drm/amd/powerplay: Partially revert changes and fix smu7_notify_smc_display()

This partially reverts 0b6b4cbf77c995a34a4ec3d705a636434dadc51a and fixes
the noise issues on Tonga.

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
index 8dbe914..4826b29 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -3825,14 +3825,11 @@ static int smu7_notify_link_speed_change_after_state_change(
 static int smu7_notify_smc_display(struct pp_hwmgr *hwmgr)
 {
        struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
-       int ret = 0;
 
-       if (hwmgr->feature_mask & PP_VBI_TIME_SUPPORT_MASK) {
+       if (hwmgr->feature_mask & PP_VBI_TIME_SUPPORT_MASK)
                smum_send_msg_to_smc_with_parameter(hwmgr,
                        (PPSMC_Msg)PPSMC_MSG_SetVBITimeout, data->frame_time_x2);
-               ret = (smum_send_msg_to_smc(hwmgr, (PPSMC_Msg)PPSMC_HasDisplay) == 0) ?  0 : -EINVAL;
-       }
-       return ret;
+       return (smum_send_msg_to_smc(hwmgr, (PPSMC_Msg)PPSMC_HasDisplay) == 0) ?  0 : -EINVAL;
 }
 
 static int smu7_set_power_state_tasks(struct pp_hwmgr *hwmgr, const void *input)