[Intel-gfx] [PATCH 16/65] drm/tidss: Annotate dma-fence critical section in commit path
Daniel Vetter
daniel.vetter at ffwll.ch
Fri Oct 23 12:21:27 UTC 2020
Ends right after hw_done(), totally standard case.
Acked-by: Jyri Sarha <jsarha at ti.com>
Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
Cc: Jyri Sarha <jsarha at ti.com>
Cc: Tomi Valkeinen <tomi.valkeinen at ti.com>
---
drivers/gpu/drm/tidss/tidss_kms.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/gpu/drm/tidss/tidss_kms.c b/drivers/gpu/drm/tidss/tidss_kms.c
index 09485c7f0d6f..95f8e0f78e32 100644
--- a/drivers/gpu/drm/tidss/tidss_kms.c
+++ b/drivers/gpu/drm/tidss/tidss_kms.c
@@ -4,6 +4,8 @@
* Author: Tomi Valkeinen <tomi.valkeinen at ti.com>
*/
+#include <linux/dma-fence.h>
+
#include <drm/drm_atomic.h>
#include <drm/drm_atomic_helper.h>
#include <drm/drm_bridge.h>
@@ -26,6 +28,7 @@ static void tidss_atomic_commit_tail(struct drm_atomic_state *old_state)
{
struct drm_device *ddev = old_state->dev;
struct tidss_device *tidss = to_tidss(ddev);
+ bool fence_cookie = dma_fence_begin_signalling();
dev_dbg(ddev->dev, "%s\n", __func__);
@@ -36,6 +39,7 @@ static void tidss_atomic_commit_tail(struct drm_atomic_state *old_state)
drm_atomic_helper_commit_modeset_enables(ddev, old_state);
drm_atomic_helper_commit_hw_done(old_state);
+ dma_fence_end_signalling(fence_cookie);
drm_atomic_helper_wait_for_flip_done(ddev, old_state);
drm_atomic_helper_cleanup_planes(ddev, old_state);
--
2.28.0
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