[Intel-gfx] [PATCH 2/3] agp/intel: add new intel-gtt.h for new GTT controls

Zhenyu Wang zhenyuw at linux.intel.com
Fri Aug 27 05:19:18 CEST 2010


New intel gfx device requires new GTT controls. Add them
into under kernel include dir to be shared with drm/i915
driver.

Signed-off-by: Zhenyu Wang <zhenyuw at linux.intel.com>
---
 include/linux/intel-gtt.h |   20 ++++++++++++++++++++
 1 files changed, 20 insertions(+), 0 deletions(-)
 create mode 100644 include/linux/intel-gtt.h

diff --git a/include/linux/intel-gtt.h b/include/linux/intel-gtt.h
new file mode 100644
index 0000000..1d19ab2
--- /dev/null
+++ b/include/linux/intel-gtt.h
@@ -0,0 +1,20 @@
+/*
+ * Common Intel AGPGART and GTT definitions.
+ */
+#ifndef _INTEL_GTT_H
+#define _INTEL_GTT_H
+
+#include <linux/agp_backend.h>
+
+/* This is for Intel only GTT controls.
+ *
+ * Sandybridge: AGP_USER_CACHED_MEMORY default to LLC only
+ */
+
+#define AGP_USER_CACHED_MEMORY_LLC_MLC (AGP_USER_TYPES + 2)
+#define AGP_USER_UNCACHED_MEMORY (AGP_USER_TYPES + 4)
+
+/* flag for GFDT type */
+#define AGP_USER_CACHED_MEMORY_GFDT (1 << 3)
+
+#endif
-- 
1.7.0.4




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