drm/i915: We implement WaFbcAsynchFlipDisableFbcQueue on ilk and snb
v2: Put the comment a bit closer to the actual write (Paulo Zanoni)
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
[danvet: Fix space before tab.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index cae89fe..d212e42 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4453,6 +4453,7 @@
* The bit 7,8,9 of 0x42020.
*/
if (IS_IRONLAKE_M(dev)) {
+ /* WaFbcAsynchFlipDisableFbcQueue:ilk */
I915_WRITE(ILK_DISPLAY_CHICKEN1,
I915_READ(ILK_DISPLAY_CHICKEN1) |
ILK_FBCQ_DIS);
@@ -4589,6 +4590,8 @@
* The bit5 and bit7 of 0x42020
* The bit14 of 0x70180
* The bit14 of 0x71180
+ *
+ * WaFbcAsynchFlipDisableFbcQueue:snb
*/
I915_WRITE(ILK_DISPLAY_CHICKEN1,
I915_READ(ILK_DISPLAY_CHICKEN1) |