drm/i915: Add frame buffer compression on Sandybridge

[deliverable/linux.git] / drivers / gpu / drm / i915 / i915_reg.h

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 61ef98db9ff08a0fd7f8cbfd44a0b74b8176002d..820e9dfaadc761deb0be9771fcbc6781296a1ce0 100644 (file)
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -599,6 +599,16 @@
 #define   ILK_PABSTRETCH_DIS   (1<<21)
 
 
+/*
+ * Framebuffer compression for Sandybridge
+ *
+ * The following two registers are of type GTTMMADR
+ */
+#define SNB_DPFC_CTL_SA                0x100100
+#define   SNB_CPU_FENCE_ENABLE (1<<29)
+#define DPFC_CPU_FENCE_OFFSET  0x100104
+
+
 /*
  * GPIO regs
  */