drm/i915: Wait for vblank in hsw_enable_ips()
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@linux.intel.com> Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
parent
75f7f3ec60
commit
cea165c345
|
@ -3734,17 +3734,17 @@ 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);
|
||||
|
|
|
@ -696,10 +696,7 @@ intel_post_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);
|
||||
}
|
||||
|
||||
mutex_lock(&dev->struct_mutex);
|
||||
intel_update_fbc(dev);
|
||||
|
|
Loading…
Reference in a new issue