Merge tag 'drm-intel-next-2016-09-19' of git://anongit.freedesktop.org/drm-intel...
[cascardo/linux.git] / drivers / gpu / drm / i915 / intel_display.c
index d224f64..497d99b 100644 (file)
@@ -1907,7 +1907,7 @@ static void ironlake_disable_pch_transcoder(struct drm_i915_private *dev_priv,
        }
 }
 
-static void lpt_disable_pch_transcoder(struct drm_i915_private *dev_priv)
+void lpt_disable_pch_transcoder(struct drm_i915_private *dev_priv)
 {
        u32 val;
 
@@ -3377,6 +3377,7 @@ static void skylake_update_primary_plane(struct drm_plane *plane,
        struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->base.crtc);
        struct drm_framebuffer *fb = plane_state->base.fb;
+       const struct skl_wm_values *wm = &dev_priv->wm.skl_results;
        int pipe = intel_crtc->pipe;
        u32 plane_ctl;
        unsigned int rotation = plane_state->base.rotation;
@@ -3410,6 +3411,9 @@ static void skylake_update_primary_plane(struct drm_plane *plane,
        intel_crtc->adjusted_x = src_x;
        intel_crtc->adjusted_y = src_y;
 
+       if (wm->dirty_pipes & drm_crtc_mask(&intel_crtc->base))
+               skl_write_plane_wm(intel_crtc, wm, 0);
+
        I915_WRITE(PLANE_CTL(pipe, 0), plane_ctl);
        I915_WRITE(PLANE_OFFSET(pipe, 0), (src_y << 16) | src_x);
        I915_WRITE(PLANE_STRIDE(pipe, 0), stride);
@@ -3441,7 +3445,15 @@ static void skylake_disable_primary_plane(struct drm_plane *primary,
 {
        struct drm_device *dev = crtc->dev;
        struct drm_i915_private *dev_priv = to_i915(dev);
-       int pipe = to_intel_crtc(crtc)->pipe;
+       struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+       int pipe = intel_crtc->pipe;
+
+       /*
+        * We only populate skl_results on watermark updates, and if the
+        * plane's visiblity isn't actually changing neither is its watermarks.
+        */
+       if (!crtc->primary->state->visible)
+               skl_write_plane_wm(intel_crtc, &dev_priv->wm.skl_results, 0);
 
        I915_WRITE(PLANE_CTL(pipe, 0), 0);
        I915_WRITE(PLANE_SURF(pipe, 0), 0);
@@ -3634,15 +3646,26 @@ void intel_finish_reset(struct drm_i915_private *dev_priv)
        mutex_unlock(&dev->mode_config.mutex);
 }
 
+static bool abort_flip_on_reset(struct intel_crtc *crtc)
+{
+       struct i915_gpu_error *error = &to_i915(crtc->base.dev)->gpu_error;
+
+       if (i915_reset_in_progress(error))
+               return true;
+
+       if (crtc->reset_count != i915_reset_count(error))
+               return true;
+
+       return false;
+}
+
 static bool intel_crtc_has_pending_flip(struct drm_crtc *crtc)
 {
        struct drm_device *dev = crtc->dev;
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-       unsigned reset_counter;
        bool pending;
 
-       reset_counter = i915_reset_counter(&to_i915(dev)->gpu_error);
-       if (intel_crtc->reset_counter != reset_counter)
+       if (abort_flip_on_reset(intel_crtc))
                return false;
 
        spin_lock_irq(&dev->event_lock);
@@ -4285,7 +4308,7 @@ static int intel_crtc_wait_for_pending_flips(struct drm_crtc *crtc)
        return 0;
 }
 
-static void lpt_disable_iclkip(struct drm_i915_private *dev_priv)
+void lpt_disable_iclkip(struct drm_i915_private *dev_priv)
 {
        u32 temp;
 
@@ -5154,15 +5177,137 @@ static void intel_crtc_disable_planes(struct drm_crtc *crtc, unsigned plane_mask
        intel_frontbuffer_flip(to_i915(dev), INTEL_FRONTBUFFER_ALL_MASK(pipe));
 }
 
-static void ironlake_crtc_enable(struct drm_crtc *crtc)
+static void intel_encoders_pre_pll_enable(struct drm_crtc *crtc,
+                                         struct intel_crtc_state *crtc_state,
+                                         struct drm_atomic_state *old_state)
+{
+       struct drm_connector_state *old_conn_state;
+       struct drm_connector *conn;
+       int i;
+
+       for_each_connector_in_state(old_state, conn, old_conn_state, i) {
+               struct drm_connector_state *conn_state = conn->state;
+               struct intel_encoder *encoder =
+                       to_intel_encoder(conn_state->best_encoder);
+
+               if (conn_state->crtc != crtc)
+                       continue;
+
+               if (encoder->pre_pll_enable)
+                       encoder->pre_pll_enable(encoder, crtc_state, conn_state);
+       }
+}
+
+static void intel_encoders_pre_enable(struct drm_crtc *crtc,
+                                     struct intel_crtc_state *crtc_state,
+                                     struct drm_atomic_state *old_state)
+{
+       struct drm_connector_state *old_conn_state;
+       struct drm_connector *conn;
+       int i;
+
+       for_each_connector_in_state(old_state, conn, old_conn_state, i) {
+               struct drm_connector_state *conn_state = conn->state;
+               struct intel_encoder *encoder =
+                       to_intel_encoder(conn_state->best_encoder);
+
+               if (conn_state->crtc != crtc)
+                       continue;
+
+               if (encoder->pre_enable)
+                       encoder->pre_enable(encoder, crtc_state, conn_state);
+       }
+}
+
+static void intel_encoders_enable(struct drm_crtc *crtc,
+                                 struct intel_crtc_state *crtc_state,
+                                 struct drm_atomic_state *old_state)
 {
+       struct drm_connector_state *old_conn_state;
+       struct drm_connector *conn;
+       int i;
+
+       for_each_connector_in_state(old_state, conn, old_conn_state, i) {
+               struct drm_connector_state *conn_state = conn->state;
+               struct intel_encoder *encoder =
+                       to_intel_encoder(conn_state->best_encoder);
+
+               if (conn_state->crtc != crtc)
+                       continue;
+
+               encoder->enable(encoder, crtc_state, conn_state);
+               intel_opregion_notify_encoder(encoder, true);
+       }
+}
+
+static void intel_encoders_disable(struct drm_crtc *crtc,
+                                  struct intel_crtc_state *old_crtc_state,
+                                  struct drm_atomic_state *old_state)
+{
+       struct drm_connector_state *old_conn_state;
+       struct drm_connector *conn;
+       int i;
+
+       for_each_connector_in_state(old_state, conn, old_conn_state, i) {
+               struct intel_encoder *encoder =
+                       to_intel_encoder(old_conn_state->best_encoder);
+
+               if (old_conn_state->crtc != crtc)
+                       continue;
+
+               intel_opregion_notify_encoder(encoder, false);
+               encoder->disable(encoder, old_crtc_state, old_conn_state);
+       }
+}
+
+static void intel_encoders_post_disable(struct drm_crtc *crtc,
+                                       struct intel_crtc_state *old_crtc_state,
+                                       struct drm_atomic_state *old_state)
+{
+       struct drm_connector_state *old_conn_state;
+       struct drm_connector *conn;
+       int i;
+
+       for_each_connector_in_state(old_state, conn, old_conn_state, i) {
+               struct intel_encoder *encoder =
+                       to_intel_encoder(old_conn_state->best_encoder);
+
+               if (old_conn_state->crtc != crtc)
+                       continue;
+
+               if (encoder->post_disable)
+                       encoder->post_disable(encoder, old_crtc_state, old_conn_state);
+       }
+}
+
+static void intel_encoders_post_pll_disable(struct drm_crtc *crtc,
+                                           struct intel_crtc_state *old_crtc_state,
+                                           struct drm_atomic_state *old_state)
+{
+       struct drm_connector_state *old_conn_state;
+       struct drm_connector *conn;
+       int i;
+
+       for_each_connector_in_state(old_state, conn, old_conn_state, i) {
+               struct intel_encoder *encoder =
+                       to_intel_encoder(old_conn_state->best_encoder);
+
+               if (old_conn_state->crtc != crtc)
+                       continue;
+
+               if (encoder->post_pll_disable)
+                       encoder->post_pll_disable(encoder, old_crtc_state, old_conn_state);
+       }
+}
+
+static void ironlake_crtc_enable(struct intel_crtc_state *pipe_config,
+                                struct drm_atomic_state *old_state)
+{
+       struct drm_crtc *crtc = pipe_config->base.crtc;
        struct drm_device *dev = crtc->dev;
        struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-       struct intel_encoder *encoder;
        int pipe = intel_crtc->pipe;
-       struct intel_crtc_state *pipe_config =
-               to_intel_crtc_state(crtc->state);
 
