#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[] = {
DRM_FORMAT_C8,
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 */
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);
}
}
}
-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);
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 },
.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 },
.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 },
.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 },
.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 },
};
-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 },
},
};
-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 },
.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 },
},
};
-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 },
},
};
-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 */
.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 },
* 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 },
.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 },
.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 },
};
/* 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 },
.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 },
.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
.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
.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 },
* 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;
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;
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;
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;
*/
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");
}
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)
{
* 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));
* 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));
* 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 */
* 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)
{
* 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);
* 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;
}
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);
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 */
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;
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)
}
}
-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
* 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;
}
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)
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;
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;
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);
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);
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);
}
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),
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),
/* 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;
}
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;
}
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;
/*
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);
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;
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)) {
struct drm_i915_private *dev_priv = dev->dev_private;
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;
+
+ if (cdclk == dev_priv->cdclk_pll.ref)
+ return 0;
- /* frequency = 19.2MHz * ratio / 2 / div{1,1.5,2,4} */
- switch (frequency) {
+ 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 (wait_for((I915_READ(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 (wait_for((I915_READ(BXT_DE_PLL_ENABLE) & BXT_DE_PLL_LOCK) != 0, 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;
+ bool changed = dev_priv->skl_preferred_vco_freq != vco;
- for (i = 0; i < ARRAY_SIZE(skl_cdclk_frequencies); i++) {
- const struct skl_cdclk_entry *e = &skl_cdclk_frequencies[i];
+ dev_priv->skl_preferred_vco_freq = vco;
- if (e->freq == freq)
- return e->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);
* 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
if (wait_for(I915_READ(LCPLL1_CTL) & 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 (wait_for(!(I915_READ(LCPLL1_CTL) & LCPLL_PLL_LOCK), 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)
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");
}
/* set CDCLK_CTL */
- switch(freq) {
+ switch (cdclk) {
case 450000:
case 432000:
freq_select = CDCLK_FREQ_450_432;
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 */
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;
+ int cdclk, 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);
- }
-
- /* 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
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
* 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 */
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;
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);
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;
}
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);
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;
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
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
*/
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;
}
/*
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)
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;
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;
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_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- const intel_limit_t *limit;
+ const struct intel_limit *limit;
int refclk = 48000;
memset(&crtc_state->dpll_hw_state, 0,
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- const intel_limit_t *limit;
+ const struct intel_limit *limit;
int refclk = 96000;
memset(&crtc_state->dpll_hw_state, 0,
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- const intel_limit_t *limit;
+ const struct intel_limit *limit;
int refclk = 96000;
memset(&crtc_state->dpll_hw_state, 0,
{
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- const intel_limit_t *limit;
+ const struct intel_limit *limit;
int refclk = 96000;
memset(&crtc_state->dpll_hw_state, 0,
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));
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));
struct drm_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
int pipe = pipe_config->cpu_transcoder;
- intel_clock_t clock;
+ struct dpll clock;
u32 mdiv;
int refclk = 100000;
struct drm_i915_private *dev_priv = dev->dev_private;
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;
{
struct drm_i915_private *dev_priv = dev->dev_private;
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) {
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
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)
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;
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);
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_device *dev = crtc->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- intel_clock_t reduced_clock;
+ 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,
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);
}
}
-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 */
cdclk, dev_priv->cdclk_freq);
}
-static int broadwell_modeset_calc_cdclk(struct drm_atomic_state *state)
+static int broadwell_calc_cdclk(int max_pixclk)
{
- struct drm_i915_private *dev_priv = to_i915(state->dev);
- struct intel_atomic_state *intel_state = to_intel_atomic_state(state);
- int max_pixclk = ilk_max_pixel_rate(state);
- int cdclk;
-
- /*
- * FIXME should also account for plane ratio
- * once 64bpp pixel formats are supported.
