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-rw-r--r--drivers/gpu/drm/i915/intel_lrc.c10
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.c7
2 files changed, 15 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index b7e16293b9a9..83ed0f7fcbe2 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1292,6 +1292,16 @@ static int gen9_init_perctx_bb(struct intel_engine_cs *ring,
struct drm_device *dev = ring->dev;
uint32_t index = wa_ctx_start(wa_ctx, *offset, CACHELINE_DWORDS);
+ /* WaSetDisablePixMaskCammingAndRhwoInCommonSliceChicken:skl,bxt */
+ if ((IS_SKYLAKE(dev) && (INTEL_REVID(dev) <= SKL_REVID_B0)) ||
+ (IS_BROXTON(dev) && (INTEL_REVID(dev) == BXT_REVID_A0))) {
+ wa_ctx_emit(batch, index, MI_LOAD_REGISTER_IMM(1));
+ wa_ctx_emit(batch, index, GEN9_SLICE_COMMON_ECO_CHICKEN0);
+ wa_ctx_emit(batch, index,
+ _MASKED_BIT_ENABLE(DISABLE_PIXEL_MASK_CAMMING));
+ wa_ctx_emit(batch, index, MI_NOOP);
+ }
+
/* WaDisableCtxRestoreArbitration:skl,bxt */
if ((IS_SKYLAKE(dev) && (INTEL_REVID(dev) <= SKL_REVID_D0)) ||
(IS_BROXTON(dev) && (INTEL_REVID(dev) == BXT_REVID_A0)))
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index bddc9032e17e..1c14233d179f 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -946,8 +946,11 @@ static int gen9_init_workarounds(struct intel_engine_cs *ring)
/* WaSetDisablePixMaskCammingAndRhwoInCommonSliceChicken:skl,bxt */
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);
+ /*
+ * WA also requires GEN9_SLICE_COMMON_ECO_CHICKEN0[14:14] to be set
+ * but we do that in per ctx batchbuffer as there is an issue
+ * with this register not getting restored on ctx restore
+ */
}
if ((IS_SKYLAKE(dev) && INTEL_REVID(dev) >= SKL_REVID_C0) ||
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