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drm/amd/powerplay: allow slow switch only if NBPState enabled

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Otherwise there may be potential SMU performance issues.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Evan Quan 2018-07-20 10:56:21 +08:00 • committed by Alex Deucher
commit 16ed0ff275
1 changed files with 2 additions and 1 deletions
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drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
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@ -1896,7 +1896,8 @@ static int vega20_notify_smc_display_config_after_ps_adjustment(
int ret = 0;
if ((hwmgr->display_config->num_display > 1) &&
!hwmgr->display_config->multi_monitor_in_sync)
!hwmgr->display_config->multi_monitor_in_sync &&
!hwmgr->display_config->nb_pstate_switch_disable)
vega20_notify_smc_display_change(hwmgr, false);
else
vega20_notify_smc_display_change(hwmgr, true);