drm/amdgpu: add common early init support for GC 9.4.3

init asic funcs and cp/pg flags for GC 9.4.3
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Le Ma <Le.Ma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/soc15.c

@@ -1100,6 +1100,11 @@ static int soc15_common_early_init(void *handle)
 		adev->pg_flags = AMD_PG_SUPPORT_VCN_DPG;
 		adev->external_rev_id = adev->rev_id + 0x3c;
 		break;
+	case IP_VERSION(9, 4, 3):
+		adev->asic_funcs = &vega20_asic_funcs;
+		adev->cg_flags = 0;
+		adev->pg_flags = 0;
+		break;
 	default:
 		/* FIXME: not supported yet */
 		return -EINVAL;