drm/radeon/kms: allow STRMOUT_BASE_UPDATE on RS780 and RS880

This is required to make streamout work there.
Signed-off-by: Marek Olšák <maraeo@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

drivers/gpu/drm/radeon/r600_cs.c

@@ -2180,7 +2180,8 @@ static int r600_packet3_check(struct radeon_cs_parser *p,
 		}
 		break;
 	case PACKET3_STRMOUT_BASE_UPDATE:
-		if (p->family < CHIP_RV770) {
+		/* RS780 and RS880 also need this */
+		if (p->family < CHIP_RS780) {
 			DRM_ERROR("STRMOUT_BASE_UPDATE only supported on 7xx\n");
 			return -EINVAL;
 		}

drivers/gpu/drm/radeon/radeon_drv.c

@@ -64,9 +64,10 @@
  *   2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query
  *   2.21.0 - r600-r700: FMASK and CMASK
  *   2.22.0 - r600 only: RESOLVE_BOX allowed
+ *   2.23.0 - allow STRMOUT_BASE_UPDATE on RS780 and RS880
  */
 #define KMS_DRIVER_MAJOR	2
-#define KMS_DRIVER_MINOR	22
+#define KMS_DRIVER_MINOR	23
 #define KMS_DRIVER_PATCHLEVEL	0
 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
 int radeon_driver_unload_kms(struct drm_device *dev);