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  • Luc Verhaegen's avatar
    VGA driver cleanups preparing for the removal of non-programmable dotclock · a44c7ccb
    Luc Verhaegen authored 
        infrastructure.
- Stop using non-programmable dotclock infrastructure. This is worked
    around quite easily here, by limiting the clockRange to the two VGA
    standard clocks, with CLOCK_TOLERANCE. This happily removed the
    dependence on the nasty xf86GetClocks as well.
- Set the CS bits directly, don't rely on DisplayModePtr->ClockIndex.
- Add DisplayModePtr->Crtc* checking. Functional changes? None. 320x200 is
    still the only mode possible; banked memory constraints still aren't
    handled properly.
    a44c7ccb
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