diff options
| author | Alex Deucher | 2018-02-13 20:25:11 +0100 |
|---|---|---|
| committer | Alex Deucher | 2018-02-19 20:20:21 +0100 |
| commit | d6bca7e7146796002308988e913d493f0c67bec0 (patch) | |
| tree | 0dbcca8ec41ab1de3aa5ca128045c27d10d6d357 /drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c | |
| parent | drm/amd/powerplay: use PP_CAP macro for disable_mclk_switching_for_frame_lock (diff) | |
| download | kernel-qcow2-linux-d6bca7e7146796002308988e913d493f0c67bec0.tar.gz kernel-qcow2-linux-d6bca7e7146796002308988e913d493f0c67bec0.tar.xz kernel-qcow2-linux-d6bca7e7146796002308988e913d493f0c67bec0.zip | |
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
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c index 6a153ad1b942..1d442a498bf6 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c @@ -3171,10 +3171,13 @@ static int vega10_apply_state_adjust_rules(struct pp_hwmgr *hwmgr, 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; |