diff options
| author | Chunming Zhou <David1.Zhou@amd.com> | 2016-06-29 07:23:55 (GMT) |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-07-07 19:06:15 (GMT) |
| commit | ec75f573c358bf4b36148659534b3674b80f7a09 (patch) | |
| tree | 613356df6e5b3e4b55fcab5b13e96ee4902d48e5 /drivers/gpu/drm | |
| parent | 2200edac745a658452659536e573b4b23b00b9eb (diff) | |
| download | linux-ec75f573c358bf4b36148659534b3674b80f7a09.tar.xz | |
drm/amdgpu: add amd_sched_job_recovery
Which is to recover hw jobs when gpu reset.
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/amd/scheduler/gpu_scheduler.c | 33 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/scheduler/gpu_scheduler.h | 1 |
2 files changed, 34 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c index cf2d64b..70ff09d 100644 --- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c +++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c @@ -32,6 +32,7 @@ static bool amd_sched_entity_is_ready(struct amd_sched_entity *entity); static void amd_sched_wakeup(struct amd_gpu_scheduler *sched); +static void amd_sched_process_job(struct fence *f, struct fence_cb *cb); struct kmem_cache *sched_fence_slab; atomic_t sched_fence_slab_ref = ATOMIC_INIT(0); @@ -395,6 +396,38 @@ void amd_sched_hw_job_reset(struct amd_gpu_scheduler *sched) spin_unlock(&sched->job_list_lock); } +void amd_sched_job_recovery(struct amd_gpu_scheduler *sched) +{ + struct amd_sched_job *s_job; + int r; + + spin_lock(&sched->job_list_lock); + s_job = list_first_entry_or_null(&sched->ring_mirror_list, + struct amd_sched_job, node); + if (s_job) + schedule_delayed_work(&s_job->work_tdr, sched->timeout); + + list_for_each_entry(s_job, &sched->ring_mirror_list, node) { + struct amd_sched_fence *s_fence = s_job->s_fence; + struct fence *fence = sched->ops->run_job(s_job); + if (fence) { + s_fence->parent = fence_get(fence); + r = fence_add_callback(fence, &s_fence->cb, + amd_sched_process_job); + if (r == -ENOENT) + amd_sched_process_job(fence, &s_fence->cb); + else if (r) + DRM_ERROR("fence add callback failed (%d)\n", + r); + fence_put(fence); + } else { + DRM_ERROR("Failed to run job!\n"); + amd_sched_process_job(NULL, &s_fence->cb); + } + } + spin_unlock(&sched->job_list_lock); +} + /** * Submit a job to the job queue * diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h index fdcd8fb..7cbbbfb 100644 --- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h +++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h @@ -154,4 +154,5 @@ int amd_sched_job_init(struct amd_sched_job *job, struct amd_sched_entity *entity, void *owner); void amd_sched_hw_job_reset(struct amd_gpu_scheduler *sched); +void amd_sched_job_recovery(struct amd_gpu_scheduler *sched); #endif |