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

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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@xxxxxxx>
---
 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;
 }
 
-- 
2.20.1

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