Since the sprite planes are using synchronized MMIO based flip, no need
to wait for vblank. Removing this wait allows us to get a nice
performance boost to both 3D & media workloads based on sprite (~60 fps
from ~20 fps)
Signed-off-by: Vijay Purushothaman <vijay.a.purushothaman at intel.com>
Signed-off-by: Gary Smith <gary.k.smith at intel.com>
---
drivers/gpu/drm/i915/intel_sprite.c | 14 +-------------
1 file changed, 1 insertion(+), 13 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index 1fa5612..1d14fc0 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -828,20 +828,8 @@ intel_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
intel_disable_primary(crtc);
/* Unpin old obj after new one is active to avoid ugliness */
- if (old_obj) {
- /*
- * It's fairly common to simply update the position of
- * an existing object. In that case, we don't need to
- * wait for vblank to avoid ugliness, we only need to
- * do the pin & ref bookkeeping.
- */
- if (old_obj != obj) {
- mutex_unlock(&dev->struct_mutex);
- intel_wait_for_vblank(dev, to_intel_crtc(crtc)->pipe);
- mutex_lock(&dev->struct_mutex);
- }
+ if (old_obj)
intel_unpin_fb_obj(old_obj);
- }
out_unlock:
mutex_unlock(&dev->struct_mutex);
--
1.7.9.5