        if (WARN_ON(intel_crtc->active))
                return;
@@ -5200,9 +5345,7 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc)
 
        intel_crtc->active = true;
 
-       for_each_encoder_on_crtc(dev, crtc, encoder)
-               if (encoder->pre_enable)
-                       encoder->pre_enable(encoder);
+       intel_encoders_pre_enable(crtc, pipe_config, old_state);
 
        if (intel_crtc->config->has_pch_encoder) {
                /* Note: FDI PLL enabling _must_ be done before we enable the
@@ -5232,8 +5375,7 @@ static void ironlake_crtc_enable(struct drm_crtc *crtc)
        assert_vblank_disabled(crtc);
        drm_crtc_vblank_on(crtc);
 
-       for_each_encoder_on_crtc(dev, crtc, encoder)
-               encoder->enable(encoder);
+       intel_encoders_enable(crtc, pipe_config, old_state);
 
        if (HAS_PCH_CPT(dev))
                cpt_verify_modeset(dev, intel_crtc->pipe);
@@ -5251,16 +5393,15 @@ static bool hsw_crtc_supports_ips(struct intel_crtc *crtc)
        return HAS_IPS(crtc->base.dev) && crtc->pipe == PIPE_A;
 }
 
-static void haswell_crtc_enable(struct drm_crtc *crtc)
+static void haswell_crtc_enable(struct intel_crtc_state *pipe_config,
+                               struct drm_atomic_state *old_state)
 {
+       struct drm_crtc *crtc = pipe_config->base.crtc;
        struct drm_device *dev = crtc->dev;
        struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-       struct intel_encoder *encoder;
        int pipe = intel_crtc->pipe, hsw_workaround_pipe;
        enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder;
-       struct intel_crtc_state *pipe_config =
-               to_intel_crtc_state(crtc->state);
 
        if (WARN_ON(intel_crtc->active))
                return;
@@ -5269,9 +5410,7 @@ static void haswell_crtc_enable(struct drm_crtc *crtc)
                intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A,
                                                      false);
 
-       for_each_encoder_on_crtc(dev, crtc, encoder)
-               if (encoder->pre_pll_enable)
-                       encoder->pre_pll_enable(encoder);
+       intel_encoders_pre_pll_enable(crtc, pipe_config, old_state);
 
        if (intel_crtc->config->shared_dpll)
                intel_enable_shared_dpll(intel_crtc);
@@ -5309,10 +5448,7 @@ static void haswell_crtc_enable(struct drm_crtc *crtc)
        else
                intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true);
 
-       for_each_encoder_on_crtc(dev, crtc, encoder) {
-               if (encoder->pre_enable)
-                       encoder->pre_enable(encoder);
-       }
+       intel_encoders_pre_enable(crtc, pipe_config, old_state);
 
        if (intel_crtc->config->has_pch_encoder)
                dev_priv->display.fdi_link_train(crtc);
@@ -5353,10 +5489,7 @@ static void haswell_crtc_enable(struct drm_crtc *crtc)
        assert_vblank_disabled(crtc);
        drm_crtc_vblank_on(crtc);
 
-       for_each_encoder_on_crtc(dev, crtc, encoder) {
-               encoder->enable(encoder);
-               intel_opregion_notify_encoder(encoder, true);
-       }
+       intel_encoders_enable(crtc, pipe_config, old_state);
 
        if (intel_crtc->config->has_pch_encoder) {
                intel_wait_for_vblank(dev, pipe);
@@ -5390,12 +5523,13 @@ static void ironlake_pfit_disable(struct intel_crtc *crtc, bool force)
        }
 }
 
-static void ironlake_crtc_disable(struct drm_crtc *crtc)
+static void ironlake_crtc_disable(struct intel_crtc_state *old_crtc_state,
+                                 struct drm_atomic_state *old_state)
 {
+       struct drm_crtc *crtc = old_crtc_state->base.crtc;
        struct drm_device *dev = crtc->dev;
        struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-       struct intel_encoder *encoder;
        int pipe = intel_crtc->pipe;
 
        /*
@@ -5408,8 +5542,7 @@ static void ironlake_crtc_disable(struct drm_crtc *crtc)
                intel_set_pch_fifo_underrun_reporting(dev_priv, pipe, false);
        }
 
-       for_each_encoder_on_crtc(dev, crtc, encoder)
-               encoder->disable(encoder);
+       intel_encoders_disable(crtc, old_crtc_state, old_state);
 
        drm_crtc_vblank_off(crtc);
        assert_vblank_disabled(crtc);
@@ -5421,9 +5554,7 @@ static void ironlake_crtc_disable(struct drm_crtc *crtc)
        if (intel_crtc->config->has_pch_encoder)
                ironlake_fdi_disable(crtc);
 
