[PATCH] drm/amd/powerplay: unload mp1 for Arcturus RAS baco reset

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This sequence is recommended by PMFW team for the baco reset
with PMFW reloaded. And it seems able to address the random
failure seen on Arcturus.

Change-Id: Ic5a83ad46466a12533e9f704ad06348852156e78
Signed-off-by: Evan Quan <evan.quan@xxxxxxx>
---
 drivers/gpu/drm/amd/powerplay/smu_v11_0.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index 4fd77c7cfc80..914c944d901a 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -1719,6 +1719,12 @@ int smu_v11_0_baco_set_state(struct smu_context *smu, enum smu_baco_state state)
 		if (ret)
 			goto out;
 
+		if (ras && ras->supported) {
+			ret = smu_send_smc_msg(smu, SMU_MSG_PrepareMp1ForUnload, NULL);
+			if (ret)
+				goto out;
+		}
+
 		bif_doorbell_intr_cntl = REG_SET_FIELD(bif_doorbell_intr_cntl,
 						BIF_DOORBELL_INT_CNTL,
 						DOORBELL_INTERRUPT_DISABLE, 0);
-- 
2.26.0

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