Acked-by: Alex Deucher <alexander.deuc...@amd.com>
________________________________
From: amd-gfx <amd-gfx-boun...@lists.freedesktop.org> on behalf of Evan Quan
<evan.q...@amd.com>
Sent: Monday, July 23, 2018 2:37:46 AM
To: amd-gfx@lists.freedesktop.org
Cc: Quan, Evan; Zhu, Rex
Subject: [PATCH] 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
Change-Id: I05a09bb05407f7b3705d79a1d2c6628385c80461
Signed-off-by: Evan Quan <evan.q...@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 002ed77a5268..a05de8e39d6a 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
@@ -3781,7 +3781,8 @@ 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 35f96dacb50a..0789d64246ca 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);
--
2.18.0
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