drm/i915: Store frontbuffer_bits in the plane
[deliverable/linux.git] / drivers / gpu / drm / i915 / intel_display.c
index e566515e27ca12d32bd9128fa212ab5547a15d17..4882e43fd8a284854afdce111a7f93263c973202 100644 (file)
@@ -109,8 +109,6 @@ static void skl_init_scalers(struct drm_device *dev, struct intel_crtc *intel_cr
        struct intel_crtc_state *crtc_state);
 static int i9xx_get_refclk(const struct intel_crtc_state *crtc_state,
                           int num_connectors);
-static void intel_crtc_enable_planes(struct drm_crtc *crtc);
-static void intel_crtc_disable_planes(struct drm_crtc *crtc);
 
 static struct intel_encoder *intel_find_encoder(struct intel_connector *connector, int pipe)
 {
@@ -643,16 +641,12 @@ static bool intel_PLL_is_valid(struct drm_device *dev,
        return true;
 }
 
-static bool
-i9xx_find_best_dpll(const intel_limit_t *limit,
-                   struct intel_crtc_state *crtc_state,
-                   int target, int refclk, intel_clock_t *match_clock,
-                   intel_clock_t *best_clock)
+static int
+i9xx_select_p2_div(const intel_limit_t *limit,
+                  const struct intel_crtc_state *crtc_state,
+                  int target)
 {
-       struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
-       struct drm_device *dev = crtc->base.dev;
-       intel_clock_t clock;
-       int err = target;
+       struct drm_device *dev = crtc_state->base.crtc->dev;
 
        if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) {
                /*
@@ -661,18 +655,31 @@ i9xx_find_best_dpll(const intel_limit_t *limit,
                 * single/dual channel state, if we even can.
                 */
                if (intel_is_dual_link_lvds(dev))
-                       clock.p2 = limit->p2.p2_fast;
+                       return limit->p2.p2_fast;
                else
-                       clock.p2 = limit->p2.p2_slow;
+                       return limit->p2.p2_slow;
        } else {
                if (target < limit->p2.dot_limit)
-                       clock.p2 = limit->p2.p2_slow;
+                       return limit->p2.p2_slow;
                else
-                       clock.p2 = limit->p2.p2_fast;
+                       return limit->p2.p2_fast;
        }
+}
+
+static bool
+i9xx_find_best_dpll(const intel_limit_t *limit,
+                   struct intel_crtc_state *crtc_state,
+                   int target, int refclk, intel_clock_t *match_clock,
+                   intel_clock_t *best_clock)
+{
+       struct drm_device *dev = crtc_state->base.crtc->dev;
+       intel_clock_t clock;
+       int err = target;
 
        memset(best_clock, 0, sizeof(*best_clock));
 
+       clock.p2 = i9xx_select_p2_div(limit, crtc_state, target);
+
        for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max;
             clock.m1++) {
                for (clock.m2 = limit->m2.min;
@@ -712,30 +719,14 @@ pnv_find_best_dpll(const intel_limit_t *limit,
                   int target, int refclk, intel_clock_t *match_clock,
                   intel_clock_t *best_clock)
 {
-       struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
-       struct drm_device *dev = crtc->base.dev;
+       struct drm_device *dev = crtc_state->base.crtc->dev;
        intel_clock_t clock;
        int err = target;
 
-       if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) {
-               /*
-                * For LVDS just rely on its current settings for dual-channel.
-                * We haven't figured out how to reliably set up different
-                * single/dual channel state, if we even can.
-                */
-               if (intel_is_dual_link_lvds(dev))
-                       clock.p2 = limit->p2.p2_fast;
-               else
-                       clock.p2 = limit->p2.p2_slow;
-       } else {
-               if (target < limit->p2.dot_limit)
-                       clock.p2 = limit->p2.p2_slow;
-               else
-                       clock.p2 = limit->p2.p2_fast;
-       }
-
        memset(best_clock, 0, sizeof(*best_clock));
 
+       clock.p2 = i9xx_select_p2_div(limit, crtc_state, target);
+
        for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max;
             clock.m1++) {
                for (clock.m2 = limit->m2.min;
@@ -773,28 +764,17 @@ g4x_find_best_dpll(const intel_limit_t *limit,
                   int target, int refclk, intel_clock_t *match_clock,
                   intel_clock_t *best_clock)
 {
-       struct intel_crtc *crtc = to_intel_crtc(crtc_state->base.crtc);
-       struct drm_device *dev = crtc->base.dev;
+       struct drm_device *dev = crtc_state->base.crtc->dev;
        intel_clock_t clock;
        int max_n;
-       bool found;
+       bool found = false;
        /* approximately equals target * 0.00585 */
        int err_most = (target >> 8) + (target >> 9);
-       found = false;
-
-       if (intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS)) {
-               if (intel_is_dual_link_lvds(dev))
-                       clock.p2 = limit->p2.p2_fast;
-               else
-                       clock.p2 = limit->p2.p2_slow;
-       } else {
-               if (target < limit->p2.dot_limit)
-                       clock.p2 = limit->p2.p2_slow;
-               else
-                       clock.p2 = limit->p2.p2_fast;
-       }
 
        memset(best_clock, 0, sizeof(*best_clock));
+
+       clock.p2 = i9xx_select_p2_div(limit, crtc_state, target);
+
        max_n = limit->n.max;
        /* based on hardware requirement, prefer smaller n to precision */
        for (clock.n = limit->n.min; clock.n <= max_n; clock.n++) {
@@ -1698,7 +1678,7 @@ static int intel_num_dvo_pipes(struct drm_device *dev)
        int count = 0;
 
        for_each_intel_crtc(dev, crtc)
-               count += crtc->active &&
+               count += crtc->base.state->active &&
                        intel_pipe_has_type(crtc, INTEL_OUTPUT_DVO);
 
        return count;
@@ -1779,7 +1759,7 @@ static void i9xx_disable_pll(struct intel_crtc *crtc)
        /* Disable DVO 2x clock on both PLLs if necessary */
        if (IS_I830(dev) &&
            intel_pipe_has_type(crtc, INTEL_OUTPUT_DVO) &&
-           intel_num_dvo_pipes(dev) == 1) {
+           !intel_num_dvo_pipes(dev)) {
                I915_WRITE(DPLL(PIPE_B),
                           I915_READ(DPLL(PIPE_B)) & ~DPLL_DVO_2X_MODE);
                I915_WRITE(DPLL(PIPE_A),
@@ -1947,10 +1927,10 @@ static void intel_disable_shared_dpll(struct intel_crtc *crtc)
 
        /* PCH only available on ILK+ */
        BUG_ON(INTEL_INFO(dev)->gen < 5);
-       if (WARN_ON(pll == NULL))
-              return;
+       if (pll == NULL)
+               return;
 
-       if (WARN_ON(pll->config.crtc_mask == 0))
+       if (WARN_ON(!(pll->config.crtc_mask & (1 << drm_crtc_index(&crtc->base)))))
                return;
 
        DRM_DEBUG_KMS("disable %s (active %d, on? %d) for crtc %d\n",
@@ -2008,11 +1988,15 @@ static void ironlake_enable_pch_transcoder(struct drm_i915_private *dev_priv,
 
        if (HAS_PCH_IBX(dev_priv->dev)) {
                /*
-                * make the BPC in transcoder be consistent with
-                * that in pipeconf reg.
+                * Make the BPC in transcoder be consistent with
+                * that in pipeconf reg. For HDMI we must use 8bpc
+                * here for both 8bpc and 12bpc.
                 */
                val &= ~PIPECONF_BPC_MASK;
-               val |= pipeconf_val & PIPECONF_BPC_MASK;
+               if (intel_pipe_has_type(intel_crtc, INTEL_OUTPUT_HDMI))
+                       val |= PIPECONF_8BPC;
+               else
+                       val |= pipeconf_val & PIPECONF_BPC_MASK;
        }
 
        val &= ~TRANS_INTERLACE_MASK;
@@ -2215,28 +2199,6 @@ static void intel_disable_pipe(struct intel_crtc *crtc)
                intel_wait_for_pipe_off(crtc);
 }
 
-/**
- * intel_enable_primary_hw_plane - enable the primary plane on a given pipe
- * @plane:  plane to be enabled
- * @crtc: crtc for the plane
- *
- * Enable @plane on @crtc, making sure that the pipe is running first.
- */
-static void intel_enable_primary_hw_plane(struct drm_plane *plane,
-                                         struct drm_crtc *crtc)
-{
-       struct drm_device *dev = plane->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-
-       /* If the pipe isn't enabled, we can't pump pixels and may hang */
-       assert_pipe_enabled(dev_priv, intel_crtc->pipe);
-       to_intel_plane_state(plane->state)->visible = true;
-
-       dev_priv->display.update_primary_plane(crtc, plane->fb,
-                                              crtc->x, crtc->y);
-}
-
 static bool need_vtd_wa(struct drm_device *dev)
 {
 #ifdef CONFIG_INTEL_IOMMU
@@ -2306,6 +2268,7 @@ intel_fill_fb_ggtt_view(struct i915_ggtt_view *view, struct drm_framebuffer *fb,
                        const struct drm_plane_state *plane_state)
 {
        struct intel_rotation_info *info = &view->rotation_info;
+       unsigned int tile_height, tile_pitch;
 
        *view = i915_ggtt_view_normal;
 
@@ -2322,14 +2285,35 @@ intel_fill_fb_ggtt_view(struct i915_ggtt_view *view, struct drm_framebuffer *fb,
        info->pitch = fb->pitches[0];
        info->fb_modifier = fb->modifier[0];
 
+       tile_height = intel_tile_height(fb->dev, fb->pixel_format,
+                                       fb->modifier[0]);
+       tile_pitch = PAGE_SIZE / tile_height;
+       info->width_pages = DIV_ROUND_UP(fb->pitches[0], tile_pitch);
+       info->height_pages = DIV_ROUND_UP(fb->height, tile_height);
+       info->size = info->width_pages * info->height_pages * PAGE_SIZE;
+
        return 0;
 }
 
+static unsigned int intel_linear_alignment(struct drm_i915_private *dev_priv)
+{
+       if (INTEL_INFO(dev_priv)->gen >= 9)
+               return 256 * 1024;
+       else if (IS_BROADWATER(dev_priv) || IS_CRESTLINE(dev_priv) ||
+                IS_VALLEYVIEW(dev_priv))
+               return 128 * 1024;
+       else if (INTEL_INFO(dev_priv)->gen >= 4)
+               return 4 * 1024;
+       else
+               return 0;
+}
+
 int
 intel_pin_and_fence_fb_obj(struct drm_plane *plane,
                           struct drm_framebuffer *fb,
                           const struct drm_plane_state *plane_state,
-                          struct intel_engine_cs *pipelined)
+                          struct intel_engine_cs *pipelined,
+                          struct drm_i915_gem_request **pipelined_request)
 {
        struct drm_device *dev = fb->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
@@ -2342,14 +2326,7 @@ intel_pin_and_fence_fb_obj(struct drm_plane *plane,
 
        switch (fb->modifier[0]) {
        case DRM_FORMAT_MOD_NONE:
-               if (INTEL_INFO(dev)->gen >= 9)
-                       alignment = 256 * 1024;
-               else if (IS_BROADWATER(dev) || IS_CRESTLINE(dev))
-                       alignment = 128 * 1024;
-               else if (INTEL_INFO(dev)->gen >= 4)
-                       alignment = 4 * 1024;
-               else
-                       alignment = 64 * 1024;
+               alignment = intel_linear_alignment(dev_priv);
                break;
        case I915_FORMAT_MOD_X_TILED:
                if (INTEL_INFO(dev)->gen >= 9)
@@ -2394,7 +2371,7 @@ intel_pin_and_fence_fb_obj(struct drm_plane *plane,
 
        dev_priv->mm.interruptible = false;
        ret = i915_gem_object_pin_to_display_plane(obj, alignment, pipelined,
-                                                  &view);
+                                                  pipelined_request, &view);
        if (ret)
                goto err_interruptible;
 
@@ -2439,7 +2416,8 @@ static void intel_unpin_fb_obj(struct drm_framebuffer *fb,
 
 /* Computes the linear offset to the base tile and adjusts x, y. bytes per pixel
  * is assumed to be a power-of-two. */
-unsigned long intel_gen4_compute_page_offset(int *x, int *y,
+unsigned long intel_gen4_compute_page_offset(struct drm_i915_private *dev_priv,
+                                            int *x, int *y,
                                             unsigned int tiling_mode,
                                             unsigned int cpp,
                                             unsigned int pitch)
@@ -2455,12 +2433,13 @@ unsigned long intel_gen4_compute_page_offset(int *x, int *y,
 
                return tile_rows * pitch * 8 + tiles * 4096;
        } else {
+               unsigned int alignment = intel_linear_alignment(dev_priv) - 1;
                unsigned int offset;
 
                offset = *y * pitch + *x * cpp;
-               *y = 0;
-               *x = (offset & 4095) / cpp;
-               return offset & -4096;
+               *y = (offset & alignment) / pitch;
+               *x = ((offset & alignment) - *y * pitch) / cpp;
+               return offset & ~alignment;
        }
 }
 
@@ -2634,7 +2613,7 @@ valid_fb:
        primary->crtc = primary->state->crtc = &intel_crtc->base;
        update_state_fb(primary);
        intel_crtc->base.state->plane_mask |= (1 << drm_plane_index(primary));
-       obj->frontbuffer_bits |= INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe);
+       obj->frontbuffer_bits |= to_intel_plane(primary)->frontbuffer_bit;
 }
 
 static void i9xx_update_primary_plane(struct drm_crtc *crtc,
@@ -2729,7 +2708,8 @@ static void i9xx_update_primary_plane(struct drm_crtc *crtc,
 
        if (INTEL_INFO(dev)->gen >= 4) {
                intel_crtc->dspaddr_offset =
-                       intel_gen4_compute_page_offset(&x, &y, obj->tiling_mode,
+                       intel_gen4_compute_page_offset(dev_priv,
+                                                      &x, &y, obj->tiling_mode,
                                                       pixel_size,
                                                       fb->pitches[0]);
                linear_offset -= intel_crtc->dspaddr_offset;
@@ -2830,7 +2810,8 @@ static void ironlake_update_primary_plane(struct drm_crtc *crtc,
 
        linear_offset = y * fb->pitches[0] + x * pixel_size;
        intel_crtc->dspaddr_offset =
-               intel_gen4_compute_page_offset(&x, &y, obj->tiling_mode,
+               intel_gen4_compute_page_offset(dev_priv,
+                                              &x, &y, obj->tiling_mode,
                                               pixel_size,
                                               fb->pitches[0]);
        linear_offset -= intel_crtc->dspaddr_offset;
@@ -2911,16 +2892,13 @@ unsigned long intel_plane_obj_offset(struct intel_plane *intel_plane,
 /*
  * This function detaches (aka. unbinds) unused scalers in hardware
  */
-void skl_detach_scalers(struct intel_crtc *intel_crtc)
+static void skl_detach_scalers(struct intel_crtc *intel_crtc)
 {
        struct drm_device *dev;
        struct drm_i915_private *dev_priv;
        struct intel_crtc_scaler_state *scaler_state;
        int i;
 
-       if (!intel_crtc || !intel_crtc->config)
-               return;
-
        dev = intel_crtc->base.dev;
        dev_priv = dev->dev_private;
        scaler_state = &intel_crtc->config->scaler_state;
@@ -4186,8 +4164,11 @@ struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc,
 {
        struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
        struct intel_shared_dpll *pll;
+       struct intel_shared_dpll_config *shared_dpll;
        enum intel_dpll_id i;
 
+       shared_dpll = intel_atomic_get_shared_dpll_state(crtc_state->base.state);
+
        if (HAS_PCH_IBX(dev_priv->dev)) {
                /* Ironlake PCH has a fixed PLL->PCH pipe mapping. */
                i = (enum intel_dpll_id) crtc->pipe;
@@ -4196,7 +4177,7 @@ struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc,
                DRM_DEBUG_KMS("CRTC:%d using pre-allocated %s\n",
                              crtc->base.base.id, pll->name);
 
-               WARN_ON(pll->new_config->crtc_mask);
+               WARN_ON(shared_dpll[i].crtc_mask);
 
                goto found;
        }
@@ -4216,7 +4197,7 @@ struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc,
                pll = &dev_priv->shared_dplls[i];
                DRM_DEBUG_KMS("CRTC:%d using pre-allocated %s\n",
                        crtc->base.base.id, pll->name);
-               WARN_ON(pll->new_config->crtc_mask);
+               WARN_ON(shared_dpll[i].crtc_mask);
 
                goto found;
        }
@@ -4225,15 +4206,15 @@ struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc,
                pll = &dev_priv->shared_dplls[i];
 