-       for_each_encoder_on_crtc(dev, crtc, encoder)
-               if (encoder->post_disable)
-                       encoder->post_disable(encoder);
+       intel_encoders_post_disable(crtc, old_crtc_state, old_state);
 
        if (intel_crtc->config->has_pch_encoder) {
                ironlake_disable_pch_transcoder(dev_priv, pipe);
@@ -5453,22 +5584,20 @@ static void ironlake_crtc_disable(struct drm_crtc *crtc)
        intel_set_pch_fifo_underrun_reporting(dev_priv, pipe, true);
 }
 
-static void haswell_crtc_disable(struct drm_crtc *crtc)
+static void haswell_crtc_disable(struct intel_crtc_state *old_crtc_state,
+                                struct drm_atomic_state *old_state)
 {
+       struct drm_crtc *crtc = old_crtc_state->base.crtc;
        struct drm_device *dev = crtc->dev;
        struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-       struct intel_encoder *encoder;
        enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder;
 
        if (intel_crtc->config->has_pch_encoder)
                intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A,
                                                      false);
 
-       for_each_encoder_on_crtc(dev, crtc, encoder) {
-               intel_opregion_notify_encoder(encoder, false);
-               encoder->disable(encoder);
-       }
+       intel_encoders_disable(crtc, old_crtc_state, old_state);
 
        drm_crtc_vblank_off(crtc);
        assert_vblank_disabled(crtc);
@@ -5491,18 +5620,11 @@ static void haswell_crtc_disable(struct drm_crtc *crtc)
        if (!transcoder_is_dsi(cpu_transcoder))
                intel_ddi_disable_pipe_clock(intel_crtc);
 
-       for_each_encoder_on_crtc(dev, crtc, encoder)
-               if (encoder->post_disable)
-                       encoder->post_disable(encoder);
-
-       if (intel_crtc->config->has_pch_encoder) {
-               lpt_disable_pch_transcoder(dev_priv);
-               lpt_disable_iclkip(dev_priv);
-               intel_ddi_fdi_disable(crtc);
+       intel_encoders_post_disable(crtc, old_crtc_state, old_state);
 
+       if (old_crtc_state->has_pch_encoder)
                intel_set_pch_fifo_underrun_reporting(dev_priv, TRANSCODER_A,
                                                      true);
-       }
 }
 
 static void i9xx_pfit_enable(struct intel_crtc *crtc)
@@ -6558,14 +6680,13 @@ static void valleyview_modeset_commit_cdclk(struct drm_atomic_state *old_state)
        intel_display_power_put(dev_priv, POWER_DOMAIN_PIPE_A);
 }
 
-static void valleyview_crtc_enable(struct drm_crtc *crtc)
+static void valleyview_crtc_enable(struct intel_crtc_state *pipe_config,
+                                  struct drm_atomic_state *old_state)
 {
+       struct drm_crtc *crtc = pipe_config->base.crtc;
        struct drm_device *dev = crtc->dev;
        struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-       struct intel_encoder *encoder;
-       struct intel_crtc_state *pipe_config =
-               to_intel_crtc_state(crtc->state);
        int pipe = intel_crtc->pipe;
 
        if (WARN_ON(intel_crtc->active))
@@ -6590,9 +6711,7 @@ static void valleyview_crtc_enable(struct drm_crtc *crtc)
 
        intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true);
 
-       for_each_encoder_on_crtc(dev, crtc, encoder)
-               if (encoder->pre_pll_enable)
-                       encoder->pre_pll_enable(encoder);
+       intel_encoders_pre_pll_enable(crtc, pipe_config, old_state);
 
        if (IS_CHERRYVIEW(dev)) {
                chv_prepare_pll(intel_crtc, intel_crtc->config);
@@ -6602,9 +6721,7 @@ static void valleyview_crtc_enable(struct drm_crtc *crtc)
                vlv_enable_pll(intel_crtc, intel_crtc->config);
        }
 
-       for_each_encoder_on_crtc(dev, crtc, encoder)
-               if (encoder->pre_enable)
-                       encoder->pre_enable(encoder);
+       intel_encoders_pre_enable(crtc, pipe_config, old_state);
 
        i9xx_pfit_enable(intel_crtc);
 
@@ -6616,8 +6733,7 @@ static void valleyview_crtc_enable(struct drm_crtc *crtc)
        assert_vblank_disabled(crtc);
        drm_crtc_vblank_on(crtc);
 
-       for_each_encoder_on_crtc(dev, crtc, encoder)
-               encoder->enable(encoder);
+       intel_encoders_enable(crtc, pipe_config, old_state);
 }
 
 static void i9xx_set_pll_dividers(struct intel_crtc *crtc)
@@ -6629,14 +6745,13 @@ static void i9xx_set_pll_dividers(struct intel_crtc *crtc)
        I915_WRITE(FP1(crtc->pipe), crtc->config->dpll_hw_state.fp1);
 }
 
-static void i9xx_crtc_enable(struct drm_crtc *crtc)
+static void i9xx_crtc_enable(struct intel_crtc_state *pipe_config,
+                            struct drm_atomic_state *old_state)
 {
+       struct drm_crtc *crtc = pipe_config->base.crtc;
        struct drm_device *dev = crtc->dev;
        struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-       struct intel_encoder *encoder;
-       struct intel_crtc_state *pipe_config =
-               to_intel_crtc_state(crtc->state);
        enum pipe pipe = intel_crtc->pipe;
 
        if (WARN_ON(intel_crtc->active))
@@ -6657,9 +6772,7 @@ static void i9xx_crtc_enable(struct drm_crtc *crtc)
        if (!IS_GEN2(dev))
                intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true);
 
-       for_each_encoder_on_crtc(dev, crtc, encoder)
-               if (encoder->pre_enable)
-                       encoder->pre_enable(encoder);
+       intel_encoders_pre_enable(crtc, pipe_config, old_state);
 
        i9xx_enable_pll(intel_crtc);
 
@@ -6673,8 +6786,7 @@ static void i9xx_crtc_enable(struct drm_crtc *crtc)
        assert_vblank_disabled(crtc);
        drm_crtc_vblank_on(crtc);
 
-       for_each_encoder_on_crtc(dev, crtc, encoder)
-               encoder->enable(encoder);
+       intel_encoders_enable(crtc, pipe_config, old_state);
 }
 
 static void i9xx_pfit_disable(struct intel_crtc *crtc)
@@ -6692,12 +6804,13 @@ static void i9xx_pfit_disable(struct intel_crtc *crtc)
        I915_WRITE(PFIT_CONTROL, 0);
 }
 
-static void i9xx_crtc_disable(struct drm_crtc *crtc)
+static void i9xx_crtc_disable(struct intel_crtc_state *old_crtc_state,
+                             struct drm_atomic_state *old_state)
 {
+       struct drm_crtc *crtc = old_crtc_state->base.crtc;
        struct drm_device *dev = crtc->dev;
        struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-       struct intel_encoder *encoder;
        int pipe = intel_crtc->pipe;
 
        /*
@@ -6707,8 +6820,7 @@ static void i9xx_crtc_disable(struct drm_crtc *crtc)
        if (IS_GEN2(dev))
                intel_wait_for_vblank(dev, pipe);
 
