Commit 0b10ab80 authored by Andrey Grodzovsky's avatar Andrey Grodzovsky

drm/sched: Avoid data corruptions

Wait for all dependencies of a job  to complete before
killing it to avoid data corruptions.
Signed-off-by: default avatarAndrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210519141407.88444-1-andrey.grodzovsky@amd.com
parent c61cdbdb
......@@ -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);
......
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