drm/amdgpu: improve parse_cs handling a bit

This way we can use parse_cs and still keep VM mode enabled.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-and-Tested by: Leo Liu <leo.liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -822,13 +822,14 @@ static int amdgpu_cs_ib_vm_chunk(struct amdgpu_device *adev,
 
 	/* Only for UVD/VCE VM emulation */
 	if (ring->funcs->parse_cs) {
-		p->job->vm = NULL;
 		for (i = 0; i < p->job->num_ibs; i++) {
 			r = amdgpu_ring_parse_cs(ring, p, i);
 			if (r)
 				return r;
 		}
-	} else {
+	}
+
+	if (p->job->vm) {
 		p->job->vm_pd_addr = amdgpu_bo_gpu_offset(vm->page_directory);
 
 		r = amdgpu_bo_vm_update_pte(p, vm);
@@ -917,7 +918,7 @@ static int amdgpu_cs_ib_fill(struct amdgpu_device *adev,
 			offset = ((uint64_t)m->it.start) * AMDGPU_GPU_PAGE_SIZE;
 			kptr += chunk_ib->va_start - offset;
 
-			r =  amdgpu_ib_get(adev, NULL, chunk_ib->ib_bytes, ib);
+			r =  amdgpu_ib_get(adev, vm, chunk_ib->ib_bytes, ib);
 			if (r) {
 				DRM_ERROR("Failed to get ib !\n");
 				return r;
@@ -932,9 +933,9 @@ static int amdgpu_cs_ib_fill(struct amdgpu_device *adev,
 				return r;
 			}
 
-			ib->gpu_addr = chunk_ib->va_start;
 		}
 
+		ib->gpu_addr = chunk_ib->va_start;
 		ib->length_dw = chunk_ib->ib_bytes / 4;
 		ib->flags = chunk_ib->flags;
 		j++;

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

@@ -876,6 +876,9 @@ int amdgpu_uvd_ring_parse_cs(struct amdgpu_cs_parser *parser, uint32_t ib_idx)
 	struct amdgpu_ib *ib = &parser->job->ibs[ib_idx];
 	int r;
 
+	parser->job->vm = NULL;
+	ib->gpu_addr = amdgpu_sa_bo_gpu_addr(ib->sa_bo);
+
 	if (ib->length_dw % 16) {
 		DRM_ERROR("UVD IB length (%d) not 16 dwords aligned!\n",
 			  ib->length_dw);

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

@@ -642,6 +642,9 @@ int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p, uint32_t ib_idx)
 	uint32_t *size = &tmp;
 	int i, r, idx = 0;
 
+	p->job->vm = NULL;
+	ib->gpu_addr = amdgpu_sa_bo_gpu_addr(ib->sa_bo);
+
 	r = amdgpu_cs_sysvm_access_required(p);
 	if (r)
 		return r;