drm/amd/amdgpu: add common support for beige_goby

Add external id and set clock gating for beige_goby
Signed-off-by: Chengming Gui <Jack.Gui@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -1255,6 +1255,11 @@ static int nv_common_early_init(void *handle)
 			AMD_PG_SUPPORT_MMHUB;
 		adev->external_rev_id = adev->rev_id + 0x3c;
 		break;
+	case CHIP_BEIGE_GOBY:
+		adev->cg_flags = 0;
+		adev->pg_flags = 0;
+		adev->external_rev_id = adev->rev_id + 0x46;
+		break;
 	default:
 		/* FIXME: not supported yet */
 		return -EINVAL;
@@ -1378,6 +1383,7 @@ static int nv_common_set_clockgating_state(void *handle,
 	case CHIP_SIENNA_CICHLID:
 	case CHIP_NAVY_FLOUNDER:
 	case CHIP_DIMGREY_CAVEFISH:
+	case CHIP_BEIGE_GOBY:
 		adev->nbio.funcs->update_medium_grain_clock_gating(adev,
 				state == AMD_CG_STATE_GATE);
 		adev->nbio.funcs->update_medium_grain_light_sleep(adev,