On 09/02/2015 19:33, Damien Lespiau wrote:
Signed-off-by: Damien Lespiau <damien.lesp...@intel.com>
Reviewed-by: Nick Hoath <nicholas.ho...@intel.com>
---
drivers/gpu/drm/i915/i915_reg.h | 4 ++++
drivers/gpu/drm/i915/intel_ringbuffer.c | 8 ++++++++
2 files changed, 12 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 578fd90..cb66c8f 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -5237,12 +5237,16 @@ enum skl_disp_power_wells {
/* GEN7 chicken */
#define GEN7_COMMON_SLICE_CHICKEN1 0x7010
# define GEN7_CSC1_RHWO_OPT_DISABLE_IN_RCC ((1<<10) | (1<<26))
+# define GEN9_RHWO_OPTIMIZATION_DISABLE (1<<14)
#define COMMON_SLICE_CHICKEN2 0x7014
# define GEN8_CSC2_SBE_VUE_CACHE_CONSERVATIVE (1<<0)
#define HIZ_CHICKEN 0x7018
# define CHV_HZ_8X8_MODE_IN_1X (1<<15)
+#define GEN9_SLICE_COMMON_ECO_CHICKEN0 0x7308
+#define DISABLE_PIXEL_MASK_CAMMING (1<<14)
+
#define GEN7_L3SQCREG1 0xB010
#define VLV_B0_WA_L3SQCREG1_VALUE 0x00D30000
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c
b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 293d1b6..b15d596 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -897,6 +897,14 @@ static int gen9_init_workarounds(struct intel_engine_cs
*ring)
~GEN9_DG_MIRROR_FIX_ENABLE);
}
+ if (IS_SKYLAKE(dev) && INTEL_REVID(dev) <= SKL_REVID_B0) {
+ /* WaSetDisablePixMaskCammingAndRhwoInCommonSliceChicken:skl */
+ WA_SET_BIT_MASKED(GEN7_COMMON_SLICE_CHICKEN1,
+ GEN9_RHWO_OPTIMIZATION_DISABLE);
+ WA_SET_BIT_MASKED(GEN9_SLICE_COMMON_ECO_CHICKEN0,
+ DISABLE_PIXEL_MASK_CAMMING);
+ }
+
if (INTEL_REVID(dev) >= SKL_REVID_C0) {
/* WaEnableYV12BugFixInHalfSliceChicken7:skl */
WA_SET_BIT_MASKED(GEN9_HALF_SLICE_CHICKEN7,
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