Date: Thu, 11 Oct 2018 10:18:25 +0100 From: Johannes Lundberg <johalun0@gmail.com> To: tech-lists@zyxst.net Cc: slw@zxy.spb.ru, x11-list freebsd <freebsd-x11@freebsd.org>, freebsd-current <freebsd-current@freebsd.org>, freebsd-hardware@freebsd.org Subject: Re: is 4k desktop possible on freebsd-12? Message-ID: <CAECmPwvvGRaRA19uJ7bJU=6SVG1bwGUCxZrTKQFrSiavc7gAeg@mail.gmail.com> In-Reply-To: <a93155cc-23f4-25ef-649b-407334c2c568@zyxst.net> References: <3ae8eee1-4752-122f-bcc6-661ed23d09e3@zyxst.net> <20181010124529.GA1809@zxy.spb.ru> <e7fda836-a04a-f5c3-237d-f487df1876e8@zyxst.net> <20181010142437.GX1794@zxy.spb.ru> <a93155cc-23f4-25ef-649b-407334c2c568@zyxst.net>
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On Thu, Oct 11, 2018 at 9:58 AM tech-lists <tech-lists@zyxst.net> wrote:
> On 10/10/2018 15:24, Slawa Olhovchenkov wrote:
> > You need check HDMI 2.0 available on video card and monitor.
> > For HDMI 1.4 you need check of support both card and monitor support
> 4K@24.
>
> Yes, the card, cable and monitor are all capable of 4k@30fps. The cable
> and monitor were tested by connecting a laptop running linux mint. This
> gave a 4k display @ 30fps. So for some reason, the card (AMD RX580)
> isn't sending 4k.
>
> Is there a resource explaining how/can anyone tell me how to make the
> card send 4k? The xorg section of the handbook unfortunately hasn't been
> much help.
>
>
Do you have anything configured in /etc/X11/xorg.conf? If so, remove the
file and let X auto configure.
Otherwise try switching DDX driver, modesetting or amdgpu
/etc/X11/xorg.conf:
Section "Device"
Driver "amdgpu"
EndSection
VS
Section "Device"
Driver "modesetting"
EndSection
thanks,
> --
> J.
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