drm/scheduler: modify args of drm_sched_entity_init

replace run queue by a list of run queues and remove the
sched arg as that is part of run queue itself

Signed-off-by: Nayan Deshmukh <nayan26deshmukh@gmail.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Acked-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c

@@ -90,8 +90,8 @@ static int amdgpu_ctx_init(struct amdgpu_device *adev,
 		if (ring == &adev->gfx.kiq.ring)
 			continue;
 
-		r = drm_sched_entity_init(&ring->sched, &ctx->rings[i].entity,
-					  rq, &ctx->guilty);
+		r = drm_sched_entity_init(&ctx->rings[i].entity,
+					  &rq, 1, &ctx->guilty);
 		if (r)
 			goto failed;
 	}

drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c

@@ -1918,8 +1918,7 @@ void amdgpu_ttm_set_buffer_funcs_status(struct amdgpu_device *adev, bool enable)
 
 		ring = adev->mman.buffer_funcs_ring;
 		rq = &ring->sched.sched_rq[DRM_SCHED_PRIORITY_KERNEL];
-		r = drm_sched_entity_init(&ring->sched, &adev->mman.entity,
-					  rq, NULL);
+		r = drm_sched_entity_init(&adev->mman.entity, &rq, 1, NULL);
 		if (r) {
 			DRM_ERROR("Failed setting up TTM BO move entity (%d)\n",
 				  r);

drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c

@@ -266,8 +266,8 @@ int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
 
 		ring = &adev->uvd.inst[j].ring;
 		rq = &ring->sched.sched_rq[DRM_SCHED_PRIORITY_NORMAL];
-		r = drm_sched_entity_init(&ring->sched, &adev->uvd.inst[j].entity,
-					  rq, NULL);
+		r = drm_sched_entity_init(&adev->uvd.inst[j].entity, &rq,
+					  1, NULL);
 		if (r != 0) {
 			DRM_ERROR("Failed setting up UVD(%d) run queue.\n", j);
 			return r;

drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c

@@ -190,8 +190,7 @@ int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned long size)
 
 	ring = &adev->vce.ring[0];
 	rq = &ring->sched.sched_rq[DRM_SCHED_PRIORITY_NORMAL];
-	r = drm_sched_entity_init(&ring->sched, &adev->vce.entity,
-				  rq, NULL);
+	r = drm_sched_entity_init(&adev->vce.entity, &rq, 1, NULL);
 	if (r != 0) {
 		DRM_ERROR("Failed setting up VCE run queue.\n");
 		return r;

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c

@@ -2564,8 +2564,7 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
 	ring_instance %= adev->vm_manager.vm_pte_num_rings;
 	ring = adev->vm_manager.vm_pte_rings[ring_instance];
 	rq = &ring->sched.sched_rq[DRM_SCHED_PRIORITY_KERNEL];
-	r = drm_sched_entity_init(&ring->sched, &vm->entity,
-				  rq, NULL);
+	r = drm_sched_entity_init(&vm->entity, &rq, 1, NULL);
 	if (r)
 		return r;
 

drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c

@@ -430,8 +430,8 @@ static int uvd_v6_0_sw_init(void *handle)
 		struct drm_sched_rq *rq;
 		ring = &adev->uvd.inst->ring_enc[0];
 		rq = &ring->sched.sched_rq[DRM_SCHED_PRIORITY_NORMAL];
-		r = drm_sched_entity_init(&ring->sched, &adev->uvd.inst->entity_enc,
-					  rq, NULL);
+		r = drm_sched_entity_init(&adev->uvd.inst->entity_enc,
+					  &rq, 1, NULL);
 		if (r) {
 			DRM_ERROR("Failed setting up UVD ENC run queue.\n");
 			return r;

drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c

@@ -432,8 +432,8 @@ static int uvd_v7_0_sw_init(void *handle)
 	for (j = 0; j < adev->uvd.num_uvd_inst; j++) {
 		ring = &adev->uvd.inst[j].ring_enc[0];
 		rq = &ring->sched.sched_rq[DRM_SCHED_PRIORITY_NORMAL];
-		r = drm_sched_entity_init(&ring->sched, &adev->uvd.inst[j].entity_enc,
-					  rq, NULL);
+		r = drm_sched_entity_init(&adev->uvd.inst[j].entity_enc,
+					  &rq, 1, NULL);
 		if (r) {
 			DRM_ERROR("(%d)Failed setting up UVD ENC run queue.\n", j);
 			return r;

