DIV_SEL_1_5;
-               ratio = BXT_DE_PLL_RATIO(60);
                break;
-       case 576000:
-               divider = BXT_CDCLK_CD2X_DIV_SEL_1;
-               ratio = BXT_DE_PLL_RATIO(60);
-               break;
-       case 624000:
+       case 2:
                divider = BXT_CDCLK_CD2X_DIV_SEL_1;
-               ratio = BXT_DE_PLL_RATIO(65);
-               break;
-       case 19200:
-               /*
-                * Bypass frequency with DE PLL disabled. Init ratio, divider
-                * to suppress GCC warning.
-                */
-               ratio = 0;
-               divider = 0;
                break;
        default:
-               DRM_ERROR("unsupported CDCLK freq %d", frequency);
+               WARN_ON(cdclk != dev_priv->cdclk_pll.ref);
+               WARN_ON(vco != 0);
 
-               return;
+               divider = BXT_CDCLK_CD2X_DIV_SEL_1;
+               break;
        }
 
-       mutex_lock(&dev_priv->rps.hw_lock);
        /* Inform power controller of upcoming frequency change */
+       mutex_lock(&dev_priv->rps.hw_lock);
        ret = sandybridge_pcode_write(dev_priv, HSW_PCODE_DE_WRITE_FREQ_REQ,
                                      0x80000000);
        mutex_unlock(&dev_priv->rps.hw_lock);
 
        if (ret) {
                DRM_ERROR("PCode CDCLK freq change notify failed (err %d, freq %d)\n",
-                         ret, frequency);
+                         ret, cdclk);
                return;
        }
 
-       current_freq = I915_READ(CDCLK_CTL) & CDCLK_FREQ_DECIMAL_MASK;
-       /* convert from .1 fixpoint MHz with -1MHz offset to kHz */
-       current_freq = current_freq * 500 + 1000;
+       if (dev_priv->cdclk_pll.vco != 0 &&
+           dev_priv->cdclk_pll.vco != vco)
+               bxt_de_pll_disable(dev_priv);
 
-       /*
-        * DE PLL has to be disabled when
-        * - setting to 19.2MHz (bypass, PLL isn't used)
-        * - before setting to 624MHz (PLL needs toggling)
-        * - before setting to any frequency from 624MHz (PLL needs toggling)
-        */
-       if (frequency == 19200 || frequency == 624000 ||
-           current_freq == 624000) {
-               I915_WRITE(BXT_DE_PLL_ENABLE, ~BXT_DE_PLL_PLL_ENABLE);
-               /* Timeout 200us */
-               if (wait_for(!(I915_READ(BXT_DE_PLL_ENABLE) & BXT_DE_PLL_LOCK),
-                            1))
-                       DRM_ERROR("timout waiting for DE PLL unlock\n");
-       }
-
-       if (frequency != 19200) {
-               uint32_t val;
-
-               val = I915_READ(BXT_DE_PLL_CTL);
-               val &= ~BXT_DE_PLL_RATIO_MASK;
-               val |= ratio;
-               I915_WRITE(BXT_DE_PLL_CTL, val);
-
-               I915_WRITE(BXT_DE_PLL_ENABLE, BXT_DE_PLL_PLL_ENABLE);
-               /* Timeout 200us */
-               if (wait_for(I915_READ(BXT_DE_PLL_ENABLE) & BXT_DE_PLL_LOCK, 1))
-                       DRM_ERROR("timeout waiting for DE PLL lock\n");
-
-               val = I915_READ(CDCLK_CTL);
-               val &= ~BXT_CDCLK_CD2X_DIV_SEL_MASK;
-               val |= divider;
-               /*
-                * Disable SSA Precharge when CD clock frequency < 500 MHz,
-                * enable otherwise.
-                */
-               val &= ~BXT_CDCLK_SSA_PRECHARGE_ENABLE;
-               if (frequency >= 500000)
-                       val |= BXT_CDCLK_SSA_PRECHARGE_ENABLE;
+       if (dev_priv->cdclk_pll.vco != vco)
+               bxt_de_pll_enable(dev_priv, vco);
 
-               val &= ~CDCLK_FREQ_DECIMAL_MASK;
-               /* convert from kHz to .1 fixpoint MHz with -1MHz offset */
-               val |= (frequency - 1000) / 500;
-               I915_WRITE(CDCLK_CTL, val);
-       }
+       val = divider | skl_cdclk_decimal(cdclk);
+       /*
+        * FIXME if only the cd2x divider needs changing, it could be done
+        * without shutting off the pipe (if only one pipe is active).
+        */
+       val |= BXT_CDCLK_CD2X_PIPE_NONE;
+       /*
+        * Disable SSA Precharge when CD clock frequency < 500 MHz,
+        * enable otherwise.
+        */
+       if (cdclk >= 500000)
+               val |= BXT_CDCLK_SSA_PRECHARGE_ENABLE;
+       I915_WRITE(CDCLK_CTL, val);
 
        mutex_lock(&dev_priv->rps.hw_lock);
        ret = sandybridge_pcode_write(dev_priv, HSW_PCODE_DE_WRITE_FREQ_REQ,
-                                     DIV_ROUND_UP(frequency, 25000));
+                                     DIV_ROUND_UP(cdclk, 25000));
        mutex_unlock(&dev_priv->rps.hw_lock);
 
        if (ret) {
                DRM_ERROR("PCode CDCLK freq set failed, (err %d, freq %d)\n",
-                         ret, frequency);
+                         ret, cdclk);
                return;
        }
 
        intel_update_cdclk(dev_priv->dev);
 }
 
-static bool broxton_cdclk_is_enabled(struct drm_i915_private *dev_priv)
+static void bxt_sanitize_cdclk(struct drm_i915_private *dev_priv)
 {
-       if (!(I915_READ(BXT_DE_PLL_ENABLE) & BXT_DE_PLL_PLL_ENABLE))
-               return false;
+       u32 cdctl, expected;
 
-       /* TODO: Check for a valid CDCLK rate */
+       intel_update_cdclk(dev_priv->dev);
 
-       if (!(I915_READ(DBUF_CTL) & DBUF_POWER_REQUEST)) {
-               DRM_DEBUG_DRIVER("CDCLK enabled, but DBUF power not requested\n");
+       if (dev_priv->cdclk_pll.vco == 0 ||
+           dev_priv->cdclk_freq == dev_priv->cdclk_pll.ref)
+               goto sanitize;
 
-               return false;
-       }
+       /* DPLL okay; verify the cdclock
+        *
+        * Some BIOS versions leave an incorrect decimal frequency value and
+        * set reserved MBZ bits in CDCLK_CTL at least during exiting from S4,
+        * so sanitize this register.
+        */
+       cdctl = I915_READ(CDCLK_CTL);
+       /*
+        * Let's ignore the pipe field, since BIOS could have configured the
+        * dividers both synching to an active pipe, or asynchronously
+        * (PIPE_NONE).
+        */
+       cdctl &= ~BXT_CDCLK_CD2X_PIPE_NONE;
 
-       if (!(I915_READ(DBUF_CTL) & DBUF_POWER_STATE)) {
-               DRM_DEBUG_DRIVER("CDCLK enabled, but DBUF power hasn't settled\n");
+       expected = (cdctl & BXT_CDCLK_CD2X_DIV_SEL_MASK) |
+                  skl_cdclk_decimal(dev_priv->cdclk_freq);
+       /*
+        * Disable SSA Precharge when CD clock frequency < 500 MHz,
+        * enable otherwise.
+        */
+       if (dev_priv->cdclk_freq >= 500000)
+               expected |= BXT_CDCLK_SSA_PRECHARGE_ENABLE;
 
-               return false;
-       }
+       if (cdctl == expected)
+               /* All well; nothing to sanitize */
+               return;
 
-       return true;
-}
+sanitize:
+       DRM_DEBUG_KMS("Sanitizing cdclk programmed by pre-os\n");
 
-bool broxton_cdclk_verify_state(struct drm_i915_private *dev_priv)
-{
-       return broxton_cdclk_is_enabled(dev_priv);
+       /* force cdclk programming */
+       dev_priv->cdclk_freq = 0;
+
+       /* force full PLL disable + enable */
+       dev_priv->cdclk_pll.vco = -1;
 }
 
-void broxton_init_cdclk(struct drm_i915_private *dev_priv)
+void bxt_init_cdclk(struct drm_i915_private *dev_priv)
 {
-       /* check if cd clock is enabled */
-       if (broxton_cdclk_is_enabled(dev_priv)) {
-               DRM_DEBUG_KMS("CDCLK already enabled, won't reprogram it\n");
-               return;
-       }
+       bxt_sanitize_cdclk(dev_priv);
 
-       DRM_DEBUG_KMS("CDCLK not enabled, enabling it\n");
+       if (dev_priv->cdclk_freq != 0 && dev_priv->cdclk_pll.vco != 0)
+               return;
 
        /*
         * FIXME:
         * - The initial CDCLK needs to be read from VBT.
         *   Need to make this change after VBT has changes for BXT.
-        * - check if setting the max (or any) cdclk freq is really necessary
-        *   here, it belongs to modeset time
         */
-       broxton_set_cdclk(dev_priv, 624000);
-
-       I915_WRITE(DBUF_CTL, I915_READ(DBUF_CTL) | DBUF_POWER_REQUEST);
-       POSTING_READ(DBUF_CTL);
+       bxt_set_cdclk(dev_priv, bxt_calc_cdclk(0));
+}
 
-       udelay(10);
+void bxt_uninit_cdclk(struct drm_i915_private *dev_priv)
+{
+       bxt_set_cdclk(dev_priv, dev_priv->cdclk_pll.ref);
+}
 
-       if (!(I915_READ(DBUF_CTL) & DBUF_POWER_STATE))
-               DRM_ERROR("DBuf power enable timeout!\n");
+static int skl_calc_cdclk(int max_pixclk, int vco)
+{
+       if (vco == 8640000) {
+               if (max_pixclk > 540000)
+                       return 617143;
+               else if (max_pixclk > 432000)
+                       return 540000;
+               else if (max_pixclk > 308571)
+                       return 432000;
+               else
+                       return 308571;
+       } else {
+               if (max_pixclk > 540000)
+                       return 675000;
+               else if (max_pixclk > 450000)
+                       return 540000;
+               else if (max_pixclk > 337500)
+                       return 450000;
+               else
+                       return 337500;
+       }
 }
 
-void broxton_uninit_cdclk(struct drm_i915_private *dev_priv)
+static void
+skl_dpll0_update(struct drm_i915_private *dev_priv)
 {
-       I915_WRITE(DBUF_CTL, I915_READ(DBUF_CTL) & ~DBUF_POWER_REQUEST);
-       POSTING_READ(DBUF_CTL);
+       u32 val;
 
-       udelay(10);
+       dev_priv->cdclk_pll.ref = 24000;
+       dev_priv->cdclk_pll.vco = 0;
 
-       if (I915_READ(DBUF_CTL) & DBUF_POWER_STATE)
-               DRM_ERROR("DBuf power disable timeout!\n");
+       val = I915_READ(LCPLL1_CTL);
+       if ((val & LCPLL_PLL_ENABLE) == 0)
+               return;
 
-       /* Set minimum (bypass) frequency, in effect turning off the DE PLL */
-       broxton_set_cdclk(dev_priv, 19200);
-}
+       if (WARN_ON((val & LCPLL_PLL_LOCK) == 0))
+               return;
 
-static const struct skl_cdclk_entry {
-       unsigned int freq;
-       unsigned int vco;
-} skl_cdclk_frequencies[] = {
-       { .freq = 308570, .vco = 8640 },
-       { .freq = 337500, .vco = 8100 },
-       { .freq = 432000, .vco = 8640 },
-       { .freq = 450000, .vco = 8100 },
-       { .freq = 540000, .vco = 8100 },
-       { .freq = 617140, .vco = 8640 },
-       { .freq = 675000, .vco = 8100 },
-};
+       val = I915_READ(DPLL_CTRL1);
 
-static unsigned int skl_cdclk_decimal(unsigned int freq)
-{
-       return (freq - 1000) / 500;
+       if (WARN_ON((val & (DPLL_CTRL1_HDMI_MODE(SKL_DPLL0) |
+                           DPLL_CTRL1_SSC(SKL_DPLL0) |
+                           DPLL_CTRL1_OVERRIDE(SKL_DPLL0))) !=
+                   DPLL_CTRL1_OVERRIDE(SKL_DPLL0)))
+               return;
+
+       switch (val & DPLL_CTRL1_LINK_RATE_MASK(SKL_DPLL0)) {
+       case DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_810, SKL_DPLL0):
+       case DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_1350, SKL_DPLL0):
+       case DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_1620, SKL_DPLL0):
+       case DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_2700, SKL_DPLL0):
+               dev_priv->cdclk_pll.vco = 8100000;
+               break;
+       case DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_1080, SKL_DPLL0):
+       case DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_2160, SKL_DPLL0):
+               dev_priv->cdclk_pll.vco = 8640000;
+               break;
+       default:
+               MISSING_CASE(val & DPLL_CTRL1_LINK_RATE_MASK(SKL_DPLL0));
+               break;
+       }
 }
 
-static unsigned int skl_cdclk_get_vco(unsigned int freq)
+void skl_set_preferred_cdclk_vco(struct drm_i915_private *dev_priv, int vco)
 {
-       unsigned int i;
-
-       for (i = 0; i < ARRAY_SIZE(skl_cdclk_frequencies); i++) {
-               const struct skl_cdclk_entry *e = &skl_cdclk_frequencies[i];
+       bool changed = dev_priv->skl_preferred_vco_freq != vco;
 
-               if (e->freq == freq)
-                       return e->vco;
-       }
+       dev_priv->skl_preferred_vco_freq = vco;
 
-       return 8100;
+       if (changed)
+               intel_update_max_cdclk(dev_priv->dev);
 }
 
 static void
-skl_dpll0_enable(struct drm_i915_private *dev_priv, unsigned int required_vco)
+skl_dpll0_enable(struct drm_i915_private *dev_priv, int vco)
 {
-       unsigned int min_freq;
+       int min_cdclk = skl_calc_cdclk(0, vco);
        u32 val;
 
-       /* select the minimum CDCLK before enabling DPLL 0 */
-       val = I915_READ(CDCLK_CTL);
-       val &= ~CDCLK_FREQ_SEL_MASK | ~CDCLK_FREQ_DECIMAL_MASK;
-       val |= CDCLK_FREQ_337_308;
-
-       if (required_vco == 8640)
-               min_freq = 308570;
-       else
-               min_freq = 337500;
-
-       val = CDCLK_FREQ_337_308 | skl_cdclk_decimal(min_freq);
+       WARN_ON(vco != 8100000 && vco != 8640000);
 
+       /* select the minimum CDCLK before enabling DPLL 0 */
+       val = CDCLK_FREQ_337_308 | skl_cdclk_decimal(min_cdclk);
        I915_WRITE(CDCLK_CTL, val);
        POSTING_READ(CDCLK_CTL);
 
@@ -5592,14 +5687,14 @@ skl_dpll0_enable(struct drm_i915_private *dev_priv, unsigned int required_vco)
         * 8100 while the eDP 1.4 alternate link rates need a VCO of 8640.
         * The modeset code is responsible for the selection of the exact link
         * rate later on, with the constraint of choosing a frequency that
-        * works with required_vco.
+        * works with vco.
         */
        val = I915_READ(DPLL_CTRL1);
 
        val &= ~(DPLL_CTRL1_HDMI_MODE(SKL_DPLL0) | DPLL_CTRL1_SSC(SKL_DPLL0) |
                 DPLL_CTRL1_LINK_RATE_MASK(SKL_DPLL0));
        val |= DPLL_CTRL1_OVERRIDE(SKL_DPLL0);
-       if (required_vco == 8640)
+       if (vco == 8640000)
                val |= DPLL_CTRL1_LINK_RATE(DPLL_CTRL1_LINK_RATE_1080,
                                            SKL_DPLL0);
        else
@@ -5611,8 +5706,27 @@ skl_dpll0_enable(struct drm_i915_private *dev_priv, unsigned int required_vco)
 
        I915_WRITE(LCPLL1_CTL, I915_READ(LCPLL1_CTL) | LCPLL_PLL_ENABLE);
 
-       if (wait_for(I915_READ(LCPLL1_CTL) & LCPLL_PLL_LOCK, 5))
+       if (intel_wait_for_register(dev_priv,
+                                   LCPLL1_CTL, LCPLL_PLL_LOCK, LCPLL_PLL_LOCK,
+                                   5))
                DRM_ERROR("DPLL0 not locked\n");
+
+       dev_priv->cdclk_pll.vco = vco;
+
+       /* We'll want to keep using the current vco from now on. */
+       skl_set_preferred_cdclk_vco(dev_priv, vco);
+}
+
+static void
+skl_dpll0_disable(struct drm_i915_private *dev_priv)
+{
+       I915_WRITE(LCPLL1_CTL, I915_READ(LCPLL1_CTL) & ~LCPLL_PLL_ENABLE);
+       if (intel_wait_for_register(dev_priv,
+                                  LCPLL1_CTL, LCPLL_PLL_LOCK, 0,
+                                  1))
+               DRM_ERROR("Couldn't disable DPLL0\n");
+
+       dev_priv->cdclk_pll.vco = 0;
 }
 
 static bool skl_cdclk_pcu_ready(struct drm_i915_private *dev_priv)
@@ -5642,12 +5756,14 @@ static bool skl_cdclk_wait_for_pcu_ready(struct drm_i915_private *dev_priv)
        return false;
 }
 
-static void skl_set_cdclk(struct drm_i915_private *dev_priv, unsigned int freq)
+static void skl_set_cdclk(struct drm_i915_private *dev_priv, int cdclk, int vco)
 {
        struct drm_device *dev = dev_priv->dev;
        u32 freq_select, pcu_ack;
 
-       DRM_DEBUG_DRIVER("Changing CDCLK to %dKHz\n", freq);
+       WARN_ON((cdclk == 24000) != (vco == 0));
+
+       DRM_DEBUG_DRIVER("Changing CDCLK to %d kHz (VCO %d kHz)\n", cdclk, vco);
 
        if (!skl_cdclk_wait_for_pcu_ready(dev_priv)) {
                DRM_ERROR("failed to inform PCU about cdclk change\n");
@@ -5655,7 +5771,7 @@ static void skl_set_cdclk(struct drm_i915_private *dev_priv, unsigned int freq)
        }
 
        /* set CDCLK_CTL */
-       switch(freq) {
+       switch (cdclk) {
        case 450000:
        case 432000:
                freq_select = CDCLK_FREQ_450_432;
@@ -5665,20 +5781,27 @@ static void skl_set_cdclk(struct drm_i915_private *dev_priv, unsigned int freq)
                freq_select = CDCLK_FREQ_540;
                pcu_ack = 2;
                break;
-       case 308570:
+       case 308571:
        case 337500:
        default:
                freq_select = CDCLK_FREQ_337_308;
                pcu_ack = 0;
                break;
-       case 617140:
+       case 617143:
        case 675000:
                freq_select = CDCLK_FREQ_675_617;
                pcu_ack = 3;
                break;
        }
 
