From 6c94c71400fbb630549611e17b430458c1c00cf8 Mon Sep 17 00:00:00 2001 From: Jyri Sarha Date: Wed, 7 Sep 2016 11:46:40 +0300 Subject: [PATCH] drm/tilcdc: Take CRTC lock when calling tilcdc_crtc_disable() Take CRTC lock when calling tilcdc_crtc_disable() in tilcdc_crtc_destroy(). In theory there could still be some operation ongoing, which should finish before destroying the CRTC. However, the main reason for adding this is to be able to add WARNing in tilcdc_crtc_disable() if CRTC is not locked. Signed-off-by: Jyri Sarha Reviewed-by: Tomi Valkeinen --- drivers/gpu/drm/tilcdc/tilcdc_crtc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c index 41ce411..c1cbabc 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c @@ -230,7 +230,9 @@ static void tilcdc_crtc_destroy(struct drm_crtc *crtc) struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc); struct tilcdc_drm_private *priv = crtc->dev->dev_private; + drm_modeset_lock_crtc(crtc, NULL); tilcdc_crtc_disable(crtc); + drm_modeset_unlock_crtc(crtc); flush_workqueue(priv->wq); -- 2.7.4