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drm/i915/gen9: Add WaSetDisablePixMaskCammingAndRhwoInCommonSliceChicken 

In Indirect context w/a batch buffer,
+WaSetDisablePixMaskCammingAndRhwoInCommonSliceChicken

v2: SKL revision id was used for BXT, copy paste error found during
internal review (Bob Beckett).

v3: explain why part of the WA is in Per ctx batch (Mika)

Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Signed-off-by: Arun Siluvery <arun.siluvery@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Arun Siluvery 2015-07-14 15:01:30 +01:00 committed by Daniel Vetter
parent a4106a782d
commit 9b01435d28
2 changed files with 15 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/gpu/drm/i915/intel_lrc.c
View File

@ -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)))

7
drivers/gpu/drm/i915/intel_ringbuffer.c
View File

@ -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) ||