- */
if (max_pixclk > 540000)
- cdclk = 675000;
+ return 675000;
else if (max_pixclk > 450000)
- cdclk = 540000;
+ return 540000;
else if (max_pixclk > 337500)
- cdclk = 450000;
+ return 450000;
else
- cdclk = 337500;
+ return 337500;
+}
+
+static int broadwell_modeset_calc_cdclk(struct drm_atomic_state *state)
+{
+ struct drm_i915_private *dev_priv = to_i915(state->dev);
+ struct intel_atomic_state *intel_state = to_intel_atomic_state(state);
+ int max_pixclk = ilk_max_pixel_rate(state);
+ int cdclk;
+
+ /*
+ * FIXME should also account for plane ratio
+ * once 64bpp pixel formats are supported.
+ */
+ 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",
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;
}
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)
{
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;
/*
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;
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);
return mode;
}
-void intel_mark_busy(struct drm_device *dev)
+void intel_mark_busy(struct drm_i915_private *dev_priv)
{
- 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)
+ if (INTEL_GEN(dev_priv) >= 6)
gen6_rps_busy(dev_priv);
dev_priv->mm.busy = true;
}
-void intel_mark_idle(struct drm_device *dev)
+void intel_mark_idle(struct drm_i915_private *dev_priv)
{
- 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);
+ if (INTEL_GEN(dev_priv) >= 6)
+ gen6_rps_idle(dev_priv);
intel_runtime_pm_put(dev_priv);
}
{
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);
}
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);
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;
* 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,
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;
}
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;
}
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
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;
}
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
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;
}
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;
}
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)
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;
}
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;
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;
-
- spin_lock_irq(&crtc->base.dev->event_lock);
- work = crtc->unpin_work;
- spin_unlock_irq(&crtc->base.dev->event_lock);
- if (work == NULL)
- return;
-
- intel_mark_page_flip_active(work);
-
- intel_pipe_update_start(crtc);
-
- if (INTEL_INFO(mmio_flip->i915)->gen >= 9)
- skl_do_mmio_flip(crtc, mmio_flip->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_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(mmio_flip->crtc->base.primary->fb);
+ to_intel_framebuffer(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,
+ if (work->flip_queued_req)
+ WARN_ON(__i915_wait_request(work->flip_queued_req,
false, NULL,
- &mmio_flip->i915->rps.mmioflips));
- i915_gem_request_unreference__unlocked(mmio_flip->req);
- }
+ &dev_priv->rps.mmioflips));
/* For framebuffer backed by dmabuf, wait for fence */
if (obj->base.dma_buf)
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;
+ intel_pipe_update_start(crtc);
- INIT_WORK(&mmio_flip->work, intel_mmio_flip_work_func);
- schedule_work(&mmio_flip->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);
- return 0;
+ intel_pipe_update_end(crtc, work);
}
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))
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));
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());
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);
}
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;
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 {
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)
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;
*/
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;
}
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);
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);
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) {
* 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;
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) {
}
} 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) {
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));
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));
}
}
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);
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);
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);
}
/*
* 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)
* 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;
}
/**
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. */
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,
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) ?
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_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;
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)
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_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,
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);
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);
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);
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
* 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 = dev->dev_private;
+ 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;
}
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;
}
{
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);
int ret = 0;
ret = intel_pin_and_fence_fb_obj(fb, new_state->rotation);
}
- if (ret == 0) {
- if (obj) {
- struct intel_plane_state *plane_state =
- to_intel_plane_state(new_state);
-
- i915_gem_request_assign(&plane_state->wait_req,
- obj->last_write_req);
- }
+ if (ret == 0 && obj) {
+ struct intel_plane_state *plane_state =
+ to_intel_plane_state(new_state);
- 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;
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);
!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);
}
{
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
- intel_pipe_update_end(intel_crtc);
+ intel_pipe_update_end(intel_crtc, NULL);
}
/**
*/
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 = {
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;
&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;
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;
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);
}
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
* 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);
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;
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 =
+ 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 =
- broxton_modeset_calc_cdclk;
+ skl_modeset_calc_cdclk;
}
switch (INTEL_INFO(dev_priv)->gen) {
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);
}
/*
}
/* 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);
}
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);
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
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");
}
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
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_connector *connector;
- intel_disable_gt_powersave(dev);
+ intel_disable_gt_powersave(dev_priv);
intel_backlight_unregister(dev);
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)
{
};
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,
};
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) {
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. */
projects / cascardo / linux.git / blobdiff