diff options
| author |   Alex Deucher <alexander.deucher@amd.com> | 2018-02-13 14:25:11 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-02-20 15:07:38 -0500 |
| commit | 5825acf5c958a6820b04e9811caeb2f5e572bcd8 (patch) | |
| tree | c0a3c9d1890919930e59ce7ed446552673b2972b /drivers/gpu | |
| parent | Merge branch 'linux-4.16' of git://github.com/skeggsb/linux into drm-fixes (diff) | |
| download | linux-dev-5825acf5c958a6820b04e9811caeb2f5e572bcd8.tar.xz linux-dev-5825acf5c958a6820b04e9811caeb2f5e572bcd8.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')
| -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 2d55dabc77d4..5f9c3efb532f 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c @@ -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; |