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drm/i915/tgl: Wa_1607030317, Wa_1607186500, Wa_1607297627
Disable semaphore idle messages and wait for event power downs. Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.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/20191015154449.10338-10-mika.kuoppala@linux.intel.com
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2 changed files with 9 additions and 0 deletions
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@ -1286,6 +1286,14 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
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wa_write_or(wal,
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GEN9_CTX_PREEMPT_REG,
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GEN12_DISABLE_POSH_BUSY_FF_DOP_CG);
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/* Wa_1607030317:tgl */
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/* Wa_1607186500:tgl */
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/* Wa_1607297627:tgl */
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wa_masked_en(wal,
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GEN6_RC_SLEEP_PSMI_CONTROL,
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GEN12_WAIT_FOR_EVENT_POWER_DOWN_DISABLE |
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GEN8_RC_SEMA_IDLE_MSG_DISABLE);
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}
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if (IS_GEN(i915, 11)) {
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@ -2885,6 +2885,7 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
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#define GEN6_RC_SLEEP_PSMI_CONTROL _MMIO(0x2050)
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#define GEN6_PSMI_SLEEP_MSG_DISABLE (1 << 0)
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#define GEN12_WAIT_FOR_EVENT_POWER_DOWN_DISABLE REG_BIT(7)
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#define GEN8_RC_SEMA_IDLE_MSG_DISABLE (1 << 12)
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#define GEN8_FF_DOP_CLOCK_GATE_DISABLE (1 << 10)
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