Commit 99db8c59 authored by Mika Kuoppala's avatar Mika Kuoppala Committed by Chris Wilson
Browse files

drm/i915/tgl: Wa_1607030317, Wa_1607186500, Wa_1607297627 



Disable semaphore idle messages and wait for event
power downs.

Signed-off-by: default avatarMika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20191015154449.10338-10-mika.kuoppala@linux.intel.com
parent 79bfa607

drivers/gpu/drm/i915/gt/intel_workarounds.c

+8 −0
Original line number Diff line number Diff line
@@ -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)) {

drivers/gpu/drm/i915/i915_reg.h

+1 −0
Original line number Diff line number Diff line
@@ -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)

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