Message ID | 20221004132831.134986-1-christian.koenig@amd.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | drm/sched: add missing NULL check in drm_sched_get_cleanup_job v2 | expand |
On 04/10/2022 14:28, Christian König wrote: > Otherwise we would crash if the job is not resubmitted. > > v2: fix second usage of s_fence->parent as well. > > Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Steven Price <steven.price@arm.com> > --- > drivers/gpu/drm/scheduler/sched_main.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c > index ce86b03e8386..4cc59bae38dd 100644 > --- a/drivers/gpu/drm/scheduler/sched_main.c > +++ b/drivers/gpu/drm/scheduler/sched_main.c > @@ -919,7 +919,8 @@ drm_sched_get_cleanup_job(struct drm_gpu_scheduler *sched) > job = list_first_entry_or_null(&sched->pending_list, > struct drm_sched_job, list); > > - if (job && dma_fence_is_signaled(job->s_fence->parent)) { > + if (job && (!job->s_fence->parent || > + dma_fence_is_signaled(job->s_fence->parent))) { > /* remove job from pending_list */ > list_del_init(&job->list); > > @@ -929,7 +930,7 @@ drm_sched_get_cleanup_job(struct drm_gpu_scheduler *sched) > next = list_first_entry_or_null(&sched->pending_list, > typeof(*next), list); > > - if (next) { > + if (next && job->s_fence->parent) { > next->s_fence->scheduled.timestamp = > job->s_fence->parent->timestamp; > /* start TO timer for next job */
diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c index ce86b03e8386..4cc59bae38dd 100644 --- a/drivers/gpu/drm/scheduler/sched_main.c +++ b/drivers/gpu/drm/scheduler/sched_main.c @@ -919,7 +919,8 @@ drm_sched_get_cleanup_job(struct drm_gpu_scheduler *sched) job = list_first_entry_or_null(&sched->pending_list, struct drm_sched_job, list); - if (job && dma_fence_is_signaled(job->s_fence->parent)) { + if (job && (!job->s_fence->parent || + dma_fence_is_signaled(job->s_fence->parent))) { /* remove job from pending_list */ list_del_init(&job->list); @@ -929,7 +930,7 @@ drm_sched_get_cleanup_job(struct drm_gpu_scheduler *sched) next = list_first_entry_or_null(&sched->pending_list, typeof(*next), list); - if (next) { + if (next && job->s_fence->parent) { next->s_fence->scheduled.timestamp = job->s_fence->parent->timestamp; /* start TO timer for next job */
Otherwise we would crash if the job is not resubmitted. v2: fix second usage of s_fence->parent as well. Signed-off-by: Christian König <christian.koenig@amd.com> --- drivers/gpu/drm/scheduler/sched_main.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)