                /* Only want to check enabled timings first */
-               if (pll->new_config->crtc_mask == 0)
+               if (shared_dpll[i].crtc_mask == 0)
                        continue;
 
                if (memcmp(&crtc_state->dpll_hw_state,
-                          &pll->new_config->hw_state,
-                          sizeof(pll->new_config->hw_state)) == 0) {
+                          &shared_dpll[i].hw_state,
+                          sizeof(crtc_state->dpll_hw_state)) == 0) {
                        DRM_DEBUG_KMS("CRTC:%d sharing existing %s (crtc mask 0x%08x, ative %d)\n",
                                      crtc->base.base.id, pll->name,
-                                     pll->new_config->crtc_mask,
+                                     shared_dpll[i].crtc_mask,
                                      pll->active);
                        goto found;
                }
@@ -4242,7 +4223,7 @@ struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc,
        /* Ok no matching timings, maybe there's a free one? */
        for (i = 0; i < dev_priv->num_shared_dpll; i++) {
                pll = &dev_priv->shared_dplls[i];
-               if (pll->new_config->crtc_mask == 0) {
+               if (shared_dpll[i].crtc_mask == 0) {
                        DRM_DEBUG_KMS("CRTC:%d allocated %s\n",
                                      crtc->base.base.id, pll->name);
                        goto found;
@@ -4252,83 +4233,33 @@ struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc,
        return NULL;
 
 found:
-       if (pll->new_config->crtc_mask == 0)
-               pll->new_config->hw_state = crtc_state->dpll_hw_state;
+       if (shared_dpll[i].crtc_mask == 0)
+               shared_dpll[i].hw_state =
+                       crtc_state->dpll_hw_state;
 
        crtc_state->shared_dpll = i;
        DRM_DEBUG_DRIVER("using %s for pipe %c\n", pll->name,
                         pipe_name(crtc->pipe));
 
-       pll->new_config->crtc_mask |= 1 << crtc->pipe;
+       shared_dpll[i].crtc_mask |= 1 << crtc->pipe;
 
        return pll;
 }
 
-/**
- * intel_shared_dpll_start_config - start a new PLL staged config
- * @dev_priv: DRM device
- * @clear_pipes: mask of pipes that will have their PLLs freed
- *
- * Starts a new PLL staged config, copying the current config but
- * releasing the references of pipes specified in clear_pipes.
- */
-static int intel_shared_dpll_start_config(struct drm_i915_private *dev_priv,
-                                         unsigned clear_pipes)
-{
-       struct intel_shared_dpll *pll;
-       enum intel_dpll_id i;
-
-       for (i = 0; i < dev_priv->num_shared_dpll; i++) {
-               pll = &dev_priv->shared_dplls[i];
-
-               pll->new_config = kmemdup(&pll->config, sizeof pll->config,
-                                         GFP_KERNEL);
-               if (!pll->new_config)
-                       goto cleanup;
-
-               pll->new_config->crtc_mask &= ~clear_pipes;
-       }
-
-       return 0;
-
-cleanup:
-       while (--i >= 0) {
-               pll = &dev_priv->shared_dplls[i];
-               kfree(pll->new_config);
-               pll->new_config = NULL;
-       }
-
-       return -ENOMEM;
-}
-
-static void intel_shared_dpll_commit(struct drm_i915_private *dev_priv)
+static void intel_shared_dpll_commit(struct drm_atomic_state *state)
 {
+       struct drm_i915_private *dev_priv = to_i915(state->dev);
+       struct intel_shared_dpll_config *shared_dpll;
        struct intel_shared_dpll *pll;
        enum intel_dpll_id i;
 
-       for (i = 0; i < dev_priv->num_shared_dpll; i++) {
-               pll = &dev_priv->shared_dplls[i];
-
-               WARN_ON(pll->new_config == &pll->config);
-
-               pll->config = *pll->new_config;
-               kfree(pll->new_config);
-               pll->new_config = NULL;
-       }
-}
-
-static void intel_shared_dpll_abort_config(struct drm_i915_private *dev_priv)
-{
-       struct intel_shared_dpll *pll;
-       enum intel_dpll_id i;
+       if (!to_intel_atomic_state(state)->dpll_set)
+               return;
 
+       shared_dpll = to_intel_atomic_state(state)->shared_dpll;
        for (i = 0; i < dev_priv->num_shared_dpll; i++) {
                pll = &dev_priv->shared_dplls[i];
-
-               WARN_ON(pll->new_config == &pll->config);
-
-               kfree(pll->new_config);
-               pll->new_config = NULL;
+               pll->config = shared_dpll[i];
        }
 }
 
@@ -4346,62 +4277,16 @@ static void cpt_verify_modeset(struct drm_device *dev, int pipe)
        }
 }
 
-/**
- * skl_update_scaler_users - Stages update to crtc's scaler state
- * @intel_crtc: crtc
- * @crtc_state: crtc_state
- * @plane: plane (NULL indicates crtc is requesting update)
- * @plane_state: plane's state
- * @force_detach: request unconditional detachment of scaler
- *
- * This function updates scaler state for requested plane or crtc.
- * To request scaler usage update for a plane, caller shall pass plane pointer.
- * To request scaler usage update for crtc, caller shall pass plane pointer
- * as NULL.
- *
- * Return
- *     0 - scaler_usage updated successfully
- *    error - requested scaling cannot be supported or other error condition
- */
-int
-skl_update_scaler_users(
-       struct intel_crtc *intel_crtc, struct intel_crtc_state *crtc_state,
-       struct intel_plane *intel_plane, struct intel_plane_state *plane_state,
-       int force_detach)
+static int
+skl_update_scaler(struct intel_crtc_state *crtc_state, bool force_detach,
+                 unsigned scaler_user, int *scaler_id, unsigned int rotation,
+                 int src_w, int src_h, int dst_w, int dst_h)
 {
+       struct intel_crtc_scaler_state *scaler_state =
+               &crtc_state->scaler_state;
+       struct intel_crtc *intel_crtc =
+               to_intel_crtc(crtc_state->base.crtc);
        int need_scaling;
-       int idx;
-       int src_w, src_h, dst_w, dst_h;
-       int *scaler_id;
-       struct drm_framebuffer *fb;
-       struct intel_crtc_scaler_state *scaler_state;
-       unsigned int rotation;
-
-       if (!intel_crtc || !crtc_state)
-               return 0;
-
-       scaler_state = &crtc_state->scaler_state;
-
-       idx = intel_plane ? drm_plane_index(&intel_plane->base) : SKL_CRTC_INDEX;
-       fb = intel_plane ? plane_state->base.fb : NULL;
-
-       if (intel_plane) {
-               src_w = drm_rect_width(&plane_state->src) >> 16;
-               src_h = drm_rect_height(&plane_state->src) >> 16;
-               dst_w = drm_rect_width(&plane_state->dst);
-               dst_h = drm_rect_height(&plane_state->dst);
-               scaler_id = &plane_state->scaler_id;
-               rotation = plane_state->base.rotation;
-       } else {
-               struct drm_display_mode *adjusted_mode =
-                       &crtc_state->base.adjusted_mode;
-               src_w = crtc_state->pipe_src_w;
-               src_h = crtc_state->pipe_src_h;
-               dst_w = adjusted_mode->hdisplay;
-               dst_h = adjusted_mode->vdisplay;
-               scaler_id = &scaler_state->scaler_id;
-               rotation = DRM_ROTATE_0;
-       }
 
        need_scaling = intel_rotation_90_or_270(rotation) ?
                (src_h != dst_w || src_w != dst_h):
@@ -4417,17 +4302,14 @@ skl_update_scaler_users(
         * update to free the scaler is done in plane/panel-fit programming.
         * For this purpose crtc/plane_state->scaler_id isn't reset here.
         */
-       if (force_detach || !need_scaling || (intel_plane &&
-               (!fb || !plane_state->visible))) {
+       if (force_detach || !need_scaling) {
                if (*scaler_id >= 0) {
-                       scaler_state->scaler_users &= ~(1 << idx);
+                       scaler_state->scaler_users &= ~(1 << scaler_user);
                        scaler_state->scalers[*scaler_id].in_use = 0;
 
-                       DRM_DEBUG_KMS("Staged freeing scaler id %d.%d from %s:%d "
-                               "crtc_state = %p scaler_users = 0x%x\n",
-                               intel_crtc->pipe, *scaler_id, intel_plane ? "PLANE" : "CRTC",
-                               intel_plane ? intel_plane->base.base.id :
-                               intel_crtc->base.base.id, crtc_state,
+                       DRM_DEBUG_KMS("scaler_user index %u.%u: "
+                               "Staged freeing scaler id %d scaler_users = 0x%x\n",
+                               intel_crtc->pipe, scaler_user, *scaler_id,
                                scaler_state->scaler_users);
                        *scaler_id = -1;
                }
@@ -4440,51 +4322,112 @@ skl_update_scaler_users(
 
                src_w > SKL_MAX_SRC_W || src_h > SKL_MAX_SRC_H ||
                dst_w > SKL_MAX_DST_W || dst_h > SKL_MAX_DST_H) {
-               DRM_DEBUG_KMS("%s:%d scaler_user index %u.%u: src %ux%u dst %ux%u "
+               DRM_DEBUG_KMS("scaler_user index %u.%u: src %ux%u dst %ux%u "
                        "size is out of scaler range\n",
-                       intel_plane ? "PLANE" : "CRTC",
-                       intel_plane ? intel_plane->base.base.id : intel_crtc->base.base.id,
-                       intel_crtc->pipe, idx, src_w, src_h, dst_w, dst_h);
+                       intel_crtc->pipe, scaler_user, src_w, src_h, dst_w, dst_h);
                return -EINVAL;
        }
 
+       /* mark this plane as a scaler user in crtc_state */
+       scaler_state->scaler_users |= (1 << scaler_user);
+       DRM_DEBUG_KMS("scaler_user index %u.%u: "
+               "staged scaling request for %ux%u->%ux%u scaler_users = 0x%x\n",
+               intel_crtc->pipe, scaler_user, src_w, src_h, dst_w, dst_h,
+               scaler_state->scaler_users);
+
+       return 0;
+}
+
+/**
+ * skl_update_scaler_crtc - Stages update to scaler state for a given crtc.
+ *
+ * @state: crtc's scaler state
+ * @force_detach: whether to forcibly disable scaler
+ *
+ * Return
+ *     0 - scaler_usage updated successfully
+ *    error - requested scaling cannot be supported or other error condition
+ */
+int skl_update_scaler_crtc(struct intel_crtc_state *state, int force_detach)
+{
+       struct intel_crtc *intel_crtc = to_intel_crtc(state->base.crtc);
+       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);
+
+       return skl_update_scaler(state, force_detach, SKL_CRTC_INDEX,
+               &state->scaler_state.scaler_id, DRM_ROTATE_0,
+               state->pipe_src_w, state->pipe_src_h,
+               adjusted_mode->hdisplay, adjusted_mode->vdisplay);
+}
+
+/**
+ * skl_update_scaler_plane - Stages update to scaler state for a given plane.
+ *
+ * @state: crtc's scaler state
+ * @plane_state: atomic plane state to update
+ *
+ * Return
+ *     0 - scaler_usage updated successfully
+ *    error - requested scaling cannot be supported or other error condition
+ */
+static int skl_update_scaler_plane(struct intel_crtc_state *crtc_state,
+                                  struct intel_plane_state *plane_state)
+{
+
+       struct intel_crtc *intel_crtc = to_intel_crtc(crtc_state->base.crtc);
+       struct intel_plane *intel_plane =
+               to_intel_plane(plane_state->base.plane);
+       struct drm_framebuffer *fb = plane_state->base.fb;
+       int ret;
+
+       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));
+
+       ret = skl_update_scaler(crtc_state, force_detach,
+                               drm_plane_index(&intel_plane->base),
+                               &plane_state->scaler_id,
+                               plane_state->base.rotation,
+                               drm_rect_width(&plane_state->src) >> 16,
+                               drm_rect_height(&plane_state->src) >> 16,
+                               drm_rect_width(&plane_state->dst),
+                               drm_rect_height(&plane_state->dst));
+
+       if (ret || plane_state->scaler_id < 0)
+               return ret;
+
        /* check colorkey */
-       if (WARN_ON(intel_plane &&
-               intel_plane->ckey.flags != I915_SET_COLORKEY_NONE)) {
-               DRM_DEBUG_KMS("PLANE:%d scaling %ux%u->%ux%u not allowed with colorkey",
-                       intel_plane->base.base.id, src_w, src_h, dst_w, dst_h);
+       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);
                return -EINVAL;
        }
 
        /* Check src format */
-       if (intel_plane) {
-               switch (fb->pixel_format) {
-               case DRM_FORMAT_RGB565:
-               case DRM_FORMAT_XBGR8888:
-               case DRM_FORMAT_XRGB8888:
-               case DRM_FORMAT_ABGR8888:
-               case DRM_FORMAT_ARGB8888:
-               case DRM_FORMAT_XRGB2101010:
-               case DRM_FORMAT_XBGR2101010:
-               case DRM_FORMAT_YUYV:
-               case DRM_FORMAT_YVYU:
-               case DRM_FORMAT_UYVY:
-               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);
-                       return -EINVAL;
-               }
+       switch (fb->pixel_format) {
+       case DRM_FORMAT_RGB565:
+       case DRM_FORMAT_XBGR8888:
+       case DRM_FORMAT_XRGB8888:
+       case DRM_FORMAT_ABGR8888:
+       case DRM_FORMAT_ARGB8888:
+       case DRM_FORMAT_XRGB2101010:
+       case DRM_FORMAT_XBGR2101010:
+       case DRM_FORMAT_YUYV:
+       case DRM_FORMAT_YVYU:
+       case DRM_FORMAT_UYVY:
+       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);
+               return -EINVAL;
        }
 
-       /* mark this plane as a scaler user in crtc_state */
-       scaler_state->scaler_users |= (1 << idx);
-       DRM_DEBUG_KMS("%s:%d staged scaling request for %ux%u->%ux%u "
-               "crtc_state = %p scaler_users = 0x%x\n",
-               intel_plane ? "PLANE" : "CRTC",
-               intel_plane ? intel_plane->base.base.id : intel_crtc->base.base.id,
-               src_w, src_h, dst_w, dst_h, crtc_state, scaler_state->scaler_users);
        return 0;
 }
 
@@ -4499,7 +4442,7 @@ static void skylake_pfit_update(struct intel_crtc *crtc, int enable)
        DRM_DEBUG_KMS("for crtc_state = %p\n", crtc->config);
 
        /* To update pfit, first update scaler state */
-       skl_update_scaler_users(crtc, crtc->config, NULL, NULL, !enable);
+       skl_update_scaler_crtc(crtc->config, !enable);
        intel_atomic_setup_scalers(crtc->base.dev, crtc, crtc->config);
        skl_detach_scalers(crtc);
        if (!enable)
@@ -4544,20 +4487,6 @@ static void ironlake_pfit_enable(struct intel_crtc *crtc)
        }
 }
 
-static void intel_enable_sprite_planes(struct drm_crtc *crtc)
-{
-       struct drm_device *dev = crtc->dev;
-       enum pipe pipe = to_intel_crtc(crtc)->pipe;
-       struct drm_plane *plane;
-       struct intel_plane *intel_plane;
-
-       drm_for_each_legacy_plane(plane, &dev->mode_config.plane_list) {
-               intel_plane = to_intel_plane(plane);
-               if (intel_plane->pipe == pipe)
-                       intel_plane_restore(&intel_plane->base);
-       }
-}
-
 void hsw_enable_ips(struct intel_crtc *crtc)
 {
        struct drm_device *dev = crtc->base.dev;
@@ -4715,10 +4644,6 @@ intel_post_enable_primary(struct drm_crtc *crtc)
         */
        hsw_enable_ips(intel_crtc);
 
-       mutex_lock(&dev->struct_mutex);
-       intel_fbc_update(dev);
-       mutex_unlock(&dev->struct_mutex);
-
        /*
         * Gen2 reports pipe underruns whenever all planes are disabled.
         * So don't enable underrun reporting before at least some planes
@@ -4773,11 +4698,6 @@ intel_pre_disable_primary(struct drm_crtc *crtc)
        if (HAS_GMCH_DISPLAY(dev))
                intel_set_memory_cxsr(dev_priv, false);
 
-       mutex_lock(&dev->struct_mutex);
-       if (dev_priv->fbc.crtc == intel_crtc)
-               intel_fbc_disable(dev);
-       mutex_unlock(&dev->struct_mutex);
-
        /*
         * FIXME IPS should be fine as long as one plane is
         * enabled, but in practice it seems to have problems
@@ -4787,46 +4707,76 @@ intel_pre_disable_primary(struct drm_crtc *crtc)
        hsw_disable_ips(intel_crtc);
 }
 
-static void intel_crtc_enable_planes(struct drm_crtc *crtc)
+static void intel_post_plane_update(struct intel_crtc *crtc)
 {
-       struct drm_device *dev = crtc->dev;
-       struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-       int pipe = intel_crtc->pipe;
+       struct intel_crtc_atomic_commit *atomic = &crtc->atomic;
+       struct drm_device *dev = crtc->base.dev;
+       struct drm_plane *plane;
 
-       intel_enable_primary_hw_plane(crtc->primary, crtc);
-       intel_enable_sprite_planes(crtc);
-       intel_crtc_update_cursor(crtc, true);
+       if (atomic->wait_vblank)
+               intel_wait_for_vblank(dev, crtc->pipe);
 
-       intel_post_enable_primary(crtc);
+       intel_frontbuffer_flip(dev, atomic->fb_bits);
 
