This sets the SMU into the proper state for various
operations (shutdown, unload, GPU reset, etc.).
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
.../drm/amd/powerplay/hwmgr/vega20_hwmgr.c | 29 +++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
index f27c6fbb192e..0516c294b377 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
@@ -3063,6 +3063,34 @@ static int vega20_odn_edit_dpm_table(struct pp_hwmgr *hwmgr,
return 0;
}
+static int vega20_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_SHUTDOWN:
+ msg = PPSMC_MSG_PrepareMp1ForShutdown;
+ break;
+ case PP_MP1_STATE_UNLOAD:
+ msg = PPSMC_MSG_PrepareMp1ForUnload;
+ break;
+ case PP_MP1_STATE_RESET:
+ msg = PPSMC_MSG_PrepareMp1ForReset;
+ break;
+ 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 vega20_get_ppfeature_status(struct pp_hwmgr *hwmgr, char *buf)
{
static const char *ppfeature_name[] = {
@@ -4123,6 +4151,7 @@ static const struct pp_hwmgr_func vega20_hwmgr_funcs = {
.get_asic_baco_capability = vega20_baco_get_capability,
.get_asic_baco_state = vega20_baco_get_state,
.set_asic_baco_state = vega20_baco_set_state,
+ .set_mp1_state = vega20_set_mp1_state,
};
int vega20_hwmgr_init(struct pp_hwmgr *hwmgr)
--
2.20.1
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