From 885054f9917ef459c885926e2c130e80d5326faa Mon Sep 17 00:00:00 2001
From: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Date: Fri, 12 Oct 2018 11:46:38 +0200
Subject: [PATCH] drm/sti: make crct disable atomic
Wait until the next vblank to be sure that crtc has been disabled.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20181012094639.1585-1-benjamin.gaignard@linaro.org
---
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 5824e6aca8f4a..61c2379fba879 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
--
2.30.2