-       /*
-        * FIXME: Once we grow proper nuclear flip support out of this we need
-        * to compute the mask of flip planes precisely. For the time being
-        * consider this a flip to a NULL plane.
-        */
-       intel_frontbuffer_flip(dev, INTEL_FRONTBUFFER_ALL_MASK(pipe));
+       if (atomic->update_fbc) {
+               mutex_lock(&dev->struct_mutex);
+               intel_fbc_update(dev);
+               mutex_unlock(&dev->struct_mutex);
+       }
+
+       if (atomic->post_enable_primary)
+               intel_post_enable_primary(&crtc->base);
+
+       drm_for_each_plane_mask(plane, dev, atomic->update_sprite_watermarks)
+               intel_update_sprite_watermarks(plane, &crtc->base,
+                                              0, 0, 0, false, false);
+
+       memset(atomic, 0, sizeof(*atomic));
+}
+
+static void intel_pre_plane_update(struct intel_crtc *crtc)
+{
+       struct drm_device *dev = crtc->base.dev;
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct intel_crtc_atomic_commit *atomic = &crtc->atomic;
+       struct drm_plane *p;
+
+       /* Track fb's for any planes being disabled */
+       drm_for_each_plane_mask(p, dev, atomic->disabled_planes) {
+               struct intel_plane *plane = to_intel_plane(p);
+
+               mutex_lock(&dev->struct_mutex);
+               i915_gem_track_fb(intel_fb_obj(plane->base.fb), NULL,
+                                 plane->frontbuffer_bit);
+               mutex_unlock(&dev->struct_mutex);
+       }
+
+       if (atomic->wait_for_flips)
+               intel_crtc_wait_for_pending_flips(&crtc->base);
+
+       if (atomic->disable_fbc &&
+           dev_priv->fbc.crtc == crtc) {
+               mutex_lock(&dev->struct_mutex);
+               if (dev_priv->fbc.crtc == crtc)
+                       intel_fbc_disable(dev);
+               mutex_unlock(&dev->struct_mutex);
+       }
+
+       if (atomic->pre_disable_primary)
+               intel_pre_disable_primary(&crtc->base);
 }
 
-static void intel_crtc_disable_planes(struct drm_crtc *crtc)
+static void intel_crtc_disable_planes(struct drm_crtc *crtc, unsigned plane_mask)
 {
        struct drm_device *dev = crtc->dev;
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-       struct intel_plane *intel_plane;
+       struct drm_plane *p;
        int pipe = intel_crtc->pipe;
 
-       intel_crtc_wait_for_pending_flips(crtc);
-
-       intel_pre_disable_primary(crtc);
-
        intel_crtc_dpms_overlay_disable(intel_crtc);
-       for_each_intel_plane(dev, intel_plane) {
-               if (intel_plane->pipe == pipe) {
-                       struct drm_crtc *from = intel_plane->base.crtc;
 
-                       intel_plane->disable_plane(&intel_plane->base,
-                                                  from ?: crtc, true);
-               }
-       }
+       drm_for_each_plane_mask(p, dev, plane_mask)
+               to_intel_plane(p)->disable_plane(p, crtc);
 
        /*
         * FIXME: Once we grow proper nuclear flip support out of this we need
@@ -4911,42 +4861,15 @@ static bool hsw_crtc_supports_ips(struct intel_crtc *crtc)
        return HAS_IPS(crtc->base.dev) && crtc->pipe == PIPE_A;
 }
 
-/*
- * This implements the workaround described in the "notes" section of the mode
- * set sequence documentation. When going from no pipes or single pipe to
- * multiple pipes, and planes are enabled after the pipe, we need to wait at
- * least 2 vblanks on the first pipe before enabling planes on the second pipe.
- */
-static void haswell_mode_set_planes_workaround(struct intel_crtc *crtc)
-{
-       struct drm_device *dev = crtc->base.dev;
-       struct intel_crtc *crtc_it, *other_active_crtc = NULL;
-
-       /* We want to get the other_active_crtc only if there's only 1 other
-        * active crtc. */
-       for_each_intel_crtc(dev, crtc_it) {
-               if (!crtc_it->active || crtc_it == crtc)
-                       continue;
-
-               if (other_active_crtc)
-                       return;
-
-               other_active_crtc = crtc_it;
-       }
-       if (!other_active_crtc)
-               return;
-
-       intel_wait_for_vblank(dev, other_active_crtc->pipe);
-       intel_wait_for_vblank(dev, other_active_crtc->pipe);
-}
-
 static void haswell_crtc_enable(struct drm_crtc *crtc)
 {
        struct drm_device *dev = crtc->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        struct intel_encoder *encoder;
-       int pipe = intel_crtc->pipe;
+       int pipe = intel_crtc->pipe, hsw_workaround_pipe;
+       struct intel_crtc_state *pipe_config =
+               to_intel_crtc_state(crtc->state);
 
        if (WARN_ON(intel_crtc->active))
                return;
@@ -5023,7 +4946,11 @@ static void haswell_crtc_enable(struct drm_crtc *crtc)
 
        /* If we change the relative order between pipe/planes enabling, we need
         * to change the workaround. */
-       haswell_mode_set_planes_workaround(intel_crtc);
+       hsw_workaround_pipe = pipe_config->hsw_workaround_pipe;
+       if (IS_HASWELL(dev) && hsw_workaround_pipe != INVALID_PIPE) {
+               intel_wait_for_vblank(dev, hsw_workaround_pipe);
+               intel_wait_for_vblank(dev, hsw_workaround_pipe);
+       }
 }
 
 static void ironlake_pfit_disable(struct intel_crtc *crtc)
@@ -5050,9 +4977,6 @@ static void ironlake_crtc_disable(struct drm_crtc *crtc)
        int pipe = intel_crtc->pipe;
        u32 reg, temp;
 
-       if (WARN_ON(!intel_crtc->active))
-               return;
-
        for_each_encoder_on_crtc(dev, crtc, encoder)
                encoder->disable(encoder);
 
@@ -5091,18 +5015,8 @@ static void ironlake_crtc_disable(struct drm_crtc *crtc)
                        I915_WRITE(PCH_DPLL_SEL, temp);
                }
 
-               /* disable PCH DPLL */
-               intel_disable_shared_dpll(intel_crtc);
-
                ironlake_fdi_pll_disable(intel_crtc);
        }
-
-       intel_crtc->active = false;
-       intel_update_watermarks(crtc);
-
-       mutex_lock(&dev->struct_mutex);
-       intel_fbc_update(dev);
-       mutex_unlock(&dev->struct_mutex);
 }
 
 static void haswell_crtc_disable(struct drm_crtc *crtc)
@@ -5113,9 +5027,6 @@ static void haswell_crtc_disable(struct drm_crtc *crtc)
        struct intel_encoder *encoder;
        enum transcoder cpu_transcoder = intel_crtc->config->cpu_transcoder;
 
-       if (WARN_ON(!intel_crtc->active))
-               return;
-
        for_each_encoder_on_crtc(dev, crtc, encoder) {
                intel_opregion_notify_encoder(encoder, false);
                encoder->disable(encoder);
@@ -5151,16 +5062,6 @@ static void haswell_crtc_disable(struct drm_crtc *crtc)
        for_each_encoder_on_crtc(dev, crtc, encoder)
                if (encoder->post_disable)
                        encoder->post_disable(encoder);
-
-       intel_crtc->active = false;
-       intel_update_watermarks(crtc);
-
-       mutex_lock(&dev->struct_mutex);
-       intel_fbc_update(dev);
-       mutex_unlock(&dev->struct_mutex);
-
-       if (intel_crtc_to_shared_dpll(intel_crtc))
-               intel_disable_shared_dpll(intel_crtc);
 }
 
 static void i9xx_pfit_enable(struct intel_crtc *crtc)
@@ -5281,8 +5182,13 @@ static void modeset_update_crtc_power_domains(struct drm_atomic_state *state)
                        intel_display_power_get(dev_priv, domain);
        }
 
-       if (dev_priv->display.modeset_global_resources)
-               dev_priv->display.modeset_global_resources(state);
+       if (dev_priv->display.modeset_commit_cdclk) {
+               unsigned int cdclk = to_intel_atomic_state(state)->cdclk;
+
+               if (cdclk != dev_priv->cdclk_freq &&
+                   !WARN_ON(!state->allow_modeset))
+                       dev_priv->display.modeset_commit_cdclk(state);
+       }
 
        for_each_intel_crtc(dev, crtc) {
                enum intel_display_power_domain domain;
@@ -5326,6 +5232,8 @@ static void intel_update_max_cdclk(struct drm_device *dev)
                        dev_priv->max_cdclk_freq = 540000;
                else
                        dev_priv->max_cdclk_freq = 675000;
+       } else if (IS_CHERRYVIEW(dev)) {
+               dev_priv->max_cdclk_freq = 320000;
        } else if (IS_VALLEYVIEW(dev)) {
                dev_priv->max_cdclk_freq = 400000;
        } else {
@@ -5934,11 +5842,7 @@ static int intel_mode_max_pixclk(struct drm_device *dev,
        int max_pixclk = 0;
 
        for_each_intel_crtc(dev, intel_crtc) {
-               if (state)
-                       crtc_state =
-                               intel_atomic_get_crtc_state(state, intel_crtc);
-               else
-                       crtc_state = intel_crtc->config;
+               crtc_state = intel_atomic_get_crtc_state(state, intel_crtc);
                if (IS_ERR(crtc_state))
                        return PTR_ERR(crtc_state);
 
@@ -5952,46 +5856,34 @@ static int intel_mode_max_pixclk(struct drm_device *dev,
        return max_pixclk;
 }
 
-static int valleyview_modeset_global_pipes(struct drm_atomic_state *state)
+static int valleyview_modeset_calc_cdclk(struct drm_atomic_state *state)
 {
-       struct drm_i915_private *dev_priv = to_i915(state->dev);
-       struct drm_crtc *crtc;
-       struct drm_crtc_state *crtc_state;
-       int max_pixclk = intel_mode_max_pixclk(state->dev, state);
-       int cdclk, ret = 0;
+       struct drm_device *dev = state->dev;
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       int max_pixclk = intel_mode_max_pixclk(dev, state);
 
        if (max_pixclk < 0)
                return max_pixclk;
 
-       if (IS_VALLEYVIEW(dev_priv))
-               cdclk = valleyview_calc_cdclk(dev_priv, max_pixclk);
-       else
-               cdclk = broxton_calc_cdclk(dev_priv, max_pixclk);
-
-       if (cdclk == dev_priv->cdclk_freq)
-               return 0;
-
-       /* add all active pipes to the state */
-       for_each_crtc(state->dev, crtc) {
-               crtc_state = drm_atomic_get_crtc_state(state, crtc);
-               if (IS_ERR(crtc_state))
-                       return PTR_ERR(crtc_state);
+       to_intel_atomic_state(state)->cdclk =
+               valleyview_calc_cdclk(dev_priv, max_pixclk);
 
-               if (!crtc_state->active || needs_modeset(crtc_state))
-                       continue;
+       return 0;
+}
 
-               crtc_state->mode_changed = true;
+static int broxton_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);
 
-               ret = drm_atomic_add_affected_connectors(state, crtc);
-               if (ret)
-                       break;
+       if (max_pixclk < 0)
+               return max_pixclk;
 
-               ret = drm_atomic_add_affected_planes(state, crtc);
-               if (ret)
-                       break;
-       }
+       to_intel_atomic_state(state)->cdclk =
+               broxton_calc_cdclk(dev_priv, max_pixclk);
 
-       return ret;
+       return 0;
 }
 
 static void vlv_program_pfi_credits(struct drm_i915_private *dev_priv)
@@ -6006,7 +5898,7 @@ static void vlv_program_pfi_credits(struct drm_i915_private *dev_priv)
        if (DIV_ROUND_CLOSEST(dev_priv->cdclk_freq, 1000) >= dev_priv->rps.cz_freq) {
                /* CHV suggested value is 31 or 63 */
                if (IS_CHERRYVIEW(dev_priv))
-                       credits = PFI_CREDIT_31;
+                       credits = PFI_CREDIT_63;
                else
                        credits = PFI_CREDIT(15);
        } else {
@@ -6030,41 +5922,31 @@ static void vlv_program_pfi_credits(struct drm_i915_private *dev_priv)
        WARN_ON(I915_READ(GCI_CONTROL) & PFI_CREDIT_RESEND);
 }
 
-static void valleyview_modeset_global_resources(struct drm_atomic_state *old_state)
+static void valleyview_modeset_commit_cdclk(struct drm_atomic_state *old_state)
 {
        struct drm_device *dev = old_state->dev;
+       unsigned int req_cdclk = to_intel_atomic_state(old_state)->cdclk;
        struct drm_i915_private *dev_priv = dev->dev_private;
-       int max_pixclk = intel_mode_max_pixclk(dev, NULL);
-       int req_cdclk;
-
-       /* The path in intel_mode_max_pixclk() with a NULL atomic state should
-        * never fail. */
-       if (WARN_ON(max_pixclk < 0))
-               return;
-
-       req_cdclk = valleyview_calc_cdclk(dev_priv, max_pixclk);
 
-       if (req_cdclk != dev_priv->cdclk_freq) {
-               /*
-                * FIXME: We can end up here with all power domains off, yet
-                * with a CDCLK frequency other than the minimum. To account
-                * for this take the PIPE-A power domain, which covers the HW
-                * blocks needed for the following programming. This can be
-                * removed once it's guaranteed that we get here either with
-                * the minimum CDCLK set, or the required power domains
-                * enabled.
-                */
-               intel_display_power_get(dev_priv, POWER_DOMAIN_PIPE_A);
+       /*
+        * FIXME: We can end up here with all power domains off, yet
+        * with a CDCLK frequency other than the minimum. To account
+        * for this take the PIPE-A power domain, which covers the HW
+        * blocks needed for the following programming. This can be
+        * removed once it's guaranteed that we get here either with
+        * the minimum CDCLK set, or the required power domains
+        * enabled.
+        */
+       intel_display_power_get(dev_priv, POWER_DOMAIN_PIPE_A);
 
-               if (IS_CHERRYVIEW(dev))
-                       cherryview_set_cdclk(dev, req_cdclk);
-               else
-                       valleyview_set_cdclk(dev, req_cdclk);
+       if (IS_CHERRYVIEW(dev))
+               cherryview_set_cdclk(dev, req_cdclk);
+       else
+               valleyview_set_cdclk(dev, req_cdclk);
 
-               vlv_program_pfi_credits(dev_priv);
+       vlv_program_pfi_credits(dev_priv);
 
-               intel_display_power_put(dev_priv, POWER_DOMAIN_PIPE_A);
-       }
+       intel_display_power_put(dev_priv, POWER_DOMAIN_PIPE_A);
 }
 
 static void valleyview_crtc_enable(struct drm_crtc *crtc)
@@ -6212,9 +6094,6 @@ static void i9xx_crtc_disable(struct drm_crtc *crtc)
        struct intel_encoder *encoder;
        int pipe = intel_crtc->pipe;
 
-       if (WARN_ON(!intel_crtc->active))
-               return;
-
        /*
         * On gen2 planes are double buffered but the pipe isn't, so we must
         * wait for planes to fully turn off before disabling the pipe.
@@ -6248,13 +6127,30 @@ static void i9xx_crtc_disable(struct drm_crtc *crtc)
 
        if (!IS_GEN2(dev))
                intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, false);
+}
 
-       intel_crtc->active = false;
-       intel_update_watermarks(crtc);
+static void intel_crtc_disable_noatomic(struct drm_crtc *crtc)
+{
+       struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+       struct drm_i915_private *dev_priv = to_i915(crtc->dev);
+       enum intel_display_power_domain domain;
+       unsigned long domains;
 
-       mutex_lock(&dev->struct_mutex);
-       intel_fbc_update(dev);
-       mutex_unlock(&dev->struct_mutex);
+       if (!intel_crtc->active)
+               return;
+
+       if (to_intel_plane_state(crtc->primary->state)->visible) {
+               intel_crtc_wait_for_pending_flips(crtc);
+               intel_pre_disable_primary(crtc);
+       }
+
+       intel_crtc_disable_planes(crtc, crtc->state->plane_mask);
+       dev_priv->display.crtc_disable(crtc);
+
+       domains = intel_crtc->enabled_power_domains;
+       for_each_power_domain(domain, domains)
+               intel_display_power_put(dev_priv, domain);
+       intel_crtc->enabled_power_domains = 0;
 }
 
 /*
@@ -6263,60 +6159,56 @@ static void i9xx_crtc_disable(struct drm_crtc *crtc)
  */
 void intel_display_suspend(struct drm_device *dev)
 {
-       struct drm_i915_private *dev_priv = to_i915(dev);
        struct drm_crtc *crtc;
 
-       for_each_crtc(dev, crtc) {
-               struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-               enum intel_display_power_domain domain;
-               unsigned long domains;
-
-               if (!intel_crtc->active)
-                       continue;
-
-               intel_crtc_disable_planes(crtc);
-               dev_priv->display.crtc_disable(crtc);
-
-               domains = intel_crtc->enabled_power_domains;
-               for_each_power_domain(domain, domains)
-                       intel_display_power_put(dev_priv, domain);
-               intel_crtc->enabled_power_domains = 0;
-       }
+       for_each_crtc(dev, crtc)
+               intel_crtc_disable_noatomic(crtc);
 }
 
