Messages in this thread | | | Date | Mon, 11 Aug 2003 01:39:49 +0200 | From | Pavel Machek <> | Subject | Re: [PATCH] Use EDID/DDC data to set better refreshrates on VBE3.0+ videocards on boot |
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Hi!
> > The following patch requests EDID data from the monitor/graphics card, > check it against the vga= setting the user set and when it finds a match > sets the refresh rate to the EDID supplied mode (So should be safe, even > on broken biosses). This makes working in vesafb mode _allot_ better for > your eyes. If either no vesa 3.0 card or VBE/DC EDID data is available > it just sets the vesa graphic mode the old tried and tested way (60Hz ugh!). > > I have tested the patch on the following cards with different feature > support (All same type monitor though): > > - Geforce2 MX/MX 400: Working at 85hz > - Geforce 256 SDR: Working at 85Hz > - GeForce2 - nForce GPU: Not working, no EDID data available > - VMWare v4: Not working, not a VBE v3.00 card > > Not working, in this case, means that it just used normal 60hz vesa > mode. The graphic mode was otherwise working fine. > > What do you think? :)
This is really needed for vesafb to be usefull on non-LCD displays...
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