Flush flip-work workqueue before drm_flip_work_cleanup(). It causes a
nasty warning if there is unfinished flip-work in the queue when
drm_flip_work_cleanup() is called. The flush_workqueue() has to be
called before drm_crtc_cleanup() for unref_worker() to be able to do
its job.
Signed-off-by: Jyri Sarha <jsarha@xxxxxx>
---
drivers/gpu/drm/tilcdc/tilcdc_crtc.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
index f4e6a5b..6974624 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
@@ -18,6 +18,7 @@
#include "drm_flip_work.h"
#include <drm/drm_plane_helper.h>
#include <drm/drm_atomic_helper.h>
+#include <linux/workqueue.h>
#include "tilcdc_drv.h"
#include "tilcdc_regs.h"
@@ -247,9 +248,12 @@ out:
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;
tilcdc_crtc_disable(crtc);
+ flush_workqueue(priv->wq);
+
of_node_put(crtc->port);
drm_crtc_cleanup(crtc);
drm_flip_work_cleanup(&tilcdc_crtc->unref_work);
--
1.9.1
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