 /* Master function to enable/disable CRTC and corresponding power wells */
-void intel_crtc_control(struct drm_crtc *crtc, bool enable)
+int intel_crtc_control(struct drm_crtc *crtc, bool enable)
 {
        struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct drm_mode_config *config = &dev->mode_config;
+       struct drm_modeset_acquire_ctx *ctx = config->acquire_ctx;
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-       enum intel_display_power_domain domain;
-       unsigned long domains;
+       struct intel_crtc_state *pipe_config;
+       struct drm_atomic_state *state;
+       int ret;
 
        if (enable == intel_crtc->active)
-               return;
+               return 0;
 
        if (enable && !crtc->state->enable)
-               return;
+               return 0;
 
-       crtc->state->active = enable;
-       if (enable) {
-               domains = get_crtc_power_domains(crtc);
-               for_each_power_domain(domain, domains)
-                       intel_display_power_get(dev_priv, domain);
-               intel_crtc->enabled_power_domains = domains;
+       /* this function should be called with drm_modeset_lock_all for now */
+       if (WARN_ON(!ctx))
+               return -EIO;
+       lockdep_assert_held(&ctx->ww_ctx);
 
-               dev_priv->display.crtc_enable(crtc);
-               intel_crtc_enable_planes(crtc);
-       } else {
-               intel_crtc_disable_planes(crtc);
-               dev_priv->display.crtc_disable(crtc);
+       state = drm_atomic_state_alloc(dev);
+       if (WARN_ON(!state))
+               return -ENOMEM;
 
-               domains = intel_crtc->enabled_power_domains;
-               for_each_power_domain(domain, domains)
-                       intel_display_power_put(dev_priv, domain);
-               intel_crtc->enabled_power_domains = 0;
+       state->acquire_ctx = ctx;
+       state->allow_modeset = true;
+
+       pipe_config = intel_atomic_get_crtc_state(state, intel_crtc);
+       if (IS_ERR(pipe_config)) {
+               ret = PTR_ERR(pipe_config);
+               goto err;
        }
+       pipe_config->base.active = enable;
+
+       ret = intel_set_mode(state);
+       if (!ret)
+               return ret;
+
+err:
+       DRM_ERROR("Updating crtc active failed with %i\n", ret);
+       drm_atomic_state_free(state);
+       return ret;
 }
 
 /**
@@ -6624,7 +6516,6 @@ static int intel_crtc_compute_config(struct intel_crtc *crtc,
        struct drm_device *dev = crtc->base.dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
        struct drm_display_mode *adjusted_mode = &pipe_config->base.adjusted_mode;
-       int ret;
 
        /* FIXME should check pixel clock limits on all platforms */
        if (INTEL_INFO(dev)->gen < 4) {
@@ -6670,14 +6561,7 @@ static int intel_crtc_compute_config(struct intel_crtc *crtc,
        if (pipe_config->has_pch_encoder)
                return ironlake_fdi_compute_config(crtc, pipe_config);
 
-       /* FIXME: remove below call once atomic mode set is place and all crtc
-        * related checks called from atomic_crtc_check function */
-       ret = 0;
-       DRM_DEBUG_KMS("intel_crtc = %p drm_state (pipe_config->base.state) = %p\n",
-               crtc, pipe_config->base.state);
-       ret = intel_atomic_setup_scalers(dev, crtc, pipe_config);
-
-       return ret;
+       return 0;
 }
 
 static int skylake_get_display_clock_speed(struct drm_device *dev)
@@ -6727,6 +6611,34 @@ static int skylake_get_display_clock_speed(struct drm_device *dev)
        return 24000;
 }
 
+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;
+
+       if (!(pll_enab & BXT_DE_PLL_PLL_ENABLE))
+               return 19200;
+
+       cdclk = 19200 * pll_ratio / 2;
+
+       switch (cdctl & BXT_CDCLK_CD2X_DIV_SEL_MASK) {
+       case BXT_CDCLK_CD2X_DIV_SEL_1:
+               return cdclk;  /* 576MHz or 624MHz */
+       case BXT_CDCLK_CD2X_DIV_SEL_1_5:
+               return cdclk * 2 / 3; /* 384MHz */
+       case BXT_CDCLK_CD2X_DIV_SEL_2:
+               return cdclk / 2; /* 288MHz */
+       case BXT_CDCLK_CD2X_DIV_SEL_4:
+               return cdclk / 4; /* 144MHz */
+       }
+
+       /* error case, do as if DE PLL isn't enabled */
+       return 19200;
+}
+
 static int broadwell_get_display_clock_speed(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
@@ -7020,7 +6932,7 @@ static int i965gm_get_display_clock_speed(struct drm_device *dev)
 
        return DIV_ROUND_CLOSEST(vco, div_table[cdclk_sel]);
 
- fail:
+fail:
        DRM_ERROR("Unable to determine CDCLK. HPLL VCO=%u kHz, CFGC=0x%04x\n", vco, tmp);
        return 200000;
 }
@@ -7061,7 +6973,7 @@ static int g33_get_display_clock_speed(struct drm_device *dev)
 
        return DIV_ROUND_CLOSEST(vco, div_table[cdclk_sel]);
 
- fail:
+fail:
        DRM_ERROR("Unable to determine CDCLK. HPLL VCO=%u kHz, CFGC=0x%08x\n", vco, tmp);
        return 190476;
 }
@@ -7271,8 +7183,8 @@ void intel_dp_set_m_n(struct intel_crtc *crtc, enum link_m_n_set m_n)
                intel_cpu_transcoder_set_m_n(crtc, dp_m_n, dp_m2_n2);
 }
 
-static void vlv_update_pll(struct intel_crtc *crtc,
-                          struct intel_crtc_state *pipe_config)
+static void vlv_compute_dpll(struct intel_crtc *crtc,
+                            struct intel_crtc_state *pipe_config)
 {
        u32 dpll, dpll_md;
 
@@ -7385,8 +7297,8 @@ static void vlv_prepare_pll(struct intel_crtc *crtc,
        mutex_unlock(&dev_priv->sb_lock);
 }
 
-static void chv_update_pll(struct intel_crtc *crtc,
-                          struct intel_crtc_state *pipe_config)
+static void chv_compute_dpll(struct intel_crtc *crtc,
+                            struct intel_crtc_state *pipe_config)
 {
        pipe_config->dpll_hw_state.dpll = DPLL_SSC_REF_CLOCK_CHV |
                DPLL_REFA_CLK_ENABLE_VLV | DPLL_VGA_MODE_DIS |
@@ -7525,11 +7437,11 @@ void vlv_force_pll_on(struct drm_device *dev, enum pipe pipe,
        };
 
        if (IS_CHERRYVIEW(dev)) {
-               chv_update_pll(crtc, &pipe_config);
+               chv_compute_dpll(crtc, &pipe_config);
                chv_prepare_pll(crtc, &pipe_config);
                chv_enable_pll(crtc, &pipe_config);
        } else {
-               vlv_update_pll(crtc, &pipe_config);
+               vlv_compute_dpll(crtc, &pipe_config);
                vlv_prepare_pll(crtc, &pipe_config);
                vlv_enable_pll(crtc, &pipe_config);
        }
@@ -7551,10 +7463,10 @@ void vlv_force_pll_off(struct drm_device *dev, enum pipe pipe)
                vlv_disable_pll(to_i915(dev), pipe);
 }
 
-static void i9xx_update_pll(struct intel_crtc *crtc,
-                           struct intel_crtc_state *crtc_state,
-                           intel_clock_t *reduced_clock,
-                           int num_connectors)
+static void i9xx_compute_dpll(struct intel_crtc *crtc,
+                             struct intel_crtc_state *crtc_state,
+                             intel_clock_t *reduced_clock,
+                             int num_connectors)
 {
        struct drm_device *dev = crtc->base.dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
@@ -7628,10 +7540,10 @@ static void i9xx_update_pll(struct intel_crtc *crtc,
        }
 }
 
-static void i8xx_update_pll(struct intel_crtc *crtc,
-                           struct intel_crtc_state *crtc_state,
-                           intel_clock_t *reduced_clock,
-                           int num_connectors)
+static void i8xx_compute_dpll(struct intel_crtc *crtc,
+                             struct intel_crtc_state *crtc_state,
+                             intel_clock_t *reduced_clock,
+                             int num_connectors)
 {
        struct drm_device *dev = crtc->base.dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
@@ -7865,9 +7777,9 @@ static int i9xx_crtc_compute_clock(struct intel_crtc *crtc,
        struct drm_device *dev = crtc->base.dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
        int refclk, num_connectors = 0;
-       intel_clock_t clock, reduced_clock;
-       bool ok, has_reduced_clock = false;
-       bool is_lvds = false, is_dsi = false;
+       intel_clock_t clock;
+       bool ok;
+       bool is_dsi = false;
        struct intel_encoder *encoder;
        const intel_limit_t *limit;
        struct drm_atomic_state *state = crtc_state->base.state;
@@ -7885,9 +7797,6 @@ static int i9xx_crtc_compute_clock(struct intel_crtc *crtc,
                encoder = to_intel_encoder(connector_state->best_encoder);
 
                switch (encoder->type) {
-               case INTEL_OUTPUT_LVDS:
-                       is_lvds = true;
-                       break;
                case INTEL_OUTPUT_DSI:
                        is_dsi = true;
                        break;
@@ -7919,19 +7828,6 @@ static int i9xx_crtc_compute_clock(struct intel_crtc *crtc,
                        return -EINVAL;
                }
 
-               if (is_lvds && dev_priv->lvds_downclock_avail) {
-                       /*
-                        * Ensure we match the reduced clock's P to the target
-                        * clock.  If the clocks don't match, we can't switch
-                        * the display clock by using the FP0/FP1. In such case
-                        * we will disable the LVDS downclock feature.
-                        */
-                       has_reduced_clock =
-                               dev_priv->display.find_dpll(limit, crtc_state,
-                                                           dev_priv->lvds_downclock,
-                                                           refclk, &clock,
-                                                           &reduced_clock);
-               }
                /* Compat-code for transition, will disappear. */
                crtc_state->dpll.n = clock.n;
                crtc_state->dpll.m1 = clock.m1;
@@ -7941,17 +7837,15 @@ static int i9xx_crtc_compute_clock(struct intel_crtc *crtc,
        }
 
        if (IS_GEN2(dev)) {
-               i8xx_update_pll(crtc, crtc_state,
-                               has_reduced_clock ? &reduced_clock : NULL,
-                               num_connectors);
+               i8xx_compute_dpll(crtc, crtc_state, NULL,
+                                 num_connectors);
        } else if (IS_CHERRYVIEW(dev)) {
-               chv_update_pll(crtc, crtc_state);
+               chv_compute_dpll(crtc, crtc_state);
        } else if (IS_VALLEYVIEW(dev)) {
-               vlv_update_pll(crtc, crtc_state);
+               vlv_compute_dpll(crtc, crtc_state);
        } else {
-               i9xx_update_pll(crtc, crtc_state,
-                               has_reduced_clock ? &reduced_clock : NULL,
-                               num_connectors);
+               i9xx_compute_dpll(crtc, crtc_state, NULL,
+                                 num_connectors);
        }
 
        return 0;
@@ -8762,9 +8656,7 @@ static bool ironlake_compute_clocks(struct drm_crtc *crtc,
        struct drm_i915_private *dev_priv = dev->dev_private;
        int refclk;
        const intel_limit_t *limit;
-       bool ret, is_lvds = false;
-
-       is_lvds = intel_pipe_will_have_type(crtc_state, INTEL_OUTPUT_LVDS);
+       bool ret;
 
        refclk = ironlake_get_refclk(crtc_state);
 
@@ -8780,20 +8672,6 @@ static bool ironlake_compute_clocks(struct drm_crtc *crtc,
        if (!ret)
                return false;
 
-       if (is_lvds && dev_priv->lvds_downclock_avail) {
-               /*
-                * Ensure we match the reduced clock's P to the target clock.
-                * If the clocks don't match, we can't switch the display clock
-                * by using the FP0/FP1. In such case we will disable the LVDS
-                * downclock feature.
-               */
-               *has_reduced_clock =
-                       dev_priv->display.find_dpll(limit, crtc_state,
-                                                   dev_priv->lvds_downclock,
-                                                   refclk, clock,
-                                                   reduced_clock);
-       }
-
        return true;
 }
 
@@ -9563,41 +9441,35 @@ void hsw_disable_pc8(struct drm_i915_private *dev_priv)
        intel_prepare_ddi(dev);
 }
 
-static void broxton_modeset_global_resources(struct drm_atomic_state *old_state)
+static void broxton_modeset_commit_cdclk(struct drm_atomic_state *old_state)
 {
        struct drm_device *dev = old_state->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
-       int max_pixclk = intel_mode_max_pixclk(dev, NULL);
-       int req_cdclk;
-
-       /* see the comment in valleyview_modeset_global_resources */
-       if (WARN_ON(max_pixclk < 0))
-               return;
-
-       req_cdclk = broxton_calc_cdclk(dev_priv, max_pixclk);
+       unsigned int req_cdclk = to_intel_atomic_state(old_state)->cdclk;
 
-       if (req_cdclk != dev_priv->cdclk_freq)
-               broxton_set_cdclk(dev, req_cdclk);
+       broxton_set_cdclk(dev, req_cdclk);
 }
 
 /* compute the max rate for new configuration */
-static int ilk_max_pixel_rate(struct drm_i915_private *dev_priv)
+static int ilk_max_pixel_rate(struct drm_atomic_state *state)
 {
-       struct drm_device *dev = dev_priv->dev;
        struct intel_crtc *intel_crtc;
-       struct drm_crtc *crtc;
+       struct intel_crtc_state *crtc_state;
        int max_pixel_rate = 0;
-       int pixel_rate;
 
-       for_each_crtc(dev, crtc) {
-               if (!crtc->state->enable)
+       for_each_intel_crtc(state->dev, intel_crtc) {
+               int pixel_rate;
+
+               crtc_state = intel_atomic_get_crtc_state(state, intel_crtc);
+               if (IS_ERR(crtc_state))
+                       return PTR_ERR(crtc_state);
+
+               if (!crtc_state->base.enable)
                        continue;
 
-               intel_crtc = to_intel_crtc(crtc);
-               pixel_rate = ilk_pipe_pixel_rate(intel_crtc->config);
+               pixel_rate = ilk_pipe_pixel_rate(crtc_state);
 
                /* pixel rate mustn't exceed 95% of cdclk with IPS on BDW */
-               if (IS_BROADWELL(dev) && intel_crtc->config->ips_enabled)
+               if (IS_BROADWELL(state->dev) && crtc_state->ips_enabled)
                        pixel_rate = DIV_ROUND_UP(pixel_rate * 100, 95);
 
                max_pixel_rate = max(max_pixel_rate, pixel_rate);
@@ -9683,20 +9555,21 @@ static void broadwell_set_cdclk(struct drm_device *dev, int cdclk)
             cdclk, dev_priv->cdclk_freq);
 }
 
-static int broadwell_calc_cdclk(struct drm_i915_private *dev_priv,
-                             int max_pixel_rate)
+static int broadwell_modeset_calc_cdclk(struct drm_atomic_state *state)
 {
+       struct drm_i915_private *dev_priv = to_i915(state->dev);
+       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_pixel_rate > 540000)
+       if (max_pixclk > 540000)
                cdclk = 675000;
-       else if (max_pixel_rate > 450000)
+       else if (max_pixclk > 450000)
                cdclk = 540000;
-       else if (max_pixel_rate > 337500)
+       else if (max_pixclk > 337500)
                cdclk = 450000;
        else
                cdclk = 337500;
@@ -9711,49 +9584,17 @@ static int broadwell_calc_cdclk(struct drm_i915_private *dev_priv,
                cdclk = dev_priv->max_cdclk_freq;
        }
 
-       return cdclk;
-}
-
-static int broadwell_modeset_global_pipes(struct drm_atomic_state *state)
-{
-       struct drm_i915_private *dev_priv = to_i915(state->dev);
-       struct drm_crtc *crtc;
-       struct drm_crtc_state *crtc_state;
-       int max_pixclk = ilk_max_pixel_rate(dev_priv);
-       int cdclk, i;
-
-       cdclk = broadwell_calc_cdclk(dev_priv, max_pixclk);
-
-       if (cdclk == dev_priv->cdclk_freq)
-               return 0;
-
-       /* add all active pipes to the state */
-       for_each_crtc(state->dev, crtc) {
-               if (!crtc->state->enable)
-                       continue;
-
-               crtc_state = drm_atomic_get_crtc_state(state, crtc);
-               if (IS_ERR(crtc_state))
-                       return PTR_ERR(crtc_state);
-       }
-
-       /* disable/enable all currently active pipes while we change cdclk */
-       for_each_crtc_in_state(state, crtc, crtc_state, i)
-               if (crtc_state->enable)
-                       crtc_state->mode_changed = true;
+       to_intel_atomic_state(state)->cdclk = cdclk;
 
        return 0;
 }
 
-static void broadwell_modeset_global_resources(struct drm_atomic_state *state)
+static void broadwell_modeset_commit_cdclk(struct drm_atomic_state *old_state)
 {
-       struct drm_device *dev = state->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
-       int max_pixel_rate = ilk_max_pixel_rate(dev_priv);
-       int req_cdclk = broadwell_calc_cdclk(dev_priv, max_pixel_rate);
+       struct drm_device *dev = old_state->dev;
+       unsigned int req_cdclk = to_intel_atomic_state(old_state)->cdclk;
 
