[Intel-gfx] [PATCH v4 11/27] drm/i915: do not wait for vblank when crtc is off

[Maarten Lankhorst]

This can happen when turning off a sprite plane. Because the crtc state
is not yet always swapped correctly and transitional helpers are used
the crtc state cannot be relied on.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 3b36e1f24c4e..93ac7c29f210 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -13510,7 +13510,7 @@ static void intel_finish_crtc_commit(struct drm_crtc *crtc)
 
 	intel_runtime_pm_put(dev_priv);
 
-	if (intel_crtc->atomic.wait_vblank)
+	if (intel_crtc->atomic.wait_vblank && intel_crtc->active)
 		intel_wait_for_vblank(dev, intel_crtc->pipe);
 
 	intel_frontbuffer_flip(dev, intel_crtc->atomic.fb_bits);
-- 
2.1.0