-       I915_WRITE(CDCLK_CTL, freq_select | skl_cdclk_decimal(freq));
+       if (dev_priv->cdclk_pll.vco != 0 &&
+           dev_priv->cdclk_pll.vco != vco)
+               skl_dpll0_disable(dev_priv);
+
+       if (dev_priv->cdclk_pll.vco != vco)
+               skl_dpll0_enable(dev_priv, vco);
+
+       I915_WRITE(CDCLK_CTL, freq_select | skl_cdclk_decimal(cdclk));
        POSTING_READ(CDCLK_CTL);
 
        /* inform PCU of the change */
@@ -5689,52 +5812,41 @@ static void skl_set_cdclk(struct drm_i915_private *dev_priv, unsigned int freq)
        intel_update_cdclk(dev);
 }
 
+static void skl_sanitize_cdclk(struct drm_i915_private *dev_priv);
+
 void skl_uninit_cdclk(struct drm_i915_private *dev_priv)
 {
-       /* disable DBUF power */
-       I915_WRITE(DBUF_CTL, I915_READ(DBUF_CTL) & ~DBUF_POWER_REQUEST);
-       POSTING_READ(DBUF_CTL);
-
-       udelay(10);
-
-       if (I915_READ(DBUF_CTL) & DBUF_POWER_STATE)
-               DRM_ERROR("DBuf power disable timeout\n");
-
-       /* disable DPLL0 */
-       I915_WRITE(LCPLL1_CTL, I915_READ(LCPLL1_CTL) & ~LCPLL_PLL_ENABLE);
-       if (wait_for(!(I915_READ(LCPLL1_CTL) & LCPLL_PLL_LOCK), 1))
-               DRM_ERROR("Couldn't disable DPLL0\n");
+       skl_set_cdclk(dev_priv, dev_priv->cdclk_pll.ref, 0);
 }
 
 void skl_init_cdclk(struct drm_i915_private *dev_priv)
 {
-       unsigned int required_vco;
-
-       /* DPLL0 not enabled (happens on early BIOS versions) */
-       if (!(I915_READ(LCPLL1_CTL) & LCPLL_PLL_ENABLE)) {
-               /* enable DPLL0 */
-               required_vco = skl_cdclk_get_vco(dev_priv->skl_boot_cdclk);
-               skl_dpll0_enable(dev_priv, required_vco);
-       }
+       int cdclk, vco;
 
-       /* set CDCLK to the frequency the BIOS chose */
-       skl_set_cdclk(dev_priv, dev_priv->skl_boot_cdclk);
+       skl_sanitize_cdclk(dev_priv);
 
-       /* enable DBUF power */
-       I915_WRITE(DBUF_CTL, I915_READ(DBUF_CTL) | DBUF_POWER_REQUEST);
-       POSTING_READ(DBUF_CTL);
+       if (dev_priv->cdclk_freq != 0 && dev_priv->cdclk_pll.vco != 0) {
+               /*
+                * Use the current vco as our initial
+                * guess as to what the preferred vco is.
+                */
+               if (dev_priv->skl_preferred_vco_freq == 0)
+                       skl_set_preferred_cdclk_vco(dev_priv,
+                                                   dev_priv->cdclk_pll.vco);
+               return;
+       }
 
-       udelay(10);
+       vco = dev_priv->skl_preferred_vco_freq;
+       if (vco == 0)
+               vco = 8100000;
+       cdclk = skl_calc_cdclk(0, vco);
 
-       if (!(I915_READ(DBUF_CTL) & DBUF_POWER_STATE))
-               DRM_ERROR("DBuf power enable timeout\n");
+       skl_set_cdclk(dev_priv, cdclk, vco);
 }
 
-int skl_sanitize_cdclk(struct drm_i915_private *dev_priv)
+static void skl_sanitize_cdclk(struct drm_i915_private *dev_priv)
 {
-       uint32_t lcpll1 = I915_READ(LCPLL1_CTL);
-       uint32_t cdctl = I915_READ(CDCLK_CTL);
-       int freq = dev_priv->skl_boot_cdclk;
+       uint32_t cdctl, expected;
 
        /*
         * check if the pre-os intialized the display
@@ -5744,8 +5856,10 @@ int skl_sanitize_cdclk(struct drm_i915_private *dev_priv)
        if ((I915_READ(SWF_ILK(0x18)) & 0x00FFFFFF) == 0)
                goto sanitize;
 
+       intel_update_cdclk(dev_priv->dev);
        /* Is PLL enabled and locked ? */
-       if (!((lcpll1 & LCPLL_PLL_ENABLE) && (lcpll1 & LCPLL_PLL_LOCK)))
+       if (dev_priv->cdclk_pll.vco == 0 ||
+           dev_priv->cdclk_freq == dev_priv->cdclk_pll.ref)
                goto sanitize;
 
        /* DPLL okay; verify the cdclock
@@ -5754,25 +5868,26 @@ int skl_sanitize_cdclk(struct drm_i915_private *dev_priv)
         * decimal part is programmed wrong from BIOS where pre-os does not
         * enable display. Verify the same as well.
         */
-       if (cdctl == ((cdctl & CDCLK_FREQ_SEL_MASK) | skl_cdclk_decimal(freq)))
+       cdctl = I915_READ(CDCLK_CTL);
+       expected = (cdctl & CDCLK_FREQ_SEL_MASK) |
+               skl_cdclk_decimal(dev_priv->cdclk_freq);
+       if (cdctl == expected)
                /* All well; nothing to sanitize */
-               return false;
+               return;
+
 sanitize:
-       /*
-        * As of now initialize with max cdclk till
-        * we get dynamic cdclk support
-        * */
-       dev_priv->skl_boot_cdclk = dev_priv->max_cdclk_freq;
-       skl_init_cdclk(dev_priv);
+       DRM_DEBUG_KMS("Sanitizing cdclk programmed by pre-os\n");
 
-       /* we did have to sanitize */
-       return true;
+       /* force cdclk programming */
+       dev_priv->cdclk_freq = 0;
+       /* force full PLL disable + enable */
+       dev_priv->cdclk_pll.vco = -1;
 }
 
 /* Adjust CDclk dividers to allow high res or save power if possible */
 static void valleyview_set_cdclk(struct drm_device *dev, int cdclk)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        u32 val, cmd;
 
        WARN_ON(dev_priv->display.get_display_clock_speed(dev)
@@ -5837,7 +5952,7 @@ static void valleyview_set_cdclk(struct drm_device *dev, int cdclk)
 
 static void cherryview_set_cdclk(struct drm_device *dev, int cdclk)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        u32 val, cmd;
 
        WARN_ON(dev_priv->display.get_display_clock_speed(dev)
@@ -5906,21 +6021,15 @@ static int valleyview_calc_cdclk(struct drm_i915_private *dev_priv,
                return 200000;
 }
 
-static int broxton_calc_cdclk(struct drm_i915_private *dev_priv,
-                             int max_pixclk)
+static int bxt_calc_cdclk(int max_pixclk)
 {
-       /*
-        * FIXME:
-        * - remove the guardband, it's not needed on BXT
-        * - set 19.2MHz bypass frequency if there are no active pipes
-        */
-       if (max_pixclk > 576000*9/10)
+       if (max_pixclk > 576000)
                return 624000;
-       else if (max_pixclk > 384000*9/10)
+       else if (max_pixclk > 384000)
                return 576000;
-       else if (max_pixclk > 288000*9/10)
+       else if (max_pixclk > 288000)
                return 384000;
-       else if (max_pixclk > 144000*9/10)
+       else if (max_pixclk > 144000)
                return 288000;
        else
                return 144000;
@@ -5931,7 +6040,7 @@ static int intel_mode_max_pixclk(struct drm_device *dev,
                                 struct drm_atomic_state *state)
 {
        struct intel_atomic_state *intel_state = to_intel_atomic_state(state);
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct drm_crtc *crtc;
        struct drm_crtc_state *crtc_state;
        unsigned max_pixclk = 0, i;
@@ -5958,14 +6067,11 @@ static int intel_mode_max_pixclk(struct drm_device *dev,
 static int valleyview_modeset_calc_cdclk(struct drm_atomic_state *state)
 {
        struct drm_device *dev = state->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        int max_pixclk = intel_mode_max_pixclk(dev, state);
        struct intel_atomic_state *intel_state =
                to_intel_atomic_state(state);
 
-       if (max_pixclk < 0)
-               return max_pixclk;
-
        intel_state->cdclk = intel_state->dev_cdclk =
                valleyview_calc_cdclk(dev_priv, max_pixclk);
 
@@ -5975,22 +6081,17 @@ static int valleyview_modeset_calc_cdclk(struct drm_atomic_state *state)
        return 0;
 }
 
-static int broxton_modeset_calc_cdclk(struct drm_atomic_state *state)
+static int bxt_modeset_calc_cdclk(struct drm_atomic_state *state)
 {
-       struct drm_device *dev = state->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
-       int max_pixclk = intel_mode_max_pixclk(dev, state);
+       int max_pixclk = ilk_max_pixel_rate(state);
        struct intel_atomic_state *intel_state =
                to_intel_atomic_state(state);
 
-       if (max_pixclk < 0)
-               return max_pixclk;
-
        intel_state->cdclk = intel_state->dev_cdclk =
-               broxton_calc_cdclk(dev_priv, max_pixclk);
+               bxt_calc_cdclk(max_pixclk);
 
        if (!intel_state->active_crtcs)
-               intel_state->dev_cdclk = broxton_calc_cdclk(dev_priv, 0);
+               intel_state->dev_cdclk = bxt_calc_cdclk(0);
 
        return 0;
 }
@@ -6034,7 +6135,7 @@ static void vlv_program_pfi_credits(struct drm_i915_private *dev_priv)
 static void valleyview_modeset_commit_cdclk(struct drm_atomic_state *old_state)
 {
        struct drm_device *dev = old_state->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_atomic_state *old_intel_state =
                to_intel_atomic_state(old_state);
        unsigned req_cdclk = old_intel_state->dev_cdclk;
@@ -6080,7 +6181,7 @@ static void valleyview_crtc_enable(struct drm_crtc *crtc)
        intel_set_pipe_src_size(intel_crtc);
 
        if (IS_CHERRYVIEW(dev) && pipe == PIPE_B) {
-               struct drm_i915_private *dev_priv = dev->dev_private;
+               struct drm_i915_private *dev_priv = to_i915(dev);
 
                I915_WRITE(CHV_BLEND(pipe), CHV_BLEND_LEGACY);
                I915_WRITE(CHV_CANVAS(pipe), 0);
@@ -6125,7 +6226,7 @@ static void valleyview_crtc_enable(struct drm_crtc *crtc)
 static void i9xx_set_pll_dividers(struct intel_crtc *crtc)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
 
        I915_WRITE(FP0(crtc->pipe), crtc->config->dpll_hw_state.fp0);
        I915_WRITE(FP1(crtc->pipe), crtc->config->dpll_hw_state.fp1);
@@ -6182,7 +6283,7 @@ static void i9xx_crtc_enable(struct drm_crtc *crtc)
 static void i9xx_pfit_disable(struct intel_crtc *crtc)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
 
        if (!crtc->config->gmch_pfit.control)
                return;
@@ -6197,7 +6298,7 @@ static void i9xx_pfit_disable(struct intel_crtc *crtc)
 static void i9xx_crtc_disable(struct drm_crtc *crtc)
 {
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        struct intel_encoder *encoder;
        int pipe = intel_crtc->pipe;
@@ -6252,7 +6353,7 @@ static void intel_crtc_disable_noatomic(struct drm_crtc *crtc)
                return;
 
        if (to_intel_plane_state(crtc->primary->state)->visible) {
-               WARN_ON(intel_crtc->unpin_work);
+               WARN_ON(intel_crtc->flip_work);
 
                intel_pre_disable_primary_noatomic(crtc);
 
@@ -6262,8 +6363,8 @@ static void intel_crtc_disable_noatomic(struct drm_crtc *crtc)
 
        dev_priv->display.crtc_disable(crtc);
 
-       DRM_DEBUG_KMS("[CRTC:%d] hw state adjusted, was enabled, now disabled\n",
-                     crtc->base.id);
+       DRM_DEBUG_KMS("[CRTC:%d:%s] hw state adjusted, was enabled, now disabled\n",
+                     crtc->base.id, crtc->name);
 
        WARN_ON(drm_atomic_set_mode_for_crtc(crtc->state, NULL) < 0);
        crtc->state->active = false;
@@ -6541,7 +6642,7 @@ static void hsw_compute_ips_config(struct intel_crtc *crtc,
                                   struct intel_crtc_state *pipe_config)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
 
        pipe_config->ips_enabled = i915.enable_ips &&
                hsw_crtc_supports_ips(crtc) &&
@@ -6561,12 +6662,12 @@ static int intel_crtc_compute_config(struct intel_crtc *crtc,
                                     struct intel_crtc_state *pipe_config)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        const struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode;
+       int clock_limit = dev_priv->max_dotclk_freq;
 
-       /* FIXME should check pixel clock limits on all platforms */
        if (INTEL_INFO(dev)->gen < 4) {
-               int clock_limit = dev_priv->max_cdclk_freq * 9 / 10;
+               clock_limit = dev_priv->max_cdclk_freq * 9 / 10;
 
                /*
                 * Enable double wide mode when the dot clock
@@ -6574,16 +6675,16 @@ static int intel_crtc_compute_config(struct intel_crtc *crtc,
                 */
                if (intel_crtc_supports_double_wide(crtc) &&
                    adjusted_mode->crtc_clock > clock_limit) {
-                       clock_limit *= 2;
+                       clock_limit = dev_priv->max_dotclk_freq;
                        pipe_config->double_wide = true;
                }
+       }
 
-               if (adjusted_mode->crtc_clock > clock_limit) {
-                       DRM_DEBUG_KMS("requested pixel clock (%d kHz) too high (max: %d kHz, double wide: %s)\n",
-                                     adjusted_mode->crtc_clock, clock_limit,
-                                     yesno(pipe_config->double_wide));
-                       return -EINVAL;
-               }
+       if (adjusted_mode->crtc_clock > clock_limit) {
+               DRM_DEBUG_KMS("requested pixel clock (%d kHz) too high (max: %d kHz, double wide: %s)\n",
+                             adjusted_mode->crtc_clock, clock_limit,
+                             yesno(pipe_config->double_wide));
+               return -EINVAL;
        }
 
        /*
@@ -6615,81 +6716,103 @@ static int intel_crtc_compute_config(struct intel_crtc *crtc,
 static int skylake_get_display_clock_speed(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = to_i915(dev);
-       uint32_t lcpll1 = I915_READ(LCPLL1_CTL);
-       uint32_t cdctl = I915_READ(CDCLK_CTL);
-       uint32_t linkrate;
+       uint32_t cdctl;
 
-       if (!(lcpll1 & LCPLL_PLL_ENABLE))
-               return 24000; /* 24MHz is the cd freq with NSSC ref */
+       skl_dpll0_update(dev_priv);
 
-       if ((cdctl & CDCLK_FREQ_SEL_MASK) == CDCLK_FREQ_540)
-               return 540000;
+       if (dev_priv->cdclk_pll.vco == 0)
+               return dev_priv->cdclk_pll.ref;
 
-       linkrate = (I915_READ(DPLL_CTRL1) &
-                   DPLL_CTRL1_LINK_RATE_MASK(SKL_DPLL0)) >> 1;
+       cdctl = I915_READ(CDCLK_CTL);
 
-       if (linkrate == DPLL_CTRL1_LINK_RATE_2160 ||
-           linkrate == DPLL_CTRL1_LINK_RATE_1080) {
-               /* vco 8640 */
+       if (dev_priv->cdclk_pll.vco == 8640000) {
                switch (cdctl & CDCLK_FREQ_SEL_MASK) {
                case CDCLK_FREQ_450_432:
                        return 432000;
                case CDCLK_FREQ_337_308:
-                       return 308570;
+                       return 308571;
+               case CDCLK_FREQ_540:
+                       return 540000;
                case CDCLK_FREQ_675_617:
-                       return 617140;
+                       return 617143;
                default:
-                       WARN(1, "Unknown cd freq selection\n");
+                       MISSING_CASE(cdctl & CDCLK_FREQ_SEL_MASK);
                }
        } else {
-               /* vco 8100 */
                switch (cdctl & CDCLK_FREQ_SEL_MASK) {
                case CDCLK_FREQ_450_432:
                        return 450000;
                case CDCLK_FREQ_337_308:
                        return 337500;
+               case CDCLK_FREQ_540:
+                       return 540000;
                case CDCLK_FREQ_675_617:
                        return 675000;
                default:
-                       WARN(1, "Unknown cd freq selection\n");
+                       MISSING_CASE(cdctl & CDCLK_FREQ_SEL_MASK);
                }
        }
 
-       /* error case, do as if DPLL0 isn't enabled */
-       return 24000;
+       return dev_priv->cdclk_pll.ref;
+}
+
+static void bxt_de_pll_update(struct drm_i915_private *dev_priv)
+{
+       u32 val;
+
+       dev_priv->cdclk_pll.ref = 19200;
+       dev_priv->cdclk_pll.vco = 0;
+
+       val = I915_READ(BXT_DE_PLL_ENABLE);
+       if ((val & BXT_DE_PLL_PLL_ENABLE) == 0)
+               return;
+
+       if (WARN_ON((val & BXT_DE_PLL_LOCK) == 0))
+               return;
+
+       val = I915_READ(BXT_DE_PLL_CTL);
+       dev_priv->cdclk_pll.vco = (val & BXT_DE_PLL_RATIO_MASK) *
+               dev_priv->cdclk_pll.ref;
 }
 
 static int broxton_get_display_clock_speed(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = to_i915(dev);
-       uint32_t cdctl = I915_READ(CDCLK_CTL);
-       uint32_t pll_ratio = I915_READ(BXT_DE_PLL_CTL) & BXT_DE_PLL_RATIO_MASK;
-       uint32_t pll_enab = I915_READ(BXT_DE_PLL_ENABLE);
-       int cdclk;
+       u32 divider;
+       int div, vco;
 
-       if (!(pll_enab & BXT_DE_PLL_PLL_ENABLE))
-               return 19200;
+       bxt_de_pll_update(dev_priv);
+
+       vco = dev_priv->cdclk_pll.vco;
+       if (vco == 0)
+               return dev_priv->cdclk_pll.ref;
 
-       cdclk = 19200 * pll_ratio / 2;
+       divider = I915_READ(CDCLK_CTL) & BXT_CDCLK_CD2X_DIV_SEL_MASK;
 
