diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4995-drm-amd-powerplay-allow-slow-switch-only-if-NBPState.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/4995-drm-amd-powerplay-allow-slow-switch-only-if-NBPState.patch | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4995-drm-amd-powerplay-allow-slow-switch-only-if-NBPState.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4995-drm-amd-powerplay-allow-slow-switch-only-if-NBPState.patch new file mode 100644 index 00000000..7e700637 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4995-drm-amd-powerplay-allow-slow-switch-only-if-NBPState.patch @@ -0,0 +1,49 @@ +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 + |