From 55b852069d02e406fa493cc9366c523eb9b5d0a9 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 8 Aug 2019 00:48:58 -0500 Subject: [PATCH] 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 Signed-off-by: Alex Deucher --- 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 948c54cb9c5d..d08493b67b67 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c @@ -3220,7 +3220,8 @@ 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