-       for_each_encoder_on_crtc(dev, crtc, encoder)
-               encoder->disable(encoder);
+       intel_encoders_disable(crtc, old_crtc_state, old_state);
 
        drm_crtc_vblank_off(crtc);
        assert_vblank_disabled(crtc);
@@ -6717,9 +6829,7 @@ static void i9xx_crtc_disable(struct drm_crtc *crtc)
 
        i9xx_pfit_disable(intel_crtc);
 
-       for_each_encoder_on_crtc(dev, crtc, encoder)
-               if (encoder->post_disable)
-                       encoder->post_disable(encoder);
+       intel_encoders_post_disable(crtc, old_crtc_state, old_state);
 
        if (!intel_crtc_has_type(intel_crtc->config, INTEL_OUTPUT_DSI)) {
                if (IS_CHERRYVIEW(dev))
@@ -6730,9 +6840,7 @@ static void i9xx_crtc_disable(struct drm_crtc *crtc)
                        i9xx_disable_pll(intel_crtc);
        }
 
-       for_each_encoder_on_crtc(dev, crtc, encoder)
-               if (encoder->post_pll_disable)
-                       encoder->post_pll_disable(encoder);
+       intel_encoders_post_pll_disable(crtc, old_crtc_state, old_state);
 
        if (!IS_GEN2(dev))
                intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false);
@@ -6745,6 +6853,9 @@ static void intel_crtc_disable_noatomic(struct drm_crtc *crtc)
        struct drm_i915_private *dev_priv = to_i915(crtc->dev);
        enum intel_display_power_domain domain;
        unsigned long domains;
+       struct drm_atomic_state *state;
+       struct intel_crtc_state *crtc_state;
+       int ret;
 
        if (!intel_crtc->active)
                return;
@@ -6758,7 +6869,18 @@ static void intel_crtc_disable_noatomic(struct drm_crtc *crtc)
                to_intel_plane_state(crtc->primary->state)->base.visible = false;
        }
 
-       dev_priv->display.crtc_disable(crtc);
+       state = drm_atomic_state_alloc(crtc->dev);
+       state->acquire_ctx = crtc->dev->mode_config.acquire_ctx;
+
+       /* Everything's already locked, -EDEADLK can't happen. */
+       crtc_state = intel_atomic_get_crtc_state(state, intel_crtc);
+       ret = drm_atomic_add_affected_connectors(state, crtc);
+
+       WARN_ON(IS_ERR(crtc_state) || ret);
+
+       dev_priv->display.crtc_disable(crtc_state, state);
+
+       drm_atomic_state_free(state);
 
        DRM_DEBUG_KMS("[CRTC:%d:%s] hw state adjusted, was enabled, now disabled\n",
                      crtc->base.id, crtc->name);
@@ -7273,9 +7395,10 @@ static int i9xx_misc_get_display_clock_speed(struct drm_device *dev)
 
 static int pnv_get_display_clock_speed(struct drm_device *dev)
 {
+       struct pci_dev *pdev = dev->pdev;
        u16 gcfgc = 0;
 
-       pci_read_config_word(dev->pdev, GCFGC, &gcfgc);
+       pci_read_config_word(pdev, GCFGC, &gcfgc);
 
        switch (gcfgc & GC_DISPLAY_CLOCK_MASK) {
        case GC_DISPLAY_CLOCK_267_MHZ_PNV:
@@ -7297,9 +7420,10 @@ static int pnv_get_display_clock_speed(struct drm_device *dev)
 
 static int i915gm_get_display_clock_speed(struct drm_device *dev)
 {
+       struct pci_dev *pdev = dev->pdev;
        u16 gcfgc = 0;
 
-       pci_read_config_word(dev->pdev, GCFGC, &gcfgc);
+       pci_read_config_word(pdev, GCFGC, &gcfgc);
 
        if (gcfgc & GC_LOW_FREQUENCY_ENABLE)
                return 133333;
@@ -7321,6 +7445,7 @@ static int i865_get_display_clock_speed(struct drm_device *dev)
 
 static int i85x_get_display_clock_speed(struct drm_device *dev)
 {
+       struct pci_dev *pdev = dev->pdev;
        u16 hpllcc = 0;
 
        /*
@@ -7328,10 +7453,10 @@ static int i85x_get_display_clock_speed(struct drm_device *dev)
         * encoding is different :(
         * FIXME is this the right way to detect 852GM/852GMV?
         */
-       if (dev->pdev->revision == 0x1)
+       if (pdev->revision == 0x1)
                return 133333;
 
-       pci_bus_read_config_word(dev->pdev->bus,
+       pci_bus_read_config_word(pdev->bus,
                                 PCI_DEVFN(0, 3), HPLLCC, &hpllcc);
 
        /* Assume that the hardware is in the high speed state.  This
@@ -7432,10 +7557,11 @@ static unsigned int intel_hpll_vco(struct drm_device *dev)
 
 static int gm45_get_display_clock_speed(struct drm_device *dev)
 {
+       struct pci_dev *pdev = dev->pdev;
        unsigned int cdclk_sel, vco = intel_hpll_vco(dev);
        uint16_t tmp = 0;
 
-       pci_read_config_word(dev->pdev, GCFGC, &tmp);
+       pci_read_config_word(pdev, GCFGC, &tmp);
 
        cdclk_sel = (tmp >> 12) & 0x1;
 
@@ -7454,6 +7580,7 @@ static int gm45_get_display_clock_speed(struct drm_device *dev)
 
 static int i965gm_get_display_clock_speed(struct drm_device *dev)
 {
+       struct pci_dev *pdev = dev->pdev;
        static const uint8_t div_3200[] = { 16, 10,  8 };
        static const uint8_t div_4000[] = { 20, 12, 10 };
        static const uint8_t div_5333[] = { 24, 16, 14 };
@@ -7461,7 +7588,7 @@ static int i965gm_get_display_clock_speed(struct drm_device *dev)
        unsigned int cdclk_sel, vco = intel_hpll_vco(dev);
        uint16_t tmp = 0;
 
-       pci_read_config_word(dev->pdev, GCFGC, &tmp);
+       pci_read_config_word(pdev, GCFGC, &tmp);
 
        cdclk_sel = ((tmp >> 8) & 0x1f) - 1;
 
@@ -7491,6 +7618,7 @@ fail:
 
 static int g33_get_display_clock_speed(struct drm_device *dev)
 {
+       struct pci_dev *pdev = dev->pdev;
        static const uint8_t div_3200[] = { 12, 10,  8,  7, 5, 16 };
        static const uint8_t div_4000[] = { 14, 12, 10,  8, 6, 20 };
        static const uint8_t div_4800[] = { 20, 14, 12, 10, 8, 24 };
@@ -7499,7 +7627,7 @@ static int g33_get_display_clock_speed(struct drm_device *dev)
        unsigned int cdclk_sel, vco = intel_hpll_vco(dev);
        uint16_t tmp = 0;
 
