From: Alex Deucher Date: Thu, 8 Aug 2019 05:47:49 +0000 (-0500) Subject: drm/amdgpu/powerplay/smu7: enable mclk switching if monitors are synced X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=bb6897f1c57129c5ba696237826d0aace41f7a9b;p=linux.git drm/amdgpu/powerplay/smu7: 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 --- diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c index 3c1084de5d59f..34f95e0e3ea45 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c @@ -2956,9 +2956,10 @@ static int smu7_apply_state_adjust_rules(struct pp_hwmgr *hwmgr, if (hwmgr->display_config->num_display == 0) disable_mclk_switching = false; else - disable_mclk_switching = ((1 < hwmgr->display_config->num_display) || - disable_mclk_switching_for_frame_lock || - smu7_vblank_too_short(hwmgr, hwmgr->display_config->min_vblank_time)); + disable_mclk_switching = ((1 < hwmgr->display_config->num_display) && + !hwmgr->display_config->multi_monitor_in_sync) || + disable_mclk_switching_for_frame_lock || + smu7_vblank_too_short(hwmgr, hwmgr->display_config->min_vblank_time); sclk = smu7_ps->performance_levels[0].engine_clock; mclk = smu7_ps->performance_levels[0].memory_clock;