drm/amdgpu/vcn: merge shared memory into vcpu

Merge vcn firmware shared memory bo into vcn vcpu bo.

Signed-off-by: James Zhu <[e-mail]>
Reviewed-by: Leo Liu <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

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

···
 	bo_size = AMDGPU_VCN_STACK_SIZE + AMDGPU_VCN_CONTEXT_SIZE;
 	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
 		bo_size += AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
+	bo_size += AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared));
 
 	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
 		if (adev->vcn.harvest_config & (1 << i))
···
 			return r;
 		}
 
+		adev->vcn.inst[i].fw_shared_cpu_addr = adev->vcn.inst[i].cpu_addr +
+				bo_size - AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared));
+		adev->vcn.inst[i].fw_shared_gpu_addr = adev->vcn.inst[i].gpu_addr +
+				bo_size - AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared));
+
 		if (adev->vcn.indirect_sram) {
 			r = amdgpu_bo_create_kernel(adev, 64 * 2 * 4, PAGE_SIZE,
 					AMDGPU_GEM_DOMAIN_VRAM, &adev->vcn.inst[i].dpg_sram_bo,
···
 				dev_err(adev->dev, "VCN %d (%d) failed to allocate DPG bo\n", i, r);
 				return r;
 			}
-		}
-
-		r = amdgpu_bo_create_kernel(adev, AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared)),
-				PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM, &adev->vcn.inst[i].fw_shared_bo,
-				&adev->vcn.inst[i].fw_shared_gpu_addr, &adev->vcn.inst[i].fw_shared_cpu_addr);
-		if (r) {
-			dev_err(adev->dev, "VCN %d (%d) failed to allocate firmware shared bo\n", i, r);
-			return r;
 		}
 	}
 
···
 	for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
 		if (adev->vcn.harvest_config & (1 << j))
 			continue;
-
-		amdgpu_bo_free_kernel(&adev->vcn.inst[j].fw_shared_bo,
-					  &adev->vcn.inst[j].fw_shared_gpu_addr,
-					  (void **)&adev->vcn.inst[j].fw_shared_cpu_addr);
 
 		if (adev->vcn.indirect_sram) {
 			amdgpu_bo_free_kernel(&adev->vcn.inst[j].dpg_sram_bo,

drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.h

···
 	struct amdgpu_irq_src	irq;
 	struct amdgpu_vcn_reg	external;
 	struct amdgpu_bo	*dpg_sram_bo;
-	struct amdgpu_bo	*fw_shared_bo;
 	struct dpg_pause_state	pause_state;
 	void			*dpg_sram_cpu_addr;
 	uint64_t		dpg_sram_gpu_addr;