drm/amdgpu/vcn: enable indirect DPG SRAM mode for navi14

Enable VCN dynamic powergating for navi14.
Signed-off-by: Xiaojie Yuan <xiaojie.yuan@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -84,6 +84,9 @@ int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
 		break;
     case CHIP_NAVI14:
 		fw_name = FIRMWARE_NAVI14;
+		if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
+		    (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
+			adev->vcn.indirect_sram = true;
 		break;
 	default:
 		return -EINVAL;

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

@@ -589,7 +589,8 @@ static int nv_common_early_init(void *handle)
 			AMD_CG_SUPPORT_VCN_MGCG |
 			AMD_CG_SUPPORT_BIF_MGCG |
 			AMD_CG_SUPPORT_BIF_LS;
-		adev->pg_flags = AMD_PG_SUPPORT_VCN;
+		adev->pg_flags = AMD_PG_SUPPORT_VCN |
+			AMD_PG_SUPPORT_VCN_DPG;
 		adev->external_rev_id = adev->rev_id + 0x1; /* ??? */
 		break;
 	default: