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drm/i915/tgl: Wa_1607030317, Wa_1607186500, Wa_1607297627

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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
This commit is contained in:
Mika Kuoppala 2019-10-15 18:44:48 +03:00 committed by Chris Wilson
parent 79bfa607e6
commit 99db8c59e0
2 changed files with 9 additions and 0 deletions
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8
drivers/gpu/drm/i915/gt/intel_workarounds.c
View file

@ -1286,6 +1286,14 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal)
wa_write_or(wal,
GEN9_CTX_PREEMPT_REG,
GEN12_DISABLE_POSH_BUSY_FF_DOP_CG);
/* Wa_1607030317:tgl */
/* Wa_1607186500:tgl */
/* Wa_1607297627:tgl */
wa_masked_en(wal,
GEN6_RC_SLEEP_PSMI_CONTROL,
GEN12_WAIT_FOR_EVENT_POWER_DOWN_DISABLE |
GEN8_RC_SEMA_IDLE_MSG_DISABLE);
}
if (IS_GEN(i915, 11)) {

1
drivers/gpu/drm/i915/i915_reg.h
View file

@ -2885,6 +2885,7 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
#define GEN6_RC_SLEEP_PSMI_CONTROL _MMIO(0x2050)
#define GEN6_PSMI_SLEEP_MSG_DISABLE (1 << 0)
#define GEN12_WAIT_FOR_EVENT_POWER_DOWN_DISABLE REG_BIT(7)
#define GEN8_RC_SEMA_IDLE_MSG_DISABLE (1 << 12)
#define GEN8_FF_DOP_CLOCK_GATE_DISABLE (1 << 10)