Commit a9b3c001 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/amd/powerplay/smu7: allow mclk switching with no displays 



If there are no displays attached, there is no reason to disable
mclk switching.

Fixes mclks getting set to high when there are no displays attached.

Reviewed-by: default avatarEric Huang <JinhuiEric.Huang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
parent d6bca7e7

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

+7 −4
Original line number Diff line number Diff line
@@ -2904,6 +2904,9 @@ static int smu7_apply_state_adjust_rules(struct pp_hwmgr *hwmgr, 
				    PHM_PlatformCaps_DisableMclkSwitchingForFrameLock);





	if (info.display_count == 0)

		disable_mclk_switching = false;

	else

		disable_mclk_switching = ((1 < info.display_count) ||

					  disable_mclk_switching_for_frame_lock ||

					  smu7_vblank_too_short(hwmgr, mode_info.vblank_time_us) ||

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