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| author | Andrey Grodzovsky <andrey.grodzovsky@amd.com> | 2021-05-19 17:14:07 +0300 |
|---|---|---|
| committer | Andrey Grodzovsky <andrey.grodzovsky@amd.com> | 2021-05-20 06:50:28 +0300 |
| commit | 0b10ab80695d61422337ede6ff496552d8ace99d (patch) | |
| tree | f9118b43787f82e25bf3d89b3110d5082969d145 /drivers/gpu/drm/scheduler | |
| parent | c61cdbdbffc169dc7f1e6fe94dfffaf574fe672a (diff) | |
| download | linux-0b10ab80695d61422337ede6ff496552d8ace99d.tar.xz | |
drm/sched: Avoid data corruptions
Wait for all dependencies of a job to complete before
killing it to avoid data corruptions.
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210519141407.88444-1-andrey.grodzovsky@amd.com
Diffstat (limited to 'drivers/gpu/drm/scheduler')
| -rw-r--r-- | drivers/gpu/drm/scheduler/sched_entity.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/scheduler/sched_entity.c b/drivers/gpu/drm/scheduler/sched_entity.c index 2e93e881b65f..79554aa4dbb1 100644 --- a/drivers/gpu/drm/scheduler/sched_entity.c +++ b/drivers/gpu/drm/scheduler/sched_entity.c @@ -222,11 +222,16 @@ static void drm_sched_entity_kill_jobs_cb(struct dma_fence *f, static void drm_sched_entity_kill_jobs(struct drm_sched_entity *entity) { struct drm_sched_job *job; + struct dma_fence *f; int r; while ((job = to_drm_sched_job(spsc_queue_pop(&entity->job_queue)))) { struct drm_sched_fence *s_fence = job->s_fence; + /* Wait for all dependencies to avoid data corruptions */ + while ((f = job->sched->ops->dependency(job, entity))) + dma_fence_wait(f, false); + drm_sched_fence_scheduled(s_fence); dma_fence_set_error(&s_fence->finished, -ESRCH); |