drm/i915: Set up fence registers on sandybridge.
Signed-off-by: Eric Anholt <eric@anholt.net>
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index eff8d85..1232229 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -235,6 +235,9 @@
#define I965_FENCE_REG_VALID (1<<0)
#define I965_FENCE_MAX_PITCH_VAL 0x0400
+#define FENCE_REG_SANDYBRIDGE_0 0x100000
+#define SANDYBRIDGE_FENCE_PITCH_SHIFT 32
+
/*
* Instruction and interrupt control regs
*/