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    SubjectRe: specific optimizations for unaccelerated framebuffers

    > I am not speaking of DMA'ing at the refresh frequency (approx 70 times
    > per second the complete video memory), just the modified 64Kb blocks,
    > "once upon a while": if a single pixel is written twice, you will just
    > see the latter written value on the screen - but who cares.
    > Been able to DMA the complete video memory image around 5-10 times/second
    > should be over the human eye sensitivity.
    > Moreover this pixel will stay on the processor memory cache a lot
    > longer, even without MTRR processors.

    Yep, that should work. Same trick as xterm uses.
    [Of course, user *will* see you are only updating at 5fps... But it will
    be way beter than current slowness.] Are you going to create a patch?
    Philips Velo 1: 1"x4"x8", 300gram, 60, 12MB, 40bogomips, linux, mutt,
    details at

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