diff mbox

i965: alloc cached bo for query object on Sandybridge

Message ID 1292302562-5800-4-git-send-email-zhenyuw@linux.intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Zhenyu Wang Dec. 14, 2010, 4:56 a.m. UTC 
None
diff mbox

Patch

diff --git a/src/mesa/drivers/dri/i965/brw_queryobj.c b/src/mesa/drivers/dri/i965/brw_queryobj.c
index f28f286..8c639de 100644
--- a/src/mesa/drivers/dri/i965/brw_queryobj.c
+++ b/src/mesa/drivers/dri/i965/brw_queryobj.c
@@ -231,7 +231,11 @@  brw_prepare_query_begin(struct brw_context *brw)
       drm_intel_bo_unreference(brw->query.bo);
       brw->query.bo = NULL;
 
-      brw->query.bo = drm_intel_bo_alloc(intel->bufmgr, "query", 4096, 1);
+      /* Sandybridge requires PIPE_CONTROL write DW to be LLC cached. */
+      if (intel->gen >= 6)
+	  brw->query.bo = drm_intel_gem_bo_alloc_cached(intel->bufmgr, "query", 4096, 1);
+      else
+	  brw->query.bo = drm_intel_bo_alloc(intel->bufmgr, "query", 4096, 1);
       brw->query.index = 0;
    }