---

yaml --- r: 145359 b: refs/heads/master c: cfa16a0 h: refs/heads/master i: 145357: 5ed1f37 145355: 138f06a 145351: b4ce5b6 145343: 9681397 v: v3
git-mirror · May 27, 2009 · 44770dc · 44770dc
1 parent 339a287
commit 44770dc
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Showing 2 changed files with 11 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e76a16deb8785317a23cca7204331af053e0fb4e
+refs/heads/master: cfa16a0de5392c54db553ec2233a7110e4b4da7a
diff --git a/trunk/drivers/gpu/drm/i915/i915_gem.c b/trunk/drivers/gpu/drm/i915/i915_gem.c
@@ -2423,6 +2423,16 @@ i915_gem_clflush_object(struct drm_gem_object *obj)
 	if (obj_priv->pages == NULL)
 		return;
 
+	/* XXX: The 865 in particular appears to be weird in how it handles
+	 * cache flushing.  We haven't figured it out, but the
+	 * clflush+agp_chipset_flush doesn't appear to successfully get the
+	 * data visible to the PGU, while wbinvd + agp_chipset_flush does.
+	 */
+	if (IS_I865G(obj->dev)) {
+		wbinvd();
+		return;
+	}
+
 	drm_clflush_pages(obj_priv->pages, obj->size / PAGE_SIZE);
 }