Re: [PATCH 0/1] MR2678: win32u: Partially implement NtUserDisplayConfigGetDeviceInfo(DISPLAYCONFIG_DEVICE_INFO_GET_TARGET_PREFERRED_MODE).

[Zhiyi Zhang (＠zhiyi)]

Zhiyi Zhang (@zhiyi) commented about dlls/win32u/sysparams.c:
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>        preferred_mode->height = monitor->rc_monitor.bottom - monitor->rc_monitor.top;
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> -
>        for (i = 0; i < monitor->adapter->mode_count; ++i)
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>        {
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>            DEVMODEW *mode = &monitor->adapter->modes[i];
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> -
>            if (mode->dmPelsWidth == preferred_mode->width && mode->dmPelsHeight == preferred_mode->height
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>                && mode->dmDisplayFrequency > display_frequency)
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>                display_frequency = mode->dmDisplayFrequency;
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>        }
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>        if (!display_frequency) display_frequency = 60;
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>        preferred_mode->targetMode.targetVideoSignalInfo.vSyncFreq.Numerator = display_frequency;
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>        preferred_mode->targetMode.targetVideoSignalInfo.vSyncFreq.Denominator = 1;
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>        preferred_mode->targetMode.targetVideoSignalInfo.activeSize.cx = preferred_mode->width;
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>        preferred_mode->targetMode.targetVideoSignalInfo.activeSize.cy = preferred_mode->height;
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>        preferred_mode->targetMode.targetVideoSignalInfo.totalSize = preferred_mode->targetMode.targetVideoSignalInfo.activeSize;

You should also fill in other fields in DISPLAYCONFIG_VIDEO_SIGNAL_INFO with reasonable values instead of zeros.