-       pci_read_config_word(dev->pdev, GCFGC, &tmp);
+       pci_read_config_word(pdev, GCFGC, &tmp);
 
        cdclk_sel = (tmp >> 4) & 0x7;
 
@@ -9665,7 +9793,7 @@ skylake_get_initial_plane_config(struct intel_crtc *crtc,
        return;
 
 error:
-       kfree(fb);
+       kfree(intel_fb);
 }
 
 static void ironlake_get_pfit_config(struct intel_crtc *crtc,
@@ -9910,7 +10038,7 @@ static void hsw_write_dcomp(struct drm_i915_private *dev_priv, uint32_t val)
                mutex_lock(&dev_priv->rps.hw_lock);
                if (sandybridge_pcode_write(dev_priv, GEN6_PCODE_WRITE_D_COMP,
                                            val))
-                       DRM_ERROR("Failed to write to D_COMP\n");
+                       DRM_DEBUG_KMS("Failed to write to D_COMP\n");
                mutex_unlock(&dev_priv->rps.hw_lock);
        } else {
                I915_WRITE(D_COMP_BDW, val);
@@ -10318,15 +10446,12 @@ static void bxt_get_ddi_pll(struct drm_i915_private *dev_priv,
 
        switch (port) {
        case PORT_A:
-               pipe_config->ddi_pll_sel = SKL_DPLL0;
                id = DPLL_ID_SKL_DPLL0;
                break;
        case PORT_B:
-               pipe_config->ddi_pll_sel = SKL_DPLL1;
                id = DPLL_ID_SKL_DPLL1;
                break;
        case PORT_C:
-               pipe_config->ddi_pll_sel = SKL_DPLL2;
                id = DPLL_ID_SKL_DPLL2;
                break;
        default:
@@ -10345,25 +10470,10 @@ static void skylake_get_ddi_pll(struct drm_i915_private *dev_priv,
        u32 temp;
 
        temp = I915_READ(DPLL_CTRL2) & DPLL_CTRL2_DDI_CLK_SEL_MASK(port);
-       pipe_config->ddi_pll_sel = temp >> (port * 3 + 1);
+       id = temp >> (port * 3 + 1);
 
-       switch (pipe_config->ddi_pll_sel) {
-       case SKL_DPLL0:
-               id = DPLL_ID_SKL_DPLL0;
-               break;
-       case SKL_DPLL1:
-               id = DPLL_ID_SKL_DPLL1;
-               break;
-       case SKL_DPLL2:
-               id = DPLL_ID_SKL_DPLL2;
-               break;
-       case SKL_DPLL3:
-               id = DPLL_ID_SKL_DPLL3;
-               break;
-       default:
-               MISSING_CASE(pipe_config->ddi_pll_sel);
+       if (WARN_ON(id < SKL_DPLL0 || id > SKL_DPLL3))
                return;
-       }
 
        pipe_config->shared_dpll = intel_get_shared_dpll_by_id(dev_priv, id);
 }
@@ -10373,10 +10483,9 @@ static void haswell_get_ddi_pll(struct drm_i915_private *dev_priv,
                                struct intel_crtc_state *pipe_config)
 {
        enum intel_dpll_id id;
+       uint32_t ddi_pll_sel = I915_READ(PORT_CLK_SEL(port));
 
-       pipe_config->ddi_pll_sel = I915_READ(PORT_CLK_SEL(port));
-
-       switch (pipe_config->ddi_pll_sel) {
+       switch (ddi_pll_sel) {
        case PORT_CLK_SEL_WRPLL1:
                id = DPLL_ID_WRPLL1;
                break;
@@ -10396,7 +10505,7 @@ static void haswell_get_ddi_pll(struct drm_i915_private *dev_priv,
                id = DPLL_ID_LCPLL_2700;
                break;
        default:
-               MISSING_CASE(pipe_config->ddi_pll_sel);
+               MISSING_CASE(ddi_pll_sel);
                /* fall through */
        case PORT_CLK_SEL_NONE:
                return;
@@ -10690,9 +10799,13 @@ static void i9xx_update_cursor(struct drm_crtc *crtc, u32 base,
        struct drm_device *dev = crtc->dev;
        struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+       const struct skl_wm_values *wm = &dev_priv->wm.skl_results;
        int pipe = intel_crtc->pipe;
        uint32_t cntl = 0;
 
+       if (INTEL_GEN(dev_priv) >= 9 && wm->dirty_pipes & drm_crtc_mask(crtc))
+               skl_write_cursor_wm(intel_crtc, wm);
+
        if (plane_state && plane_state->base.visible) {
                cntl = MCURSOR_GAMMA_ENABLE;
                switch (plane_state->base.crtc_w) {
@@ -11431,10 +11544,8 @@ static bool __pageflip_finished_cs(struct intel_crtc *crtc,
 {
        struct drm_device *dev = crtc->base.dev;
        struct drm_i915_private *dev_priv = to_i915(dev);
-       unsigned reset_counter;
 
-       reset_counter = i915_reset_counter(&dev_priv->gpu_error);
-       if (crtc->reset_counter != reset_counter)
+       if (abort_flip_on_reset(crtc))
                return true;
 
        /*
@@ -11911,8 +12022,7 @@ static void intel_mmio_flip_work_func(struct work_struct *w)
 
        if (work->flip_queued_req)
                WARN_ON(i915_wait_request(work->flip_queued_req,
-                                         false, NULL,
-                                         NO_WAITBOOST));
+                                         0, NULL, NO_WAITBOOST));
 
        /* For framebuffer backed by dmabuf, wait for fence */
        resv = i915_gem_object_get_dmabuf_resv(obj);
@@ -12094,17 +12204,14 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
        crtc->primary->fb = fb;
        update_state_fb(crtc->primary);
 
-       intel_fbc_pre_update(intel_crtc, intel_crtc->config,
-                            to_intel_plane_state(primary->state));
-
        work->pending_flip_obj = i915_gem_object_get(obj);
 
        ret = i915_mutex_lock_interruptible(dev);
        if (ret)
                goto cleanup;
 
-       intel_crtc->reset_counter = i915_reset_counter(&dev_priv->gpu_error);
-       if (__i915_reset_in_progress_or_wedged(intel_crtc->reset_counter)) {
+       intel_crtc->reset_count = i915_reset_count(&dev_priv->gpu_error);
+       if (i915_reset_in_progress_or_wedged(&dev_priv->gpu_error)) {
                ret = -EIO;
                goto cleanup;
        }
@@ -12142,6 +12249,17 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
        work->gtt_offset += intel_crtc->dspaddr_offset;
        work->rotation = crtc->primary->state->rotation;
 
