drm/amdgpu:add hang_limit for sched(v2)

since gpu_scheduler source domain cannot access amdgpu variable
so need create the hang_limit membewr for sched, and it can
refer it for the upcoming GPU RESET patches

v2:
make hang_limit a parameter of sched_init()

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Chunming Zhou <David1.Zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
index 219c15f..72e8eac 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
@@ -446,7 +446,7 @@ int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring,
                        timeout = MAX_SCHEDULE_TIMEOUT;
                }
                r = amd_sched_init(&ring->sched, &amdgpu_sched_ops,
-                                  num_hw_submission,
+                                  num_hw_submission, amdgpu_job_hang_limit,
                                   timeout, ring->name);
                if (r) {
                        DRM_ERROR("Failed to create scheduler on ring %s.\n",

diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
index 9061c88..5a1ece2 100644 (file)
--- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.c
@@ -676,13 +676,17 @@ static int amd_sched_main(void *param)
 */
 int amd_sched_init(struct amd_gpu_scheduler *sched,
                   const struct amd_sched_backend_ops *ops,
-                  unsigned hw_submission, long timeout, const char *name)
+                  unsigned hw_submission,
+                  unsigned hang_limit,
+                  long timeout,
+                  const char *name)
 {
        int i;
        sched->ops = ops;
        sched->hw_submission_limit = hw_submission;
        sched->name = name;
        sched->timeout = timeout;
+       sched->hang_limit = hang_limit;
        for (i = AMD_SCHED_PRIORITY_MIN; i < AMD_SCHED_PRIORITY_MAX; i++)
                amd_sched_rq_init(&sched->sched_rq[i]);
 

diff --git a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
index 3f75b45..3ea75a2 100644 (file)
--- a/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
+++ b/drivers/gpu/drm/amd/scheduler/gpu_scheduler.h
@@ -144,11 +144,12 @@ struct amd_gpu_scheduler {
        struct task_struct              *thread;
        struct list_head        ring_mirror_list;
        spinlock_t                      job_list_lock;
+       int hang_limit;
 };
 
 int amd_sched_init(struct amd_gpu_scheduler *sched,
                   const struct amd_sched_backend_ops *ops,
-                  uint32_t hw_submission, long timeout, const char *name);
+                  uint32_t hw_submission, unsigned hang_limit, long timeout, const char *name);
 void amd_sched_fini(struct amd_gpu_scheduler *sched);
 
 int amd_sched_entity_init(struct amd_gpu_scheduler *sched,