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Commit bb6897f1 authored by Alex Deucher's avatar Alex Deucher
Browse files

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: default avatarEvan Quan <evan.quan@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 951e15c2

drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c

+4 −3
Original line number Diff line number Diff line
@@ -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 = ((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));

			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;