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.lankhorst@xxxxxxxxxxxxxxx> --- 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 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
