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

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.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
Reviewed-by: John Clements <John.Clements@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index 541c932a60051bb9c00215ca22e7924892c1d355..655ba4fb05dcdf330e53c3548e54681a18a58208 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -1718,6 +1718,12 @@ 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;
+               }
+
                /* 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);