1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index eb44432d79bf..edced95aa75f 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -3020,6 +3020,10 @@
 #define   ILK_DPFC_DIS1         (1<<8)
 #define   ILK_DPFC_DIS2         (1<<9)
 
+#define IVB_CHICKEN3    0x4200c
+# define CHICKEN3_DGMG_REQ_OUT_FIX_DISABLE      (1 << 5)
+# define CHICKEN3_DGMG_DONE_FIX_DISABLE         (1 << 2)
+
 #define DISP_ARB_CTL    0x45000
 #define  DISP_TILE_SURFACE_SWIZZLING    (1<<13)
 #define  DISP_FBC_WM_DIS                (1<<15)