---

yaml --- r: 306961 b: refs/heads/master c: 9e984bc h: refs/heads/master i: 306959: 92b5bf6 v: v3
git-mirror · Mar 18, 2012 · 3739b9b · 3739b9b
1 parent 85cdbd4
commit 3739b9b
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e2b665c48099d9c2229a187467761da4882eb066
+refs/heads/master: 9e984bc1dffd405138ff22356188b6a1677c64c8
diff --git a/trunk/drivers/gpu/drm/i915/i915_dma.c b/trunk/drivers/gpu/drm/i915/i915_dma.c
@@ -43,6 +43,7 @@
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <acpi/video.h>
+#include <asm/pat.h>
 
 static void i915_write_hws_pga(struct drm_device *dev)
 {
@@ -1918,6 +1919,11 @@ static void
 i915_mtrr_setup(struct drm_i915_private *dev_priv, unsigned long base,
 		unsigned long size)
 {
+#if defined(CONFIG_X86_PAT)
+	if (cpu_has_pat)
+		return;
+#endif
+
 	/* Set up a WC MTRR for non-PAT systems.  This is more common than
 	 * one would think, because the kernel disables PAT on first
 	 * generation Core chips because WC PAT gets overridden by a UC