drm/amdgpu/powerplay: add set_mp1_state for vega12

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>

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
index efb6d3762feb319f3ed3b3a535f27123477a8940..7af9ad450ac4540d6ec7d4907e1306ebf456fd6b 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
@@ -2639,6 +2639,30 @@ static int vega12_get_performance_level(struct pp_hwmgr *hwmgr, const struct pp_
        return 0;
 }
 
+static int vega12_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 const struct pp_hwmgr_func vega12_hwmgr_funcs = {
        .backend_init = vega12_hwmgr_backend_init,
        .backend_fini = vega12_hwmgr_backend_fini,
@@ -2695,7 +2719,7 @@ static const struct pp_hwmgr_func vega12_hwmgr_funcs = {
        .set_asic_baco_state = vega12_baco_set_state,
        .get_ppfeature_status = vega12_get_ppfeature_status,
        .set_ppfeature_status = vega12_set_ppfeature_status,
-
+       .set_mp1_state = vega12_set_mp1_state,
 };
 
 int vega12_hwmgr_init(struct pp_hwmgr *hwmgr)