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From 7efa60daff4c74c98adb0e3789fe61d5d94802bc Mon Sep 17 00:00:00 2001
From: Evan Quan <evan.quan@amd.com>
Date: Fri, 20 Jul 2018 10:56:21 +0800
Subject: [PATCH 0091/2940] drm/amd/powerplay: allow slow switch only if
NBPState enabled
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>
---
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);
--
2.17.1
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