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 jsarha@ti.com --- 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 6974624..2763f9f 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c @@ -250,7 +250,9 @@ 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);