-       if (req_cdclk != dev_priv->cdclk_freq)
-               broadwell_set_cdclk(dev, req_cdclk);
+       broadwell_set_cdclk(dev, req_cdclk);
 }
 
 static int haswell_crtc_compute_clock(struct intel_crtc *crtc,
@@ -10768,42 +10609,6 @@ struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,
        return mode;
 }
 
-static void intel_decrease_pllclock(struct drm_crtc *crtc)
-{
-       struct drm_device *dev = crtc->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
-       struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-
-       if (!HAS_GMCH_DISPLAY(dev))
-               return;
-
-       if (!dev_priv->lvds_downclock_avail)
-               return;
-
-       /*
-        * Since this is called by a timer, we should never get here in
-        * the manual case.
-        */
-       if (!HAS_PIPE_CXSR(dev) && intel_crtc->lowfreq_avail) {
-               int pipe = intel_crtc->pipe;
-               int dpll_reg = DPLL(pipe);
-               int dpll;
-
-               DRM_DEBUG_DRIVER("downclocking LVDS\n");
-
-               assert_panel_unlocked(dev_priv, pipe);
-
-               dpll = I915_READ(dpll_reg);
-               dpll |= DISPLAY_RATE_SELECT_FPA1;
-               I915_WRITE(dpll_reg, dpll);
-               intel_wait_for_vblank(dev, pipe);
-               dpll = I915_READ(dpll_reg);
-               if (!(dpll & DISPLAY_RATE_SELECT_FPA1))
-                       DRM_DEBUG_DRIVER("failed to downclock LVDS!\n");
-       }
-
-}
-
 void intel_mark_busy(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
@@ -10821,20 +10626,12 @@ void intel_mark_busy(struct drm_device *dev)
 void intel_mark_idle(struct drm_device *dev)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
-       struct drm_crtc *crtc;
 
        if (!dev_priv->mm.busy)
                return;
 
        dev_priv->mm.busy = false;
 
-       for_each_crtc(dev, crtc) {
-               if (!crtc->primary->fb)
-                       continue;
-
-               intel_decrease_pllclock(crtc);
-       }
-
        if (INTEL_INFO(dev)->gen >= 6)
                gen6_rps_idle(dev->dev_private);
 
@@ -10866,11 +10663,12 @@ static void intel_unpin_work_fn(struct work_struct *__work)
 {
        struct intel_unpin_work *work =
                container_of(__work, struct intel_unpin_work, work);
-       struct drm_device *dev = work->crtc->dev;
-       enum pipe pipe = to_intel_crtc(work->crtc)->pipe;
+       struct intel_crtc *crtc = to_intel_crtc(work->crtc);
+       struct drm_device *dev = crtc->base.dev;
+       struct drm_plane *primary = crtc->base.primary;
 
        mutex_lock(&dev->struct_mutex);
-       intel_unpin_fb_obj(work->old_fb, work->crtc->primary->state);
+       intel_unpin_fb_obj(work->old_fb, primary->state);
        drm_gem_object_unreference(&work->pending_flip_obj->base);
 
        intel_fbc_update(dev);
@@ -10879,11 +10677,11 @@ static void intel_unpin_work_fn(struct work_struct *__work)
                i915_gem_request_assign(&work->flip_queued_req, NULL);
        mutex_unlock(&dev->struct_mutex);
 
-       intel_frontbuffer_flip_complete(dev, INTEL_FRONTBUFFER_PRIMARY(pipe));
+       intel_frontbuffer_flip_complete(dev, to_intel_plane(primary)->frontbuffer_bit);
        drm_framebuffer_unreference(work->old_fb);
 
-       BUG_ON(atomic_read(&to_intel_crtc(work->crtc)->unpin_work_count) == 0);
-       atomic_dec(&to_intel_crtc(work->crtc)->unpin_work_count);
+       BUG_ON(atomic_read(&crtc->unpin_work_count) == 0);
+       atomic_dec(&crtc->unpin_work_count);
 
        kfree(work);
 }
@@ -11016,14 +10814,15 @@ static int intel_gen2_queue_flip(struct drm_device *dev,
                                 struct drm_crtc *crtc,
                                 struct drm_framebuffer *fb,
                                 struct drm_i915_gem_object *obj,
-                                struct intel_engine_cs *ring,
+                                struct drm_i915_gem_request *req,
                                 uint32_t flags)
 {
+       struct intel_engine_cs *ring = req->ring;
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        u32 flip_mask;
        int ret;
 
-       ret = intel_ring_begin(ring, 6);
+       ret = intel_ring_begin(req, 6);
        if (ret)
                return ret;
 
@@ -11043,7 +10842,6 @@ static int intel_gen2_queue_flip(struct drm_device *dev,
        intel_ring_emit(ring, 0); /* aux display base address, unused */
 
        intel_mark_page_flip_active(intel_crtc);
-       __intel_ring_advance(ring);
        return 0;
 }
 
@@ -11051,14 +10849,15 @@ static int intel_gen3_queue_flip(struct drm_device *dev,
                                 struct drm_crtc *crtc,
                                 struct drm_framebuffer *fb,
                                 struct drm_i915_gem_object *obj,
-                                struct intel_engine_cs *ring,
+                                struct drm_i915_gem_request *req,
                                 uint32_t flags)
 {
+       struct intel_engine_cs *ring = req->ring;
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        u32 flip_mask;
        int ret;
 
-       ret = intel_ring_begin(ring, 6);
+       ret = intel_ring_begin(req, 6);
        if (ret)
                return ret;
 
@@ -11075,7 +10874,6 @@ static int intel_gen3_queue_flip(struct drm_device *dev,
        intel_ring_emit(ring, MI_NOOP);
 
        intel_mark_page_flip_active(intel_crtc);
-       __intel_ring_advance(ring);
        return 0;
 }
 
@@ -11083,15 +10881,16 @@ static int intel_gen4_queue_flip(struct drm_device *dev,
                                 struct drm_crtc *crtc,
                                 struct drm_framebuffer *fb,
                                 struct drm_i915_gem_object *obj,
-                                struct intel_engine_cs *ring,
+                                struct drm_i915_gem_request *req,
                                 uint32_t flags)
 {
+       struct intel_engine_cs *ring = req->ring;
        struct drm_i915_private *dev_priv = dev->dev_private;
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        uint32_t pf, pipesrc;
        int ret;
 
-       ret = intel_ring_begin(ring, 4);
+       ret = intel_ring_begin(req, 4);
        if (ret)
                return ret;
 
@@ -11114,7 +10913,6 @@ static int intel_gen4_queue_flip(struct drm_device *dev,
        intel_ring_emit(ring, pf | pipesrc);
 
        intel_mark_page_flip_active(intel_crtc);
-       __intel_ring_advance(ring);
        return 0;
 }
 
@@ -11122,15 +10920,16 @@ static int intel_gen6_queue_flip(struct drm_device *dev,
                                 struct drm_crtc *crtc,
                                 struct drm_framebuffer *fb,
                                 struct drm_i915_gem_object *obj,
-                                struct intel_engine_cs *ring,
+                                struct drm_i915_gem_request *req,
                                 uint32_t flags)
 {
+       struct intel_engine_cs *ring = req->ring;
        struct drm_i915_private *dev_priv = dev->dev_private;
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        uint32_t pf, pipesrc;
        int ret;
 
-       ret = intel_ring_begin(ring, 4);
+       ret = intel_ring_begin(req, 4);
        if (ret)
                return ret;
 
@@ -11150,7 +10949,6 @@ static int intel_gen6_queue_flip(struct drm_device *dev,
        intel_ring_emit(ring, pf | pipesrc);
 
        intel_mark_page_flip_active(intel_crtc);
-       __intel_ring_advance(ring);
        return 0;
 }
 
@@ -11158,9 +10956,10 @@ static int intel_gen7_queue_flip(struct drm_device *dev,
                                 struct drm_crtc *crtc,
                                 struct drm_framebuffer *fb,
                                 struct drm_i915_gem_object *obj,
-                                struct intel_engine_cs *ring,
+                                struct drm_i915_gem_request *req,
                                 uint32_t flags)
 {
+       struct intel_engine_cs *ring = req->ring;
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
        uint32_t plane_bit = 0;
        int len, ret;
@@ -11202,11 +11001,11 @@ static int intel_gen7_queue_flip(struct drm_device *dev,
         * then do the cacheline alignment, and finally emit the
         * MI_DISPLAY_FLIP.
         */
-       ret = intel_ring_cacheline_align(ring);
+       ret = intel_ring_cacheline_align(req);
        if (ret)
                return ret;
 
-       ret = intel_ring_begin(ring, len);
+       ret = intel_ring_begin(req, len);
        if (ret)
                return ret;
 
@@ -11245,7 +11044,6 @@ static int intel_gen7_queue_flip(struct drm_device *dev,
        intel_ring_emit(ring, (MI_NOOP));
 
        intel_mark_page_flip_active(intel_crtc);
-       __intel_ring_advance(ring);
        return 0;
 }
 
@@ -11415,7 +11213,7 @@ static int intel_default_queue_flip(struct drm_device *dev,
                                    struct drm_crtc *crtc,
                                    struct drm_framebuffer *fb,
                                    struct drm_i915_gem_object *obj,
-                                   struct intel_engine_cs *ring,
+                                   struct drm_i915_gem_request *req,
                                    uint32_t flags)
 {
        return -ENODEV;
@@ -11501,6 +11299,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
        struct intel_unpin_work *work;
        struct intel_engine_cs *ring;
        bool mmio_flip;
+       struct drm_i915_gem_request *request = NULL;
        int ret;
 
        /*
@@ -11607,7 +11406,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
         */
        ret = intel_pin_and_fence_fb_obj(crtc->primary, fb,
                                         crtc->primary->state,
-                                        mmio_flip ? i915_gem_request_get_ring(obj->last_write_req) : ring);
+                                        mmio_flip ? i915_gem_request_get_ring(obj->last_write_req) : ring, &request);
        if (ret)
                goto cleanup_pending;
 
@@ -11623,29 +11422,32 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
                i915_gem_request_assign(&work->flip_queued_req,
                                        obj->last_write_req);
        } else {
-               if (obj->last_write_req) {
-                       ret = i915_gem_check_olr(obj->last_write_req);
+               if (!request) {
+                       ret = i915_gem_request_alloc(ring, ring->default_context, &request);
                        if (ret)
                                goto cleanup_unpin;
                }
 
-               ret = dev_priv->display.queue_flip(dev, crtc, fb, obj, ring,
+               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,
-                                       intel_ring_get_request(ring));
+               i915_gem_request_assign(&work->flip_queued_req, request);
        }
 
+       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,
-                         INTEL_FRONTBUFFER_PRIMARY(pipe));
+                         to_intel_plane(primary)->frontbuffer_bit);
 
        intel_fbc_disable(dev);
-       intel_frontbuffer_flip_prepare(dev, INTEL_FRONTBUFFER_PRIMARY(pipe));
+       intel_frontbuffer_flip_prepare(dev,
+                                      to_intel_plane(primary)->frontbuffer_bit);
        mutex_unlock(&dev->struct_mutex);
 
        trace_i915_flip_request(intel_crtc->plane, obj);
@@ -11655,6 +11457,8 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
 cleanup_unpin:
        intel_unpin_fb_obj(fb, crtc->primary->state);
 cleanup_pending:
+       if (request)
+               i915_gem_request_cancel(request);
        atomic_dec(&intel_crtc->unpin_work_count);
        mutex_unlock(&dev->struct_mutex);
 cleanup:
@@ -11673,22 +11477,307 @@ free_work:
        kfree(work);
 
        if (ret == -EIO) {
+               struct drm_atomic_state *state;
+               struct drm_plane_state *plane_state;
+
 out_hang:
-               ret = intel_plane_restore(primary);
-               if (ret == 0 && event) {
-                       spin_lock_irq(&dev->event_lock);
-                       drm_send_vblank_event(dev, pipe, event);
-                       spin_unlock_irq(&dev->event_lock);
+               state = drm_atomic_state_alloc(dev);
+               if (!state)
+                       return -ENOMEM;
+               state->acquire_ctx = drm_modeset_legacy_acquire_ctx(crtc);
+
+retry:
+               plane_state = drm_atomic_get_plane_state(state, primary);
+               ret = PTR_ERR_OR_ZERO(plane_state);
+               if (!ret) {
+                       drm_atomic_set_fb_for_plane(plane_state, fb);
+
+                       ret = drm_atomic_set_crtc_for_plane(plane_state, crtc);
+                       if (!ret)
+                               ret = drm_atomic_commit(state);
+               }
+
+               if (ret == -EDEADLK) {
+                       drm_modeset_backoff(state->acquire_ctx);
+                       drm_atomic_state_clear(state);
+                       goto retry;
+               }
+
+               if (ret)
+                       drm_atomic_state_free(state);
+
+               if (ret == 0 && event) {
+                       spin_lock_irq(&dev->event_lock);
+                       drm_send_vblank_event(dev, pipe, event);
+                       spin_unlock_irq(&dev->event_lock);
                }
        }
        return ret;
 }
 
