diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3560-drm-amdgpu-powerplay-vega10-enable-mclk-switching-if.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3560-drm-amdgpu-powerplay-vega10-enable-mclk-switching-if.patch | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3560-drm-amdgpu-powerplay-vega10-enable-mclk-switching-if.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3560-drm-amdgpu-powerplay-vega10-enable-mclk-switching-if.patch new file mode 100644 index 00000000..ee538d60 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3560-drm-amdgpu-powerplay-vega10-enable-mclk-switching-if.patch @@ -0,0 +1,32 @@ +From 81f7097613b3b13134f0c58bd41c5b49591cbed4 Mon Sep 17 00:00:00 2001 +From: Alex Deucher <alexander.deucher@amd.com> +Date: Thu, 8 Aug 2019 00:48:58 -0500 +Subject: [PATCH 3560/4256] drm/amdgpu/powerplay/vega10: enable mclk switching + if monitors are synced + +If DC has synced the displays, we can enable mclk switching to +save power. + +Reviewed-by: Evan Quan <evan.quan@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c +index 3ac4745708cf..ccceaba5914a 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c +@@ -3219,7 +3219,8 @@ static int vega10_apply_state_adjust_rules(struct pp_hwmgr *hwmgr, + if (hwmgr->display_config->num_display == 0) + disable_mclk_switching = false; + else +- disable_mclk_switching = (hwmgr->display_config->num_display > 1) || ++ disable_mclk_switching = ((1 < hwmgr->display_config->num_display) && ++ !hwmgr->display_config->multi_monitor_in_sync) || + disable_mclk_switching_for_frame_lock || + disable_mclk_switching_for_vr || + force_mclk_high; +-- +2.17.1 + |