drm/amdgpu: vega12 to smu firmware

Add the cgs interface to query the smu firmware for vega12
and declare the firmware.
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>

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

@@ -654,6 +654,9 @@ static int amdgpu_cgs_get_firmware_info(struct cgs_device *cgs_device,
 				else
 					strcpy(fw_name, "amdgpu/vega10_smc.bin");
 				break;
+			case CHIP_VEGA12:
+				strcpy(fw_name, "amdgpu/vega12_smc.bin");
+				break;
 			default:
 				DRM_ERROR("SMC firmware not supported\n");
 				return -EINVAL;

drivers/gpu/drm/amd/powerplay/smumgr/smumgr.c

@@ -43,6 +43,7 @@ MODULE_FIRMWARE("amdgpu/polaris11_k_smc.bin");
 MODULE_FIRMWARE("amdgpu/polaris12_smc.bin");
 MODULE_FIRMWARE("amdgpu/vega10_smc.bin");
 MODULE_FIRMWARE("amdgpu/vega10_acg_smc.bin");
+MODULE_FIRMWARE("amdgpu/vega12_smc.bin");
 
 int smum_thermal_avfs_enable(struct pp_hwmgr *hwmgr)
 {