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drm/i915/tgl: Wa_1606679103 

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 <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20191113231953.24853-1-radhakrishna.sripada@intel.com
This commit is contained in:
Radhakrishna Sripada 2019-11-13 15:19:53 -08:00 committed by Chris Wilson
parent 48715f7001
commit 5ba2bb587d
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/i915/gt/intel_workarounds.c
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@ -1315,6 +1315,14 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
GEN6_RC_SLEEP_PSMI_CONTROL,
GEN12_WAIT_FOR_EVENT_POWER_DOWN_DISABLE |
GEN8_RC_SEMA_IDLE_MSG_DISABLE);
/*
* Wa_1606679103:tgl
* (see also Wa_1606682166:icl)
*/
wa_write_or(wal,
GEN7_SARCHKMD,
GEN7_DISABLE_SAMPLER_PREFETCH);
}
if (IS_GEN(i915, 11)) {