On Fri, Sep 08, 2023 at 05:37:27PM +0200, Thomas Zimmermann wrote: > > > Please note that the kernel's conversion code uses memory allocation > > > of intermediate buffers. We even recently had a discussion about > > > allocation overhead during display updates. Userspace can surely do > > > a better job at keeping such buffers around. > > > > > > And finally a note the hardware itself: on low-end hardware like > > > those Matrox chips, just switch to RGB16. That will be pretty and > > > fast enough for these chips' server systems. Anyone who cares about > > > fast and beautiful should buy a real graphics card. > > > > There are still sysadmin users that occasionally have to browse the web > > to find answer, or read their mail in a GUI client. It turns out that > > rgb16 is pretty ugly for today standard, and buying an external card > > would be a bit too much, and won't work for remote control. > > I'm sure sysadmins have a computer for work with a decent GPU and don't need > to browse the web on their server systems. If your expectation is that there's no capable display stack running on those systems, what user-space component would you expect to optimize the format/transfers like you previously hinted at exactly? Maxime
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