[PATCH 32/38] drm/amd/powerplay: allow slow switch only if NBPState enabled

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From: Evan Quan <evan.quan@xxxxxxx>

Otherwise there may be potential SMU performance issues.

Signed-off-by: Evan Quan <evan.quan at amd.com>
Reviewed-by: Rex Zhu <Rex.Zhu at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
index c5bdb2b4b921..1170f233d9e2 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_hwmgr.c
@@ -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);
-- 
2.13.6



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