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drm/i915/tgl: Make Wa_1606700617 permanent 

This workaround is to disable FF DOP Clock gating. The fix
in B0 was backed out due to timing reasons and decided to
be made permanent.

Bspec: 52890
Signed-off-by: Swathi Dhanavanthri <swathi.dhanavanthri@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200305181204.28856-1-swathi.dhanavanthri@intel.com
This commit is contained in:
Swathi Dhanavanthri 2020-03-05 10:12:04 -08:00 committed by José Roberto de Souza
parent 270810a732
commit b592322f50
1 changed files with 5 additions and 5 deletions
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10
drivers/gpu/drm/i915/gt/intel_workarounds.c
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@ -1342,11 +1342,6 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
struct drm_i915_private *i915 = engine->i915;
if (IS_TGL_REVID(i915, TGL_REVID_A0, TGL_REVID_A0)) {
/* Wa_1606700617:tgl */
wa_masked_en(wal,
GEN9_CS_DEBUG_MODE1,
FF_DOP_CLOCK_GATE_DISABLE);
/*
* Wa_1607138336:tgl
* Wa_1607063988:tgl
@ -1398,6 +1393,11 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
/* Wa_1409804808:tgl */
wa_masked_en(wal, GEN7_ROW_CHICKEN2,
GEN12_PUSH_CONST_DEREF_HOLD_DIS);
/* Wa_1606700617:tgl */
wa_masked_en(wal,
GEN9_CS_DEBUG_MODE1,
FF_DOP_CLOCK_GATE_DISABLE);
}
if (IS_GEN(i915, 11)) {