-       switch (cdctl & BXT_CDCLK_CD2X_DIV_SEL_MASK) {
+       switch (divider) {
        case BXT_CDCLK_CD2X_DIV_SEL_1:
-               return cdclk;  /* 576MHz or 624MHz */
+               div = 2;
+               break;
        case BXT_CDCLK_CD2X_DIV_SEL_1_5:
-               return cdclk * 2 / 3; /* 384MHz */
+               div = 3;
+               break;
        case BXT_CDCLK_CD2X_DIV_SEL_2:
-               return cdclk / 2; /* 288MHz */
+               div = 4;
+               break;
        case BXT_CDCLK_CD2X_DIV_SEL_4:
-               return cdclk / 4; /* 144MHz */
+               div = 8;
+               break;
+       default:
+               MISSING_CASE(divider);
+               return dev_priv->cdclk_pll.ref;
        }
 
-       /* error case, do as if DE PLL isn't enabled */
-       return 19200;
+       return DIV_ROUND_CLOSEST(vco, div);
 }
 
 static int broadwell_get_display_clock_speed(struct drm_device *dev)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        uint32_t lcpll = I915_READ(LCPLL_CTL);
        uint32_t freq = lcpll & LCPLL_CLK_FREQ_MASK;
 
@@ -6709,7 +6832,7 @@ static int broadwell_get_display_clock_speed(struct drm_device *dev)
 
 static int haswell_get_display_clock_speed(struct drm_device *dev)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        uint32_t lcpll = I915_READ(LCPLL_CTL);
        uint32_t freq = lcpll & LCPLL_CLK_FREQ_MASK;
 
@@ -6843,7 +6966,7 @@ static int i830_get_display_clock_speed(struct drm_device *dev)
 
 static unsigned int intel_hpll_vco(struct drm_device *dev)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        static const unsigned int blb_vco[8] = {
                [0] = 3200000,
                [1] = 4000000,
@@ -7063,7 +7186,7 @@ static uint32_t i9xx_dpll_compute_fp(struct dpll *dpll)
 
 static void i9xx_update_pll_dividers(struct intel_crtc *crtc,
                                     struct intel_crtc_state *crtc_state,
-                                    intel_clock_t *reduced_clock)
+                                    struct dpll *reduced_clock)
 {
        struct drm_device *dev = crtc->base.dev;
        u32 fp, fp2 = 0;
@@ -7123,7 +7246,7 @@ static void intel_pch_transcoder_set_m_n(struct intel_crtc *crtc,
                                         struct intel_link_m_n *m_n)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        int pipe = crtc->pipe;
 
        I915_WRITE(PCH_TRANS_DATA_M1(pipe), TU_SIZE(m_n->tu) | m_n->gmch_m);
@@ -7137,7 +7260,7 @@ static void intel_cpu_transcoder_set_m_n(struct intel_crtc *crtc,
                                         struct intel_link_m_n *m2_n2)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        int pipe = crtc->pipe;
        enum transcoder transcoder = crtc->config->cpu_transcoder;
 
@@ -7228,7 +7351,7 @@ static void vlv_prepare_pll(struct intel_crtc *crtc,
                            const struct intel_crtc_state *pipe_config)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        enum pipe pipe = crtc->pipe;
        u32 mdiv;
        u32 bestn, bestm1, bestm2, bestp1, bestp2;
@@ -7328,7 +7451,7 @@ static void chv_prepare_pll(struct intel_crtc *crtc,
                            const struct intel_crtc_state *pipe_config)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        enum pipe pipe = crtc->pipe;
        enum dpio_channel port = vlv_pipe_to_channel(pipe);
        u32 loopfilter, tribuf_calcntr;
@@ -7487,10 +7610,10 @@ void vlv_force_pll_off(struct drm_device *dev, enum pipe pipe)
 
 static void i9xx_compute_dpll(struct intel_crtc *crtc,
                              struct intel_crtc_state *crtc_state,
-                             intel_clock_t *reduced_clock)
+                             struct dpll *reduced_clock)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        u32 dpll;
        bool is_sdvo;
        struct dpll *clock = &crtc_state->dpll;
@@ -7563,10 +7686,10 @@ static void i9xx_compute_dpll(struct intel_crtc *crtc,
 
 static void i8xx_compute_dpll(struct intel_crtc *crtc,
                              struct intel_crtc_state *crtc_state,
-                             intel_clock_t *reduced_clock)
+                             struct dpll *reduced_clock)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        u32 dpll;
        struct dpll *clock = &crtc_state->dpll;
 
@@ -7601,7 +7724,7 @@ static void i8xx_compute_dpll(struct intel_crtc *crtc,
 static void intel_set_pipe_timings(struct intel_crtc *intel_crtc)
 {
        struct drm_device *dev = intel_crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        enum pipe pipe = intel_crtc->pipe;
        enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder;
        const struct drm_display_mode *adjusted_mode = &intel_crtc->config->base.adjusted_mode;
@@ -7663,7 +7786,7 @@ static void intel_set_pipe_timings(struct intel_crtc *intel_crtc)
 static void intel_set_pipe_src_size(struct intel_crtc *intel_crtc)
 {
        struct drm_device *dev = intel_crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        enum pipe pipe = intel_crtc->pipe;
 
        /* pipesrc controls the size that is scaled from, which should
@@ -7678,7 +7801,7 @@ static void intel_get_pipe_timings(struct intel_crtc *crtc,
                                   struct intel_crtc_state *pipe_config)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        enum transcoder cpu_transcoder = pipe_config->cpu_transcoder;
        uint32_t tmp;
 
@@ -7713,7 +7836,7 @@ static void intel_get_pipe_src_size(struct intel_crtc *crtc,
                                    struct intel_crtc_state *pipe_config)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        u32 tmp;
 
        tmp = I915_READ(PIPESRC(crtc->pipe));
@@ -7751,7 +7874,7 @@ void intel_mode_from_pipe_config(struct drm_display_mode *mode,
 static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc)
 {
        struct drm_device *dev = intel_crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        uint32_t pipeconf;
 
        pipeconf = 0;
@@ -7816,8 +7939,8 @@ static int i8xx_crtc_compute_clock(struct intel_crtc *crtc,
                                   struct intel_crtc_state *crtc_state)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
-       const intel_limit_t *limit;
+       struct drm_i915_private *dev_priv = to_i915(dev);
+       const struct intel_limit *limit;
        int refclk = 48000;
 
        memset(&crtc_state->dpll_hw_state, 0,
@@ -7852,8 +7975,8 @@ static int g4x_crtc_compute_clock(struct intel_crtc *crtc,
                                  struct intel_crtc_state *crtc_state)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
-       const intel_limit_t *limit;
+       struct drm_i915_private *dev_priv = to_i915(dev);
+       const struct intel_limit *limit;
        int refclk = 96000;
 
        memset(&crtc_state->dpll_hw_state, 0,
@@ -7895,8 +8018,8 @@ static int pnv_crtc_compute_clock(struct intel_crtc *crtc,
                                  struct intel_crtc_state *crtc_state)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
-       const intel_limit_t *limit;
+       struct drm_i915_private *dev_priv = to_i915(dev);
+       const struct intel_limit *limit;
        int refclk = 96000;
 
        memset(&crtc_state->dpll_hw_state, 0,
@@ -7929,8 +8052,8 @@ static int i9xx_crtc_compute_clock(struct intel_crtc *crtc,
                                   struct intel_crtc_state *crtc_state)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
-       const intel_limit_t *limit;
+       struct drm_i915_private *dev_priv = to_i915(dev);
+       const struct intel_limit *limit;
        int refclk = 96000;
 
        memset(&crtc_state->dpll_hw_state, 0,
@@ -7963,7 +8086,7 @@ static int chv_crtc_compute_clock(struct intel_crtc *crtc,
                                  struct intel_crtc_state *crtc_state)
 {
        int refclk = 100000;
-       const intel_limit_t *limit = &intel_limits_chv;
+       const struct intel_limit *limit = &intel_limits_chv;
 
        memset(&crtc_state->dpll_hw_state, 0,
               sizeof(crtc_state->dpll_hw_state));
@@ -7984,7 +8107,7 @@ static int vlv_crtc_compute_clock(struct intel_crtc *crtc,
                                  struct intel_crtc_state *crtc_state)
 {
        int refclk = 100000;
-       const intel_limit_t *limit = &intel_limits_vlv;
+       const struct intel_limit *limit = &intel_limits_vlv;
 
        memset(&crtc_state->dpll_hw_state, 0,
               sizeof(crtc_state->dpll_hw_state));
@@ -8005,7 +8128,7 @@ static void i9xx_get_pfit_config(struct intel_crtc *crtc,
                                 struct intel_crtc_state *pipe_config)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        uint32_t tmp;
 
        if (INTEL_INFO(dev)->gen <= 3 && (IS_I830(dev) || !IS_MOBILE(dev)))
@@ -8032,9 +8155,9 @@ static void vlv_crtc_clock_get(struct intel_crtc *crtc,
                               struct intel_crtc_state *pipe_config)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        int pipe = pipe_config->cpu_transcoder;
-       intel_clock_t clock;
+       struct dpll clock;
        u32 mdiv;
        int refclk = 100000;
 
@@ -8060,7 +8183,7 @@ i9xx_get_initial_plane_config(struct intel_crtc *crtc,
                              struct intel_initial_plane_config *plane_config)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        u32 val, base, offset;
        int pipe = crtc->pipe, plane = crtc->plane;
        int fourcc, pixel_format;
@@ -8128,10 +8251,10 @@ static void chv_crtc_clock_get(struct intel_crtc *crtc,
                               struct intel_crtc_state *pipe_config)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        int pipe = pipe_config->cpu_transcoder;
        enum dpio_channel port = vlv_pipe_to_channel(pipe);
-       intel_clock_t clock;
+       struct dpll clock;
        u32 cmn_dw13, pll_dw0, pll_dw1, pll_dw2, pll_dw3;
        int refclk = 100000;
 
@@ -8162,7 +8285,7 @@ static bool i9xx_get_pipe_config(struct intel_crtc *crtc,
                                 struct intel_crtc_state *pipe_config)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        enum intel_display_power_domain power_domain;
        uint32_t tmp;
        bool ret;
@@ -8273,14 +8396,16 @@ out:
 
 static void ironlake_init_pch_refclk(struct drm_device *dev)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_encoder *encoder;
+       int i;
        u32 val, final;
        bool has_lvds = false;
        bool has_cpu_edp = false;
        bool has_panel = false;
        bool has_ck505 = false;
        bool can_ssc = false;
+       bool using_ssc_source = false;
 
        /* We need to take the global config into account */
        for_each_intel_encoder(dev, encoder) {
@@ -8307,8 +8432,22 @@ static void ironlake_init_pch_refclk(struct drm_device *dev)
                can_ssc = true;
        }
 
-       DRM_DEBUG_KMS("has_panel %d has_lvds %d has_ck505 %d\n",
-                     has_panel, has_lvds, has_ck505);
+       /* Check if any DPLLs are using the SSC source */
+       for (i = 0; i < dev_priv->num_shared_dpll; i++) {
+               u32 temp = I915_READ(PCH_DPLL(i));
+
+               if (!(temp & DPLL_VCO_ENABLE))
+                       continue;
+
+               if ((temp & PLL_REF_INPUT_MASK) ==
+                   PLLB_REF_INPUT_SPREADSPECTRUMIN) {
+                       using_ssc_source = true;
+                       break;
+               }
+       }
+
+       DRM_DEBUG_KMS("has_panel %d has_lvds %d has_ck505 %d using_ssc_source %d\n",
+                     has_panel, has_lvds, has_ck505, using_ssc_source);
 
        /* Ironlake: try to setup display ref clock before DPLL
         * enabling. This is only under driver's control after
@@ -8345,9 +8484,9 @@ static void ironlake_init_pch_refclk(struct drm_device *dev)
                                final |= DREF_CPU_SOURCE_OUTPUT_NONSPREAD;
                } else
                        final |= DREF_CPU_SOURCE_OUTPUT_DISABLE;
-       } else {
-               final |= DREF_SSC_SOURCE_DISABLE;
-               final |= DREF_CPU_SOURCE_OUTPUT_DISABLE;
+       } else if (using_ssc_source) {
+               final |= DREF_SSC_SOURCE_ENABLE;
+               final |= DREF_SSC1_ENABLE;
        }
 
        if (final == val)
@@ -8393,7 +8532,7 @@ static void ironlake_init_pch_refclk(struct drm_device *dev)
                POSTING_READ(PCH_DREF_CONTROL);
                udelay(200);
        } else {
-               DRM_DEBUG_KMS("Disabling SSC entirely\n");
+               DRM_DEBUG_KMS("Disabling CPU source output\n");
 
                val &= ~DREF_CPU_SOURCE_OUTPUT_MASK;
 
@@ -8404,16 +8543,20 @@ static void ironlake_init_pch_refclk(struct drm_device *dev)
                POSTING_READ(PCH_DREF_CONTROL);
                udelay(200);
 
-               /* Turn off the SSC source */
-               val &= ~DREF_SSC_SOURCE_MASK;
-               val |= DREF_SSC_SOURCE_DISABLE;
+               if (!using_ssc_source) {
+                       DRM_DEBUG_KMS("Disabling SSC source\n");
 
-               /* Turn off SSC1 */
-               val &= ~DREF_SSC1_ENABLE;
+                       /* Turn off the SSC source */
+                       val &= ~DREF_SSC_SOURCE_MASK;
+                       val |= DREF_SSC_SOURCE_DISABLE;
 
-               I915_WRITE(PCH_DREF_CONTROL, val);
-               POSTING_READ(PCH_DREF_CONTROL);
-               udelay(200);
+                       /* Turn off SSC1 */
+                       val &= ~DREF_SSC1_ENABLE;
+
+                       I915_WRITE(PCH_DREF_CONTROL, val);
+                       POSTING_READ(PCH_DREF_CONTROL);
+                       udelay(200);
+               }
        }
 
        BUG_ON(val != final);
@@ -8427,16 +8570,16 @@ static void lpt_reset_fdi_mphy(struct drm_i915_private *dev_priv)
        tmp |= FDI_MPHY_IOSFSB_RESET_CTL;
        I915_WRITE(SOUTH_CHICKEN2, tmp);
 
-       if (wait_for_atomic_us(I915_READ(SOUTH_CHICKEN2) &
-                              FDI_MPHY_IOSFSB_RESET_STATUS, 100))
+       if (wait_for_us(I915_READ(SOUTH_CHICKEN2) &
+                       FDI_MPHY_IOSFSB_RESET_STATUS, 100))
                DRM_ERROR("FDI mPHY reset assert timeout\n");
 
        tmp = I915_READ(SOUTH_CHICKEN2);
        tmp &= ~FDI_MPHY_IOSFSB_RESET_CTL;
        I915_WRITE(SOUTH_CHICKEN2, tmp);
 
-       if (wait_for_atomic_us((I915_READ(SOUTH_CHICKEN2) &
-                               FDI_MPHY_IOSFSB_RESET_STATUS) == 0, 100))
+       if (wait_for_us((I915_READ(SOUTH_CHICKEN2) &
+                        FDI_MPHY_IOSFSB_RESET_STATUS) == 0, 100))
                DRM_ERROR("FDI mPHY reset de-assert timeout\n");
 }
 
@@ -8524,7 +8667,7 @@ static void lpt_program_fdi_mphy(struct drm_i915_private *dev_priv)
 static void lpt_enable_clkout_dp(struct drm_device *dev, bool with_spread,
                                 bool with_fdi)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        uint32_t reg, tmp;
 
        if (WARN(with_fdi && !with_spread, "FDI requires downspread\n"))
@@ -8563,7 +8706,7 @@ static void lpt_enable_clkout_dp(struct drm_device *dev, bool with_spread,
 /* Sequence to disable CLKOUT_DP */
 static void lpt_disable_clkout_dp(struct drm_device *dev)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        uint32_t reg, tmp;
 
        mutex_lock(&dev_priv->sb_lock);
@@ -8684,7 +8827,7 @@ void intel_init_pch_refclk(struct drm_device *dev)
 
 static void ironlake_set_pipeconf(struct drm_crtc *crtc)
 {
-       struct drm_i915_private *dev_priv = crtc->dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(crtc->dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        int pipe = intel_crtc->pipe;
        uint32_t val;
@@ -8726,7 +8869,7 @@ static void ironlake_set_pipeconf(struct drm_crtc *crtc)
 
 static void haswell_set_pipeconf(struct drm_crtc *crtc)
 {
-       struct drm_i915_private *dev_priv = crtc->dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(crtc->dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder;
        u32 val = 0;
@@ -8745,7 +8888,7 @@ static void haswell_set_pipeconf(struct drm_crtc *crtc)
 
 static void haswell_set_pipemisc(struct drm_crtc *crtc)
 {
-       struct drm_i915_private *dev_priv = crtc->dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(crtc->dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 
        if (IS_BROADWELL(dev_priv) || INTEL_INFO(dev_priv)->gen >= 9) {
@@ -8794,11 +8937,11 @@ static bool ironlake_needs_fb_cb_tune(struct dpll *dpll, int factor)
 
 static void ironlake_compute_dpll(struct intel_crtc *intel_crtc,
                                  struct intel_crtc_state *crtc_state,
-                                 intel_clock_t *reduced_clock)
+                                 struct dpll *reduced_clock)
 {
        struct drm_crtc *crtc = &intel_crtc->base;
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct drm_atomic_state *state = crtc_state->base.state;
        struct drm_connector *connector;
        struct drm_connector_state *connector_state;
@@ -8901,11 +9044,11 @@ static int ironlake_crtc_compute_clock(struct intel_crtc *crtc,
                                       struct intel_crtc_state *crtc_state)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
-       intel_clock_t reduced_clock;
+       struct drm_i915_private *dev_priv = to_i915(dev);
+       struct dpll reduced_clock;
        bool has_reduced_clock = false;
        struct intel_shared_dpll *pll;
-       const intel_limit_t *limit;
+       const struct intel_limit *limit;
        int refclk = 120000;
 
        memset(&crtc_state->dpll_hw_state, 0,
@@ -8967,7 +9110,7 @@ static void intel_pch_transcoder_get_m_n(struct intel_crtc *crtc,
                                         struct intel_link_m_n *m_n)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        enum pipe pipe = crtc->pipe;
 
        m_n->link_m = I915_READ(PCH_TRANS_LINK_M1(pipe));
@@ -8985,7 +9128,7 @@ static void intel_cpu_transcoder_get_m_n(struct intel_crtc *crtc,
                                         struct intel_link_m_n *m2_n2)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        enum pipe pipe = crtc->pipe;
 
        if (INTEL_INFO(dev)->gen >= 5) {
@@ -9043,7 +9186,7 @@ static void skylake_get_pfit_config(struct intel_crtc *crtc,
                                    struct intel_crtc_state *pipe_config)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc_scaler_state *scaler_state = &pipe_config->scaler_state;
        uint32_t ps_ctrl = 0;
        int id = -1;
@@ -9074,7 +9217,7 @@ skylake_get_initial_plane_config(struct intel_crtc *crtc,
                                 struct intel_initial_plane_config *plane_config)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        u32 val, base, offset, stride_mult, tiling;
        int pipe = crtc->pipe;
        int fourcc, pixel_format;
@@ -9157,7 +9300,7 @@ static void ironlake_get_pfit_config(struct intel_crtc *crtc,
                                     struct intel_crtc_state *pipe_config)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        uint32_t tmp;
 
        tmp = I915_READ(PF_CTL(crtc->pipe));
@@ -9182,7 +9325,7 @@ ironlake_get_initial_plane_config(struct intel_crtc *crtc,
                                  struct intel_initial_plane_config *plane_config)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        u32 val, base, offset;
        int pipe = crtc->pipe;
        int fourcc, pixel_format;
@@ -9250,7 +9393,7 @@ static bool ironlake_get_pipe_config(struct intel_crtc *crtc,
                                     struct intel_crtc_state *pipe_config)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        enum intel_display_power_domain power_domain;
        uint32_t tmp;
        bool ret;
@@ -9300,6 +9443,10 @@ static bool ironlake_get_pipe_config(struct intel_crtc *crtc,
                ironlake_get_fdi_m_n_config(crtc, pipe_config);
 
                if (HAS_PCH_IBX(dev_priv)) {
+                       /*
+                        * The pipe->pch transcoder and pch transcoder->pll
+                        * mapping is fixed.
+                        */
                        pll_id = (enum intel_dpll_id) crtc->pipe;
                } else {
                        tmp = I915_READ(PCH_DPLL_SEL);
@@ -9420,8 +9567,8 @@ static void hsw_disable_lcpll(struct drm_i915_private *dev_priv,
                val |= LCPLL_CD_SOURCE_FCLK;
                I915_WRITE(LCPLL_CTL, val);
 
