Commit ae46533b authored by Evan Quan's avatar Evan Quan Committed by Alex Deucher
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drm/amd/powerplay: clear VBIOS scratchs on baco exit V2 



This is needed for coming asic init on performing gpu reset.

V2: use non-asic specific programing way

Signed-off-by: default avatarEvan Quan <evan.quan@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 418899d6

drivers/gpu/drm/amd/powerplay/smu_v11_0.c

+7 −0
Original line number Diff line number Diff line
@@ -1676,10 +1676,17 @@ int smu_v11_0_baco_set_state(struct smu_context *smu, enum smu_baco_state state) 
		}

	} else {

		ret = smu_send_smc_msg(smu, SMU_MSG_ExitBaco);

		if (ret)

			goto out;



		bif_doorbell_intr_cntl = REG_SET_FIELD(bif_doorbell_intr_cntl,

						BIF_DOORBELL_INT_CNTL,

						DOORBELL_INTERRUPT_DISABLE, 0);

		WREG32_SOC15(NBIO, 0, mmBIF_DOORBELL_INT_CNTL, bif_doorbell_intr_cntl);



		/* clear vbios scratch 6 and 7 for coming asic reinit */

		WREG32(adev->bios_scratch_reg_offset + 6, 0);

		WREG32(adev->bios_scratch_reg_offset + 7, 0);

	}

	if (ret)

		goto out;