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From 0420615a56459fd812748ee971ebc1004728084f Mon Sep 17 00:00:00 2001
From: Evan Quan <evan.quan@amd.com>
Date: Mon, 16 Jul 2018 17:25:30 +0800
Subject: [PATCH 4995/5725] drm/amd/powerplay: allow slow switch only if
NBPState enabled v2
Otherwise there may be potential SMU performance issues.
v2: fix commit description and coding style
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/vega10_hwmgr.c | 3 ++-
drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c | 3 ++-
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
index 9e2281e..384d853 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
@@ -3800,7 +3800,8 @@ static int vega10_notify_smc_display_config_after_ps_adjustment(
struct pp_display_clock_request clock_req;
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)
vega10_notify_smc_display_change(hwmgr, false);
else
vega10_notify_smc_display_change(hwmgr, true);
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
index 35f96da..0789d64 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
@@ -1389,7 +1389,8 @@ static int vega12_notify_smc_display_config_after_ps_adjustment(
struct pp_display_clock_request clock_req;
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)
vega12_notify_smc_display_change(hwmgr, false);
else
vega12_notify_smc_display_change(hwmgr, true);
--
2.7.4
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