drm/i915: Calculate cursor watermark under non-SR state for Ironlake

The hardware team suggest that the "large buffer" method should be
used to calculate the cursor watermark under non-SR state as well,
which is to avoid the flicker when FBC is enabled on Ironlake.

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 1f741a6d0b1..d0ccfa0c72d 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2190,6 +2190,9 @@
 #define ILK_DISPLAY_FIFO        128
 #define ILK_DISPLAY_MAXWM       64
 #define ILK_DISPLAY_DFTWM       8
+#define ILK_CURSOR_FIFO         32
+#define ILK_CURSOR_MAXWM        16
+#define ILK_CURSOR_DFTWM        8
 
 #define ILK_DISPLAY_SR_FIFO     512
 #define ILK_DISPLAY_MAX_SRWM    0x1ff