drm/amdgpu: Add smu firmware support for vega20

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Feifei Xu <Feifei.Xu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -400,6 +400,9 @@ static int amdgpu_cgs_get_firmware_info(struct cgs_device *cgs_device,
 			case CHIP_VEGA12:
 				strcpy(fw_name, "amdgpu/vega12_smc.bin");
 				break;
+			case CHIP_VEGA20:
+				strcpy(fw_name, "amdgpu/vega20_smc.bin");
+				break;
 			default:
 				DRM_ERROR("SMC firmware not supported\n");
 				return -EINVAL;

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

@@ -45,6 +45,7 @@ MODULE_FIRMWARE("amdgpu/vegam_smc.bin");
 MODULE_FIRMWARE("amdgpu/vega10_smc.bin");
 MODULE_FIRMWARE("amdgpu/vega10_acg_smc.bin");
 MODULE_FIRMWARE("amdgpu/vega12_smc.bin");
+MODULE_FIRMWARE("amdgpu/vega20_smc.bin");
 
 int smum_thermal_avfs_enable(struct pp_hwmgr *hwmgr)
 {