Re: [gentoo-user] radeon screen resolution

[Mick]

On Tuesday 29 Dec 2015 02:02:52 wabenbau@×××××.com wrote:
> Mick <michaelkintzios@×××××.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