-               if (wait_for_atomic_us(I915_READ(LCPLL_CTL) &
-                                      LCPLL_CD_SOURCE_FCLK_DONE, 1))
+               if (wait_for_us(I915_READ(LCPLL_CTL) &
+                               LCPLL_CD_SOURCE_FCLK_DONE, 1))
                        DRM_ERROR("Switching to FCLK failed\n");
 
                val = I915_READ(LCPLL_CTL);
@@ -9431,7 +9578,7 @@ static void hsw_disable_lcpll(struct drm_i915_private *dev_priv,
        I915_WRITE(LCPLL_CTL, val);
        POSTING_READ(LCPLL_CTL);
 
-       if (wait_for((I915_READ(LCPLL_CTL) & LCPLL_PLL_LOCK) == 0, 1))
+       if (intel_wait_for_register(dev_priv, LCPLL_CTL, LCPLL_PLL_LOCK, 0, 1))
                DRM_ERROR("LCPLL still locked\n");
 
        val = hsw_read_dcomp(dev_priv);
@@ -9486,7 +9633,9 @@ static void hsw_restore_lcpll(struct drm_i915_private *dev_priv)
        val &= ~LCPLL_PLL_DISABLE;
        I915_WRITE(LCPLL_CTL, val);
 
-       if (wait_for(I915_READ(LCPLL_CTL) & LCPLL_PLL_LOCK, 5))
+       if (intel_wait_for_register(dev_priv,
+                                   LCPLL_CTL, LCPLL_PLL_LOCK, LCPLL_PLL_LOCK,
+                                   5))
                DRM_ERROR("LCPLL not locked yet\n");
 
        if (val & LCPLL_CD_SOURCE_FCLK) {
@@ -9494,8 +9643,8 @@ static void hsw_restore_lcpll(struct drm_i915_private *dev_priv)
                val &= ~LCPLL_CD_SOURCE_FCLK;
                I915_WRITE(LCPLL_CTL, val);
 
-               if (wait_for_atomic_us((I915_READ(LCPLL_CTL) &
-                                       LCPLL_CD_SOURCE_FCLK_DONE) == 0, 1))
+               if (wait_for_us((I915_READ(LCPLL_CTL) &
+                                LCPLL_CD_SOURCE_FCLK_DONE) == 0, 1))
                        DRM_ERROR("Switching back to LCPLL failed\n");
        }
 
@@ -9560,21 +9709,21 @@ void hsw_disable_pc8(struct drm_i915_private *dev_priv)
        }
 }
 
-static void broxton_modeset_commit_cdclk(struct drm_atomic_state *old_state)
+static void bxt_modeset_commit_cdclk(struct drm_atomic_state *old_state)
 {
        struct drm_device *dev = old_state->dev;
        struct intel_atomic_state *old_intel_state =
                to_intel_atomic_state(old_state);
        unsigned int req_cdclk = old_intel_state->dev_cdclk;
 
-       broxton_set_cdclk(to_i915(dev), req_cdclk);
+       bxt_set_cdclk(to_i915(dev), req_cdclk);
 }
 
 /* compute the max rate for new configuration */
 static int ilk_max_pixel_rate(struct drm_atomic_state *state)
 {
        struct intel_atomic_state *intel_state = to_intel_atomic_state(state);
-       struct drm_i915_private *dev_priv = state->dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(state->dev);
        struct drm_crtc *crtc;
        struct drm_crtc_state *cstate;
        struct intel_crtc_state *crtc_state;
@@ -9610,7 +9759,7 @@ static int ilk_max_pixel_rate(struct drm_atomic_state *state)
 
 static void broadwell_set_cdclk(struct drm_device *dev, int cdclk)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        uint32_t val, data;
        int ret;
 
@@ -9687,6 +9836,18 @@ static void broadwell_set_cdclk(struct drm_device *dev, int cdclk)
             cdclk, dev_priv->cdclk_freq);
 }
 
+static int broadwell_calc_cdclk(int max_pixclk)
+{
+       if (max_pixclk > 540000)
+               return 675000;
+       else if (max_pixclk > 450000)
+               return 540000;
+       else if (max_pixclk > 337500)
+               return 450000;
+       else
+               return 337500;
+}
+
 static int broadwell_modeset_calc_cdclk(struct drm_atomic_state *state)
 {
        struct drm_i915_private *dev_priv = to_i915(state->dev);
@@ -9698,14 +9859,7 @@ static int broadwell_modeset_calc_cdclk(struct drm_atomic_state *state)
         * FIXME should also account for plane ratio
         * once 64bpp pixel formats are supported.
         */
-       if (max_pixclk > 540000)
-               cdclk = 675000;
-       else if (max_pixclk > 450000)
-               cdclk = 540000;
-       else if (max_pixclk > 337500)
-               cdclk = 450000;
-       else
-               cdclk = 337500;
+       cdclk = broadwell_calc_cdclk(max_pixclk);
 
        if (cdclk > dev_priv->max_cdclk_freq) {
                DRM_DEBUG_KMS("requested cdclk (%d kHz) exceeds max (%d kHz)\n",
@@ -9715,7 +9869,7 @@ static int broadwell_modeset_calc_cdclk(struct drm_atomic_state *state)
 
        intel_state->cdclk = intel_state->dev_cdclk = cdclk;
        if (!intel_state->active_crtcs)
-               intel_state->dev_cdclk = 337500;
+               intel_state->dev_cdclk = broadwell_calc_cdclk(0);
 
        return 0;
 }
@@ -9730,6 +9884,47 @@ static void broadwell_modeset_commit_cdclk(struct drm_atomic_state *old_state)
        broadwell_set_cdclk(dev, req_cdclk);
 }
 
+static int skl_modeset_calc_cdclk(struct drm_atomic_state *state)
+{
+       struct intel_atomic_state *intel_state = to_intel_atomic_state(state);
+       struct drm_i915_private *dev_priv = to_i915(state->dev);
+       const int max_pixclk = ilk_max_pixel_rate(state);
+       int vco = intel_state->cdclk_pll_vco;
+       int cdclk;
+
+       /*
+        * FIXME should also account for plane ratio
+        * once 64bpp pixel formats are supported.
+        */
+       cdclk = skl_calc_cdclk(max_pixclk, vco);
+
+       /*
+        * FIXME move the cdclk caclulation to
+        * compute_config() so we can fail gracegully.
+        */
+       if (cdclk > dev_priv->max_cdclk_freq) {
+               DRM_ERROR("requested cdclk (%d kHz) exceeds max (%d kHz)\n",
+                         cdclk, dev_priv->max_cdclk_freq);
+               cdclk = dev_priv->max_cdclk_freq;
+       }
+
+       intel_state->cdclk = intel_state->dev_cdclk = cdclk;
+       if (!intel_state->active_crtcs)
+               intel_state->dev_cdclk = skl_calc_cdclk(0, vco);
+
+       return 0;
+}
+
+static void skl_modeset_commit_cdclk(struct drm_atomic_state *old_state)
+{
+       struct drm_i915_private *dev_priv = to_i915(old_state->dev);
+       struct intel_atomic_state *intel_state = to_intel_atomic_state(old_state);
+       unsigned int req_cdclk = intel_state->dev_cdclk;
+       unsigned int req_vco = intel_state->cdclk_pll_vco;
+
+       skl_set_cdclk(dev_priv, req_cdclk, req_vco);
+}
+
 static int haswell_crtc_compute_clock(struct intel_crtc *crtc,
                                      struct intel_crtc_state *crtc_state)
 {
@@ -9846,10 +10041,14 @@ static bool hsw_get_transcoder_state(struct intel_crtc *crtc,
                                     unsigned long *power_domain_mask)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        enum intel_display_power_domain power_domain;
        u32 tmp;
 
+       /*
+        * The pipe->transcoder mapping is fixed with the exception of the eDP
+        * transcoder handled below.
+        */
        pipe_config->cpu_transcoder = (enum transcoder) crtc->pipe;
 
        /*
@@ -9893,7 +10092,7 @@ static bool bxt_get_dsi_transcoder_state(struct intel_crtc *crtc,
                                         unsigned long *power_domain_mask)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        enum intel_display_power_domain power_domain;
        enum port port;
        enum transcoder cpu_transcoder;
@@ -9943,7 +10142,7 @@ static void haswell_get_ddi_port_state(struct intel_crtc *crtc,
                                       struct intel_crtc_state *pipe_config)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_shared_dpll *pll;
        enum port port;
        uint32_t tmp;
@@ -9986,7 +10185,7 @@ static bool haswell_get_pipe_config(struct intel_crtc *crtc,
                                    struct intel_crtc_state *pipe_config)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        enum intel_display_power_domain power_domain;
        unsigned long power_domain_mask;
        bool active;
@@ -10062,7 +10261,7 @@ static void i845_update_cursor(struct drm_crtc *crtc, u32 base,
                               const struct intel_plane_state *plane_state)
 {
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        uint32_t cntl = 0, size = 0;
 
@@ -10125,7 +10324,7 @@ static void i9xx_update_cursor(struct drm_crtc *crtc, u32 base,
                               const struct intel_plane_state *plane_state)
 {
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        int pipe = intel_crtc->pipe;
        uint32_t cntl = 0;
@@ -10173,7 +10372,7 @@ static void intel_crtc_update_cursor(struct drm_crtc *crtc,
                                     const struct intel_plane_state *plane_state)
 {
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        int pipe = intel_crtc->pipe;
        u32 base = intel_crtc->cursor_addr;
@@ -10317,10 +10516,10 @@ intel_framebuffer_create_for_mode(struct drm_device *dev,
        struct drm_i915_gem_object *obj;
        struct drm_mode_fb_cmd2 mode_cmd = { 0 };
 
-       obj = i915_gem_alloc_object(dev,
+       obj = i915_gem_object_create(dev,
                                    intel_framebuffer_size_for_mode(mode, bpp));
-       if (obj == NULL)
-               return ERR_PTR(-ENOMEM);
+       if (IS_ERR(obj))
+               return ERR_CAST(obj);
 
        mode_cmd.width = mode->hdisplay;
        mode_cmd.height = mode->vdisplay;
@@ -10340,7 +10539,7 @@ mode_fits_in_fbdev(struct drm_device *dev,
                   struct drm_display_mode *mode)
 {
 #ifdef CONFIG_DRM_FBDEV_EMULATION
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct drm_i915_gem_object *obj;
        struct drm_framebuffer *fb;
 
@@ -10610,7 +10809,7 @@ void intel_release_load_detect_pipe(struct drm_connector *connector,
 static int i9xx_pll_refclk(struct drm_device *dev,
                           const struct intel_crtc_state *pipe_config)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        u32 dpll = pipe_config->dpll_hw_state.dpll;
 
        if ((dpll & PLL_REF_INPUT_MASK) == PLLB_REF_INPUT_SPREADSPECTRUMIN)
@@ -10628,11 +10827,11 @@ static void i9xx_crtc_clock_get(struct intel_crtc *crtc,
                                struct intel_crtc_state *pipe_config)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        int pipe = pipe_config->cpu_transcoder;
        u32 dpll = pipe_config->dpll_hw_state.dpll;
        u32 fp;
-       intel_clock_t clock;
+       struct dpll clock;
        int port_clock;
        int refclk = i9xx_pll_refclk(dev, pipe_config);
 
@@ -10754,7 +10953,7 @@ static void ironlake_pch_clock_get(struct intel_crtc *crtc,
 struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,
                                             struct drm_crtc *crtc)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder;
        struct drm_display_mode *mode;
@@ -10806,48 +11005,20 @@ struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,
        return mode;
 }
 
-void intel_mark_busy(struct drm_device *dev)
-{
-       struct drm_i915_private *dev_priv = dev->dev_private;
-
-       if (dev_priv->mm.busy)
-               return;
-
-       intel_runtime_pm_get(dev_priv);
-       i915_update_gfx_val(dev_priv);
-       if (INTEL_INFO(dev)->gen >= 6)
-               gen6_rps_busy(dev_priv);
-       dev_priv->mm.busy = true;
-}
-
-void intel_mark_idle(struct drm_device *dev)
-{
-       struct drm_i915_private *dev_priv = dev->dev_private;
-
-       if (!dev_priv->mm.busy)
-               return;
-
-       dev_priv->mm.busy = false;
-
-       if (INTEL_INFO(dev)->gen >= 6)
-               gen6_rps_idle(dev->dev_private);
-
-       intel_runtime_pm_put(dev_priv);
-}
-
 static void intel_crtc_destroy(struct drm_crtc *crtc)
 {
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        struct drm_device *dev = crtc->dev;
-       struct intel_unpin_work *work;
+       struct intel_flip_work *work;
 
        spin_lock_irq(&dev->event_lock);
-       work = intel_crtc->unpin_work;
-       intel_crtc->unpin_work = NULL;
+       work = intel_crtc->flip_work;
+       intel_crtc->flip_work = NULL;
        spin_unlock_irq(&dev->event_lock);
 
        if (work) {
-               cancel_work_sync(&work->work);
+               cancel_work_sync(&work->mmio_work);
+               cancel_work_sync(&work->unpin_work);
                kfree(work);
        }
 
@@ -10858,12 +11029,15 @@ static void intel_crtc_destroy(struct drm_crtc *crtc)
 
 static void intel_unpin_work_fn(struct work_struct *__work)
 {
-       struct intel_unpin_work *work =
-               container_of(__work, struct intel_unpin_work, work);
+       struct intel_flip_work *work =
+               container_of(__work, struct intel_flip_work, unpin_work);
        struct intel_crtc *crtc = to_intel_crtc(work->crtc);
        struct drm_device *dev = crtc->base.dev;
        struct drm_plane *primary = crtc->base.primary;
 
+       if (is_mmio_work(work))
+               flush_work(&work->mmio_work);
+
        mutex_lock(&dev->struct_mutex);
        intel_unpin_fb_obj(work->old_fb, primary->state->rotation);
        drm_gem_object_unreference(&work->pending_flip_obj->base);
@@ -10882,63 +11056,17 @@ static void intel_unpin_work_fn(struct work_struct *__work)
        kfree(work);
 }
 
-static void do_intel_finish_page_flip(struct drm_device *dev,
-                                     struct drm_crtc *crtc)
-{
-       struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-       struct intel_unpin_work *work;
-       unsigned long flags;
-
-       /* Ignore early vblank irqs */
-       if (intel_crtc == NULL)
-               return;
-
-       /*
-        * This is called both by irq handlers and the reset code (to complete
-        * lost pageflips) so needs the full irqsave spinlocks.
-        */
-       spin_lock_irqsave(&dev->event_lock, flags);
-       work = intel_crtc->unpin_work;
-
-       /* Ensure we don't miss a work->pending update ... */
-       smp_rmb();
-
-       if (work == NULL || atomic_read(&work->pending) < INTEL_FLIP_COMPLETE) {
-               spin_unlock_irqrestore(&dev->event_lock, flags);
-               return;
-       }
-
-       page_flip_completed(intel_crtc);
-
-       spin_unlock_irqrestore(&dev->event_lock, flags);
-}
-
-void intel_finish_page_flip(struct drm_device *dev, int pipe)
-{
-       struct drm_i915_private *dev_priv = dev->dev_private;
-       struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe];
-
-       do_intel_finish_page_flip(dev, crtc);
-}
-
-void intel_finish_page_flip_plane(struct drm_device *dev, int plane)
-{
-       struct drm_i915_private *dev_priv = dev->dev_private;
-       struct drm_crtc *crtc = dev_priv->plane_to_crtc_mapping[plane];
-
-       do_intel_finish_page_flip(dev, crtc);
-}
-
 /* Is 'a' after or equal to 'b'? */
 static bool g4x_flip_count_after_eq(u32 a, u32 b)
 {
        return !((a - b) & 0x80000000);
 }
 
-static bool page_flip_finished(struct intel_crtc *crtc)
+static bool __pageflip_finished_cs(struct intel_crtc *crtc,
+                                  struct intel_flip_work *work)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        unsigned reset_counter;
 
        reset_counter = i915_reset_counter(&dev_priv->gpu_error);
@@ -10977,40 +11105,103 @@ static bool page_flip_finished(struct intel_crtc *crtc)
         * anyway, we don't really care.
         */
        return (I915_READ(DSPSURFLIVE(crtc->plane)) & ~0xfff) ==
-               crtc->unpin_work->gtt_offset &&
+               crtc->flip_work->gtt_offset &&
                g4x_flip_count_after_eq(I915_READ(PIPE_FLIPCOUNT_G4X(crtc->pipe)),
-                                   crtc->unpin_work->flip_count);
+                                   crtc->flip_work->flip_count);
 }
 
-void intel_prepare_page_flip(struct drm_device *dev, int plane)
+static bool
+__pageflip_finished_mmio(struct intel_crtc *crtc,
+                              struct intel_flip_work *work)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_crtc *intel_crtc =
-               to_intel_crtc(dev_priv->plane_to_crtc_mapping[plane]);
+       /*
+        * MMIO work completes when vblank is different from
+        * flip_queued_vblank.
+        *
+        * Reset counter value doesn't matter, this is handled by
+        * i915_wait_request finishing early, so no need to handle
+        * reset here.
+        */
+       return intel_crtc_get_vblank_counter(crtc) != work->flip_queued_vblank;
+}
+
+
+static bool pageflip_finished(struct intel_crtc *crtc,
+                             struct intel_flip_work *work)
+{
+       if (!atomic_read(&work->pending))
+               return false;
+
+       smp_rmb();
+
+       if (is_mmio_work(work))
+               return __pageflip_finished_mmio(crtc, work);
+       else
+               return __pageflip_finished_cs(crtc, work);
+}
+
+void intel_finish_page_flip_cs(struct drm_i915_private *dev_priv, int pipe)
+{
+       struct drm_device *dev = dev_priv->dev;
+       struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe];
+       struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+       struct intel_flip_work *work;
        unsigned long flags;
 