+
+/**
+ * intel_wm_need_update - Check whether watermarks need updating
+ * @plane: drm plane
+ * @state: new plane state
+ *
+ * Check current plane state versus the new one to determine whether
+ * watermarks need to be recalculated.
+ *
+ * Returns true or false.
+ */
+static bool intel_wm_need_update(struct drm_plane *plane,
+                                struct drm_plane_state *state)
+{
+       /* Update watermarks on tiling changes. */
+       if (!plane->state->fb || !state->fb ||
+           plane->state->fb->modifier[0] != state->fb->modifier[0] ||
+           plane->state->rotation != state->rotation)
+               return true;
+
+       if (plane->state->crtc_w != state->crtc_w)
+               return true;
+
+       return false;
+}
+
+int intel_plane_atomic_calc_changes(struct drm_crtc_state *crtc_state,
+                                   struct drm_plane_state *plane_state)
+{
+       struct drm_crtc *crtc = crtc_state->crtc;
+       struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+       struct drm_plane *plane = plane_state->plane;
+       struct drm_device *dev = crtc->dev;
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct intel_plane_state *old_plane_state =
+               to_intel_plane_state(plane->state);
+       int idx = intel_crtc->base.base.id, ret;
+       int i = drm_plane_index(plane);
+       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;
+
+       if (crtc_state && INTEL_INFO(dev)->gen >= 9 &&
+           plane->type != DRM_PLANE_TYPE_CURSOR) {
+               ret = skl_update_scaler_plane(
+                       to_intel_crtc_state(crtc_state),
+                       to_intel_plane_state(plane_state));
+               if (ret)
+                       return ret;
+       }
+
+       /*
+        * Disabling a plane is always okay; we just need to update
+        * fb tracking in a special way since cleanup_fb() won't
+        * get called by the plane helpers.
+        */
+       if (old_plane_state->base.fb && !fb)
+               intel_crtc->atomic.disabled_planes |= 1 << i;
+
+       was_visible = old_plane_state->visible;
+       visible = to_intel_plane_state(plane_state)->visible;
+
+       if (!was_crtc_enabled && WARN_ON(was_visible))
+               was_visible = false;
+
+       if (!is_crtc_enabled && WARN_ON(visible))
+               visible = false;
+
+       if (!was_visible && !visible)
+               return 0;
+
+       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("[PLANE:%i] visible %i -> %i, off %i, on %i, ms %i\n",
+                        plane->base.id, was_visible, visible,
+                        turn_off, turn_on, mode_changed);
+
+       if (intel_wm_need_update(plane, plane_state))
+               intel_crtc->atomic.update_wm = true;
+
+       if (visible)
+               intel_crtc->atomic.fb_bits |=
+                       to_intel_plane(plane)->frontbuffer_bit;
+
+       switch (plane->type) {
+       case DRM_PLANE_TYPE_PRIMARY:
+               intel_crtc->atomic.wait_for_flips = true;
+               intel_crtc->atomic.pre_disable_primary = turn_off;
+               intel_crtc->atomic.post_enable_primary = turn_on;
+
+               if (turn_off)
+                       intel_crtc->atomic.disable_fbc = true;
+
+               /*
+                * FBC does not work on some platforms for rotated
+                * planes, so disable it when rotation is not 0 and
+                * update it when rotation is set back to 0.
+                *
+                * FIXME: This is redundant with the fbc update done in
+                * the primary plane enable function except that that
+                * one is done too late. We eventually need to unify
+                * this.
+                */
+
+               if (visible &&
+                   INTEL_INFO(dev)->gen <= 4 && !IS_G4X(dev) &&
+                   dev_priv->fbc.crtc == intel_crtc &&
+                   plane_state->rotation != BIT(DRM_ROTATE_0))
+                       intel_crtc->atomic.disable_fbc = true;
+
+               /*
+                * BDW signals flip done immediately if the plane
+                * is disabled, even if the plane enable is already
+                * armed to occur at the next vblank :(
+                */
+               if (turn_on && IS_BROADWELL(dev))
+                       intel_crtc->atomic.wait_vblank = true;
+
+               intel_crtc->atomic.update_fbc |= visible || mode_changed;
+               break;
+       case DRM_PLANE_TYPE_CURSOR:
+               break;
+       case DRM_PLANE_TYPE_OVERLAY:
+               if (turn_off && !mode_changed) {
+                       intel_crtc->atomic.wait_vblank = true;
+                       intel_crtc->atomic.update_sprite_watermarks |=
+                               1 << i;
+               }
+       }
+       return 0;
+}
+
+static bool encoders_cloneable(const struct intel_encoder *a,
+                              const struct intel_encoder *b)
+{
+       /* masks could be asymmetric, so check both ways */
+       return a == b || (a->cloneable & (1 << b->type) &&
+                         b->cloneable & (1 << a->type));
+}
+
+static bool check_single_encoder_cloning(struct drm_atomic_state *state,
+                                        struct intel_crtc *crtc,
+                                        struct intel_encoder *encoder)
+{
+       struct intel_encoder *source_encoder;
+       struct drm_connector *connector;
+       struct drm_connector_state *connector_state;
+       int i;
+
+       for_each_connector_in_state(state, connector, connector_state, i) {
+               if (connector_state->crtc != &crtc->base)
+                       continue;
+
+               source_encoder =
+                       to_intel_encoder(connector_state->best_encoder);
+               if (!encoders_cloneable(encoder, source_encoder))
+                       return false;
+       }
+
+       return true;
+}
+
+static bool check_encoder_cloning(struct drm_atomic_state *state,
+                                 struct intel_crtc *crtc)
+{
+       struct intel_encoder *encoder;
+       struct drm_connector *connector;
+       struct drm_connector_state *connector_state;
+       int i;
+
+       for_each_connector_in_state(state, connector, connector_state, i) {
+               if (connector_state->crtc != &crtc->base)
+                       continue;
+
+               encoder = to_intel_encoder(connector_state->best_encoder);
+               if (!check_single_encoder_cloning(state, crtc, encoder))
+                       return false;
+       }
+
+       return true;
+}
+
+static void intel_crtc_check_initial_planes(struct drm_crtc *crtc,
+                                           struct drm_crtc_state *crtc_state)
+{
+       struct intel_crtc_state *pipe_config =
+               to_intel_crtc_state(crtc_state);
+       struct drm_plane *p;
+       unsigned visible_mask = 0;
+
+       drm_for_each_plane_mask(p, crtc->dev, crtc_state->plane_mask) {
+               struct drm_plane_state *plane_state =
+                       drm_atomic_get_existing_plane_state(crtc_state->state, p);
+
+               if (WARN_ON(!plane_state))
+                       continue;
+
+               if (!plane_state->fb)
+                       crtc_state->plane_mask &=
+                               ~(1 << drm_plane_index(p));
+               else if (to_intel_plane_state(plane_state)->visible)
+                       visible_mask |= 1 << drm_plane_index(p);
+       }
+
+       if (!visible_mask)
+               return;
+
+       pipe_config->quirks &= ~PIPE_CONFIG_QUIRK_INITIAL_PLANES;
+}
+
+static int intel_crtc_atomic_check(struct drm_crtc *crtc,
+                                  struct drm_crtc_state *crtc_state)
+{
+       struct drm_device *dev = crtc->dev;
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+       struct intel_crtc_state *pipe_config =
+               to_intel_crtc_state(crtc_state);
+       struct drm_atomic_state *state = crtc_state->state;
+       int ret, idx = crtc->base.id;
+       bool mode_changed = needs_modeset(crtc_state);
+
+       if (mode_changed && !check_encoder_cloning(state, intel_crtc)) {
+               DRM_DEBUG_KMS("rejecting invalid cloning configuration\n");
+               return -EINVAL;
+       }
+
+       I915_STATE_WARN(crtc->state->active != intel_crtc->active,
+               "[CRTC:%i] mismatch between state->active(%i) and crtc->active(%i)\n",
+               idx, crtc->state->active, intel_crtc->active);
+
+       /* plane mask is fixed up after all initial planes are calculated */
+       if (pipe_config->quirks & PIPE_CONFIG_QUIRK_INITIAL_PLANES)
+               intel_crtc_check_initial_planes(crtc, crtc_state);
+
+       if (mode_changed)
+               intel_crtc->atomic.update_wm = !crtc_state->active;
+
+       if (mode_changed && crtc_state->enable &&
+           dev_priv->display.crtc_compute_clock &&
+           !WARN_ON(pipe_config->shared_dpll != DPLL_ID_PRIVATE)) {
+               ret = dev_priv->display.crtc_compute_clock(intel_crtc,
+                                                          pipe_config);
+               if (ret)
+                       return ret;
+       }
+
+       return intel_atomic_setup_scalers(dev, intel_crtc, pipe_config);
+}
+
 static const struct drm_crtc_helper_funcs intel_helper_funcs = {
        .mode_set_base_atomic = intel_pipe_set_base_atomic,
        .load_lut = intel_crtc_load_lut,
        .atomic_begin = intel_begin_crtc_commit,
        .atomic_flush = intel_finish_crtc_commit,
+       .atomic_check = intel_crtc_atomic_check,
 };
 
 /**
@@ -11941,56 +12030,6 @@ static void intel_dump_pipe_config(struct intel_crtc *crtc,
        }
 }
 
-static bool encoders_cloneable(const struct intel_encoder *a,
-                              const struct intel_encoder *b)
-{
-       /* masks could be asymmetric, so check both ways */
-       return a == b || (a->cloneable & (1 << b->type) &&
-                         b->cloneable & (1 << a->type));
-}
-
-static bool check_single_encoder_cloning(struct drm_atomic_state *state,
-                                        struct intel_crtc *crtc,
-                                        struct intel_encoder *encoder)
-{
-       struct intel_encoder *source_encoder;
-       struct drm_connector *connector;
-       struct drm_connector_state *connector_state;
-       int i;
-
-       for_each_connector_in_state(state, connector, connector_state, i) {
-               if (connector_state->crtc != &crtc->base)
-                       continue;
-
-               source_encoder =
-                       to_intel_encoder(connector_state->best_encoder);
-               if (!encoders_cloneable(encoder, source_encoder))
-                       return false;
-       }
-
-       return true;
-}
-
-static bool check_encoder_cloning(struct drm_atomic_state *state,
-                                 struct intel_crtc *crtc)
-{
-       struct intel_encoder *encoder;
-       struct drm_connector *connector;
-       struct drm_connector_state *connector_state;
-       int i;
-
-       for_each_connector_in_state(state, connector, connector_state, i) {
-               if (connector_state->crtc != &crtc->base)
-                       continue;
-
-               encoder = to_intel_encoder(connector_state->best_encoder);
-               if (!check_single_encoder_cloning(state, crtc, encoder))
-                       return false;
-       }
-
-       return true;
-}
-
 static bool check_digital_port_conflicts(struct drm_atomic_state *state)
 {
        struct drm_device *dev = state->dev;
@@ -12067,10 +12106,9 @@ clear_intel_crtc_state(struct intel_crtc_state *crtc_state)
 
 static int
 intel_modeset_pipe_config(struct drm_crtc *crtc,
-                         struct drm_atomic_state *state)
+                         struct intel_crtc_state *pipe_config)
 {
-       struct drm_crtc_state *crtc_state;
-       struct intel_crtc_state *pipe_config;
+       struct drm_atomic_state *state = pipe_config->base.state;
        struct intel_encoder *encoder;
        struct drm_connector *connector;
        struct drm_connector_state *connector_state;
@@ -12078,31 +12116,6 @@ intel_modeset_pipe_config(struct drm_crtc *crtc,
        int i;
        bool retry = true;
 
-       if (!check_encoder_cloning(state, to_intel_crtc(crtc))) {
-               DRM_DEBUG_KMS("rejecting invalid cloning configuration\n");
-               return -EINVAL;
-       }
-
-       if (!check_digital_port_conflicts(state)) {
-               DRM_DEBUG_KMS("rejecting conflicting digital port configuration\n");
-               return -EINVAL;
-       }
-
-       crtc_state = drm_atomic_get_existing_crtc_state(state, crtc);
-       if (WARN_ON(!crtc_state))
-               return -EINVAL;
-
-       pipe_config = to_intel_crtc_state(crtc_state);
-
-       /*
-        * XXX: Add all connectors to make the crtc state match the encoders.
-        */
-       if (!needs_modeset(&pipe_config->base)) {
-               ret = drm_atomic_add_affected_connectors(state, crtc);
-               if (ret)
-                       return ret;
-       }
-
        clear_intel_crtc_state(pipe_config);
 
        pipe_config->cpu_transcoder =
@@ -12227,14 +12240,12 @@ static void
 intel_modeset_update_state(struct drm_atomic_state *state)
 {
        struct drm_device *dev = state->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
        struct intel_encoder *intel_encoder;
        struct drm_crtc *crtc;
        struct drm_crtc_state *crtc_state;
        struct drm_connector *connector;
 
-       intel_shared_dpll_commit(dev_priv);
-       drm_atomic_helper_swap_state(state->dev, state);
+       intel_shared_dpll_commit(state);
 
        for_each_intel_encoder(dev, intel_encoder) {
                if (!intel_encoder->base.crtc)
@@ -12256,6 +12267,12 @@ intel_modeset_update_state(struct drm_atomic_state *state)
                WARN_ON(crtc->state->enable != intel_crtc_in_use(crtc));
 
                to_intel_crtc(crtc)->config = to_intel_crtc_state(crtc->state);
+
+               /* Update hwmode for vblank functions */
+               if (crtc->state->active)
+                       crtc->hwmode = crtc->state->adjusted_mode;
+               else
+                       crtc->hwmode.crtc_clock = 0;
        }
 
        list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
@@ -12806,91 +12823,146 @@ static void update_scanline_offset(struct intel_crtc *crtc)
                crtc->scanline_offset = 1;
 }
 
-static int
-intel_modeset_compute_config(struct drm_atomic_state *state)
+static void intel_modeset_clear_plls(struct drm_atomic_state *state)
 {
+       struct drm_device *dev = state->dev;
+       struct drm_i915_private *dev_priv = to_i915(dev);
+       struct intel_shared_dpll_config *shared_dpll = NULL;
+       struct intel_crtc *intel_crtc;
+       struct intel_crtc_state *intel_crtc_state;
        struct drm_crtc *crtc;
        struct drm_crtc_state *crtc_state;
-       int ret, i;
+       int i;
 
-       ret = drm_atomic_helper_check_modeset(state->dev, state);
-       if (ret)
-               return ret;
+       if (!dev_priv->display.crtc_compute_clock)
+               return;
 
        for_each_crtc_in_state(state, crtc, crtc_state, i) {
-               if (!crtc_state->enable &&
-                   WARN_ON(crtc_state->active))
-                       crtc_state->active = false;
+               int dpll;
 
-               if (!crtc_state->enable)
+               intel_crtc = to_intel_crtc(crtc);
+               intel_crtc_state = to_intel_crtc_state(crtc_state);
+               dpll = intel_crtc_state->shared_dpll;
+
+               if (!needs_modeset(crtc_state) || dpll == DPLL_ID_PRIVATE)
                        continue;
 
-               ret = intel_modeset_pipe_config(crtc, state);
-               if (ret)
-                       return ret;
+               intel_crtc_state->shared_dpll = DPLL_ID_PRIVATE;
 
-               intel_dump_pipe_config(to_intel_crtc(crtc),
-                                      to_intel_crtc_state(crtc_state),
-                                      "[modeset]");
-       }
+               if (!shared_dpll)
+                       shared_dpll = intel_atomic_get_shared_dpll_state(state);
 
-       return drm_atomic_helper_check_planes(state->dev, state);
+               shared_dpll[dpll].crtc_mask &= ~(1 << intel_crtc->pipe);
+       }
 }
 
-static int __intel_set_mode_setup_plls(struct drm_atomic_state *state)
+/*
+ * This implements the workaround described in the "notes" section of the mode
+ * set sequence documentation. When going from no pipes or single pipe to
+ * multiple pipes, and planes are enabled after the pipe, we need to wait at
+ * least 2 vblanks on the first pipe before enabling planes on the second pipe.
+ */
+static int haswell_mode_set_planes_workaround(struct drm_atomic_state *state)
 {
-       struct drm_device *dev = state->dev;
-       struct drm_i915_private *dev_priv = to_i915(dev);
-       unsigned clear_pipes = 0;
+       struct drm_crtc_state *crtc_state;
        struct intel_crtc *intel_crtc;
-       struct intel_crtc_state *intel_crtc_state;
        struct drm_crtc *crtc;
-       struct drm_crtc_state *crtc_state;
-       int ret = 0;
+       struct intel_crtc_state *first_crtc_state = NULL;
+       struct intel_crtc_state *other_crtc_state = NULL;
+       enum pipe first_pipe = INVALID_PIPE, enabled_pipe = INVALID_PIPE;
        int i;
 
-       if (!dev_priv->display.crtc_compute_clock)
-               return 0;
-
+       /* look at all crtc's that are going to be enabled in during modeset */
        for_each_crtc_in_state(state, crtc, crtc_state, i) {
                intel_crtc = to_intel_crtc(crtc);
-               intel_crtc_state = to_intel_crtc_state(crtc_state);
 
-               if (needs_modeset(crtc_state)) {
-                       clear_pipes |= 1 << intel_crtc->pipe;
-                       intel_crtc_state->shared_dpll = DPLL_ID_PRIVATE;
+               if (!crtc_state->active || !needs_modeset(crtc_state))
+                       continue;
+
+               if (first_crtc_state) {
+                       other_crtc_state = to_intel_crtc_state(crtc_state);
+                       break;
+               } else {
+                       first_crtc_state = to_intel_crtc_state(crtc_state);
+                       first_pipe = intel_crtc->pipe;
                }
        }
 
-       ret = intel_shared_dpll_start_config(dev_priv, clear_pipes);
-       if (ret)
-               goto done;
+       /* No workaround needed? */
+       if (!first_crtc_state)
+               return 0;
 
-       for_each_crtc_in_state(state, crtc, crtc_state, i) {
-               if (!needs_modeset(crtc_state) || !crtc_state->enable)
+       /* w/a possibly needed, check how many crtc's are already enabled. */
+       for_each_intel_crtc(state->dev, intel_crtc) {
+               struct intel_crtc_state *pipe_config;
+
+               pipe_config = intel_atomic_get_crtc_state(state, intel_crtc);
+               if (IS_ERR(pipe_config))
+                       return PTR_ERR(pipe_config);
+
+               pipe_config->hsw_workaround_pipe = INVALID_PIPE;
+
+               if (!pipe_config->base.active ||
+                   needs_modeset(&pipe_config->base))
                        continue;
 
-               intel_crtc = to_intel_crtc(crtc);
-               intel_crtc_state = to_intel_crtc_state(crtc_state);
+               /* 2 or more enabled crtcs means no need for w/a */
+               if (enabled_pipe != INVALID_PIPE)
+                       return 0;
 
-               ret = dev_priv->display.crtc_compute_clock(intel_crtc,
-                                                          intel_crtc_state);
-               if (ret) {
-                       intel_shared_dpll_abort_config(dev_priv);
-                       goto done;
-               }
+               enabled_pipe = intel_crtc->pipe;
+       }
+
+       if (enabled_pipe != INVALID_PIPE)
+               first_crtc_state->hsw_workaround_pipe = enabled_pipe;
+       else if (other_crtc_state)
+               other_crtc_state->hsw_workaround_pipe = first_pipe;
+
+       return 0;
+}
+
+static int intel_modeset_all_pipes(struct drm_atomic_state *state)
+{
+       struct drm_crtc *crtc;
+       struct drm_crtc_state *crtc_state;
+       int ret = 0;
+
+       /* add all active pipes to the state */
+       for_each_crtc(state->dev, crtc) {
+               crtc_state = drm_atomic_get_crtc_state(state, crtc);
+               if (IS_ERR(crtc_state))
+                       return PTR_ERR(crtc_state);
+
+               if (!crtc_state->active || needs_modeset(crtc_state))
+                       continue;
+
+               crtc_state->mode_changed = true;
+
+               ret = drm_atomic_add_affected_connectors(state, crtc);
+               if (ret)
+                       break;
+
+               ret = drm_atomic_add_affected_planes(state, crtc);
+               if (ret)
+                       break;
        }
 
-done:
        return ret;
 }
 
+
 /* Code that should eventually be part of atomic_check() */
-static int __intel_set_mode_checks(struct drm_atomic_state *state)
+static int intel_modeset_checks(struct drm_atomic_state *state)
 {
        struct drm_device *dev = state->dev;
+       struct drm_i915_private *dev_priv = dev->dev_private;
        int ret;
 
+       if (!check_digital_port_conflicts(state)) {
+               DRM_DEBUG_KMS("rejecting conflicting digital port configuration\n");
+               return -EINVAL;
+       }
+
        /*
         * See if the config requires any additional preparation, e.g.
         * to adjust global state with pipes off.  We need to do this
@@ -12898,21 +12970,90 @@ static int __intel_set_mode_checks(struct drm_atomic_state *state)
         * mode set on this crtc.  For other crtcs we need to use the
         * adjusted_mode bits in the crtc directly.
         */
-       if (IS_VALLEYVIEW(dev) || IS_BROXTON(dev) || IS_BROADWELL(dev)) {
-               if (IS_VALLEYVIEW(dev) || IS_BROXTON(dev))
-                       ret = valleyview_modeset_global_pipes(state);
-               else
-                       ret = broadwell_modeset_global_pipes(state);
+       if (dev_priv->display.modeset_calc_cdclk) {
+               unsigned int cdclk;
 
