[PATCH 3/3] drm/amdgpu/powerplay/vega12: call PrepareMp1ForUnload in power_off_asic

[Grodzovsky, Andrey]

Series is Acked-by: Andrey Grodzovsky <andrey.grodzovsky at amd.com>

Andrey

On 7/23/19 1:00 PM, Alex Deucher wrote:
> Needed to make sure the smu is idle when resetting. This may fix
> sporatic failures with GPU reset.
>
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
> ---
>   drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c | 5 +++++
>   1 file changed, 5 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
> index efb6d3762feb..3d3504411b63 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
> @@ -2468,6 +2468,11 @@ static int vega12_power_off_asic(struct pp_hwmgr *hwmgr)
>   			);
>   	data->water_marks_bitmap &= ~(WaterMarksLoaded);
>   
> +	PP_ASSERT_WITH_CODE((result = smum_send_msg_to_smc(hwmgr,
> +			PPSMC_MSG_PrepareMp1ForUnload)) == 0,
> +			"[PrepareMp1ForUnload] Failed!",
> +			return result);
> +
>   	return result;
>   }
>