drm/amdgpu/powerplay: add set_mp1_state for vega10

This sets the SMU into the proper state for various
operations (shutdown, unload, GPU reset, etc.).

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

1 files changed, 25 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
index 3be8eb21fd6e..948c54cb9c5d 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
@@ -5219,6 +5219,30 @@ static int vega10_odn_edit_dpm_table(struct pp_hwmgr *hwmgr,
         return 0;
 }
 
+static int vega10_set_mp1_state(struct pp_hwmgr *hwmgr,
+                                enum pp_mp1_state mp1_state)
+{
+        uint16_t msg;
+        int ret;
+
+        switch (mp1_state) {
+        case PP_MP1_STATE_UNLOAD:
+                msg = PPSMC_MSG_PrepareMp1ForUnload;
+                break;
+        case PP_MP1_STATE_SHUTDOWN:
+        case PP_MP1_STATE_RESET:
+        case PP_MP1_STATE_NONE:
+        default:
+                return 0;
+        }
+
+        PP_ASSERT_WITH_CODE((ret = smum_send_msg_to_smc(hwmgr, msg)) == 0,
+                            "[PrepareMp1] Failed!",
+                            return ret);
+
+        return 0;
+}
+
 static int vega10_get_performance_level(struct pp_hwmgr *hwmgr, const struct pp_hw_power_state *state,
                                 PHM_PerformanceLevelDesignation designation, uint32_t index,
                                 PHM_PerformanceLevel *level)
@@ -5308,6 +5332,7 @@ static const struct pp_hwmgr_func vega10_hwmgr_funcs = {
         .enable_mgpu_fan_boost = vega10_enable_mgpu_fan_boost,
         .get_ppfeature_status = vega10_get_ppfeature_status,
         .set_ppfeature_status = vega10_set_ppfeature_status,
+        .set_mp1_state = vega10_set_mp1_state,
 };
 
 int vega10_hwmgr_init(struct pp_hwmgr *hwmgr)