+       /* Ignore early vblank irqs */
+       if (!crtc)
+               return;
+
+       /*
+        * This is called both by irq handlers and the reset code (to complete
+        * lost pageflips) so needs the full irqsave spinlocks.
+        */
+       spin_lock_irqsave(&dev->event_lock, flags);
+       work = intel_crtc->flip_work;
+
+       if (work != NULL &&
+           !is_mmio_work(work) &&
+           pageflip_finished(intel_crtc, work))
+               page_flip_completed(intel_crtc);
+
+       spin_unlock_irqrestore(&dev->event_lock, flags);
+}
+
+void intel_finish_page_flip_mmio(struct drm_i915_private *dev_priv, int pipe)
+{
+       struct drm_device *dev = dev_priv->dev;
+       struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe];
+       struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+       struct intel_flip_work *work;
+       unsigned long flags;
+
+       /* Ignore early vblank irqs */
+       if (!crtc)
+               return;
 
        /*
         * This is called both by irq handlers and the reset code (to complete
         * lost pageflips) so needs the full irqsave spinlocks.
-        *
-        * NB: An MMIO update of the plane base pointer will also
-        * generate a page-flip completion irq, i.e. every modeset
-        * is also accompanied by a spurious intel_prepare_page_flip().
         */
        spin_lock_irqsave(&dev->event_lock, flags);
-       if (intel_crtc->unpin_work && page_flip_finished(intel_crtc))
-               atomic_inc_not_zero(&intel_crtc->unpin_work->pending);
+       work = intel_crtc->flip_work;
+
+       if (work != NULL &&
+           is_mmio_work(work) &&
+           pageflip_finished(intel_crtc, work))
+               page_flip_completed(intel_crtc);
+
        spin_unlock_irqrestore(&dev->event_lock, flags);
 }
 
-static inline void intel_mark_page_flip_active(struct intel_unpin_work *work)
+static inline void intel_mark_page_flip_active(struct intel_crtc *crtc,
+                                              struct intel_flip_work *work)
 {
+       work->flip_queued_vblank = intel_crtc_get_vblank_counter(crtc);
+
        /* Ensure that the work item is consistent when activating it ... */
-       smp_wmb();
-       atomic_set(&work->pending, INTEL_FLIP_PENDING);
-       /* and that it is marked active as soon as the irq could fire. */
-       smp_wmb();
+       smp_mb__before_atomic();
+       atomic_set(&work->pending, 1);
 }
 
 static int intel_gen2_queue_flip(struct drm_device *dev,
@@ -11041,10 +11232,9 @@ static int intel_gen2_queue_flip(struct drm_device *dev,
        intel_ring_emit(engine, MI_DISPLAY_FLIP |
                        MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
        intel_ring_emit(engine, fb->pitches[0]);
-       intel_ring_emit(engine, intel_crtc->unpin_work->gtt_offset);
+       intel_ring_emit(engine, intel_crtc->flip_work->gtt_offset);
        intel_ring_emit(engine, 0); /* aux display base address, unused */
 
-       intel_mark_page_flip_active(intel_crtc->unpin_work);
        return 0;
 }
 
@@ -11073,10 +11263,9 @@ static int intel_gen3_queue_flip(struct drm_device *dev,
        intel_ring_emit(engine, MI_DISPLAY_FLIP_I915 |
                        MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
        intel_ring_emit(engine, fb->pitches[0]);
-       intel_ring_emit(engine, intel_crtc->unpin_work->gtt_offset);
+       intel_ring_emit(engine, intel_crtc->flip_work->gtt_offset);
        intel_ring_emit(engine, MI_NOOP);
 
-       intel_mark_page_flip_active(intel_crtc->unpin_work);
        return 0;
 }
 
@@ -11088,7 +11277,7 @@ static int intel_gen4_queue_flip(struct drm_device *dev,
                                 uint32_t flags)
 {
        struct intel_engine_cs *engine = req->engine;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        uint32_t pf, pipesrc;
        int ret;
@@ -11104,7 +11293,7 @@ static int intel_gen4_queue_flip(struct drm_device *dev,
        intel_ring_emit(engine, MI_DISPLAY_FLIP |
                        MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
        intel_ring_emit(engine, fb->pitches[0]);
-       intel_ring_emit(engine, intel_crtc->unpin_work->gtt_offset |
+       intel_ring_emit(engine, intel_crtc->flip_work->gtt_offset |
                        obj->tiling_mode);
 
        /* XXX Enabling the panel-fitter across page-flip is so far
@@ -11115,7 +11304,6 @@ static int intel_gen4_queue_flip(struct drm_device *dev,
        pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff;
        intel_ring_emit(engine, pf | pipesrc);
 
-       intel_mark_page_flip_active(intel_crtc->unpin_work);
        return 0;
 }
 
@@ -11127,7 +11315,7 @@ static int intel_gen6_queue_flip(struct drm_device *dev,
                                 uint32_t flags)
 {
        struct intel_engine_cs *engine = req->engine;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        uint32_t pf, pipesrc;
        int ret;
@@ -11139,7 +11327,7 @@ static int intel_gen6_queue_flip(struct drm_device *dev,
        intel_ring_emit(engine, MI_DISPLAY_FLIP |
                        MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
        intel_ring_emit(engine, fb->pitches[0] | obj->tiling_mode);
-       intel_ring_emit(engine, intel_crtc->unpin_work->gtt_offset);
+       intel_ring_emit(engine, intel_crtc->flip_work->gtt_offset);
 
        /* Contrary to the suggestions in the documentation,
         * "Enable Panel Fitter" does not seem to be required when page
@@ -11151,7 +11339,6 @@ static int intel_gen6_queue_flip(struct drm_device *dev,
        pipesrc = I915_READ(PIPESRC(intel_crtc->pipe)) & 0x0fff0fff;
        intel_ring_emit(engine, pf | pipesrc);
 
-       intel_mark_page_flip_active(intel_crtc->unpin_work);
        return 0;
 }
 
@@ -11243,16 +11430,17 @@ static int intel_gen7_queue_flip(struct drm_device *dev,
 
        intel_ring_emit(engine, MI_DISPLAY_FLIP_I915 | plane_bit);
        intel_ring_emit(engine, (fb->pitches[0] | obj->tiling_mode));
-       intel_ring_emit(engine, intel_crtc->unpin_work->gtt_offset);
+       intel_ring_emit(engine, intel_crtc->flip_work->gtt_offset);
        intel_ring_emit(engine, (MI_NOOP));
 
-       intel_mark_page_flip_active(intel_crtc->unpin_work);
        return 0;
 }
 
 static bool use_mmio_flip(struct intel_engine_cs *engine,
                          struct drm_i915_gem_object *obj)
 {
+       struct reservation_object *resv;
+
        /*
         * This is not being used for older platforms, because
         * non-availability of flip done interrupt forces us to use
@@ -11264,7 +11452,7 @@ static bool use_mmio_flip(struct intel_engine_cs *engine,
        if (engine == NULL)
                return true;
 
-       if (INTEL_INFO(engine->dev)->gen < 5)
+       if (INTEL_GEN(engine->i915) < 5)
                return false;
 
        if (i915.use_mmio_flip < 0)
@@ -11273,20 +11461,20 @@ static bool use_mmio_flip(struct intel_engine_cs *engine,
                return true;
        else if (i915.enable_execlists)
                return true;
-       else if (obj->base.dma_buf &&
-                !reservation_object_test_signaled_rcu(obj->base.dma_buf->resv,
-                                                      false))
+
+       resv = i915_gem_object_get_dmabuf_resv(obj);
+       if (resv && !reservation_object_test_signaled_rcu(resv, false))
                return true;
-       else
-               return engine != i915_gem_request_get_engine(obj->last_write_req);
+
+       return engine != i915_gem_request_get_engine(obj->last_write_req);
 }
 
 static void skl_do_mmio_flip(struct intel_crtc *intel_crtc,
                             unsigned int rotation,
-                            struct intel_unpin_work *work)
+                            struct intel_flip_work *work)
 {
        struct drm_device *dev = intel_crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct drm_framebuffer *fb = intel_crtc->base.primary->fb;
        const enum pipe pipe = intel_crtc->pipe;
        u32 ctl, stride, tile_height;
@@ -11335,10 +11523,10 @@ static void skl_do_mmio_flip(struct intel_crtc *intel_crtc,
 }
 
 static void ilk_do_mmio_flip(struct intel_crtc *intel_crtc,
-                            struct intel_unpin_work *work)
+                            struct intel_flip_work *work)
 {
        struct drm_device *dev = intel_crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_framebuffer *intel_fb =
                to_intel_framebuffer(intel_crtc->base.primary->fb);
        struct drm_i915_gem_object *obj = intel_fb->obj;
@@ -11358,78 +11546,37 @@ static void ilk_do_mmio_flip(struct intel_crtc *intel_crtc,
        POSTING_READ(DSPSURF(intel_crtc->plane));
 }
 
-/*
- * XXX: This is the temporary way to update the plane registers until we get
- * around to using the usual plane update functions for MMIO flips
- */
-static void intel_do_mmio_flip(struct intel_mmio_flip *mmio_flip)
+static void intel_mmio_flip_work_func(struct work_struct *w)
 {
-       struct intel_crtc *crtc = mmio_flip->crtc;
-       struct intel_unpin_work *work;
+       struct intel_flip_work *work =
+               container_of(w, struct intel_flip_work, mmio_work);
+       struct intel_crtc *crtc = to_intel_crtc(work->crtc);
+       struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
+       struct intel_framebuffer *intel_fb =
+               to_intel_framebuffer(crtc->base.primary->fb);
+       struct drm_i915_gem_object *obj = intel_fb->obj;
+       struct reservation_object *resv;
 
-       spin_lock_irq(&crtc->base.dev->event_lock);
-       work = crtc->unpin_work;
-       spin_unlock_irq(&crtc->base.dev->event_lock);
-       if (work == NULL)
-               return;
+       if (work->flip_queued_req)
+               WARN_ON(__i915_wait_request(work->flip_queued_req,
+                                           false, NULL,
+                                           &dev_priv->rps.mmioflips));
 
-       intel_mark_page_flip_active(work);
+       /* For framebuffer backed by dmabuf, wait for fence */
+       resv = i915_gem_object_get_dmabuf_resv(obj);
+       if (resv)
+               WARN_ON(reservation_object_wait_timeout_rcu(resv, false, false,
+                                                           MAX_SCHEDULE_TIMEOUT) < 0);
 
        intel_pipe_update_start(crtc);
 
-       if (INTEL_INFO(mmio_flip->i915)->gen >= 9)
-               skl_do_mmio_flip(crtc, mmio_flip->rotation, work);
+       if (INTEL_GEN(dev_priv) >= 9)
+               skl_do_mmio_flip(crtc, work->rotation, work);
        else
                /* use_mmio_flip() retricts MMIO flips to ilk+ */
                ilk_do_mmio_flip(crtc, work);
 
-       intel_pipe_update_end(crtc);
-}
-
-static void intel_mmio_flip_work_func(struct work_struct *work)
-{
-       struct intel_mmio_flip *mmio_flip =
-               container_of(work, struct intel_mmio_flip, work);
-       struct intel_framebuffer *intel_fb =
-               to_intel_framebuffer(mmio_flip->crtc->base.primary->fb);
-       struct drm_i915_gem_object *obj = intel_fb->obj;
-
-       if (mmio_flip->req) {
-               WARN_ON(__i915_wait_request(mmio_flip->req,
-                                           false, NULL,
-                                           &mmio_flip->i915->rps.mmioflips));
-               i915_gem_request_unreference__unlocked(mmio_flip->req);
-       }
-
-       /* For framebuffer backed by dmabuf, wait for fence */
-       if (obj->base.dma_buf)
-               WARN_ON(reservation_object_wait_timeout_rcu(obj->base.dma_buf->resv,
-                                                           false, false,
-                                                           MAX_SCHEDULE_TIMEOUT) < 0);
-
-       intel_do_mmio_flip(mmio_flip);
-       kfree(mmio_flip);
-}
-
-static int intel_queue_mmio_flip(struct drm_device *dev,
-                                struct drm_crtc *crtc,
-                                struct drm_i915_gem_object *obj)
-{
-       struct intel_mmio_flip *mmio_flip;
-
-       mmio_flip = kmalloc(sizeof(*mmio_flip), GFP_KERNEL);
-       if (mmio_flip == NULL)
-               return -ENOMEM;
-
-       mmio_flip->i915 = to_i915(dev);
-       mmio_flip->req = i915_gem_request_reference(obj->last_write_req);
-       mmio_flip->crtc = to_intel_crtc(crtc);
-       mmio_flip->rotation = crtc->primary->state->rotation;
-
-       INIT_WORK(&mmio_flip->work, intel_mmio_flip_work_func);
-       schedule_work(&mmio_flip->work);
-
-       return 0;
+       intel_pipe_update_end(crtc, work);
 }
 
 static int intel_default_queue_flip(struct drm_device *dev,
@@ -11442,37 +11589,32 @@ static int intel_default_queue_flip(struct drm_device *dev,
        return -ENODEV;
 }
 
-static bool __intel_pageflip_stall_check(struct drm_device *dev,
-                                        struct drm_crtc *crtc)
+static bool __pageflip_stall_check_cs(struct drm_i915_private *dev_priv,
+                                     struct intel_crtc *intel_crtc,
+                                     struct intel_flip_work *work)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-       struct intel_unpin_work *work = intel_crtc->unpin_work;
-       u32 addr;
-
-       if (atomic_read(&work->pending) >= INTEL_FLIP_COMPLETE)
-               return true;
+       u32 addr, vblank;
 
-       if (atomic_read(&work->pending) < INTEL_FLIP_PENDING)
+       if (!atomic_read(&work->pending))
                return false;
 
-       if (!work->enable_stall_check)
-               return false;
+       smp_rmb();
 
+       vblank = intel_crtc_get_vblank_counter(intel_crtc);
        if (work->flip_ready_vblank == 0) {
                if (work->flip_queued_req &&
-                   !i915_gem_request_completed(work->flip_queued_req, true))
+                   !i915_gem_request_completed(work->flip_queued_req))
                        return false;
 
-               work->flip_ready_vblank = drm_crtc_vblank_count(crtc);
+               work->flip_ready_vblank = vblank;
        }
 
-       if (drm_crtc_vblank_count(crtc) - work->flip_ready_vblank < 3)
+       if (vblank - work->flip_ready_vblank < 3)
                return false;
 
        /* Potential stall - if we see that the flip has happened,
         * assume a missed interrupt. */
-       if (INTEL_INFO(dev)->gen >= 4)
+       if (INTEL_GEN(dev_priv) >= 4)
                addr = I915_HI_DISPBASE(I915_READ(DSPSURF(intel_crtc->plane)));
        else
                addr = I915_READ(DSPADDR(intel_crtc->plane));
@@ -11484,12 +11626,12 @@ static bool __intel_pageflip_stall_check(struct drm_device *dev,
        return addr == work->gtt_offset;
 }
 
-void intel_check_page_flip(struct drm_device *dev, int pipe)
+void intel_check_page_flip(struct drm_i915_private *dev_priv, int pipe)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_device *dev = dev_priv->dev;
        struct drm_crtc *crtc = dev_priv->pipe_to_crtc_mapping[pipe];
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-       struct intel_unpin_work *work;
+       struct intel_flip_work *work;
 
        WARN_ON(!in_interrupt());
 
@@ -11497,16 +11639,20 @@ void intel_check_page_flip(struct drm_device *dev, int pipe)
                return;
 
        spin_lock(&dev->event_lock);
-       work = intel_crtc->unpin_work;
-       if (work != NULL && __intel_pageflip_stall_check(dev, crtc)) {
-               WARN_ONCE(1, "Kicking stuck page flip: queued at %d, now %d\n",
-                        work->flip_queued_vblank, drm_vblank_count(dev, pipe));
+       work = intel_crtc->flip_work;
+
+       if (work != NULL && !is_mmio_work(work) &&
+           __pageflip_stall_check_cs(dev_priv, intel_crtc, work)) {
+               WARN_ONCE(1,
+                         "Kicking stuck page flip: queued at %d, now %d\n",
+                       work->flip_queued_vblank, intel_crtc_get_vblank_counter(intel_crtc));
                page_flip_completed(intel_crtc);
                work = NULL;
        }
-       if (work != NULL &&
-           drm_vblank_count(dev, pipe) - work->flip_queued_vblank > 1)
-               intel_queue_rps_boost_for_request(dev, work->flip_queued_req);
+
+       if (work != NULL && !is_mmio_work(work) &&
+           intel_crtc_get_vblank_counter(intel_crtc) - work->flip_queued_vblank > 1)
+               intel_queue_rps_boost_for_request(work->flip_queued_req);
        spin_unlock(&dev->event_lock);
 }
 
@@ -11516,13 +11662,13 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
                                uint32_t page_flip_flags)
 {
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct drm_framebuffer *old_fb = crtc->primary->fb;
        struct drm_i915_gem_object *obj = intel_fb_obj(fb);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        struct drm_plane *primary = crtc->primary;
        enum pipe pipe = intel_crtc->pipe;
-       struct intel_unpin_work *work;
+       struct intel_flip_work *work;
        struct intel_engine_cs *engine;
        bool mmio_flip;
        struct drm_i915_gem_request *request = NULL;
@@ -11559,19 +11705,19 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
        work->event = event;
        work->crtc = crtc;
        work->old_fb = old_fb;
-       INIT_WORK(&work->work, intel_unpin_work_fn);
+       INIT_WORK(&work->unpin_work, intel_unpin_work_fn);
 
        ret = drm_crtc_vblank_get(crtc);
        if (ret)
                goto free_work;
 
-       /* We borrow the event spin lock for protecting unpin_work */
+       /* We borrow the event spin lock for protecting flip_work */
        spin_lock_irq(&dev->event_lock);
-       if (intel_crtc->unpin_work) {
+       if (intel_crtc->flip_work) {
                /* Before declaring the flip queue wedged, check if
                 * the hardware completed the operation behind our backs.
                 */
-               if (__intel_pageflip_stall_check(dev, crtc)) {
+               if (pageflip_finished(intel_crtc, intel_crtc->flip_work)) {
                        DRM_DEBUG_DRIVER("flip queue: previous flip completed, continuing\n");
                        page_flip_completed(intel_crtc);
                } else {
@@ -11583,7 +11729,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
                        return -EBUSY;
                }
        }
-       intel_crtc->unpin_work = work;
+       intel_crtc->flip_work = work;
        spin_unlock_irq(&dev->event_lock);
 
        if (atomic_read(&intel_crtc->unpin_work_count) >= 2)
@@ -11595,7 +11741,9 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
 
        crtc->primary->fb = fb;
        update_state_fb(crtc->primary);
-       intel_fbc_pre_update(intel_crtc);
+
+       intel_fbc_pre_update(intel_crtc, intel_crtc->config,
+                            to_intel_plane_state(primary->state));
 
        work->pending_flip_obj = obj;
 
