drm/i915: properly set HSW WM_LP watermarks

[linux-imx.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 19021bd8b0306a5eda1026ed1b293ed4b9119f8e..e00422128a0ac80d15496037a8ce3af98898b2a9 100644 (file)
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -3100,6 +3100,10 @@
 #define WM3S_LP_IVB            0x45128
 #define  WM1S_LP_EN            (1<<31)
 
+#define HSW_WM_LP_VAL(lat, fbc, pri, cur) \
+       (WM3_LP_EN | ((lat) << WM1_LP_LATENCY_SHIFT) | \
+        ((fbc) << WM1_LP_FBC_SHIFT) | ((pri) << WM1_LP_SR_SHIFT) | (cur))
+
 /* Memory latency timer register */
 #define MLTR_ILK               0x11222
 #define  MLTR_WM1_SHIFT                0