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drm/sched: Add new test for DRM_GPU_SCHED_STAT_NO_HANG

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Add a test to submit a single job against a scheduler with the timeout
configured and verify that if the job is still running, the timeout
handler will skip the reset and allow the job to complete.

Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Reviewed-by: Philipp Stanner <phasta@kernel.org>
Link: https://lore.kernel.org/r/20250714-sched-skip-reset-v6-4-5c5ba4f55039@igalia.com
Signed-off-by: Maíra Canal <mcanal@igalia.com>
This commit is contained in:
Maíra Canal
2025-07-14 19:07:05 -03:00
parent 9b9b5a3605
commit 1472e7549f
3 changed files with 49 additions and 0 deletions
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5
drivers/gpu/drm/scheduler/tests/mock_scheduler.c
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@@ -218,6 +218,11 @@ mock_sched_timedout_job(struct drm_sched_job *sched_job)
struct drm_mock_sched_job *job = drm_sched_job_to_mock_job(sched_job);
unsigned long flags;
if (job->flags & DRM_MOCK_SCHED_JOB_DONT_RESET) {
job->flags &= ~DRM_MOCK_SCHED_JOB_DONT_RESET;
return DRM_GPU_SCHED_STAT_NO_HANG;
}
spin_lock_irqsave(&sched->lock, flags);
if (!dma_fence_is_signaled_locked(&job->hw_fence)) {
list_del(&job->link);