@@ -11638,6 +11786,11 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
         */
        if (!mmio_flip) {
                ret = i915_gem_object_sync(obj, engine, &request);
+               if (!ret && !request) {
+                       request = i915_gem_request_alloc(engine, NULL);
+                       ret = PTR_ERR_OR_ZERO(request);
+               }
+
                if (ret)
                        goto cleanup_pending;
        }
@@ -11649,38 +11802,28 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
        work->gtt_offset = intel_plane_obj_offset(to_intel_plane(primary),
                                                  obj, 0);
        work->gtt_offset += intel_crtc->dspaddr_offset;
+       work->rotation = crtc->primary->state->rotation;
 
        if (mmio_flip) {
-               ret = intel_queue_mmio_flip(dev, crtc, obj);
-               if (ret)
-                       goto cleanup_unpin;
+               INIT_WORK(&work->mmio_work, intel_mmio_flip_work_func);
 
                i915_gem_request_assign(&work->flip_queued_req,
                                        obj->last_write_req);
-       } else {
-               if (!request) {
-                       request = i915_gem_request_alloc(engine, NULL);
-                       if (IS_ERR(request)) {
-                               ret = PTR_ERR(request);
-                               goto cleanup_unpin;
-                       }
-               }
 
+               schedule_work(&work->mmio_work);
+       } else {
+               i915_gem_request_assign(&work->flip_queued_req, request);
                ret = dev_priv->display.queue_flip(dev, crtc, fb, obj, request,
                                                   page_flip_flags);
                if (ret)
                        goto cleanup_unpin;
 
-               i915_gem_request_assign(&work->flip_queued_req, request);
-       }
+               intel_mark_page_flip_active(intel_crtc, work);
 
-       if (request)
                i915_add_request_no_flush(request);
+       }
 
-       work->flip_queued_vblank = drm_crtc_vblank_count(crtc);
-       work->enable_stall_check = true;
-
-       i915_gem_track_fb(intel_fb_obj(work->old_fb), obj,
+       i915_gem_track_fb(intel_fb_obj(old_fb), obj,
                          to_intel_plane(primary)->frontbuffer_bit);
        mutex_unlock(&dev->struct_mutex);
 
@@ -11706,7 +11849,7 @@ cleanup:
        drm_framebuffer_unreference(work->old_fb);
 
        spin_lock_irq(&dev->event_lock);
-       intel_crtc->unpin_work = NULL;
+       intel_crtc->flip_work = NULL;
        spin_unlock_irq(&dev->event_lock);
 
        drm_crtc_vblank_put(crtc);
@@ -11808,15 +11951,14 @@ int intel_plane_atomic_calc_changes(struct drm_crtc_state *crtc_state,
        struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_plane_state *old_plane_state =
                to_intel_plane_state(plane->state);
-       int idx = intel_crtc->base.base.id, ret;
        bool mode_changed = needs_modeset(crtc_state);
        bool was_crtc_enabled = crtc->state->active;
        bool is_crtc_enabled = crtc_state->active;
        bool turn_off, turn_on, visible, was_visible;
        struct drm_framebuffer *fb = plane_state->fb;
+       int ret;
 
-       if (crtc_state && INTEL_INFO(dev)->gen >= 9 &&
-           plane->type != DRM_PLANE_TYPE_CURSOR) {
+       if (INTEL_GEN(dev) >= 9 && plane->type != DRM_PLANE_TYPE_CURSOR) {
                ret = skl_update_scaler_plane(
                        to_intel_crtc_state(crtc_state),
                        to_intel_plane_state(plane_state));
@@ -11834,6 +11976,11 @@ int intel_plane_atomic_calc_changes(struct drm_crtc_state *crtc_state,
         * Visibility is calculated as if the crtc was on, but
         * after scaler setup everything depends on it being off
         * when the crtc isn't active.
+        *
+        * FIXME this is wrong for watermarks. Watermarks should also
+        * be computed as if the pipe would be active. Perhaps move
+        * per-plane wm computation to the .check_plane() hook, and
+        * only combine the results from all planes in the current place?
         */
        if (!is_crtc_enabled)
                to_intel_plane_state(plane_state)->visible = visible = false;
@@ -11847,11 +11994,15 @@ int intel_plane_atomic_calc_changes(struct drm_crtc_state *crtc_state,
        turn_off = was_visible && (!visible || mode_changed);
        turn_on = visible && (!was_visible || mode_changed);
 
-       DRM_DEBUG_ATOMIC("[CRTC:%i] has [PLANE:%i] with fb %i\n", idx,
-                        plane->base.id, fb ? fb->base.id : -1);
+       DRM_DEBUG_ATOMIC("[CRTC:%d:%s] has [PLANE:%d:%s] with fb %i\n",
+                        intel_crtc->base.base.id,
+                        intel_crtc->base.name,
+                        plane->base.id, plane->name,
+                        fb ? fb->base.id : -1);
 
-       DRM_DEBUG_ATOMIC("[PLANE:%i] visible %i -> %i, off %i, on %i, ms %i\n",
-                        plane->base.id, was_visible, visible,
+       DRM_DEBUG_ATOMIC("[PLANE:%d:%s] visible %i -> %i, off %i, on %i, ms %i\n",
+                        plane->base.id, plane->name,
+                        was_visible, visible,
                         turn_off, turn_on, mode_changed);
 
        if (turn_on) {
@@ -11948,7 +12099,7 @@ static int intel_crtc_atomic_check(struct drm_crtc *crtc,
                                   struct drm_crtc_state *crtc_state)
 {
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        struct intel_crtc_state *pipe_config =
                to_intel_crtc_state(crtc_state);
@@ -12007,7 +12158,7 @@ static int intel_crtc_atomic_check(struct drm_crtc *crtc,
                }
        } else if (dev_priv->display.compute_intermediate_wm) {
                if (HAS_PCH_SPLIT(dev_priv) && INTEL_GEN(dev_priv) < 9)
-                       pipe_config->wm.intermediate = pipe_config->wm.optimal.ilk;
+                       pipe_config->wm.ilk.intermediate = pipe_config->wm.ilk.optimal;
        }
 
        if (INTEL_INFO(dev)->gen >= 9) {
@@ -12142,7 +12293,8 @@ static void intel_dump_pipe_config(struct intel_crtc *crtc,
        struct intel_plane_state *state;
        struct drm_framebuffer *fb;
 
-       DRM_DEBUG_KMS("[CRTC:%d]%s config %p for pipe %c\n", crtc->base.base.id,
+       DRM_DEBUG_KMS("[CRTC:%d:%s]%s config %p for pipe %c\n",
+                     crtc->base.base.id, crtc->base.name,
                      context, pipe_config, pipe_name(crtc->pipe));
 
        DRM_DEBUG_KMS("cpu_transcoder: %s\n", transcoder_name(pipe_config->cpu_transcoder));
@@ -12243,29 +12395,24 @@ static void intel_dump_pipe_config(struct intel_crtc *crtc,
                state = to_intel_plane_state(plane->state);
                fb = state->base.fb;
                if (!fb) {
-                       DRM_DEBUG_KMS("%s PLANE:%d plane: %u.%u idx: %d "
-                               "disabled, scaler_id = %d\n",
-                               plane->type == DRM_PLANE_TYPE_CURSOR ? "CURSOR" : "STANDARD",
-                               plane->base.id, intel_plane->pipe,
-                               (crtc->base.primary == plane) ? 0 : intel_plane->plane + 1,
-                               drm_plane_index(plane), state->scaler_id);
+                       DRM_DEBUG_KMS("[PLANE:%d:%s] disabled, scaler_id = %d\n",
+                                     plane->base.id, plane->name, state->scaler_id);
                        continue;
                }
 
-               DRM_DEBUG_KMS("%s PLANE:%d plane: %u.%u idx: %d enabled",
-                       plane->type == DRM_PLANE_TYPE_CURSOR ? "CURSOR" : "STANDARD",
-                       plane->base.id, intel_plane->pipe,
-                       crtc->base.primary == plane ? 0 : intel_plane->plane + 1,
-                       drm_plane_index(plane));
-               DRM_DEBUG_KMS("\tFB:%d, fb = %ux%u format = 0x%x",
-                       fb->base.id, fb->width, fb->height, fb->pixel_format);
-               DRM_DEBUG_KMS("\tscaler:%d src (%u, %u) %ux%u dst (%u, %u) %ux%u\n",
-                       state->scaler_id,
-                       state->src.x1 >> 16, state->src.y1 >> 16,
-                       drm_rect_width(&state->src) >> 16,
-                       drm_rect_height(&state->src) >> 16,
-                       state->dst.x1, state->dst.y1,
-                       drm_rect_width(&state->dst), drm_rect_height(&state->dst));
+               DRM_DEBUG_KMS("[PLANE:%d:%s] enabled",
+                             plane->base.id, plane->name);
+               DRM_DEBUG_KMS("\tFB:%d, fb = %ux%u format = %s",
+                             fb->base.id, fb->width, fb->height,
+                             drm_get_format_name(fb->pixel_format));
+               DRM_DEBUG_KMS("\tscaler:%d src %dx%d+%d+%d dst %dx%d+%d+%d\n",
+                             state->scaler_id,
+                             state->src.x1 >> 16, state->src.y1 >> 16,
+                             drm_rect_width(&state->src) >> 16,
+                             drm_rect_height(&state->src) >> 16,
+                             state->dst.x1, state->dst.y1,
+                             drm_rect_width(&state->dst),
+                             drm_rect_height(&state->dst));
        }
 }
 
@@ -12684,6 +12831,7 @@ intel_pipe_config_compare(struct drm_device *dev,
 
        PIPE_CONF_CHECK_I(has_dp_encoder);
        PIPE_CONF_CHECK_I(lane_count);
+       PIPE_CONF_CHECK_X(lane_lat_optim_mask);
 
        if (INTEL_INFO(dev)->gen < 8) {
                PIPE_CONF_CHECK_M_N(dp_m_n);
@@ -12812,7 +12960,7 @@ static void verify_wm_state(struct drm_crtc *crtc,
                            struct drm_crtc_state *new_state)
 {
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct skl_ddb_allocation hw_ddb, *sw_ddb;
        struct skl_ddb_entry *hw_entry, *sw_entry;
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
@@ -12918,7 +13066,7 @@ verify_crtc_state(struct drm_crtc *crtc,
                  struct drm_crtc_state *new_crtc_state)
 {
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_encoder *encoder;
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        struct intel_crtc_state *pipe_config, *sw_config;
@@ -12932,7 +13080,7 @@ verify_crtc_state(struct drm_crtc *crtc,
        pipe_config->base.crtc = crtc;
        pipe_config->base.state = old_state;
 
-       DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id);
+       DRM_DEBUG_KMS("[CRTC:%d:%s]\n", crtc->base.id, crtc->name);
 
        active = dev_priv->display.get_pipe_config(intel_crtc, pipe_config);
 
@@ -13041,7 +13189,7 @@ verify_shared_dpll_state(struct drm_device *dev, struct drm_crtc *crtc,
                         struct drm_crtc_state *old_crtc_state,
                         struct drm_crtc_state *new_crtc_state)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc_state *old_state = to_intel_crtc_state(old_crtc_state);
        struct intel_crtc_state *new_state = to_intel_crtc_state(new_crtc_state);
 
@@ -13080,7 +13228,7 @@ intel_modeset_verify_crtc(struct drm_crtc *crtc,
 static void
 verify_disabled_dpll_state(struct drm_device *dev)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        int i;
 
        for (i = 0; i < dev_priv->num_shared_dpll; i++)
@@ -13262,7 +13410,7 @@ static int intel_modeset_all_pipes(struct drm_atomic_state *state)
 static int intel_modeset_checks(struct drm_atomic_state *state)
 {
        struct intel_atomic_state *intel_state = to_intel_atomic_state(state);
-       struct drm_i915_private *dev_priv = state->dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(state->dev);
        struct drm_crtc *crtc;
        struct drm_crtc_state *crtc_state;
        int ret = 0, i;
@@ -13280,6 +13428,9 @@ static int intel_modeset_checks(struct drm_atomic_state *state)
                        intel_state->active_crtcs |= 1 << i;
                else
                        intel_state->active_crtcs &= ~(1 << i);
+
+               if (crtc_state->active != crtc->state->active)
+                       intel_state->active_pipe_changes |= drm_crtc_mask(crtc);
        }
 
        /*
@@ -13290,9 +13441,17 @@ static int intel_modeset_checks(struct drm_atomic_state *state)
         * adjusted_mode bits in the crtc directly.
         */
        if (dev_priv->display.modeset_calc_cdclk) {
+               if (!intel_state->cdclk_pll_vco)
+                       intel_state->cdclk_pll_vco = dev_priv->cdclk_pll.vco;
+               if (!intel_state->cdclk_pll_vco)
+                       intel_state->cdclk_pll_vco = dev_priv->skl_preferred_vco_freq;
+
                ret = dev_priv->display.modeset_calc_cdclk(state);
+               if (ret < 0)
+                       return ret;
 
-               if (!ret && intel_state->dev_cdclk != dev_priv->cdclk_freq)
+               if (intel_state->dev_cdclk != dev_priv->cdclk_freq ||
+                   intel_state->cdclk_pll_vco != dev_priv->cdclk_pll.vco)
                        ret = intel_modeset_all_pipes(state);
 
                if (ret < 0)
@@ -13316,38 +13475,16 @@ static int intel_modeset_checks(struct drm_atomic_state *state)
  * phase.  The code here should be run after the per-crtc and per-plane 'check'
  * handlers to ensure that all derived state has been updated.
  */
-static void calc_watermark_data(struct drm_atomic_state *state)
+static int calc_watermark_data(struct drm_atomic_state *state)
 {
        struct drm_device *dev = state->dev;
-       struct intel_atomic_state *intel_state = to_intel_atomic_state(state);
-       struct drm_crtc *crtc;
-       struct drm_crtc_state *cstate;
-       struct drm_plane *plane;
-       struct drm_plane_state *pstate;
-
-       /*
-        * Calculate watermark configuration details now that derived
-        * plane/crtc state is all properly updated.
-        */
-       drm_for_each_crtc(crtc, dev) {
-               cstate = drm_atomic_get_existing_crtc_state(state, crtc) ?:
-                       crtc->state;
-
-               if (cstate->active)
-                       intel_state->wm_config.num_pipes_active++;
-       }
-       drm_for_each_legacy_plane(plane, dev) {
-               pstate = drm_atomic_get_existing_plane_state(state, plane) ?:
-                       plane->state;
+       struct drm_i915_private *dev_priv = to_i915(dev);
 
-               if (!to_intel_plane_state(pstate)->visible)
-                       continue;
+       /* Is there platform-specific watermark information to calculate? */
+       if (dev_priv->display.compute_global_watermarks)
+               return dev_priv->display.compute_global_watermarks(state);
 
-               intel_state->wm_config.sprites_enabled = true;
-               if (pstate->crtc_w != pstate->src_w >> 16 ||
-                   pstate->crtc_h != pstate->src_h >> 16)
-                       intel_state->wm_config.sprites_scaled = true;
-       }
+       return 0;
 }
 
 /**
@@ -13377,14 +13514,13 @@ static int intel_atomic_check(struct drm_device *dev,
                if (crtc_state->mode.private_flags != crtc->state->mode.private_flags)
                        crtc_state->mode_changed = true;
 
-               if (!crtc_state->enable) {
-                       if (needs_modeset(crtc_state))
-                               any_ms = true;
+               if (!needs_modeset(crtc_state))
                        continue;
-               }
 
-               if (!needs_modeset(crtc_state))
+               if (!crtc_state->enable) {
+                       any_ms = true;
                        continue;
+               }
 
                /* FIXME: For only active_changed we shouldn't need to do any
                 * state recomputation at all. */
@@ -13394,8 +13530,11 @@ static int intel_atomic_check(struct drm_device *dev,
                        return ret;
 
                ret = intel_modeset_pipe_config(crtc, pipe_config);
-               if (ret)
+               if (ret) {
+                       intel_dump_pipe_config(to_intel_crtc(crtc),
+                                              pipe_config, "[failed]");
                        return ret;
+               }
 
                if (i915.fastboot &&
                    intel_pipe_config_compare(dev,
@@ -13405,13 +13544,12 @@ static int intel_atomic_check(struct drm_device *dev,
                        to_intel_crtc_state(crtc_state)->update_pipe = true;
                }
 
-               if (needs_modeset(crtc_state)) {
+               if (needs_modeset(crtc_state))
                        any_ms = true;
 
-                       ret = drm_atomic_add_affected_planes(state, crtc);
-                       if (ret)
-                               return ret;
-               }
+               ret = drm_atomic_add_affected_planes(state, crtc);
+               if (ret)
+                       return ret;
 
                intel_dump_pipe_config(to_intel_crtc(crtc), pipe_config,
                                       needs_modeset(crtc_state) ?
@@ -13431,27 +13569,20 @@ static int intel_atomic_check(struct drm_device *dev,
                return ret;
 
        intel_fbc_choose_crtc(dev_priv, state);
-       calc_watermark_data(state);
-
-       return 0;
+       return calc_watermark_data(state);
 }
 
 static int intel_atomic_prepare_commit(struct drm_device *dev,
                                       struct drm_atomic_state *state,
                                       bool nonblock)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct drm_plane_state *plane_state;
        struct drm_crtc_state *crtc_state;
        struct drm_plane *plane;
        struct drm_crtc *crtc;
        int i, ret;
 
-       if (nonblock) {
-               DRM_DEBUG_KMS("i915 does not yet support nonblocking commit\n");
-               return -EINVAL;
-       }
-
        for_each_crtc_in_state(state, crtc, crtc_state, i) {
                if (state->legacy_cursor_update)
                        continue;
@@ -13495,6 +13626,16 @@ static int intel_atomic_prepare_commit(struct drm_device *dev,
        return ret;
 }
 
+u32 intel_crtc_get_vblank_counter(struct intel_crtc *crtc)
+{
+       struct drm_device *dev = crtc->base.dev;
+
+       if (!dev->max_vblank_count)
+               return drm_accurate_vblank_count(&crtc->base);
+
+       return dev->driver->get_vblank_counter(dev, crtc->pipe);
+}
+
 static void intel_atomic_wait_for_vblanks(struct drm_device *dev,
                                          struct drm_i915_private *dev_priv,
                                          unsigned crtc_mask)
@@ -13560,45 +13701,36 @@ static bool needs_vblank_wait(struct intel_crtc_state *crtc_state)
        return false;
 }
 