+       /*
+        * There's the potential that the next frame will not be compatible with
+        * FBC, so we want to call pre_update() before the actual page flip.
+        * The problem is that pre_update() caches some information about the fb
+        * object, so we want to do this only after the object is pinned. Let's
+        * be on the safe side and do this immediately before scheduling the
+        * flip.
+        */
+       intel_fbc_pre_update(intel_crtc, intel_crtc->config,
+                            to_intel_plane_state(primary->state));
+
        if (mmio_flip) {
                INIT_WORK(&work->mmio_work, intel_mmio_flip_work_func);
 
@@ -12155,7 +12273,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
                        goto cleanup_unpin;
                }
 
-               ret = i915_gem_object_sync(obj, request);
+               ret = i915_gem_request_await_object(request, obj, false);
                if (ret)
                        goto cleanup_request;
 
@@ -12668,10 +12786,9 @@ static void intel_dump_pipe_config(struct intel_crtc *crtc,
        DRM_DEBUG_KMS("double wide: %i\n", pipe_config->double_wide);
 
        if (IS_BROXTON(dev)) {
-               DRM_DEBUG_KMS("ddi_pll_sel: %u; dpll_hw_state: ebb0: 0x%x, ebb4: 0x%x,"
+               DRM_DEBUG_KMS("dpll_hw_state: ebb0: 0x%x, ebb4: 0x%x,"
                              "pll0: 0x%x, pll1: 0x%x, pll2: 0x%x, pll3: 0x%x, "
                              "pll6: 0x%x, pll8: 0x%x, pll9: 0x%x, pll10: 0x%x, pcsdw12: 0x%x\n",
-                             pipe_config->ddi_pll_sel,
                              pipe_config->dpll_hw_state.ebb0,
                              pipe_config->dpll_hw_state.ebb4,
                              pipe_config->dpll_hw_state.pll0,
@@ -12684,15 +12801,13 @@ static void intel_dump_pipe_config(struct intel_crtc *crtc,
                              pipe_config->dpll_hw_state.pll10,
                              pipe_config->dpll_hw_state.pcsdw12);
        } else if (IS_SKYLAKE(dev) || IS_KABYLAKE(dev)) {
-               DRM_DEBUG_KMS("ddi_pll_sel: %u; dpll_hw_state: "
+               DRM_DEBUG_KMS("dpll_hw_state: "
                              "ctrl1: 0x%x, cfgcr1: 0x%x, cfgcr2: 0x%x\n",
-                             pipe_config->ddi_pll_sel,
                              pipe_config->dpll_hw_state.ctrl1,
                              pipe_config->dpll_hw_state.cfgcr1,
                              pipe_config->dpll_hw_state.cfgcr2);
        } else if (HAS_DDI(dev)) {
-               DRM_DEBUG_KMS("ddi_pll_sel: 0x%x; dpll_hw_state: wrpll: 0x%x spll: 0x%x\n",
-                             pipe_config->ddi_pll_sel,
+               DRM_DEBUG_KMS("dpll_hw_state: wrpll: 0x%x spll: 0x%x\n",
                              pipe_config->dpll_hw_state.wrpll,
                              pipe_config->dpll_hw_state.spll);
        } else {
@@ -12805,7 +12920,6 @@ clear_intel_crtc_state(struct intel_crtc_state *crtc_state)
        struct intel_crtc_scaler_state scaler_state;
        struct intel_dpll_hw_state dpll_hw_state;
        struct intel_shared_dpll *shared_dpll;
-       uint32_t ddi_pll_sel;
        bool force_thru;
 
        /* FIXME: before the switch to atomic started, a new pipe_config was
@@ -12817,7 +12931,6 @@ clear_intel_crtc_state(struct intel_crtc_state *crtc_state)
        scaler_state = crtc_state->scaler_state;
        shared_dpll = crtc_state->shared_dpll;
        dpll_hw_state = crtc_state->dpll_hw_state;
-       ddi_pll_sel = crtc_state->ddi_pll_sel;
        force_thru = crtc_state->pch_pfit.force_thru;
 
        memset(crtc_state, 0, sizeof *crtc_state);
@@ -12826,7 +12939,6 @@ clear_intel_crtc_state(struct intel_crtc_state *crtc_state)
        crtc_state->scaler_state = scaler_state;
        crtc_state->shared_dpll = shared_dpll;
        crtc_state->dpll_hw_state = dpll_hw_state;
-       crtc_state->ddi_pll_sel = ddi_pll_sel;
        crtc_state->pch_pfit.force_thru = force_thru;
 }
 
@@ -12914,7 +13026,7 @@ encoder_retry:
 
                encoder = to_intel_encoder(connector_state->best_encoder);
 
-               if (!(encoder->compute_config(encoder, pipe_config))) {
+               if (!(encoder->compute_config(encoder, pipe_config, connector_state))) {
                        DRM_DEBUG_KMS("Encoder config failure\n");
                        goto fail;
                }
@@ -13002,12 +13114,6 @@ static bool intel_fuzzy_clock_check(int clock1, int clock2)
        return false;
 }
 
-#define for_each_intel_crtc_masked(dev, mask, intel_crtc) \
-       list_for_each_entry((intel_crtc), \
-                           &(dev)->mode_config.crtc_list, \
-                           base.head) \
-               for_each_if (mask & (1 <<(intel_crtc)->pipe))
-
 static bool
 intel_compare_m_n(unsigned int m, unsigned int n,
                  unsigned int m2, unsigned int n2,
@@ -13255,8 +13361,6 @@ intel_pipe_config_compare(struct drm_device *dev,
 
        PIPE_CONF_CHECK_I(double_wide);
 
-       PIPE_CONF_CHECK_X(ddi_pll_sel);
-
        PIPE_CONF_CHECK_P(shared_dpll);
        PIPE_CONF_CHECK_X(dpll_hw_state.dpll);
        PIPE_CONF_CHECK_X(dpll_hw_state.dpll_md);
@@ -13338,16 +13442,23 @@ static void verify_wm_state(struct drm_crtc *crtc,
                          hw_entry->start, hw_entry->end);
        }
 
-       /* cursor */
-       hw_entry = &hw_ddb.plane[pipe][PLANE_CURSOR];
-       sw_entry = &sw_ddb->plane[pipe][PLANE_CURSOR];
-
-       if (!skl_ddb_entry_equal(hw_entry, sw_entry)) {
-               DRM_ERROR("mismatch in DDB state pipe %c cursor "
-                         "(expected (%u,%u), found (%u,%u))\n",
-                         pipe_name(pipe),
-                         sw_entry->start, sw_entry->end,
-                         hw_entry->start, hw_entry->end);
+       /*
+        * cursor
+        * If the cursor plane isn't active, we may not have updated it's ddb
+        * allocation. In that case since the ddb allocation will be updated
+        * once the plane becomes visible, we can skip this check
+        */
+       if (intel_crtc->cursor_addr) {
+               hw_entry = &hw_ddb.plane[pipe][PLANE_CURSOR];
+               sw_entry = &sw_ddb->plane[pipe][PLANE_CURSOR];
+
+               if (!skl_ddb_entry_equal(hw_entry, sw_entry)) {
+                       DRM_ERROR("mismatch in DDB state pipe %c cursor "
+                                 "(expected (%u,%u), found (%u,%u))\n",
+                                 pipe_name(pipe),
+                                 sw_entry->start, sw_entry->end,
+                                 hw_entry->start, hw_entry->end);
+               }
        }
 }
 