-               if (ret)
+               ret = dev_priv->display.modeset_calc_cdclk(state);
+
+               cdclk = to_intel_atomic_state(state)->cdclk;
+               if (!ret && cdclk != dev_priv->cdclk_freq)
+                       ret = intel_modeset_all_pipes(state);
+
+               if (ret < 0)
                        return ret;
-       }
+       } else
+               to_intel_atomic_state(state)->cdclk = dev_priv->cdclk_freq;
+
+       intel_modeset_clear_plls(state);
+
+       if (IS_HASWELL(dev))
+               return haswell_mode_set_planes_workaround(state);
+
+       return 0;
+}
+
+static int
+intel_modeset_compute_config(struct drm_atomic_state *state)
+{
+       struct drm_crtc *crtc;
+       struct drm_crtc_state *crtc_state;
+       int ret, i;
+       bool any_ms = false;
 
-       ret = __intel_set_mode_setup_plls(state);
+       ret = drm_atomic_helper_check_modeset(state->dev, state);
        if (ret)
                return ret;
 
-       return 0;
+       for_each_crtc_in_state(state, crtc, crtc_state, i) {
+               if (!crtc_state->enable) {
+                       if (needs_modeset(crtc_state))
+                               any_ms = true;
+                       continue;
+               }
+
+               if (to_intel_crtc_state(crtc_state)->quirks &
+                   PIPE_CONFIG_QUIRK_INITIAL_PLANES) {
+                       ret = drm_atomic_add_affected_planes(state, crtc);
+                       if (ret)
+                               return ret;
+
+                       /*
+                        * We ought to handle i915.fastboot here.
+                        * If no modeset is required and the primary plane has
+                        * a fb, update the members of crtc_state as needed,
+                        * and run the necessary updates during vblank evasion.
+                        */
+               }
+
+               if (!needs_modeset(crtc_state)) {
+                       ret = drm_atomic_add_affected_connectors(state, crtc);
+                       if (ret)
+                               return ret;
+               }
+
+               ret = intel_modeset_pipe_config(crtc,
+                                       to_intel_crtc_state(crtc_state));
+               if (ret)
+                       return ret;
+
+               if (needs_modeset(crtc_state))
+                       any_ms = true;
+
+               intel_dump_pipe_config(to_intel_crtc(crtc),
+                                      to_intel_crtc_state(crtc_state),
+                                      "[modeset]");
+       }
+
+       if (any_ms) {
+               ret = intel_modeset_checks(state);
+
+               if (ret)
+                       return ret;
+       } else
+               to_intel_atomic_state(state)->cdclk =
+                       to_i915(state->dev)->cdclk_freq;
+
+       return drm_atomic_helper_check_planes(state->dev, state);
 }
 
 static int __intel_set_mode(struct drm_atomic_state *state)
@@ -12923,23 +13064,29 @@ static int __intel_set_mode(struct drm_atomic_state *state)
        struct drm_crtc_state *crtc_state;
        int ret = 0;
        int i;
-
-       ret = __intel_set_mode_checks(state);
-       if (ret < 0)
-               return ret;
+       bool any_ms = false;
 
        ret = drm_atomic_helper_prepare_planes(dev, state);
        if (ret)
                return ret;
 
+       drm_atomic_helper_swap_state(dev, state);
+
        for_each_crtc_in_state(state, crtc, crtc_state, i) {
-               if (!needs_modeset(crtc_state) || !crtc->state->active)
+               struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+
+               if (!needs_modeset(crtc->state))
                        continue;
 
-               intel_crtc_disable_planes(crtc);
-               dev_priv->display.crtc_disable(crtc);
-               if (!crtc_state->enable)
-                       drm_plane_helper_disable(crtc->primary);
+               any_ms = true;
+               intel_pre_plane_update(intel_crtc);
+
+               if (crtc_state->active) {
+                       intel_crtc_disable_planes(crtc, crtc_state->plane_mask);
+                       dev_priv->display.crtc_disable(crtc);
+                       intel_crtc->active = false;
+                       intel_disable_shared_dpll(intel_crtc);
+               }
        }
 
        /* Only after disabling all output pipelines that will be changed can we
@@ -12948,20 +13095,17 @@ static int __intel_set_mode(struct drm_atomic_state *state)
 
        /* The state has been swaped above, so state actually contains the
         * old state now. */
-
-       modeset_update_crtc_power_domains(state);
-
-       drm_atomic_helper_commit_planes(dev, state);
+       if (any_ms)
+               modeset_update_crtc_power_domains(state);
 
        /* Now enable the clocks, plane, pipe, and connectors that we set up. */
        for_each_crtc_in_state(state, crtc, crtc_state, i) {
-               if (!needs_modeset(crtc->state) || !crtc->state->active)
-                       continue;
-
-               update_scanline_offset(to_intel_crtc(crtc));
+               if (needs_modeset(crtc->state) && crtc->state->active) {
+                       update_scanline_offset(to_intel_crtc(crtc));
+                       dev_priv->display.crtc_enable(crtc);
+               }
 
-               dev_priv->display.crtc_enable(crtc);
-               intel_crtc_enable_planes(crtc);
+               drm_atomic_helper_commit_planes_on_crtc(crtc_state);
        }
 
        /* FIXME: add subpixel order */
@@ -13000,7 +13144,6 @@ void intel_crtc_restore_mode(struct drm_crtc *crtc)
 {
        struct drm_device *dev = crtc->dev;
        struct drm_atomic_state *state;
-       struct intel_crtc *intel_crtc;
        struct intel_encoder *encoder;
        struct intel_connector *connector;
        struct drm_connector_state *connector_state;
@@ -13043,24 +13186,18 @@ void intel_crtc_restore_mode(struct drm_crtc *crtc)
                }
        }
 
-       for_each_intel_crtc(dev, intel_crtc) {
-               if (intel_crtc->new_enabled == intel_crtc->base.enabled)
-                       continue;
-
-               crtc_state = intel_atomic_get_crtc_state(state, intel_crtc);
-               if (IS_ERR(crtc_state)) {
-                       DRM_DEBUG_KMS("Failed to add [CRTC:%d] to state: %ld\n",
-                                     intel_crtc->base.base.id,
-                                     PTR_ERR(crtc_state));
-                       continue;
-               }
+       crtc_state = intel_atomic_get_crtc_state(state, to_intel_crtc(crtc));
+       if (IS_ERR(crtc_state)) {
+               DRM_DEBUG_KMS("Failed to add [CRTC:%d] to state: %ld\n",
+                             crtc->base.id, PTR_ERR(crtc_state));
+               drm_atomic_state_free(state);
+               return;
+       }
 
-               crtc_state->base.active = crtc_state->base.enable =
-                       intel_crtc->new_enabled;
+       crtc_state->base.active = crtc_state->base.enable =
+               to_intel_crtc(crtc)->new_enabled;
 
-               if (&intel_crtc->base == crtc)
-                       drm_mode_copy(&crtc_state->base.mode, &crtc->mode);
-       }
+       drm_mode_copy(&crtc_state->base.mode, &crtc->mode);
 
        intel_modeset_setup_plane_state(state, crtc, &crtc->mode,
                                        crtc->primary->fb, crtc->x, crtc->y);
@@ -13202,8 +13339,9 @@ intel_modeset_stage_output_state(struct drm_device *dev,
        if (IS_ERR(crtc_state))
                return PTR_ERR(crtc_state);
 
-       if (set->mode)
-               drm_mode_copy(&crtc_state->mode, set->mode);
+       ret = drm_atomic_set_mode_for_crtc(crtc_state, set->mode);
+       if (ret)
+               return ret;
 
        if (set->num_connectors)
                crtc_state->active = true;
@@ -13374,28 +13512,6 @@ static void intel_shared_dpll_init(struct drm_device *dev)
        BUG_ON(dev_priv->num_shared_dpll > I915_NUM_PLLS);
 }
 
-/**
- * intel_wm_need_update - Check whether watermarks need updating
- * @plane: drm plane
- * @state: new plane state
- *
- * Check current plane state versus the new one to determine whether
- * watermarks need to be recalculated.
- *
- * Returns true or false.
- */
-bool intel_wm_need_update(struct drm_plane *plane,
-                         struct drm_plane_state *state)
-{
-       /* Update watermarks on tiling changes. */
-       if (!plane->state->fb || !state->fb ||
-           plane->state->fb->modifier[0] != state->fb->modifier[0] ||
-           plane->state->rotation != state->rotation)
-               return true;
-
-       return false;
-}
-
 /**
  * intel_prepare_plane_fb - Prepare fb for usage on plane
  * @plane: drm plane to prepare for
@@ -13415,27 +13531,13 @@ intel_prepare_plane_fb(struct drm_plane *plane,
 {
        struct drm_device *dev = plane->dev;
        struct intel_plane *intel_plane = to_intel_plane(plane);
-       enum pipe pipe = intel_plane->pipe;
        struct drm_i915_gem_object *obj = intel_fb_obj(fb);
        struct drm_i915_gem_object *old_obj = intel_fb_obj(plane->fb);
-       unsigned frontbuffer_bits = 0;
        int ret = 0;
 
        if (!obj)
                return 0;
 
-       switch (plane->type) {
-       case DRM_PLANE_TYPE_PRIMARY:
-               frontbuffer_bits = INTEL_FRONTBUFFER_PRIMARY(pipe);
-               break;
-       case DRM_PLANE_TYPE_CURSOR:
-               frontbuffer_bits = INTEL_FRONTBUFFER_CURSOR(pipe);
-               break;
-       case DRM_PLANE_TYPE_OVERLAY:
-               frontbuffer_bits = INTEL_FRONTBUFFER_SPRITE(pipe);
-               break;
-       }
-
        mutex_lock(&dev->struct_mutex);
 
        if (plane->type == DRM_PLANE_TYPE_CURSOR &&
@@ -13445,11 +13547,11 @@ intel_prepare_plane_fb(struct drm_plane *plane,
                if (ret)
                        DRM_DEBUG_KMS("failed to attach phys object\n");
        } else {
-               ret = intel_pin_and_fence_fb_obj(plane, fb, new_state, NULL);
+               ret = intel_pin_and_fence_fb_obj(plane, fb, new_state, NULL, NULL);
        }
 
        if (ret == 0)
-               i915_gem_track_fb(old_obj, obj, frontbuffer_bits);
+               i915_gem_track_fb(old_obj, obj, intel_plane->frontbuffer_bit);
 
        mutex_unlock(&dev->struct_mutex);
 
@@ -13496,7 +13598,7 @@ skl_max_scale(struct intel_crtc *intel_crtc, struct intel_crtc_state *crtc_state
        dev = intel_crtc->base.dev;
        dev_priv = dev->dev_private;
        crtc_clock = crtc_state->base.adjusted_mode.crtc_clock;
-       cdclk = dev_priv->display.get_display_clock_speed(dev);
+       cdclk = to_intel_atomic_state(crtc_state->base.state)->cdclk;
 
        if (!crtc_clock || !cdclk)
                return DRM_PLANE_HELPER_NO_SCALING;
@@ -13514,102 +13616,28 @@ skl_max_scale(struct intel_crtc *intel_crtc, struct intel_crtc_state *crtc_state
 
 static int
 intel_check_primary_plane(struct drm_plane *plane,
+                         struct intel_crtc_state *crtc_state,
                          struct intel_plane_state *state)
 {
-       struct drm_device *dev = plane->dev;
-       struct drm_i915_private *dev_priv = dev->dev_private;
        struct drm_crtc *crtc = state->base.crtc;
-       struct intel_crtc *intel_crtc;
-       struct intel_crtc_state *crtc_state;
        struct drm_framebuffer *fb = state->base.fb;
-       struct drm_rect *dest = &state->dst;
-       struct drm_rect *src = &state->src;
-       const struct drm_rect *clip = &state->clip;
-       bool can_position = false;
-       int max_scale = DRM_PLANE_HELPER_NO_SCALING;
        int min_scale = DRM_PLANE_HELPER_NO_SCALING;
-       int ret;
-
-       crtc = crtc ? crtc : plane->crtc;
-       intel_crtc = to_intel_crtc(crtc);
-       crtc_state = state->base.state ?
-               intel_atomic_get_crtc_state(state->base.state, intel_crtc) : NULL;
+       int max_scale = DRM_PLANE_HELPER_NO_SCALING;
+       bool can_position = false;
 
-       if (INTEL_INFO(dev)->gen >= 9) {
-               /* use scaler when colorkey is not required */
-               if (to_intel_plane(plane)->ckey.flags == I915_SET_COLORKEY_NONE) {
-                       min_scale = 1;
-                       max_scale = skl_max_scale(intel_crtc, crtc_state);
-               }
+       /* use scaler when colorkey is not required */
+       if (INTEL_INFO(plane->dev)->gen >= 9 &&
+           state->ckey.flags == I915_SET_COLORKEY_NONE) {
+               min_scale = 1;
+               max_scale = skl_max_scale(to_intel_crtc(crtc), crtc_state);
                can_position = true;
        }
 
-       ret = drm_plane_helper_check_update(plane, crtc, fb,
-                                           src, dest, clip,
-                                           min_scale,
-                                           max_scale,
-                                           can_position, true,
-                                           &state->visible);
-       if (ret)
-               return ret;
-
-       if (intel_crtc->active) {
-               struct intel_plane_state *old_state =
-                       to_intel_plane_state(plane->state);
-
-               intel_crtc->atomic.wait_for_flips = true;
-
-               /*
-                * FBC does not work on some platforms for rotated
-                * planes, so disable it when rotation is not 0 and
-                * update it when rotation is set back to 0.
-                *
-                * FIXME: This is redundant with the fbc update done in
-                * the primary plane enable function except that that
-                * one is done too late. We eventually need to unify
-                * this.
-                */
-               if (state->visible &&
-                   INTEL_INFO(dev)->gen <= 4 && !IS_G4X(dev) &&
-                   dev_priv->fbc.crtc == intel_crtc &&
-                   state->base.rotation != BIT(DRM_ROTATE_0)) {
-                       intel_crtc->atomic.disable_fbc = true;
-               }
-
-               if (state->visible && !old_state->visible) {
-                       /*
-                        * BDW signals flip done immediately if the plane
-                        * is disabled, even if the plane enable is already
-                        * armed to occur at the next vblank :(
-                        */
-                       if (IS_BROADWELL(dev))
-                               intel_crtc->atomic.wait_vblank = true;
-
-                       if (crtc_state && !needs_modeset(&crtc_state->base))
-                               intel_crtc->atomic.post_enable_primary = true;
-               }
-
-               if (!state->visible && old_state->visible &&
-                   crtc_state && !needs_modeset(&crtc_state->base))
-                       intel_crtc->atomic.pre_disable_primary = true;
-
-               intel_crtc->atomic.fb_bits |=
-                       INTEL_FRONTBUFFER_PRIMARY(intel_crtc->pipe);
-
-               intel_crtc->atomic.update_fbc = true;
-
-               if (intel_wm_need_update(plane, &state->base))
-                       intel_crtc->atomic.update_wm = true;
-       }
-
-       if (INTEL_INFO(dev)->gen >= 9) {
-               ret = skl_update_scaler_users(intel_crtc, crtc_state,
-                       to_intel_plane(plane), state, 0);
-               if (ret)
-                       return ret;
-       }
-
-       return 0;
+       return drm_plane_helper_check_update(plane, crtc, fb, &state->src,
+                                            &state->dst, &state->clip,
+                                            min_scale, max_scale,
+                                            can_position, true,
+                                            &state->visible);
 }
 
 static void
@@ -13630,20 +13658,19 @@ intel_commit_primary_plane(struct drm_plane *plane,
        crtc->x = src->x1 >> 16;
        crtc->y = src->y1 >> 16;
 
-       if (intel_crtc->active) {
-               if (state->visible)
-                       /* FIXME: kill this fastboot hack */
-                       intel_update_pipe_size(intel_crtc);
+       if (!crtc->state->active)
+               return;
+
+       if (state->visible)
+               /* FIXME: kill this fastboot hack */
+               intel_update_pipe_size(intel_crtc);
 
