drm/amd/powerplay/vega10: 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: Eric Huang <JinhuiEric.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Alex Deucher 2018-02-13 14:25:11 -05:00
parent bfad2d08e5
commit 5825acf5c9

View File

@ -3168,10 +3168,13 @@ static int vega10_apply_state_adjust_rules(struct pp_hwmgr *hwmgr,
disable_mclk_switching_for_vr = PP_CAP(PHM_PlatformCaps_DisableMclkSwitchForVR);
force_mclk_high = PP_CAP(PHM_PlatformCaps_ForceMclkHigh);
disable_mclk_switching = (info.display_count > 1) ||
disable_mclk_switching_for_frame_lock ||
disable_mclk_switching_for_vr ||
force_mclk_high;
if (info.display_count == 0)
disable_mclk_switching = false;
else
disable_mclk_switching = (info.display_count > 1) ||
disable_mclk_switching_for_frame_lock ||
disable_mclk_switching_for_vr ||
force_mclk_high;
sclk = vega10_ps->performance_levels[0].gfx_clock;
mclk = vega10_ps->performance_levels[0].mem_clock;