The atomic helpers set planes_changed on a crtc_state if there is
any plane_state bound to that crtc. If there's none and there is
no pipe update required the crtc has nothing to update, so vblank
evasion can be skipped.
Signed-off-by: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
---
drivers/gpu/drm/i915/intel_display.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c
b/drivers/gpu/drm/i915/intel_display.c
index f64ea430b976..9754ee2bb37c 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -13146,7 +13146,8 @@ static int intel_atomic_commit(struct drm_device *dev,
if (!modeset)
intel_pre_plane_update(intel_crtc);
- if (crtc->state->active)
+ if (crtc->state->active &&
+ (crtc->state->planes_changed || update_pipe))
drm_atomic_helper_commit_planes_on_crtc(crtc_state);
if (put_domains)
--
2.1.0
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