@@ -13963,7 +14074,8 @@ static int intel_atomic_prepare_commit(struct drm_device *dev,
                                continue;
 
                        ret = i915_wait_request(intel_plane_state->wait_req,
-                                               true, NULL, NULL);
+                                               I915_WAIT_INTERRUPTIBLE,
+                                               NULL, NULL);
                        if (ret) {
                                /* Any hang should be swallowed by the wait */
                                WARN_ON(ret == -EIO);
@@ -14053,6 +14165,111 @@ static bool needs_vblank_wait(struct intel_crtc_state *crtc_state)
        return false;
 }
 
+static void intel_update_crtc(struct drm_crtc *crtc,
+                             struct drm_atomic_state *state,
+                             struct drm_crtc_state *old_crtc_state,
+                             unsigned int *crtc_vblank_mask)
+{
+       struct drm_device *dev = crtc->dev;
+       struct drm_i915_private *dev_priv = to_i915(dev);
+       struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+       struct intel_crtc_state *pipe_config = to_intel_crtc_state(crtc->state);
+       bool modeset = needs_modeset(crtc->state);
+
+       if (modeset) {
+               update_scanline_offset(intel_crtc);
+               dev_priv->display.crtc_enable(pipe_config, state);
+       } else {
+               intel_pre_plane_update(to_intel_crtc_state(old_crtc_state));
+       }
+
+       if (drm_atomic_get_existing_plane_state(state, crtc->primary)) {
+               intel_fbc_enable(
+                   intel_crtc, pipe_config,
+                   to_intel_plane_state(crtc->primary->state));
+       }
+
+       drm_atomic_helper_commit_planes_on_crtc(old_crtc_state);
+
+       if (needs_vblank_wait(pipe_config))
+               *crtc_vblank_mask |= drm_crtc_mask(crtc);
+}
+
+static void intel_update_crtcs(struct drm_atomic_state *state,
+                              unsigned int *crtc_vblank_mask)
+{
+       struct drm_crtc *crtc;
+       struct drm_crtc_state *old_crtc_state;
+       int i;
+
+       for_each_crtc_in_state(state, crtc, old_crtc_state, i) {
+               if (!crtc->state->active)
+                       continue;
+
+               intel_update_crtc(crtc, state, old_crtc_state,
+                                 crtc_vblank_mask);
+       }
+}
+
+static void skl_update_crtcs(struct drm_atomic_state *state,
+                            unsigned int *crtc_vblank_mask)
+{
+       struct drm_device *dev = state->dev;
+       struct drm_i915_private *dev_priv = to_i915(dev);
+       struct intel_atomic_state *intel_state = to_intel_atomic_state(state);
+       struct drm_crtc *crtc;
+       struct drm_crtc_state *old_crtc_state;
+       struct skl_ddb_allocation *new_ddb = &intel_state->wm_results.ddb;
+       struct skl_ddb_allocation *cur_ddb = &dev_priv->wm.skl_hw.ddb;
+       unsigned int updated = 0;
+       bool progress;
+       enum pipe pipe;
+
+       /*
+        * Whenever the number of active pipes changes, we need to make sure we
+        * update the pipes in the right order so that their ddb allocations
+        * never overlap with eachother inbetween CRTC updates. Otherwise we'll
+        * cause pipe underruns and other bad stuff.
+        */
+       do {
+               int i;
+               progress = false;
+
+               for_each_crtc_in_state(state, crtc, old_crtc_state, i) {
+                       bool vbl_wait = false;
+                       unsigned int cmask = drm_crtc_mask(crtc);
+                       pipe = to_intel_crtc(crtc)->pipe;
+
+                       if (updated & cmask || !crtc->state->active)
+                               continue;
+                       if (skl_ddb_allocation_overlaps(state, cur_ddb, new_ddb,
+                                                       pipe))
+                               continue;
+
+                       updated |= cmask;
+
+                       /*
+                        * If this is an already active pipe, it's DDB changed,
+                        * and this isn't the last pipe that needs updating
+                        * then we need to wait for a vblank to pass for the
+                        * new ddb allocation to take effect.
+                        */
+                       if (!skl_ddb_allocation_equals(cur_ddb, new_ddb, pipe) &&
+                           !crtc->state->active_changed &&
+                           intel_state->wm_results.dirty_pipes != updated)
+                               vbl_wait = true;
+
+                       intel_update_crtc(crtc, state, old_crtc_state,
+                                         crtc_vblank_mask);
+
+                       if (vbl_wait)
+                               intel_wait_for_vblank(dev, pipe);
+
+                       progress = true;
+               }
+       } while (progress);
+}
+
 static void intel_atomic_commit_tail(struct drm_atomic_state *state)
 {
        struct drm_device *dev = state->dev;
@@ -14076,7 +14293,7 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state)
                        continue;
 
                ret = i915_wait_request(intel_plane_state->wait_req,
-                                       true, NULL, NULL);
+                                       0, NULL, NULL);
                /* EIO should be eaten, and we can't get interrupted in the
                 * worker, and blocking commits have waited already. */
                WARN_ON(ret);
@@ -14112,7 +14329,7 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state)
 
                if (old_crtc_state->active) {
                        intel_crtc_disable_planes(crtc, old_crtc_state->plane_mask);
-                       dev_priv->display.crtc_disable(crtc);
+                       dev_priv->display.crtc_disable(to_intel_crtc_state(old_crtc_state), state);
                        intel_crtc->active = false;
                        intel_fbc_disable(intel_crtc);
                        intel_disable_shared_dpll(intel_crtc);
@@ -14141,20 +14358,19 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state)
                     intel_state->cdclk_pll_vco != dev_priv->cdclk_pll.vco))
                        dev_priv->display.modeset_commit_cdclk(state);
 
+               /*
+                * SKL workaround: bspec recommends we disable the SAGV when we
+                * have more then one pipe enabled
+                */
+               if (IS_SKYLAKE(dev_priv) && !skl_can_enable_sagv(state))
+                       skl_disable_sagv(dev_priv);
+
                intel_modeset_verify_disabled(dev);
        }
 
-       /* Now enable the clocks, plane, pipe, and connectors that we set up. */
+       /* Complete the events for pipes that have now been disabled */
        for_each_crtc_in_state(state, crtc, old_crtc_state, i) {
-               struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
                bool modeset = needs_modeset(crtc->state);
-               struct intel_crtc_state *pipe_config =
-                       to_intel_crtc_state(crtc->state);
-
-               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) {
@@ -14164,21 +14380,11 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state)
 
                        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, pipe_config, to_intel_plane_state(crtc->primary->state));
-
-               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;
        }
 
