Re: Monitor Problem

["Stephen P. Molnar" <s.molnar@sbcglobal.net>]

On 7/6/23 12:56, Dan Ritter wrote:
> Stephen P. Molnar wrote:
> > On 7/6/23 09:30, Dan Ritter wrote:
> > > Stephen P. Molnar wrote:
> > >
> > > A properly working Radeon driver suggests that the only issue is
> > > a problem getting the EDID mode information from the monitor.
> > >
> > > Options:
> > >
> > > - Force the mode
> > > - Swap from VGA to some other cable (HDMI, DVI) depending on
> > >     what the monitor has.
> > > - Write a custom modeline
> > >
> > > If you have an appropriate cable handy, that will be fastest and
> > > easiest.
> > >
> > > -dsr-
> > Thanks for the reply.
> >
> > I changed the cable and get the same results.
> To HDMI or DVI?
>
>   
> > However, I am rather hesitant to try this.
> >
> > Is there a possibility that I might destroy something?
> Not with a modern monitor, no. And anything with an HDMI input
> is modern.
>
> However, you skipped right by "force the mode".
>
> What's the output of
> xrandr
> with the current low-res setup?
>
> -dsr-
I wasn't sure how to "force the mode"

Here is

(base) comp@AbNormal:~$ xrandr
Screen 0: minimum 320 x 200, current 1024 x 768, maximum 8192 x 8192
HDMI-0 disconnected (normal left inverted right x axis y axis)
DVI-0 disconnected (normal left inverted right x axis y axis)
VGA-0 connected 1024x768+0+0 (normal left inverted right x axis y axis) 0mm x 0mm
   1024x768      60.00*
   800x600       60.32    56.25
   848x480       60.00
   640x480       59.94

also

  Kernel: 6.1.0-9-amd64 arch: x86_64 bits: 64 compiler: gcc v: 12.2.0
    parameters: BOOT_IMAGE=/boot/vmlinuz-6.1.0-9-amd64
    root=UUID=e9c597fe-afe5-48b1-bf3f-791c4781f0b8 ro quiet
  Desktop: Xfce v: 4.18.1 tk: Gtk v: 3.24.36 info: xfce4-panel wm: xfwm
    v: 4.18.0 vt: 7 dm: LightDM v: 1.26.0 Distro: Debian GNU/Linux 12 (bookworm)
Graphics:
  Device-1: AMD Cedar [Radeon HD 5000/6000/7350/8350 Series] vendor: VISIONTEK
    driver: radeon v: kernel alternate: amdgpu arch: TeraScale-2 code: Evergreen
    process: TSMC 32-40nm built: 2009-15 pcie: gen: 2 speed: 5 GT/s lanes: 16
    ports: active: VGA-1 empty: DVI-I-1,HDMI-A-1 bus-ID: 01:00.0
    chip-ID: 1002:68f9 class-ID: 0300 temp: 44.0 C
  Device-2: Microdia REDRAGON Live Camera driver: snd-usb-audio,uvcvideo
    type: USB rev: 2.0 speed: 480 Mb/s lanes: 1 mode: 2.0 bus-ID: 2-4:2
    chip-ID: 0c45:6536 class-ID: 0102 serial: <filter>
  Display: x11 server: X.Org v: 1.21.1.7 compositor: xfwm v: 4.18.0 driver:
    X: loaded: radeon unloaded: fbdev,modesetting,vesa dri: r600 gpu: radeon
    display-ID: :0.0 screens: 1
  Screen-1: 0 s-res: 1024x768 s-dpi: 96 s-size: 270x203mm (10.63x7.99")
    s-diag: 338mm (13.3")
  Monitor-1: VGA-1 mapped: VGA-0 res: 1024x768 hz: 60 size: N/A modes:
    max: 1024x768 min: 640x480
  API: OpenGL v: 4.5 Mesa 22.3.6 renderer: AMD CEDAR (DRM 2.50.0 /
    6.1.0-9-amd64 LLVM 15.0.6) direct-render: Yes
 
--
Stephen P. Molnar, Ph.D.
https://insilicochemistry.net
(614)312-7528 (c)
Skype:  smolnar1