gallium/radeon: just get num_tile_pipes from the winsys

[mesa.git] / src / gallium / winsys / radeon / drm / radeon_drm_winsys.c

diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
index 3c8d5a7e20da24a9dbd348220a3a9c818cf1c67a..b97ccfd16797d4a69f9029df861894eda0ceadde 100644 (file)
--- a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
@@ -392,6 +392,11 @@ static boolean do_winsys_init(struct radeon_drm_winsys *ws)
             if (radeon_get_drm_value(ws->fd, RADEON_INFO_BACKEND_MAP, NULL,
                                       &ws->info.r600_gb_backend_map))
                 ws->info.r600_gb_backend_map_valid = TRUE;
+        } else {
+            ws->info.num_tile_pipes =
+                ws->info.chip_class >= EVERGREEN ?
+                    1 << (ws->info.r600_tiling_config & 0xf) :
+                    1 << ((ws->info.r600_tiling_config & 0xe) >> 1);
         }
 
         ws->info.has_virtual_memory = FALSE;