diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/5146-drm-amd-powerplay-allow-slow-switch-only-if-NBPState.patch')
-rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/5146-drm-amd-powerplay-allow-slow-switch-only-if-NBPState.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/5146-drm-amd-powerplay-allow-slow-switch-only-if-NBPState.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/5146-drm-amd-powerplay-allow-slow-switch-only-if-NBPState.patch new file mode 100644 index 00000000..09f23b42 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/5146-drm-amd-powerplay-allow-slow-switch-only-if-NBPState.patch @@ -0,0 +1,32 @@ +From 7fc868fa07ad1d1683f161cc7be09f9e0cc3083a 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 5146/5725] 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 c5bdb2b..1170f23 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); +-- +2.7.4 + |