drivers/gpu/drm/etnaviv/etnaviv_drv.c

@@ -49,12 +49,12 @@ static int etnaviv_open(struct drm_device *dev, struct drm_file *file)
 
 	for (i = 0; i < ETNA_MAX_PIPES; i++) {
 		struct etnaviv_gpu *gpu = priv->gpu[i];
+		struct drm_sched_rq *rq;
 
 		if (gpu) {
-			drm_sched_entity_init(&gpu->sched,
-				&ctx->sched_entity[i],
-				&gpu->sched.sched_rq[DRM_SCHED_PRIORITY_NORMAL],
-				NULL);
+			rq = &gpu->sched.sched_rq[DRM_SCHED_PRIORITY_NORMAL];
+			drm_sched_entity_init(&ctx->sched_entity[i],
+					      &rq, 1, NULL);
 			}
 	}
 

drivers/gpu/drm/scheduler/gpu_scheduler.c

@@ -162,26 +162,30 @@ drm_sched_rq_select_entity(struct drm_sched_rq *rq)
  * drm_sched_entity_init - Init a context entity used by scheduler when
  * submit to HW ring.
  *
- * @sched: scheduler instance
  * @entity: scheduler entity to init
- * @rq: the run queue this entity belongs
+ * @rq_list: the list of run queue on which jobs from this
+ *           entity can be submitted
+ * @num_rq_list: number of run queue in rq_list
  * @guilty: atomic_t set to 1 when a job on this queue
  *          is found to be guilty causing a timeout
  *
+ * Note: the rq_list should have atleast one element to schedule
+ *       the entity
+ *
  * Returns 0 on success or a negative error code on failure.
 */
-int drm_sched_entity_init(struct drm_gpu_scheduler *sched,
-			  struct drm_sched_entity *entity,
-			  struct drm_sched_rq *rq,
+int drm_sched_entity_init(struct drm_sched_entity *entity,
+			  struct drm_sched_rq **rq_list,
+			  unsigned int num_rq_list,
 			  atomic_t *guilty)
 {
-	if (!(sched && entity && rq))
+	if (!(entity && rq_list && num_rq_list > 0 && rq_list[0]))
 		return -EINVAL;
 
 	memset(entity, 0, sizeof(struct drm_sched_entity));
 	INIT_LIST_HEAD(&entity->list);
-	entity->rq = rq;
-	entity->sched = sched;
+	entity->rq = rq_list[0];
+	entity->sched = rq_list[0]->sched;
 	entity->guilty = guilty;
 	entity->last_scheduled = NULL;
 

drivers/gpu/drm/v3d/v3d_drv.c

@@ -123,6 +123,7 @@ v3d_open(struct drm_device *dev, struct drm_file *file)
 {
 	struct v3d_dev *v3d = to_v3d_dev(dev);
 	struct v3d_file_priv *v3d_priv;
+	struct drm_sched_rq *rq;
 	int i;
 
 	v3d_priv = kzalloc(sizeof(*v3d_priv), GFP_KERNEL);
@@ -132,10 +133,8 @@ v3d_open(struct drm_device *dev, struct drm_file *file)
 	v3d_priv->v3d = v3d;
 
 	for (i = 0; i < V3D_MAX_QUEUES; i++) {
-		drm_sched_entity_init(&v3d->queue[i].sched,
-				      &v3d_priv->sched_entity[i],
-				      &v3d->queue[i].sched.sched_rq[DRM_SCHED_PRIORITY_NORMAL],
-				      NULL);
+		rq = &v3d->queue[i].sched.sched_rq[DRM_SCHED_PRIORITY_NORMAL];
+		drm_sched_entity_init(&v3d_priv->sched_entity[i], &rq, 1, NULL);
 	}
 
 	file->driver_priv = v3d_priv;

include/drm/gpu_scheduler.h

@@ -282,9 +282,9 @@ int drm_sched_init(struct drm_gpu_scheduler *sched,
 		   const char *name);
 void drm_sched_fini(struct drm_gpu_scheduler *sched);
 
-int drm_sched_entity_init(struct drm_gpu_scheduler *sched,
-			  struct drm_sched_entity *entity,
-			  struct drm_sched_rq *rq,
+int drm_sched_entity_init(struct drm_sched_entity *entity,
+			  struct drm_sched_rq **rq_list,
+			  unsigned int num_rq_list,
 			  atomic_t *guilty);
 long drm_sched_entity_flush(struct drm_gpu_scheduler *sched,
 			   struct drm_sched_entity *entity, long timeout);