From: Maarten Lankhorst <maarten.lankho...@linux.intel.com>

Assume the function is locked with drm_modeset_lock_all for now.

Signed-off-by: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 131 ++++++++++-------------------------
 1 file changed, 38 insertions(+), 93 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c 
b/drivers/gpu/drm/i915/intel_display.c
index 99a45bee20d8..5a43ac02b925 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -106,8 +106,6 @@ static void intel_begin_crtc_commit(struct drm_crtc *crtc);
 static void intel_finish_crtc_commit(struct drm_crtc *crtc);
 static void skl_init_scalers(struct drm_device *dev, struct intel_crtc 
*intel_crtc,
        struct intel_crtc_state *crtc_state);
-static void intel_crtc_enable_planes(struct drm_crtc *crtc);
-static void intel_crtc_disable_planes(struct drm_crtc *crtc);
 static void intel_pre_disable_primary(struct drm_crtc *crtc);
 static void intel_post_enable_primary(struct drm_crtc *crtc);
 
@@ -2197,28 +2195,6 @@ void intel_flush_primary_plane(struct drm_i915_private 
*dev_priv,
        POSTING_READ(reg);
 }
 
-/**
- * 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
@@ -4455,20 +4431,6 @@ 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;
@@ -4698,44 +4660,6 @@ intel_pre_disable_primary(struct drm_crtc *crtc)
        hsw_disable_ips(intel_crtc);
 }
 
-static void intel_crtc_enable_planes(struct drm_crtc *crtc)
-{
-       intel_enable_primary_hw_plane(crtc->primary, crtc);
-       intel_enable_sprite_planes(crtc);
-       intel_crtc_update_cursor(crtc, true);
-
-       intel_post_enable_primary(crtc);
-}
-
-static void intel_crtc_disable_planes(struct drm_crtc *crtc)
-{
-       struct drm_device *dev = crtc->dev;
-       struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-       struct intel_plane *intel_plane;
-       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);
-               }
-       }
-
-       /*
-        * 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));
-}
-
 static void ironlake_crtc_enable(struct drm_crtc *crtc)
 {
        struct drm_device *dev = crtc->dev;
@@ -5728,10 +5652,13 @@ static void i9xx_crtc_disable(struct drm_crtc *crtc)
 void 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_plane_state *plane_state;
+       struct drm_atomic_state *state;
+       int ret;
 
        if (enable == intel_crtc->active)
                return;
@@ -5740,23 +5667,41 @@ void intel_crtc_control(struct drm_crtc *crtc, bool 
enable)
                return;
 
        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;
 
-               dev_priv->display.crtc_enable(crtc);
-               intel_crtc_enable_planes(crtc);
-       } else {
-               intel_crtc_disable_planes(crtc);
-               dev_priv->display.crtc_disable(crtc);
+       /* this function should be called with drm_modeset_lock_all for now */
+       if (WARN_ON(!ctx))
+               return;
+       lockdep_assert_held(&ctx->ww_ctx);
 
-               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 = drm_atomic_state_alloc(dev);
+       if (WARN_ON(!state))
+               return;
+
+       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;
+
+       plane_state = drm_atomic_get_plane_state(state, crtc->primary);
+       if (IS_ERR(plane_state)) {
+               ret = PTR_ERR(plane_state);
+               goto err;
        }
+
+       ret = intel_set_mode(crtc, state);
+       if (!ret)
+               return;
+
+       DRM_ERROR("Failed to toggle crtc!\n");
+
+err:
+       DRM_ERROR("Updating crtc active failed with %i\n", ret);
+       drm_atomic_state_free(state);
 }
 
 /**
-- 
2.1.0

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