eanfrid wrote:By default, all working resolutions/syncs/color-depths combinations that your monitor is really able to support are detected on X start and then made available in the screen res list.
The actual capabilities of the monitor are more than often the limiting factor on modern GPU outputs. For example, almost any recent desktop GPU is able to display effortless a 2560x1536 full-color resolution on one screen. So, if any resolution is not available under X, maybe this is a driver problem (or bad driver choice), but IMO this is more probably a monitor capabilites concern than a driver concern.
Edit: however, such a tool would be useful for manual debugging, particularly when your GPU/driver enforces monitor "out-of-sync" settings on the output.
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