-/**
- * intel_atomic_commit - commit validated state object
- * @dev: DRM device
- * @state: the top-level driver state object
- * @nonblock: nonblocking commit
- *
- * This function commits a top-level state object that has been validated
- * with drm_atomic_helper_check().
- *
- * FIXME:  Atomic modeset support for i915 is not yet complete.  At the moment
- * we can only handle plane-related operations and do not yet support
- * nonblocking commit.
- *
- * RETURNS
- * Zero for success or -errno.
- */
-static int intel_atomic_commit(struct drm_device *dev,
-                              struct drm_atomic_state *state,
-                              bool nonblock)
+static void intel_atomic_commit_tail(struct drm_atomic_state *state)
 {
+       struct drm_device *dev = state->dev;
        struct intel_atomic_state *intel_state = to_intel_atomic_state(state);
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct drm_crtc_state *old_crtc_state;
        struct drm_crtc *crtc;
        struct intel_crtc_state *intel_cstate;
-       int ret = 0, i;
+       struct drm_plane *plane;
+       struct drm_plane_state *plane_state;
        bool hw_check = intel_state->modeset;
        unsigned long put_domains[I915_MAX_PIPES] = {};
        unsigned crtc_vblank_mask = 0;
+       int i, ret;
 
-       ret = intel_atomic_prepare_commit(dev, state, nonblock);
-       if (ret) {
-               DRM_DEBUG_ATOMIC("Preparing state failed with %i\n", ret);
-               return ret;
+       for_each_plane_in_state(state, plane, plane_state, i) {
+               struct intel_plane_state *intel_plane_state =
+                       to_intel_plane_state(plane_state);
+
+               if (!intel_plane_state->wait_req)
+                       continue;
+
+               ret = __i915_wait_request(intel_plane_state->wait_req,
+                                         true, NULL, NULL);
+               /* EIO should be eaten, and we can't get interrupted in the
+                * worker, and blocking commits have waited already. */
+               WARN_ON(ret);
        }
 
-       drm_atomic_helper_swap_state(dev, state);
-       dev_priv->wm.config = intel_state->wm_config;
-       intel_shared_dpll_commit(state);
+       drm_atomic_helper_wait_for_dependencies(state);
 
        if (intel_state->modeset) {
                memcpy(dev_priv->min_pixclk, intel_state->min_pixclk,
@@ -13653,7 +13785,8 @@ static int intel_atomic_commit(struct drm_device *dev,
                drm_atomic_helper_update_legacy_modeset_state(state->dev, state);
 
                if (dev_priv->display.modeset_commit_cdclk &&
-                   intel_state->dev_cdclk != dev_priv->cdclk_freq)
+                   (intel_state->dev_cdclk != dev_priv->cdclk_freq ||
+                    intel_state->cdclk_pll_vco != dev_priv->cdclk_pll.vco))
                        dev_priv->display.modeset_commit_cdclk(state);
 
                intel_modeset_verify_disabled(dev);
@@ -13665,30 +13798,44 @@ static int intel_atomic_commit(struct drm_device *dev,
                bool modeset = needs_modeset(crtc->state);
                struct intel_crtc_state *pipe_config =
                        to_intel_crtc_state(crtc->state);
-               bool update_pipe = !modeset && pipe_config->update_pipe;
 
                if (modeset && crtc->state->active) {
                        update_scanline_offset(to_intel_crtc(crtc));
                        dev_priv->display.crtc_enable(crtc);
                }
 
+               /* Complete events for now disable pipes here. */
+               if (modeset && !crtc->state->active && crtc->state->event) {
+                       spin_lock_irq(&dev->event_lock);
+                       drm_crtc_send_vblank_event(crtc, crtc->state->event);
+                       spin_unlock_irq(&dev->event_lock);
+
+                       crtc->state->event = NULL;
+               }
+
                if (!modeset)
                        intel_pre_plane_update(to_intel_crtc_state(old_crtc_state));
 
                if (crtc->state->active &&
                    drm_atomic_get_existing_plane_state(state, crtc->primary))
-                       intel_fbc_enable(intel_crtc);
+                       intel_fbc_enable(intel_crtc, pipe_config, to_intel_plane_state(crtc->primary->state));
 
-               if (crtc->state->active &&
-                   (crtc->state->planes_changed || update_pipe))
+               if (crtc->state->active)
                        drm_atomic_helper_commit_planes_on_crtc(old_crtc_state);
 
                if (pipe_config->base.active && needs_vblank_wait(pipe_config))
                        crtc_vblank_mask |= 1 << i;
        }
 
-       /* FIXME: add subpixel order */
-
+       /* FIXME: We should call drm_atomic_helper_commit_hw_done() here
+        * already, but still need the state for the delayed optimization. To
+        * fix this:
+        * - wrap the optimization/post_plane_update stuff into a per-crtc work.
+        * - schedule that vblank worker _before_ calling hw_done
+        * - at the start of commit_tail, cancel it _synchrously
+        * - switch over to the vblank wait helper in the core after that since
+        *   we don't need out special handling any more.
+        */
        if (!state->legacy_cursor_update)
                intel_atomic_wait_for_vblanks(dev, dev_priv, crtc_vblank_mask);
 
@@ -13715,6 +13862,8 @@ static int intel_atomic_commit(struct drm_device *dev,
                intel_modeset_verify_crtc(crtc, old_crtc_state, crtc->state);
        }
 
+       drm_atomic_helper_commit_hw_done(state);
+
        if (intel_state->modeset)
                intel_display_power_put(dev_priv, POWER_DOMAIN_MODESET);
 
@@ -13722,6 +13871,8 @@ static int intel_atomic_commit(struct drm_device *dev,
        drm_atomic_helper_cleanup_planes(dev, state);
        mutex_unlock(&dev->struct_mutex);
 
+       drm_atomic_helper_commit_cleanup_done(state);
+
        drm_atomic_state_free(state);
 
        /* As one of the primary mmio accessors, KMS has a high likelihood
@@ -13736,6 +13887,86 @@ static int intel_atomic_commit(struct drm_device *dev,
         * can happen also when the device is completely off.
         */
        intel_uncore_arm_unclaimed_mmio_detection(dev_priv);
+}
+
+static void intel_atomic_commit_work(struct work_struct *work)
+{
+       struct drm_atomic_state *state = container_of(work,
+                                                     struct drm_atomic_state,
+                                                     commit_work);
+       intel_atomic_commit_tail(state);
+}
+
+static void intel_atomic_track_fbs(struct drm_atomic_state *state)
+{
+       struct drm_plane_state *old_plane_state;
+       struct drm_plane *plane;
+       struct drm_i915_gem_object *obj, *old_obj;
+       struct intel_plane *intel_plane;
+       int i;
+
+       mutex_lock(&state->dev->struct_mutex);
+       for_each_plane_in_state(state, plane, old_plane_state, i) {
+               obj = intel_fb_obj(plane->state->fb);
+               old_obj = intel_fb_obj(old_plane_state->fb);
+               intel_plane = to_intel_plane(plane);
+
+               i915_gem_track_fb(old_obj, obj, intel_plane->frontbuffer_bit);
+       }
+       mutex_unlock(&state->dev->struct_mutex);
+}
+
+/**
+ * intel_atomic_commit - commit validated state object
+ * @dev: DRM device
+ * @state: the top-level driver state object
+ * @nonblock: nonblocking commit
+ *
+ * This function commits a top-level state object that has been validated
+ * with drm_atomic_helper_check().
+ *
+ * FIXME:  Atomic modeset support for i915 is not yet complete.  At the moment
+ * nonblocking commits are only safe for pure plane updates. Everything else
+ * should work though.
+ *
+ * RETURNS
+ * Zero for success or -errno.
+ */
+static int intel_atomic_commit(struct drm_device *dev,
+                              struct drm_atomic_state *state,
+                              bool nonblock)
+{
+       struct intel_atomic_state *intel_state = to_intel_atomic_state(state);
+       struct drm_i915_private *dev_priv = to_i915(dev);
+       int ret = 0;
+
+       if (intel_state->modeset && nonblock) {
+               DRM_DEBUG_KMS("nonblocking commit for modeset not yet implemented.\n");
+               return -EINVAL;
+       }
+
+       ret = drm_atomic_helper_setup_commit(state, nonblock);
+       if (ret)
+               return ret;
+
+       INIT_WORK(&state->commit_work, intel_atomic_commit_work);
+
+       ret = intel_atomic_prepare_commit(dev, state, nonblock);
+       if (ret) {
+               DRM_DEBUG_ATOMIC("Preparing state failed with %i\n", ret);
+               return ret;
+       }
+
+       drm_atomic_helper_swap_state(state, true);
+       dev_priv->wm.distrust_bios_wm = false;
+       dev_priv->wm.skl_results = intel_state->wm_results;
+       intel_shared_dpll_commit(state);
+       intel_atomic_track_fbs(state);
+
+       if (nonblock)
+               queue_work(system_unbound_wq, &state->commit_work);
+       else
+               intel_atomic_commit_tail(state);
 
        return 0;
 }
@@ -13749,8 +13980,8 @@ void intel_crtc_restore_mode(struct drm_crtc *crtc)
 
        state = drm_atomic_state_alloc(dev);
        if (!state) {
-               DRM_DEBUG_KMS("[CRTC:%d] crtc restore failed, out of memory",
-                             crtc->base.id);
+               DRM_DEBUG_KMS("[CRTC:%d:%s] crtc restore failed, out of memory",
+                             crtc->base.id, crtc->name);
                return;
        }
 
@@ -13810,9 +14041,9 @@ intel_prepare_plane_fb(struct drm_plane *plane,
 {
        struct drm_device *dev = plane->dev;
        struct drm_framebuffer *fb = new_state->fb;
-       struct intel_plane *intel_plane = to_intel_plane(plane);
        struct drm_i915_gem_object *obj = intel_fb_obj(fb);
        struct drm_i915_gem_object *old_obj = intel_fb_obj(plane->state->fb);
+       struct reservation_object *resv;
        int ret = 0;
 
        if (!obj && !old_obj)
@@ -13842,12 +14073,15 @@ intel_prepare_plane_fb(struct drm_plane *plane,
                }
        }
 
+       if (!obj)
+               return 0;
+
        /* For framebuffer backed by dmabuf, wait for fence */
-       if (obj && obj->base.dma_buf) {
+       resv = i915_gem_object_get_dmabuf_resv(obj);
+       if (resv) {
                long lret;
 
-               lret = reservation_object_wait_timeout_rcu(obj->base.dma_buf->resv,
-                                                          false, true,
+               lret = reservation_object_wait_timeout_rcu(resv, false, true,
                                                           MAX_SCHEDULE_TIMEOUT);
                if (lret == -ERESTARTSYS)
                        return lret;
@@ -13855,9 +14089,7 @@ intel_prepare_plane_fb(struct drm_plane *plane,
                WARN(lret < 0, "waiting returns %li\n", lret);
        }
 
-       if (!obj) {
-               ret = 0;
-       } else if (plane->type == DRM_PLANE_TYPE_CURSOR &&
+       if (plane->type == DRM_PLANE_TYPE_CURSOR &&
            INTEL_INFO(dev)->cursor_needs_physical) {
                int align = IS_I830(dev) ? 16 * 1024 : 256;
                ret = i915_gem_object_attach_phys(obj, align);
@@ -13868,15 +14100,11 @@ intel_prepare_plane_fb(struct drm_plane *plane,
        }
 
        if (ret == 0) {
-               if (obj) {
-                       struct intel_plane_state *plane_state =
-                               to_intel_plane_state(new_state);
+               struct intel_plane_state *plane_state =
+                       to_intel_plane_state(new_state);
 
-                       i915_gem_request_assign(&plane_state->wait_req,
-                                               obj->last_write_req);
-               }
-
-               i915_gem_track_fb(old_obj, obj, intel_plane->frontbuffer_bit);
+               i915_gem_request_assign(&plane_state->wait_req,
+                                       obj->last_write_req);
        }
 
        return ret;
@@ -13896,7 +14124,6 @@ intel_cleanup_plane_fb(struct drm_plane *plane,
                       const struct drm_plane_state *old_state)
 {
        struct drm_device *dev = plane->dev;
-       struct intel_plane *intel_plane = to_intel_plane(plane);
        struct intel_plane_state *old_intel_state;
        struct drm_i915_gem_object *old_obj = intel_fb_obj(old_state->fb);
        struct drm_i915_gem_object *obj = intel_fb_obj(plane->state->fb);
@@ -13910,11 +14137,6 @@ intel_cleanup_plane_fb(struct drm_plane *plane,
            !INTEL_INFO(dev)->cursor_needs_physical))
                intel_unpin_fb_obj(old_state->fb, old_state->rotation);
 
-       /* prepare_fb aborted? */
-       if ((old_obj && (old_obj->frontbuffer_bits & intel_plane->frontbuffer_bit)) ||
-           (obj && !(obj->frontbuffer_bits & intel_plane->frontbuffer_bit)))
-               i915_gem_track_fb(old_obj, obj, intel_plane->frontbuffer_bit);
-
        i915_gem_request_assign(&old_intel_state->wait_req, NULL);
 }
 
@@ -13970,6 +14192,7 @@ intel_check_primary_plane(struct drm_plane *plane,
 
        return drm_plane_helper_check_update(plane, crtc, fb, &state->src,
                                             &state->dst, &state->clip,
+                                            state->base.rotation,
                                             min_scale, max_scale,
                                             can_position, true,
                                             &state->visible);
@@ -14006,7 +14229,7 @@ static void intel_finish_crtc_commit(struct drm_crtc *crtc,
 {
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 
-       intel_pipe_update_end(intel_crtc);
+       intel_pipe_update_end(intel_crtc, NULL);
 }
 
 /**
@@ -14018,9 +14241,11 @@ static void intel_finish_crtc_commit(struct drm_crtc *crtc,
  */
 void intel_plane_destroy(struct drm_plane *plane)
 {
-       struct intel_plane *intel_plane = to_intel_plane(plane);
+       if (!plane)
+               return;
+
        drm_plane_cleanup(plane);
-       kfree(intel_plane);
+       kfree(to_intel_plane(plane));
 }
 
 const struct drm_plane_funcs intel_plane_funcs = {
@@ -14092,10 +14317,24 @@ static struct drm_plane *intel_primary_plane_create(struct drm_device *dev,
                primary->disable_plane = i9xx_disable_primary_plane;
        }
 
-       ret = drm_universal_plane_init(dev, &primary->base, 0,
-                                      &intel_plane_funcs,
-                                      intel_primary_formats, num_formats,
-                                      DRM_PLANE_TYPE_PRIMARY, NULL);
+       if (INTEL_INFO(dev)->gen >= 9)
+               ret = drm_universal_plane_init(dev, &primary->base, 0,
+                                              &intel_plane_funcs,
+                                              intel_primary_formats, num_formats,
+                                              DRM_PLANE_TYPE_PRIMARY,
+                                              "plane 1%c", pipe_name(pipe));
+       else if (INTEL_INFO(dev)->gen >= 5 || IS_G4X(dev))
+               ret = drm_universal_plane_init(dev, &primary->base, 0,
+                                              &intel_plane_funcs,
+                                              intel_primary_formats, num_formats,
+                                              DRM_PLANE_TYPE_PRIMARY,
+                                              "primary %c", pipe_name(pipe));
+       else
+               ret = drm_universal_plane_init(dev, &primary->base, 0,
+                                              &intel_plane_funcs,
+                                              intel_primary_formats, num_formats,
+                                              DRM_PLANE_TYPE_PRIMARY,
+                                              "plane %c", plane_name(primary->plane));
        if (ret)
                goto fail;
 
@@ -14145,6 +14384,7 @@ intel_check_cursor_plane(struct drm_plane *plane,
 
        ret = drm_plane_helper_check_update(plane, crtc, fb, &state->src,
                                            &state->dst, &state->clip,
+                                           state->base.rotation,
                                            DRM_PLANE_HELPER_NO_SCALING,
                                            DRM_PLANE_HELPER_NO_SCALING,
                                            true, true, &state->visible);
@@ -14253,7 +14493,8 @@ static struct drm_plane *intel_cursor_plane_create(struct drm_device *dev,
                                       &intel_plane_funcs,
                                       intel_cursor_formats,
                                       ARRAY_SIZE(intel_cursor_formats),
-                                      DRM_PLANE_TYPE_CURSOR, NULL);
+                                      DRM_PLANE_TYPE_CURSOR,
+                                      "cursor %c", pipe_name(pipe));
        if (ret)
                goto fail;
 
@@ -14301,7 +14542,7 @@ static void skl_init_scalers(struct drm_device *dev, struct intel_crtc *intel_cr
 
 static void intel_crtc_init(struct drm_device *dev, int pipe)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc;
        struct intel_crtc_state *crtc_state = NULL;
        struct drm_plane *primary = NULL;
@@ -14338,7 +14579,8 @@ static void intel_crtc_init(struct drm_device *dev, int pipe)
                goto fail;
 
        ret = drm_crtc_init_with_planes(dev, &intel_crtc->base, primary,
-                                       cursor, &intel_crtc_funcs, NULL);
+                                       cursor, &intel_crtc_funcs,
+                                       "pipe %c", pipe_name(pipe));
        if (ret)
                goto fail;
 
@@ -14372,10 +14614,8 @@ static void intel_crtc_init(struct drm_device *dev, int pipe)
        return;
 
 fail:
-       if (primary)
-               drm_plane_cleanup(primary);
-       if (cursor)
-               drm_plane_cleanup(cursor);
+       intel_plane_destroy(primary);
+       intel_plane_destroy(cursor);
        kfree(crtc_state);
        kfree(intel_crtc);
 }
@@ -14401,11 +14641,8 @@ int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
        struct intel_crtc *crtc;
 
        drmmode_crtc = drm_crtc_find(dev, pipe_from_crtc_id->crtc_id);
-
-       if (!drmmode_crtc) {
-               DRM_ERROR("no such CRTC id\n");
+       if (!drmmode_crtc)
                return -ENOENT;
-       }
 
        crtc = to_intel_crtc(drmmode_crtc);
        pipe_from_crtc_id->pipe = crtc->pipe;
@@ -14432,7 +14669,7 @@ static int intel_encoder_clones(struct intel_encoder *encoder)
 
 static bool has_edp_a(struct drm_device *dev)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
 
        if (!IS_MOBILE(dev))
                return false;
@@ -14448,7 +14685,7 @@ static bool has_edp_a(struct drm_device *dev)
 
 static bool intel_crt_present(struct drm_device *dev)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
 
        if (INTEL_INFO(dev)->gen >= 9)
                return false;
@@ -14474,10 +14711,15 @@ static bool intel_crt_present(struct drm_device *dev)
 
 static void intel_setup_outputs(struct drm_device *dev)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_encoder *encoder;
        bool dpd_is_edp = false;
 
