From: Ville Syrjälä ville.syrjala@linux.intel.com
Vblank waits timing out is no a normal thing to happen, so let's inform people when it happens.
Signed-off-by: Ville Syrjälä ville.syrjala@linux.intel.com --- drivers/gpu/drm/drm_atomic_helper.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 7bf678ee7f81..40c7b268a9bc 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -1103,6 +1103,8 @@ drm_atomic_helper_wait_for_vblanks(struct drm_device *dev, drm_crtc_vblank_count(crtc), msecs_to_jiffies(50));
+ WARN(!ret, "[CRTC:%d] vblank wait timed out\n", crtc->base.id); + drm_crtc_vblank_put(crtc); } }