[Intel-gfx] [PATCH 08/25] drm/malidp: Annotate dma-fence critical section in commit path
Daniel Vetter
daniel.vetter at ffwll.ch
Tue Jul 7 20:12:12 UTC 2020
Again needs to be put right after the call to
drm_atomic_helper_commit_hw_done(), since that's the last thing which
can hold up a subsequent atomic commit.
No surprises here.
Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
Cc: "James (Qian) Wang" <james.qian.wang at arm.com>
Cc: Liviu Dudau <liviu.dudau at arm.com>
Cc: Mihail Atanassov <mihail.atanassov at arm.com>
---
drivers/gpu/drm/arm/malidp_drv.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/arm/malidp_drv.c b/drivers/gpu/drm/arm/malidp_drv.c
index 69fee05c256c..26e60401a8e1 100644
--- a/drivers/gpu/drm/arm/malidp_drv.c
+++ b/drivers/gpu/drm/arm/malidp_drv.c
@@ -234,6 +234,7 @@ static void malidp_atomic_commit_tail(struct drm_atomic_state *state)
struct drm_crtc *crtc;
struct drm_crtc_state *old_crtc_state;
int i;
+ bool fence_cookie = dma_fence_begin_signalling();
pm_runtime_get_sync(drm->dev);
@@ -260,6 +261,8 @@ static void malidp_atomic_commit_tail(struct drm_atomic_state *state)
malidp_atomic_commit_hw_done(state);
+ dma_fence_end_signalling(fence_cookie);
+
pm_runtime_put(drm->dev);
drm_atomic_helper_cleanup_planes(drm, state);
--
2.27.0
More information about the Intel-gfx
mailing list