From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Now that the vblank wait is gone from intel_enable_primary_plane(),
hsw_enable_ips() needs to do the vblank wait itself.
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 12 ++++++------
drivers/gpu/drm/i915/intel_sprite.c | 5 +----
2 files changed, 7 insertions(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 6bfa357..2bddd41 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3550,17 +3550,17 @@ static void intel_disable_planes(struct drm_crtc *crtc)
void hsw_enable_ips(struct intel_crtc *crtc)
{
- struct drm_i915_private *dev_priv = crtc->base.dev->dev_private;
+ struct drm_device *dev = crtc->base.dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
if (!crtc->config.ips_enabled)
return;
- /* We can only enable IPS after we enable a plane and wait for a vblank.
- * We guarantee that the plane is enabled by calling intel_enable_ips
- * only after intel_enable_plane. And intel_enable_plane already waits
- * for a vblank, so all we need to do here is to enable the IPS bit. */
+ /* We can only enable IPS after we enable a plane and wait for a vblank */
+ intel_wait_for_vblank(dev, crtc->pipe);
+
assert_plane_enabled(dev_priv, crtc->plane);
- if (IS_BROADWELL(crtc->base.dev)) {
+ if (IS_BROADWELL(dev)) {
mutex_lock(&dev_priv->rps.hw_lock);
WARN_ON(sandybridge_pcode_write(dev_priv, DISPLAY_IPS_CONTROL, 0xc0000000));
mutex_unlock(&dev_priv->rps.hw_lock);
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index 336ae6c..4df7245 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -540,10 +540,7 @@ intel_enable_primary(struct drm_crtc *crtc)
* when going from primary only to sprite only and vice
* versa.
*/
- if (intel_crtc->config.ips_enabled) {
- intel_wait_for_vblank(dev, intel_crtc->pipe);
- hsw_enable_ips(intel_crtc);
- }
+ hsw_enable_ips(intel_crtc);
mutex_lock(&dev->struct_mutex);
intel_update_fbc(dev);
--
1.8.3.2
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