On Tuesday 29 Dec 2015 02:02:52 waben...@gmail.com wrote: > Mick <michaelkintz...@gmail.com> wrote: > > On Monday 28 Dec 2015 21:05:56 john wrote: > > > Hmm, > > > thanks, I have now tried an old monitor and its screen > > > resolution was good (ie 1920x1080) so I think it's the monitor. > > > I have a R9 280 radeon card which is pretty new but the monitor is > > > very new (display port only, acer xb240h model) so I guess it's > > > something do do with that, perhaps EDID but not really sure. The > > > whole graphics stack is pretty bemusing and I would love to make > > > sense of it all. > > > > Have a look here for setting up your card: > > > > https://wiki.gentoo.org/wiki/Amdgpu > > > > > > and here for setting up the driver > > 'x11-drivers/xf86-video-displaylink' to get your DP going: > > > > https://wiki.gentoo.org/wiki/DisplayLink > > I don't think that this is necessary. The Acer XB240H doesn't have a > DisplayLink connector. It has a DisplyPort connector and for this you > don't need a special driver. > > IIRC you also don't need a special kernel option to use DisplayPort. > > -- > Regards > wabe
I beg your pardon! It was getting late and I got DisplayLink and DisplayPort mixed up. What Wabe says stands. -- Regards, Mick
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