Wait until the next vblank to be sure that crtc has been disabled.
Signed-off-by: Benjamin Gaignard <[email protected]>
Reviewed-by: Daniel Vetter <[email protected]>
---
drivers/gpu/drm/sti/sti_crtc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/sti/sti_crtc.c b/drivers/gpu/drm/sti/sti_crtc.c
index 5824e6aca8f4..61c2379fba87 100644
--- a/drivers/gpu/drm/sti/sti_crtc.c
+++ b/drivers/gpu/drm/sti/sti_crtc.c
@@ -40,6 +40,8 @@ static void sti_crtc_atomic_disable(struct drm_crtc *crtc,
DRM_DEBUG_DRIVER("\n");
mixer->status = STI_MIXER_DISABLING;
+
+ drm_crtc_wait_one_vblank(crtc);
}
static int
--
2.15.0
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