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drm/i915/gt: Enable read back on XEHP_FF_MODE2

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Contrary to GEN12_FF_MODE2, platforms using XEHP_FF_MODE2 are not
affected by Wa_1608008084, hence read back can be enabled.

Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230630203509.1635216-6-lucas.demarchi@intel.com
This commit is contained in:
Lucas De Marchi 2023-06-30 13:35:07 -07:00
parent fc311f1194
commit 9a54a7c3f3
1 changed files with 2 additions and 5 deletions
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7
drivers/gpu/drm/i915/gt/intel_workarounds.c
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@ -683,11 +683,8 @@ static void dg2_ctx_gt_tuning_init(struct intel_engine_cs *engine,
wa_mcr_masked_en(wal, CHICKEN_RASTER_2, TBIMR_FAST_CLIP);
wa_mcr_write_clr_set(wal, XEHP_L3SQCREG5, L3_PWM_TIMER_INIT_VAL_MASK,
REG_FIELD_PREP(L3_PWM_TIMER_INIT_VAL_MASK, 0x7f));
wa_mcr_add(wal,
XEHP_FF_MODE2,
FF_MODE2_TDS_TIMER_MASK,
FF_MODE2_TDS_TIMER_128,
0, false);
wa_mcr_write_clr_set(wal, XEHP_FF_MODE2, FF_MODE2_TDS_TIMER_MASK,
FF_MODE2_TDS_TIMER_128);
}
static void gen12_ctx_workarounds_init(struct intel_engine_cs *engine,