+       /* Now enable the clocks, plane, pipe, and connectors that we set up. */
+       dev_priv->display.update_crtcs(state, &crtc_vblank_mask);
+
        /* FIXME: We should call drm_atomic_helper_commit_hw_done() here
         * already, but still need the state for the delayed optimization. To
         * fix this:
@@ -14214,6 +14420,10 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state)
                intel_modeset_verify_crtc(crtc, old_crtc_state, crtc->state);
        }
 
+       if (IS_SKYLAKE(dev_priv) && intel_state->modeset &&
+           skl_can_enable_sagv(state))
+               skl_enable_sagv(dev_priv);
+
        drm_atomic_helper_commit_hw_done(state);
 
        if (intel_state->modeset)
@@ -14354,8 +14564,6 @@ out:
                drm_atomic_state_free(state);
 }
 
-#undef for_each_intel_crtc_masked
-
 /*
  * FIXME: Remove this once i915 is fully DRIVER_ATOMIC by calling
  *        drm_atomic_helper_legacy_gamma_set() directly.
@@ -14601,10 +14809,12 @@ static void intel_begin_crtc_commit(struct drm_crtc *crtc,
                                    struct drm_crtc_state *old_crtc_state)
 {
        struct drm_device *dev = crtc->dev;
+       struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        struct intel_crtc_state *old_intel_state =
                to_intel_crtc_state(old_crtc_state);
        bool modeset = needs_modeset(crtc->state);
+       enum pipe pipe = intel_crtc->pipe;
 
        /* Perform vblank evasion around commit operation */
        intel_pipe_update_start(intel_crtc);
@@ -14619,8 +14829,12 @@ static void intel_begin_crtc_commit(struct drm_crtc *crtc,
 
        if (to_intel_crtc_state(crtc->state)->update_pipe)
                intel_update_pipe_config(intel_crtc, old_intel_state);
-       else if (INTEL_INFO(dev)->gen >= 9)
+       else if (INTEL_GEN(dev_priv) >= 9) {
                skl_detach_scalers(intel_crtc);
+
+               I915_WRITE(PIPE_WM_LINETIME(pipe),
+                          dev_priv->wm.skl_hw.wm_linetime[pipe]);
+       }
 }
 
 static void intel_finish_crtc_commit(struct drm_crtc *crtc,
@@ -15782,6 +15996,11 @@ void intel_init_display_hooks(struct drm_i915_private *dev_priv)
                        skl_modeset_calc_cdclk;
        }
 
+       if (dev_priv->info.gen >= 9)
+               dev_priv->display.update_crtcs = skl_update_crtcs;
+       else
+               dev_priv->display.update_crtcs = intel_update_crtcs;
+
        switch (INTEL_INFO(dev_priv)->gen) {
        case 2:
                dev_priv->display.queue_flip = intel_gen2_queue_flip;
@@ -15983,15 +16202,16 @@ static void intel_init_quirks(struct drm_device *dev)
 static void i915_disable_vga(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = to_i915(dev);
+       struct pci_dev *pdev = dev_priv->drm.pdev;
        u8 sr1;
        i915_reg_t vga_reg = i915_vgacntrl_reg(dev);
 
        /* WaEnableVGAAccessThroughIOPort:ctg,elk,ilk,snb,ivb,vlv,hsw */
-       vga_get_uninterruptible(dev->pdev, VGA_RSRC_LEGACY_IO);
+       vga_get_uninterruptible(pdev, VGA_RSRC_LEGACY_IO);
        outb(SR01, VGA_SR_INDEX);
        sr1 = inb(VGA_SR_DATA);
        outb(sr1 | 1<<5, VGA_SR_DATA);
-       vga_put(dev->pdev, VGA_RSRC_LEGACY_IO);
+       vga_put(pdev, VGA_RSRC_LEGACY_IO);
        udelay(300);
 
        I915_WRITE(vga_reg, VGA_DISP_DISABLE);
@@ -16273,15 +16493,15 @@ static bool intel_crtc_has_encoders(struct intel_crtc *crtc)
        return false;
 }
 
-static bool intel_encoder_has_connectors(struct intel_encoder *encoder)
+static struct intel_connector *intel_encoder_find_connector(struct intel_encoder *encoder)
 {
        struct drm_device *dev = encoder->base.dev;
        struct intel_connector *connector;
 
        for_each_connector_on_encoder(dev, &encoder->base, connector)
-               return true;
+               return connector;
 
-       return false;
+       return NULL;
 }
 
 static bool has_pch_trancoder(struct drm_i915_private *dev_priv,
@@ -16386,7 +16606,6 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc)
 static void intel_sanitize_encoder(struct intel_encoder *encoder)
 {
        struct intel_connector *connector;
-       struct drm_device *dev = encoder->base.dev;
 
        /* We need to check both for a crtc link (meaning that the
         * encoder is active and trying to read from a pipe) and the
@@ -16394,7 +16613,8 @@ static void intel_sanitize_encoder(struct intel_encoder *encoder)
        bool has_active_crtc = encoder->base.crtc &&
                to_intel_crtc(encoder->base.crtc)->active;
 
-       if (intel_encoder_has_connectors(encoder) && !has_active_crtc) {
+       connector = intel_encoder_find_connector(encoder);
+       if (connector && !has_active_crtc) {
                DRM_DEBUG_KMS("[ENCODER:%d:%s] has active connectors but no active pipe!\n",
                              encoder->base.base.id,
                              encoder->base.name);
@@ -16403,12 +16623,14 @@ static void intel_sanitize_encoder(struct intel_encoder *encoder)
                 * fallout from our resume register restoring. Disable
                 * the encoder manually again. */
                if (encoder->base.crtc) {
+                       struct drm_crtc_state *crtc_state = encoder->base.crtc->state;
+
                        DRM_DEBUG_KMS("[ENCODER:%d:%s] manually disabled\n",
                                      encoder->base.base.id,
                                      encoder->base.name);
-                       encoder->disable(encoder);
+                       encoder->disable(encoder, to_intel_crtc_state(crtc_state), connector->base.state);
                        if (encoder->post_disable)
-                               encoder->post_disable(encoder);
+                               encoder->post_disable(encoder, to_intel_crtc_state(crtc_state), connector->base.state);
                }
                encoder->base.crtc = NULL;
 
@@ -16416,12 +16638,9 @@ static void intel_sanitize_encoder(struct intel_encoder *encoder)
                 * a bug in one of the get_hw_state functions. Or someplace else
                 * in our code, like the register restore mess on resume. Clamp
                 * things to off as a safer default. */
-               for_each_intel_connector(dev, connector) {
-                       if (connector->encoder != encoder)
-                               continue;
-                       connector->base.dpms = DRM_MODE_DPMS_OFF;
-                       connector->base.encoder = NULL;
-               }
+
+               connector->base.dpms = DRM_MODE_DPMS_OFF;
+               connector->base.encoder = NULL;
        }
        /* Enabled encoders without active connectors will be fixed in
         * the crtc fixup. */