-               dev_priv->display.update_primary_plane(crtc, plane->fb,
-                                                      crtc->x, crtc->y);
-       }
+       dev_priv->display.update_primary_plane(crtc, fb, crtc->x, crtc->y);
 }
 
 static void
 intel_disable_primary_plane(struct drm_plane *plane,
-                           struct drm_crtc *crtc,
-                           bool force)
+                           struct drm_crtc *crtc)
 {
        struct drm_device *dev = plane->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
@@ -13656,42 +13683,9 @@ static void intel_begin_crtc_commit(struct drm_crtc *crtc)
        struct drm_device *dev = crtc->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-       struct intel_plane *intel_plane;
-       struct drm_plane *p;
-       unsigned fb_bits = 0;
-
-       /* Track fb's for any planes being disabled */
-       list_for_each_entry(p, &dev->mode_config.plane_list, head) {
-               intel_plane = to_intel_plane(p);
-
-               if (intel_crtc->atomic.disabled_planes &
-                   (1 << drm_plane_index(p))) {
-                       switch (p->type) {
-                       case DRM_PLANE_TYPE_PRIMARY:
-                               fb_bits = INTEL_FRONTBUFFER_PRIMARY(intel_plane->pipe);
-                               break;
-                       case DRM_PLANE_TYPE_CURSOR:
-                               fb_bits = INTEL_FRONTBUFFER_CURSOR(intel_plane->pipe);
-                               break;
-                       case DRM_PLANE_TYPE_OVERLAY:
-                               fb_bits = INTEL_FRONTBUFFER_SPRITE(intel_plane->pipe);
-                               break;
-                       }
-
-                       mutex_lock(&dev->struct_mutex);
-                       i915_gem_track_fb(intel_fb_obj(p->fb), NULL, fb_bits);
-                       mutex_unlock(&dev->struct_mutex);
-               }
-       }
-
-       if (intel_crtc->atomic.wait_for_flips)
-               intel_crtc_wait_for_pending_flips(crtc);
 
-       if (intel_crtc->atomic.disable_fbc)
-               intel_fbc_disable(dev);
-
-       if (intel_crtc->atomic.pre_disable_primary)
-               intel_pre_disable_primary(crtc);
+       if (!needs_modeset(crtc->state))
+               intel_pre_plane_update(intel_crtc);
 
        if (intel_crtc->atomic.update_wm)
                intel_update_watermarks(crtc);
@@ -13699,10 +13693,13 @@ static void intel_begin_crtc_commit(struct drm_crtc *crtc)
        intel_runtime_pm_get(dev_priv);
 
        /* Perform vblank evasion around commit operation */
-       if (intel_crtc->active)
+       if (crtc->state->active)
                intel_crtc->atomic.evade =
                        intel_pipe_update_start(intel_crtc,
                                                &intel_crtc->atomic.start_vbl_count);
+
+       if (!needs_modeset(crtc->state) && INTEL_INFO(dev)->gen >= 9)
+               skl_detach_scalers(intel_crtc);
 }
 
 static void intel_finish_crtc_commit(struct drm_crtc *crtc)
@@ -13710,7 +13707,6 @@ static void intel_finish_crtc_commit(struct drm_crtc *crtc)
        struct drm_device *dev = crtc->dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-       struct drm_plane *p;
 
        if (intel_crtc->atomic.evade)
                intel_pipe_update_end(intel_crtc,
@@ -13718,26 +13714,7 @@ static void intel_finish_crtc_commit(struct drm_crtc *crtc)
 
        intel_runtime_pm_put(dev_priv);
 
-       if (intel_crtc->atomic.wait_vblank && intel_crtc->active)
-               intel_wait_for_vblank(dev, intel_crtc->pipe);
-
-       intel_frontbuffer_flip(dev, intel_crtc->atomic.fb_bits);
-
-       if (intel_crtc->atomic.update_fbc) {
-               mutex_lock(&dev->struct_mutex);
-               intel_fbc_update(dev);
-               mutex_unlock(&dev->struct_mutex);
-       }
-
-       if (intel_crtc->atomic.post_enable_primary)
-               intel_post_enable_primary(crtc);
-
-       drm_for_each_legacy_plane(p, &dev->mode_config.plane_list)
-               if (intel_crtc->atomic.update_sprite_watermarks & drm_plane_index(p))
-                       intel_update_sprite_watermarks(p, crtc, 0, 0, 0,
-                                                      false, false);
-
-       memset(&intel_crtc->atomic, 0, sizeof(intel_crtc->atomic));
+       intel_post_plane_update(intel_crtc);
 }
 
 /**
@@ -13793,10 +13770,10 @@ static struct drm_plane *intel_primary_plane_create(struct drm_device *dev,
        }
        primary->pipe = pipe;
        primary->plane = pipe;
+       primary->frontbuffer_bit = INTEL_FRONTBUFFER_PRIMARY(pipe);
        primary->check_plane = intel_check_primary_plane;
        primary->commit_plane = intel_commit_primary_plane;
        primary->disable_plane = intel_disable_primary_plane;
-       primary->ckey.flags = I915_SET_COLORKEY_NONE;
        if (HAS_FBC(dev) && INTEL_INFO(dev)->gen < 4)
                primary->plane = !pipe;
 
@@ -13844,37 +13821,29 @@ void intel_create_rotation_property(struct drm_device *dev, struct intel_plane *
 
 static int
 intel_check_cursor_plane(struct drm_plane *plane,
+                        struct intel_crtc_state *crtc_state,
                         struct intel_plane_state *state)
 {
-       struct drm_crtc *crtc = state->base.crtc;
-       struct drm_device *dev = plane->dev;
+       struct drm_crtc *crtc = crtc_state->base.crtc;
        struct drm_framebuffer *fb = state->base.fb;
-       struct drm_rect *dest = &state->dst;
-       struct drm_rect *src = &state->src;
-       const struct drm_rect *clip = &state->clip;
        struct drm_i915_gem_object *obj = intel_fb_obj(fb);
-       struct intel_crtc *intel_crtc;
        unsigned stride;
        int ret;
 
-       crtc = crtc ? crtc : plane->crtc;
-       intel_crtc = to_intel_crtc(crtc);
-
-       ret = drm_plane_helper_check_update(plane, crtc, fb,
-                                           src, dest, clip,
+       ret = drm_plane_helper_check_update(plane, crtc, fb, &state->src,
+                                           &state->dst, &state->clip,
                                            DRM_PLANE_HELPER_NO_SCALING,
                                            DRM_PLANE_HELPER_NO_SCALING,
                                            true, true, &state->visible);
        if (ret)
                return ret;
 
-
        /* if we want to turn off the cursor ignore width and height */
        if (!obj)
-               goto finish;
+               return 0;
 
        /* Check for which cursor types we support */
-       if (!cursor_size_ok(dev, state->base.crtc_w, state->base.crtc_h)) {
+       if (!cursor_size_ok(plane->dev, state->base.crtc_w, state->base.crtc_h)) {
                DRM_DEBUG("Cursor dimension %dx%d not supported\n",
                          state->base.crtc_w, state->base.crtc_h);
                return -EINVAL;
@@ -13888,34 +13857,16 @@ intel_check_cursor_plane(struct drm_plane *plane,
 
        if (fb->modifier[0] != DRM_FORMAT_MOD_NONE) {
                DRM_DEBUG_KMS("cursor cannot be tiled\n");
-               ret = -EINVAL;
-       }
-
-finish:
-       if (intel_crtc->active) {
-               if (plane->state->crtc_w != state->base.crtc_w)
-                       intel_crtc->atomic.update_wm = true;
-
-               intel_crtc->atomic.fb_bits |=
-                       INTEL_FRONTBUFFER_CURSOR(intel_crtc->pipe);
+               return -EINVAL;
        }
 
-       return ret;
+       return 0;
 }
 
 static void
 intel_disable_cursor_plane(struct drm_plane *plane,
-                          struct drm_crtc *crtc,
-                          bool force)
+                          struct drm_crtc *crtc)
 {
-       struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-
-       if (!force) {
-               plane->fb = NULL;
-               intel_crtc->cursor_bo = NULL;
-               intel_crtc->cursor_addr = 0;
-       }
-
        intel_crtc_update_cursor(crtc, false);
 }
 
@@ -13948,9 +13899,9 @@ intel_commit_cursor_plane(struct drm_plane *plane,
 
        intel_crtc->cursor_addr = addr;
        intel_crtc->cursor_bo = obj;
-update:
 
-       if (intel_crtc->active)
+update:
+       if (crtc->state->active)
                intel_crtc_update_cursor(crtc, state->visible);
 }
 
@@ -13975,6 +13926,7 @@ static struct drm_plane *intel_cursor_plane_create(struct drm_device *dev,
        cursor->max_downscale = 1;
        cursor->pipe = pipe;
        cursor->plane = pipe;
+       cursor->frontbuffer_bit = INTEL_FRONTBUFFER_CURSOR(pipe);
        cursor->check_plane = intel_check_cursor_plane;
        cursor->commit_plane = intel_commit_cursor_plane;
        cursor->disable_plane = intel_disable_cursor_plane;
@@ -14015,8 +13967,6 @@ static void skl_init_scalers(struct drm_device *dev, struct intel_crtc *intel_cr
        for (i = 0; i < intel_crtc->num_scalers; i++) {
                intel_scaler = &scaler_state->scalers[i];
                intel_scaler->in_use = 0;
-               intel_scaler->id = i;
-
                intel_scaler->mode = PS_SCALER_MODE_DYN;
        }
 
@@ -14584,6 +14534,8 @@ static const struct drm_mode_config_funcs intel_mode_funcs = {
        .output_poll_changed = intel_fbdev_output_poll_changed,
        .atomic_check = intel_atomic_check,
        .atomic_commit = intel_atomic_commit,
+       .atomic_state_alloc = intel_atomic_state_alloc,
+       .atomic_state_clear = intel_atomic_state_clear,
 };
 
 /* Set up chip specific display functions */
@@ -14656,6 +14608,9 @@ static void intel_init_display(struct drm_device *dev)
        if (IS_SKYLAKE(dev))
                dev_priv->display.get_display_clock_speed =
                        skylake_get_display_clock_speed;
+       else if (IS_BROXTON(dev))
+               dev_priv->display.get_display_clock_speed =
+                       broxton_get_display_clock_speed;
        else if (IS_BROADWELL(dev))
                dev_priv->display.get_display_clock_speed =
                        broadwell_get_display_clock_speed;
@@ -14717,15 +14672,22 @@ static void intel_init_display(struct drm_device *dev)
                dev_priv->display.fdi_link_train = ivb_manual_fdi_link_train;
        } else if (IS_HASWELL(dev) || IS_BROADWELL(dev)) {
                dev_priv->display.fdi_link_train = hsw_fdi_link_train;
-               if (IS_BROADWELL(dev))
-                       dev_priv->display.modeset_global_resources =
-                               broadwell_modeset_global_resources;
+               if (IS_BROADWELL(dev)) {
+                       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)) {
-               dev_priv->display.modeset_global_resources =
-                       valleyview_modeset_global_resources;
+               dev_priv->display.modeset_commit_cdclk =
+                       valleyview_modeset_commit_cdclk;
+               dev_priv->display.modeset_calc_cdclk =
+                       valleyview_modeset_calc_cdclk;
        } else if (IS_BROXTON(dev)) {
-               dev_priv->display.modeset_global_resources =
-                       broxton_modeset_global_resources;
+               dev_priv->display.modeset_commit_cdclk =
+                       broxton_modeset_commit_cdclk;
+               dev_priv->display.modeset_calc_cdclk =
+                       broxton_modeset_calc_cdclk;
        }
 
        switch (INTEL_INFO(dev)->gen) {
@@ -15103,7 +15065,9 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc)
 {
        struct drm_device *dev = crtc->base.dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
+       struct intel_encoder *encoder;
        u32 reg;
+       bool enable;
 
        /* Clear any frame start delays used for debugging left by the BIOS */
        reg = PIPECONF(crtc->config->cpu_transcoder);
@@ -15120,7 +15084,6 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc)
         * disable the crtc (and hence change the state) if it is wrong. Note
         * that gen4+ has a fixed plane -> pipe mapping.  */
        if (INTEL_INFO(dev)->gen < 4 && !intel_check_plane_mapping(crtc)) {
-               struct intel_connector *connector;
                bool plane;
 
                DRM_DEBUG_KMS("[CRTC:%d] wrong plane connection detected!\n",
@@ -15132,29 +15095,8 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc)
                plane = crtc->plane;
                to_intel_plane_state(crtc->base.primary->state)->visible = true;
                crtc->plane = !plane;
-               intel_crtc_control(&crtc->base, false);
+               intel_crtc_disable_noatomic(&crtc->base);
                crtc->plane = plane;
-
-               /* ... and break all links. */
-               for_each_intel_connector(dev, connector) {
-                       if (connector->encoder->base.crtc != &crtc->base)
-                               continue;
-
-                       connector->base.dpms = DRM_MODE_DPMS_OFF;
-                       connector->base.encoder = NULL;
-               }
-               /* multiple connectors may have the same encoder:
-                *  handle them and break crtc link separately */
-               for_each_intel_connector(dev, connector)
-                       if (connector->encoder->base.crtc == &crtc->base) {
-                               connector->encoder->base.crtc = NULL;
-                               connector->encoder->connectors_active = false;
-                       }
-
-               WARN_ON(crtc->active);
-               crtc->base.state->enable = false;
-               crtc->base.state->active = false;
-               crtc->base.enabled = false;
        }
 
        if (dev_priv->quirks & QUIRK_PIPEA_FORCE &&
@@ -15168,13 +15110,18 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc)
 
        /* Adjust the state of the output pipe according to whether we
         * have active connectors/encoders. */
-       intel_crtc_update_dpms(&crtc->base);
+       enable = false;
+       for_each_encoder_on_crtc(dev, &crtc->base, encoder)
+               enable |= encoder->connectors_active;
+
+       if (!enable)
+               intel_crtc_disable_noatomic(&crtc->base);
 
        if (crtc->active != crtc->base.state->active) {
-               struct intel_encoder *encoder;
 
                /* This can happen either due to bugs in the get_hw_state
-                * functions or because the pipe is force-enabled due to the
+                * functions or because of calls to intel_crtc_disable_noatomic,
+                * or because the pipe is force-enabled due to the
                 * pipe A quirk. */
                DRM_DEBUG_KMS("[CRTC:%d] hw state adjusted, was %s, now %s\n",
                              crtc->base.base.id,
@@ -15294,10 +15241,51 @@ static bool primary_get_hw_state(struct intel_crtc *crtc)
 {
        struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
 
-       if (!crtc->active)
-               return false;
+       return !!(I915_READ(DSPCNTR(crtc->plane)) & DISPLAY_PLANE_ENABLE);
+}
 
-       return I915_READ(DSPCNTR(crtc->plane)) & DISPLAY_PLANE_ENABLE;
+static void readout_plane_state(struct intel_crtc *crtc,
+                               struct intel_crtc_state *crtc_state)
+{
+       struct intel_plane *p;
+       struct drm_plane_state *drm_plane_state;
+       bool active = crtc_state->base.active;
+
+       if (active) {
+               crtc_state->quirks |= PIPE_CONFIG_QUIRK_INITIAL_PLANES;
+
+               /* apply to previous sw state too */
+               to_intel_crtc_state(crtc->base.state)->quirks |=
+                       PIPE_CONFIG_QUIRK_INITIAL_PLANES;
+       }
+
+       for_each_intel_plane(crtc->base.dev, p) {
+               bool visible = active;
+
+               if (crtc->pipe != p->pipe)
+                       continue;
+
+               drm_plane_state = p->base.state;
+               if (active && p->base.type == DRM_PLANE_TYPE_PRIMARY) {
+                       visible = primary_get_hw_state(crtc);
+                       to_intel_plane_state(drm_plane_state)->visible = visible;
+               } else {
+                       /*
+                        * unknown state, assume it's off to force a transition
+                        * to on when calculating state changes.
+                        */
+                       to_intel_plane_state(drm_plane_state)->visible = false;
+               }
+
+               if (visible) {
+                       crtc_state->base.plane_mask |=
+                               1 << drm_plane_index(&p->base);
+               } else if (crtc_state->base.state) {
+                       /* Make this unconditional for atomic hw readout. */
+                       crtc_state->base.plane_mask &=
+                               ~(1 << drm_plane_index(&p->base));
+               }
+       }
 }
 
 static void intel_modeset_readout_hw_state(struct drm_device *dev)
@@ -15310,10 +15298,8 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
        int i;
 
        for_each_intel_crtc(dev, crtc) {
-               struct drm_plane *primary = crtc->base.primary;
-               struct intel_plane_state *plane_state;
-
                memset(crtc->config, 0, sizeof(*crtc->config));
+               crtc->config->base.crtc = &crtc->base;
 
                crtc->config->quirks |= PIPE_CONFIG_QUIRK_INHERITED_MODE;
 
@@ -15323,9 +15309,9 @@ static void intel_modeset_readout_hw_state(struct drm_device *dev)
                crtc->base.state->enable = crtc->active;
                crtc->base.state->active = crtc->active;
                crtc->base.enabled = crtc->active;
+               crtc->base.hwmode = crtc->config->base.adjusted_mode;
 
-               plane_state = to_intel_plane_state(primary->state);
-               plane_state->visible = primary_get_hw_state(crtc);
+               readout_plane_state(crtc, to_intel_crtc_state(crtc->base.state));
 
                DRM_DEBUG_KMS("[CRTC:%d] hw state readout: %s\n",
                              crtc->base.base.id,
@@ -15506,7 +15492,7 @@ void intel_modeset_gem_init(struct drm_device *dev)
                ret = intel_pin_and_fence_fb_obj(c->primary,
                                                 c->primary->fb,
                                                 c->primary->state,
-                                                NULL);
+                                                NULL, NULL);
                mutex_unlock(&dev->struct_mutex);
                if (ret) {
                        DRM_ERROR("failed to pin boot fb on pipe %d\n",
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