Extend disabling SAMPLER_STATE prefetch workaround to gen12.
v2: Limit the WA to TGL A0 and update the WA no(Chris)
BSpec: 52890
Cc: Chris Wilson
Cc: Mika Kuoppala
Signed-off-by: Radhakrishna Sripada
---
drivers/gpu/drm/i915/gt/intel_workarounds.c | 15 ++-
1 file changed, 10 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c
b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index e4bccc14602f..da27eb1cd7cd 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -1370,11 +1370,6 @@ rcs_engine_wa_init(struct intel_engine_cs *engine,
struct i915_wa_list *wal)
GEN7_SARCHKMD,
GEN7_DISABLE_DEMAND_PREFETCH);
- /* Wa_1606682166:icl */
- wa_write_or(wal,
- GEN7_SARCHKMD,
- GEN7_DISABLE_SAMPLER_PREFETCH);
-
/* Wa_1409178092:icl */
wa_write_masked_or(wal,
GEN11_SCRATCH2,
@@ -1382,6 +1377,16 @@ rcs_engine_wa_init(struct intel_engine_cs *engine,
struct i915_wa_list *wal)
0);
}
+ if (IS_TGL_REVID(i915, TGL_REVID_A0, TGL_REVID_A0) || IS_GEN(i915, 11))
{
+ /*
+* Wa_1606682166:icl
+* Wa_1606679103:tgl
+*/
+ wa_write_or(wal,
+ GEN7_SARCHKMD,
+ GEN7_DISABLE_SAMPLER_PREFETCH);
+ }
+
if (IS_GEN_RANGE(i915, 9, 11)) {
/*
FtrPerCtxtPreemptionGranularityControl:skl,bxt,kbl,cfl,cnl,icl */
wa_masked_en(wal,
--
2.20.1
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