drm/amdgpu: support query vram info for sienna_cichlid

support query vram_module v11 and vram_info v2_5
for sienna_cichlid
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Likun Gao <Likun.Gao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -120,11 +120,13 @@ union umc_info {
 union vram_info {
 	struct atom_vram_info_header_v2_3 v23;
 	struct atom_vram_info_header_v2_4 v24;
+	struct atom_vram_info_header_v2_5 v25;
 };
 
 union vram_module {
 	struct atom_vram_module_v9 v9;
 	struct atom_vram_module_v10 v10;
+	struct atom_vram_module_v11 v11;
 };
 
 static int convert_atom_mem_type_to_vram_type(struct amdgpu_device *adev,
@@ -260,6 +262,26 @@ amdgpu_atomfirmware_get_vram_info(struct amdgpu_device *adev,
 				if (vram_vendor)
 					*vram_vendor = mem_vendor;
 				break;
+			case 5:
+				if (module_id > vram_info->v25.vram_module_num)
+					module_id = 0;
+				vram_module = (union vram_module *)vram_info->v25.vram_module;
+				while (i < module_id) {
+					vram_module = (union vram_module *)
+						((u8 *)vram_module + vram_module->v11.vram_module_size);
+					i++;
+				}
+				mem_type = vram_module->v11.memory_type;
+				if (vram_type)
+					*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
+				mem_channel_number = vram_module->v11.channel_num;
+				mem_channel_width = vram_module->v11.channel_width;
+				if (vram_width)
+					*vram_width = mem_channel_number * (1 << mem_channel_width);
+				mem_vendor = (vram_module->v11.vender_rev_id) & 0xF;
+				if (vram_vendor)
+					*vram_vendor = mem_vendor;
+				break;
 			default:
 				return -EINVAL;
 			}