[PATCH 05/11] drm/amdgpu: add vm recover entity

[David1.Zhou@xxxxxxx (Chunming Zhou)]

every vm uses itself recover entity to recovery page table from shadow.

Change-Id: I93e37666cb3fb511311c96ff172b6e9ebd337547
Signed-off-by: Chunming Zhou <David1.Zhou at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu.h    |  3 ++-
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 21 ++++++++++++++-------
 2 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 9f7fae0..98f631a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -911,7 +911,8 @@ struct amdgpu_vm {
 
 	/* Scheduler entity for page table updates */
 	struct amd_sched_entity	entity;
-
+	struct amd_sched_entity	recover_entity;
+	struct amdgpu_ring      *ring;
 	/* client id */
 	u64                     client_id;
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 1d58577..6d2a28a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -714,13 +714,13 @@ error_free:
 }
 
 static int amdgpu_vm_recover_bo_from_shadow(struct amdgpu_device *adev,
+					    struct amdgpu_vm *vm,
 					    struct amdgpu_bo *bo,
 					    struct amdgpu_bo *bo_shadow,
 					    struct reservation_object *resv,
 					    struct fence **fence)
 
 {
-	struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring;
 	int r;
 	uint64_t vram_addr, gtt_addr;
 
@@ -739,8 +739,8 @@ static int amdgpu_vm_recover_bo_from_shadow(struct amdgpu_device *adev,
 	if (r)
 		goto err3;
 
-	r = amdgpu_copy_buffer(ring, &adev->mman.entity, gtt_addr, vram_addr,
-			       amdgpu_bo_size(bo), resv, fence);
+	r = amdgpu_copy_buffer(vm->ring, &vm->recover_entity, gtt_addr,
+			       vram_addr, amdgpu_bo_size(bo), resv, fence);
 	if (!r)
 		amdgpu_bo_fence(bo, *fence, true);
 
@@ -767,7 +767,7 @@ int amdgpu_vm_recover_page_table_from_shadow(struct amdgpu_device *adev,
 	if (unlikely(r != 0))
 		return r;
 
-	r = amdgpu_vm_recover_bo_from_shadow(adev, vm->page_directory,
+	r = amdgpu_vm_recover_bo_from_shadow(adev, vm, vm->page_directory,
 					     vm->page_directory->shadow,
 					     NULL, &fence);
 	if (r) {
@@ -784,7 +784,7 @@ int amdgpu_vm_recover_page_table_from_shadow(struct amdgpu_device *adev,
 
 		if (!bo || !bo_shadow)
 			continue;
-		r = amdgpu_vm_recover_bo_from_shadow(adev, bo, bo_shadow,
+		r = amdgpu_vm_recover_bo_from_shadow(adev, vm, bo, bo_shadow,
 						     NULL, &fence);
 		if (r) {
 			DRM_ERROR("recover page table failed!\n");
@@ -1678,12 +1678,17 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm)
 	ring_instance = atomic_inc_return(&adev->vm_manager.vm_pte_next_ring);
 	ring_instance %= adev->vm_manager.vm_pte_num_rings;
 	ring = adev->vm_manager.vm_pte_rings[ring_instance];
+	rq = &ring->sched.sched_rq[AMD_SCHED_PRIORITY_RECOVER];
+	r = amd_sched_entity_init(&ring->sched, &vm->recover_entity,
+				  rq, amdgpu_sched_jobs);
+	if (r)
+		goto err;
 	rq = &ring->sched.sched_rq[AMD_SCHED_PRIORITY_KERNEL];
 	r = amd_sched_entity_init(&ring->sched, &vm->entity,
 				  rq, amdgpu_sched_jobs);
 	if (r)
-		goto err;
-
+		goto err1;
+	vm->ring = ring;
 	vm->page_directory_fence = NULL;
 
 	r = amdgpu_bo_create(adev, pd_size, align, true,
@@ -1725,6 +1730,8 @@ error_free_page_directory:
 error_free_sched_entity:
 	amd_sched_entity_fini(&ring->sched, &vm->entity);
 
+err1:
+	amd_sched_entity_fini(&ring->sched, &vm->recover_entity);
 err:
 	drm_free_large(vm->page_tables);
 
-- 
1.9.1