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path: root/drivers/gpu/drm/drm_atomic_helper.c
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Diffstat (limited to 'drivers/gpu/drm/drm_atomic_helper.c')
-rw-r--r--drivers/gpu/drm/drm_atomic_helper.c2
1 files changed, 2 insertions, 0 deletions
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);
}
}