+       /*
+        * intel_edp_init_connector() depends on this completing first, to
+        * prevent the registeration of both eDP and LVDS and the incorrect
+        * sharing of the PPS.
+        */
        intel_lvds_init(dev);
 
        if (intel_crt_present(dev))
@@ -14554,6 +14796,8 @@ static void intel_setup_outputs(struct drm_device *dev)
                if (I915_READ(PCH_DP_D) & DP_DETECTED)
                        intel_dp_init(dev, PCH_DP_D, PORT_D);
        } else if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev)) {
+               bool has_edp, has_port;
+
                /*
                 * The DP_DETECTED bit is the latched state of the DDC
                 * SDA pin at boot. However since eDP doesn't require DDC
@@ -14562,27 +14806,37 @@ static void intel_setup_outputs(struct drm_device *dev)
                 * Thus we can't rely on the DP_DETECTED bit alone to detect
                 * eDP ports. Consult the VBT as well as DP_DETECTED to
                 * detect eDP ports.
+                *
+                * Sadly the straps seem to be missing sometimes even for HDMI
+                * ports (eg. on Voyo V3 - CHT x7-Z8700), so check both strap
+                * and VBT for the presence of the port. Additionally we can't
+                * trust the port type the VBT declares as we've seen at least
+                * HDMI ports that the VBT claim are DP or eDP.
                 */
-               if (I915_READ(VLV_HDMIB) & SDVO_DETECTED &&
-                   !intel_dp_is_edp(dev, PORT_B))
+               has_edp = intel_dp_is_edp(dev, PORT_B);
+               has_port = intel_bios_is_port_present(dev_priv, PORT_B);
+               if (I915_READ(VLV_DP_B) & DP_DETECTED || has_port)
+                       has_edp &= intel_dp_init(dev, VLV_DP_B, PORT_B);
+               if ((I915_READ(VLV_HDMIB) & SDVO_DETECTED || has_port) && !has_edp)
                        intel_hdmi_init(dev, VLV_HDMIB, PORT_B);
-               if (I915_READ(VLV_DP_B) & DP_DETECTED ||
-                   intel_dp_is_edp(dev, PORT_B))
-                       intel_dp_init(dev, VLV_DP_B, PORT_B);
 
-               if (I915_READ(VLV_HDMIC) & SDVO_DETECTED &&
-                   !intel_dp_is_edp(dev, PORT_C))
+               has_edp = intel_dp_is_edp(dev, PORT_C);
+               has_port = intel_bios_is_port_present(dev_priv, PORT_C);
+               if (I915_READ(VLV_DP_C) & DP_DETECTED || has_port)
+                       has_edp &= intel_dp_init(dev, VLV_DP_C, PORT_C);
+               if ((I915_READ(VLV_HDMIC) & SDVO_DETECTED || has_port) && !has_edp)
                        intel_hdmi_init(dev, VLV_HDMIC, PORT_C);
-               if (I915_READ(VLV_DP_C) & DP_DETECTED ||
-                   intel_dp_is_edp(dev, PORT_C))
-                       intel_dp_init(dev, VLV_DP_C, PORT_C);
 
                if (IS_CHERRYVIEW(dev)) {
-                       /* eDP not supported on port D, so don't check VBT */
-                       if (I915_READ(CHV_HDMID) & SDVO_DETECTED)
-                               intel_hdmi_init(dev, CHV_HDMID, PORT_D);
-                       if (I915_READ(CHV_DP_D) & DP_DETECTED)
+                       /*
+                        * eDP not supported on port D,
+                        * so no need to worry about it
+                        */
+                       has_port = intel_bios_is_port_present(dev_priv, PORT_D);
+                       if (I915_READ(CHV_DP_D) & DP_DETECTED || has_port)
                                intel_dp_init(dev, CHV_DP_D, PORT_D);
+                       if (I915_READ(CHV_HDMID) & SDVO_DETECTED || has_port)
+                               intel_hdmi_init(dev, CHV_HDMID, PORT_D);
                }
 
                intel_dsi_init(dev);
@@ -15050,12 +15304,13 @@ void intel_init_display_hooks(struct drm_i915_private *dev_priv)
                dev_priv->display.fdi_link_train = ivb_manual_fdi_link_train;
        } else if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv)) {
                dev_priv->display.fdi_link_train = hsw_fdi_link_train;
-               if (IS_BROADWELL(dev_priv)) {
-                       dev_priv->display.modeset_commit_cdclk =
-                               broadwell_modeset_commit_cdclk;
-                       dev_priv->display.modeset_calc_cdclk =
-                               broadwell_modeset_calc_cdclk;
-               }
+       }
+
+       if (IS_BROADWELL(dev_priv)) {
+               dev_priv->display.modeset_commit_cdclk =
+                       broadwell_modeset_commit_cdclk;
+               dev_priv->display.modeset_calc_cdclk =
+                       broadwell_modeset_calc_cdclk;
        } else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
                dev_priv->display.modeset_commit_cdclk =
                        valleyview_modeset_commit_cdclk;
@@ -15063,9 +15318,14 @@ void intel_init_display_hooks(struct drm_i915_private *dev_priv)
                        valleyview_modeset_calc_cdclk;
        } else if (IS_BROXTON(dev_priv)) {
                dev_priv->display.modeset_commit_cdclk =
-                       broxton_modeset_commit_cdclk;
+                       bxt_modeset_commit_cdclk;
                dev_priv->display.modeset_calc_cdclk =
-                       broxton_modeset_calc_cdclk;
+                       bxt_modeset_calc_cdclk;
+       } else if (IS_SKYLAKE(dev_priv) || IS_KABYLAKE(dev_priv)) {
+               dev_priv->display.modeset_commit_cdclk =
+                       skl_modeset_commit_cdclk;
+               dev_priv->display.modeset_calc_cdclk =
+                       skl_modeset_calc_cdclk;
        }
 
        switch (INTEL_INFO(dev_priv)->gen) {
@@ -15104,7 +15364,7 @@ void intel_init_display_hooks(struct drm_i915_private *dev_priv)
  */
 static void quirk_pipea_force(struct drm_device *dev)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
 
        dev_priv->quirks |= QUIRK_PIPEA_FORCE;
        DRM_INFO("applying pipe a force quirk\n");
@@ -15112,7 +15372,7 @@ static void quirk_pipea_force(struct drm_device *dev)
 
 static void quirk_pipeb_force(struct drm_device *dev)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
 
        dev_priv->quirks |= QUIRK_PIPEB_FORCE;
        DRM_INFO("applying pipe b force quirk\n");
@@ -15123,7 +15383,7 @@ static void quirk_pipeb_force(struct drm_device *dev)
  */
 static void quirk_ssc_force_disable(struct drm_device *dev)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        dev_priv->quirks |= QUIRK_LVDS_SSC_DISABLE;
        DRM_INFO("applying lvds SSC disable quirk\n");
 }
@@ -15134,7 +15394,7 @@ static void quirk_ssc_force_disable(struct drm_device *dev)
  */
 static void quirk_invert_brightness(struct drm_device *dev)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        dev_priv->quirks |= QUIRK_INVERT_BRIGHTNESS;
        DRM_INFO("applying inverted panel brightness quirk\n");
 }
@@ -15142,7 +15402,7 @@ static void quirk_invert_brightness(struct drm_device *dev)
 /* Some VBT's incorrectly indicate no backlight is present */
 static void quirk_backlight_present(struct drm_device *dev)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        dev_priv->quirks |= QUIRK_BACKLIGHT_PRESENT;
        DRM_INFO("applying backlight present quirk\n");
 }
@@ -15268,7 +15528,7 @@ static void intel_init_quirks(struct drm_device *dev)
 /* Disable the VGA plane that we never use */
 static void i915_disable_vga(struct drm_device *dev)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        u8 sr1;
        i915_reg_t vga_reg = i915_vgacntrl_reg(dev);
 
@@ -15286,14 +15546,14 @@ static void i915_disable_vga(struct drm_device *dev)
 
 void intel_modeset_init_hw(struct drm_device *dev)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
 
        intel_update_cdclk(dev);
 
        dev_priv->atomic_cdclk_freq = dev_priv->cdclk_freq;
 
        intel_init_clock_gating(dev);
-       intel_enable_gt_powersave(dev);
+       intel_enable_gt_powersave(dev_priv);
 }
 
 /*
@@ -15363,7 +15623,6 @@ retry:
        }
 
        /* Write calculated watermark values back */
-       to_i915(dev)->wm.config = to_intel_atomic_state(state)->wm_config;
        for_each_crtc_in_state(state, crtc, cstate, i) {
                struct intel_crtc_state *cs = to_intel_crtc_state(cstate);
 
@@ -15461,11 +15720,13 @@ void intel_modeset_init(struct drm_device *dev)
        }
 
        intel_update_czclk(dev_priv);
-       intel_update_rawclk(dev_priv);
        intel_update_cdclk(dev);
 
        intel_shared_dpll_init(dev);
 
+       if (dev_priv->max_cdclk_freq == 0)
+               intel_update_max_cdclk(dev);
+
        /* Just disable it once at startup */
        i915_disable_vga(dev);
        intel_setup_outputs(dev);
@@ -15533,7 +15794,7 @@ static bool
 intel_check_plane_mapping(struct intel_crtc *crtc)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        u32 val;
 
        if (INTEL_INFO(dev)->num_pipes == 1)
@@ -15573,7 +15834,7 @@ static bool intel_encoder_has_connectors(struct intel_encoder *encoder)
 static void intel_sanitize_crtc(struct intel_crtc *crtc)
 {
        struct drm_device *dev = crtc->base.dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        enum transcoder cpu_transcoder = crtc->config->cpu_transcoder;
 
        /* Clear any frame start delays used for debugging left by the BIOS */
@@ -15606,8 +15867,8 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc)
        if (INTEL_INFO(dev)->gen < 4 && !intel_check_plane_mapping(crtc)) {
                bool plane;
 
-               DRM_DEBUG_KMS("[CRTC:%d] wrong plane connection detected!\n",
-                             crtc->base.base.id);
+               DRM_DEBUG_KMS("[CRTC:%d:%s] wrong plane connection detected!\n",
+                             crtc->base.base.id, crtc->base.name);
 
                /* Pipe has the wrong plane attached and the plane is active.
                 * Temporarily change the plane mapping and disable everything
@@ -15698,7 +15959,7 @@ static void intel_sanitize_encoder(struct intel_encoder *encoder)
 
 void i915_redisable_vga_power_on(struct drm_device *dev)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        i915_reg_t vga_reg = i915_vgacntrl_reg(dev);
 
        if (!(I915_READ(vga_reg) & VGA_DISP_DISABLE)) {
@@ -15709,7 +15970,7 @@ void i915_redisable_vga_power_on(struct drm_device *dev)
 
 void i915_redisable_vga(struct drm_device *dev)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
 
        /* This function can be called both from intel_modeset_setup_hw_state or
         * at a very early point in our resume sequence, where the power well
@@ -15749,7 +16010,7 @@ static void readout_plane_state(struct intel_crtc *crtc)
 
 static void intel_modeset_readout_hw_state(struct drm_device *dev)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        enum pipe pipe;
        struct intel_crtc *crtc;
        struct intel_encoder *encoder;
@@ -15775,26 +16036,24 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
                if (crtc_state->base.active) {
                        dev_priv->active_crtcs |= 1 << crtc->pipe;
 
-                       if (IS_BROADWELL(dev_priv)) {
+                       if (INTEL_GEN(dev_priv) >= 9 || IS_BROADWELL(dev_priv))
                                pixclk = ilk_pipe_pixel_rate(crtc_state);
-
-                               /* pixel rate mustn't exceed 95% of cdclk with IPS on BDW */
-                               if (crtc_state->ips_enabled)
-                                       pixclk = DIV_ROUND_UP(pixclk * 100, 95);
-                       } else if (IS_VALLEYVIEW(dev_priv) ||
-                                  IS_CHERRYVIEW(dev_priv) ||
-                                  IS_BROXTON(dev_priv))
+                       else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
                                pixclk = crtc_state->base.adjusted_mode.crtc_clock;
                        else
                                WARN_ON(dev_priv->display.modeset_calc_cdclk);
+
+                       /* pixel rate mustn't exceed 95% of cdclk with IPS on BDW */
+                       if (IS_BROADWELL(dev_priv) && crtc_state->ips_enabled)
+                               pixclk = DIV_ROUND_UP(pixclk * 100, 95);
                }
 
                dev_priv->min_pixclk[crtc->pipe] = pixclk;
 
                readout_plane_state(crtc);
 
-               DRM_DEBUG_KMS("[CRTC:%d] hw state readout: %s\n",
-                             crtc->base.base.id,
+               DRM_DEBUG_KMS("[CRTC:%d:%s] hw state readout: %s\n",
+                             crtc->base.base.id, crtc->base.name,
                              crtc->active ? "enabled" : "disabled");
        }
 
@@ -15904,7 +16163,7 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
 static void
 intel_modeset_setup_hw_state(struct drm_device *dev)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        enum pipe pipe;
        struct intel_crtc *crtc;
        struct intel_encoder *encoder;
@@ -16025,15 +16284,16 @@ retry:
 
 void intel_modeset_gem_init(struct drm_device *dev)
 {
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct drm_crtc *c;
        struct drm_i915_gem_object *obj;
        int ret;
 
-       intel_init_gt_powersave(dev);
+       intel_init_gt_powersave(dev_priv);
 
        intel_modeset_init_hw(dev);
 
-       intel_setup_overlay(dev);
+       intel_setup_overlay(dev_priv);
 
        /*
         * Make sure any fbs we allocated at startup are properly
@@ -16059,26 +16319,36 @@ void intel_modeset_gem_init(struct drm_device *dev)
                        c->state->plane_mask &= ~(1 << drm_plane_index(c->primary));
                }
        }
+}
 
-       intel_backlight_register(dev);
+int intel_connector_register(struct drm_connector *connector)
+{
+       struct intel_connector *intel_connector = to_intel_connector(connector);
+       int ret;
+
+       ret = intel_backlight_device_register(intel_connector);
+       if (ret)
+               goto err;
+
+       return 0;
+
+err:
+       return ret;
 }
 
-void intel_connector_unregister(struct intel_connector *intel_connector)
+void intel_connector_unregister(struct drm_connector *connector)
 {
-       struct drm_connector *connector = &intel_connector->base;
+       struct intel_connector *intel_connector = to_intel_connector(connector);
 
+       intel_backlight_device_unregister(intel_connector);
        intel_panel_destroy_backlight(connector);
-       drm_connector_unregister(connector);
 }
 
 void intel_modeset_cleanup(struct drm_device *dev)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_connector *connector;
-
-       intel_disable_gt_powersave(dev);
+       struct drm_i915_private *dev_priv = to_i915(dev);
 
-       intel_backlight_unregister(dev);
+       intel_disable_gt_powersave(dev_priv);
 
        /*
         * Interrupts and polling as the first thing to avoid creating havoc.
@@ -16100,27 +16370,15 @@ void intel_modeset_cleanup(struct drm_device *dev)
        /* flush any delayed tasks or pending work */
        flush_scheduled_work();
 
-       /* destroy the backlight and sysfs files before encoders/connectors */
-       for_each_intel_connector(dev, connector)
-               connector->unregister(connector);
-
        drm_mode_config_cleanup(dev);
 
-       intel_cleanup_overlay(dev);
+       intel_cleanup_overlay(dev_priv);
 
-       intel_cleanup_gt_powersave(dev);
+       intel_cleanup_gt_powersave(dev_priv);
 
        intel_teardown_gmbus(dev);
 }
 
-/*
- * Return which encoder is currently attached for connector.
- */
-struct drm_encoder *intel_best_encoder(struct drm_connector *connector)
-{
-       return &intel_attached_encoder(connector)->base;
-}
-
 void intel_connector_attach_encoder(struct intel_connector *connector,
                                    struct intel_encoder *encoder)
 {
@@ -16134,7 +16392,7 @@ void intel_connector_attach_encoder(struct intel_connector *connector,
  */
 int intel_modeset_vga_set_state(struct drm_device *dev, bool state)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        unsigned reg = INTEL_INFO(dev)->gen >= 6 ? SNB_GMCH_CTRL : INTEL_GMCH_CTRL;
        u16 gmch_ctrl;
 
@@ -16204,9 +16462,8 @@ struct intel_display_error_state {
 };
 
 struct intel_display_error_state *
-intel_display_capture_error_state(struct drm_device *dev)
+intel_display_capture_error_state(struct drm_i915_private *dev_priv)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
        struct intel_display_error_state *error;
        int transcoders[] = {
                TRANSCODER_A,
@@ -16216,14 +16473,14 @@ intel_display_capture_error_state(struct drm_device *dev)
        };
        int i;
 
-       if (INTEL_INFO(dev)->num_pipes == 0)
+       if (INTEL_INFO(dev_priv)->num_pipes == 0)
                return NULL;
 
        error = kzalloc(sizeof(*error), GFP_ATOMIC);
        if (error == NULL)
                return NULL;
 
-       if (IS_HASWELL(dev) || IS_BROADWELL(dev))
+       if (IS_HASWELL(dev_priv) || IS_BROADWELL(dev_priv))
                error->power_well_driver = I915_READ(HSW_PWR_WELL_DRIVER);
 
        for_each_pipe(dev_priv, i) {
@@ -16239,25 +16496,25 @@ intel_display_capture_error_state(struct drm_device *dev)
 
                error->plane[i].control = I915_READ(DSPCNTR(i));
                error->plane[i].stride = I915_READ(DSPSTRIDE(i));
-               if (INTEL_INFO(dev)->gen <= 3) {
+               if (INTEL_GEN(dev_priv) <= 3) {
                        error->plane[i].size = I915_READ(DSPSIZE(i));
                        error->plane[i].pos = I915_READ(DSPPOS(i));
                }
-               if (INTEL_INFO(dev)->gen <= 7 && !IS_HASWELL(dev))
+               if (INTEL_GEN(dev_priv) <= 7 && !IS_HASWELL(dev_priv))
                        error->plane[i].addr = I915_READ(DSPADDR(i));
-               if (INTEL_INFO(dev)->gen >= 4) {
+               if (INTEL_GEN(dev_priv) >= 4) {
                        error->plane[i].surface = I915_READ(DSPSURF(i));
                        error->plane[i].tile_offset = I915_READ(DSPTILEOFF(i));
                }
 
                error->pipe[i].source = I915_READ(PIPESRC(i));
 
-               if (HAS_GMCH_DISPLAY(dev))
+               if (HAS_GMCH_DISPLAY(dev_priv))
                        error->pipe[i].stat = I915_READ(PIPESTAT(i));
        }
 
        /* Note: this does not include DSI transcoders. */
-       error->num_transcoders = INTEL_INFO(dev)->num_pipes;
+       error->num_transcoders = INTEL_INFO(dev_priv)->num_pipes;
        if (HAS_DDI(dev_priv))
                error->num_transcoders++; /* Account for eDP. */
 
@@ -16291,7 +16548,7 @@ intel_display_print_error_state(struct drm_i915_error_state_buf *m,
                                struct drm_device *dev,
                                struct intel_display_error_state *error)
 {
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        int i;
 
        if (!error)