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