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drm/amd/powerplay: clear VBIOS scratchs on baco exit V2

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

V2: use non-asic specific programing way

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Evan Quan 2019-12-06 11:30:45 +08:00 committed by Alex Deucher
parent 418899d615
commit ae46533b17
1 changed files with 7 additions and 0 deletions
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7
drivers/gpu/drm/amd/powerplay/smu_v11_0.c
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@ -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;