drm/i915: Remove atomic.pre_disable_primary.

This can be derived from the atomic state in pre_plane_update,
which makes it more clear when it's supposed to be called.

Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1454514805-10595-3-git-send-email-maarten.lankhorst@linux.intel.com

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 4760ecb..a7fa627 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4804,19 +4804,33 @@ static void intel_post_plane_update(struct intel_crtc *crtc)
        memset(atomic, 0, sizeof(*atomic));
 }
 
-static void intel_pre_plane_update(struct intel_crtc *crtc)
+static void intel_pre_plane_update(struct intel_crtc_state *old_crtc_state)
 {
+       struct intel_crtc *crtc = to_intel_crtc(old_crtc_state->base.crtc);
        struct drm_device *dev = crtc->base.dev;
        struct drm_i915_private *dev_priv = dev->dev_private;
        struct intel_crtc_atomic_commit *atomic = &crtc->atomic;
        struct intel_crtc_state *pipe_config =
                to_intel_crtc_state(crtc->base.state);
+       struct drm_atomic_state *old_state = old_crtc_state->base.state;
+       struct drm_plane *primary = crtc->base.primary;
+       struct drm_plane_state *old_pri_state =
+               drm_atomic_get_existing_plane_state(old_state, primary);
+       bool modeset = needs_modeset(&pipe_config->base);
 
        if (atomic->update_fbc)
                intel_fbc_pre_update(crtc);
 
-       if (atomic->pre_disable_primary)
-               intel_pre_disable_primary(&crtc->base);
+       if (old_pri_state) {
+               struct intel_plane_state *primary_state =
+                       to_intel_plane_state(primary->state);
+               struct intel_plane_state *old_primary_state =
+                       to_intel_plane_state(old_pri_state);
+
+               if (old_primary_state->visible &&
+                   (modeset || !primary_state->visible))
+                       intel_pre_disable_primary(&crtc->base);
+       }
 
        if (pipe_config->disable_cxsr) {
                crtc->wm.cxsr_allowed = false;
@@ -11882,7 +11896,6 @@ int intel_plane_atomic_calc_changes(struct drm_crtc_state *crtc_state,
 
        switch (plane->type) {
        case DRM_PLANE_TYPE_PRIMARY:
-               intel_crtc->atomic.pre_disable_primary = turn_off;
                intel_crtc->atomic.post_enable_primary = turn_on;
                intel_crtc->atomic.update_fbc = true;
 
@@ -13494,7 +13507,7 @@ static int intel_atomic_commit(struct drm_device *dev,
                if (!needs_modeset(crtc->state))
                        continue;
 
-               intel_pre_plane_update(intel_crtc);
+               intel_pre_plane_update(to_intel_crtc_state(crtc_state));
 
                if (crtc_state->active) {
                        intel_crtc_disable_planes(crtc, crtc_state->plane_mask);
@@ -13550,7 +13563,7 @@ static int intel_atomic_commit(struct drm_device *dev,
                }
 
                if (!modeset)
-                       intel_pre_plane_update(intel_crtc);
+                       intel_pre_plane_update(to_intel_crtc_state(crtc_state));
 
                if (crtc->state->active && intel_crtc->atomic.update_fbc)
                        intel_fbc_enable(intel_crtc);

diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 5fd3e13..d0921ba 100644 (file)
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -544,7 +544,6 @@ struct intel_mmio_flip {
  */
 struct intel_crtc_atomic_commit {
        /* Sleepable operations to perform before commit */
-       bool pre_disable_primary;
 
        /* Sleepable operations to perform after commit */
        unsigned fb_bits;