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drm/sched: Add a simple timeout test

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Add a very simple timeout test which submits a single job and verifies
that the timeout handling will run if the backend failed to complete the
job in time.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Danilo Krummrich <dakr@kernel.org>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Philipp Stanner <phasta@kernel.org>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Philipp Stanner <phasta@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20250324092633.49746-4-tvrtko.ursulin@igalia.com
This commit is contained in:
Tvrtko Ursulin
2025-03-24 09:26:30 +00:00
committed by Philipp Stanner
parent 5a99350794
commit 53e6597492
3 changed files with 73 additions and 6 deletions
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11
drivers/gpu/drm/scheduler/tests/mock_scheduler.c
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@@ -203,7 +203,11 @@ static struct dma_fence *mock_sched_run_job(struct drm_sched_job *sched_job)
static enum drm_gpu_sched_stat
mock_sched_timedout_job(struct drm_sched_job *sched_job)
{
return DRM_GPU_SCHED_STAT_ENODEV;
struct drm_mock_sched_job *job = drm_sched_job_to_mock_job(sched_job);
job->flags |= DRM_MOCK_SCHED_JOB_TIMEDOUT;
return DRM_GPU_SCHED_STAT_NOMINAL;
}
static void mock_sched_free_job(struct drm_sched_job *sched_job)
@@ -234,17 +238,18 @@ static const struct drm_sched_backend_ops drm_mock_scheduler_ops = {
* drm_mock_sched_new - Create a new mock scheduler
*
* @test: KUnit test owning the job
* @timeout: Job timeout to set
*
* Returns: New mock scheduler with allocation managed by the test
*/
struct drm_mock_scheduler *drm_mock_sched_new(struct kunit *test)
struct drm_mock_scheduler *drm_mock_sched_new(struct kunit *test, long timeout)
{
struct drm_sched_init_args args = {
.ops = &drm_mock_scheduler_ops,
.num_rqs = DRM_SCHED_PRIORITY_COUNT,
.credit_limit = U32_MAX,
.hang_limit = 1,
.timeout = MAX_SCHEDULE_TIMEOUT,
.timeout = timeout,
.name = "drm-mock-scheduler",
};
struct drm_mock_scheduler *sched;