On Sun, Mar 15, 2026 at 09:12:52PM +0000, David wrote:
> On Sun, 15 Mar 2026 at 13:40, Haines Brown <[email protected]> wrote:
> > On Sun, Mar 15, 2026 at 07:23:31AM -0400, Dan Ritter wrote:
> > > Haines Brown wrote:
> 
> > > > The graphics card supports my desired resolution of 1920x1080, but it
> > > > is not accessible.

> Hi, I am not an expert in any of this, particularly the ridiculous rabbit
> hole of AMD marketing.

I had no idea this kind of information is available in Wikipedia. 

> So it seems that your card is not newer than GCN 1.2, because it is
> "succeeded" by (ie before) GCN1.
> 
> [3] says about Debian packages:
>   xserver-xorg-video-amdgpu package [...] will officially cover any cards
>   that are part of GCN 1.2 ("GCN 3rd generation") or newer.
> 
> This suggests that you do NOT need the xserver-xorg-video-amdgpu
> package.

Are you saying that the needed driver is provided by the 
xserver-xorg-video-amdgpu package and do I do not need to install 
it. Indeed, it was istalled automatically in my system.

> [3] says about Debian packages:
>   Support for GCN 1.1 and older chips is also provided by the
>   xserver-xorg-video-ati driver wrapper package, which depends on three
>   hardware-specific driver packages:
>     xserver-xorg-video-mach64
>     xserver-xorg-video-r128
>     xserver-xorg-video-radeon"
> 
> This suggests that you need the xserver-xorg-video-ati package installed.
> 
> Do you have that?

I do have both the xserver-xorg-video-amdgpu and 
xserver-xorg-video-ati packages installed.

> These commands give useful information:

$ apt list --installed 'xserver-xorg-video-*
Yes both are installed]

$ sudo dmesg | grep -iE 'amdgpu|drm|radeon'
[   52.384303] ACPI: bus type drm_connector registered
[   52.592481] [drm] radeon kernel modesetting enabled.
[   52.592548] [drm:radeon_pci_probe [radeon]] *ERROR* radeon kernel modesettin>
[   53.380213] [drm] amdgpu kernel modesetting enabled.
[   53.380256] amdgpu: CRAT table not found
[   53.380257] amdgpu: Virtual CRAT table created for CPU
[   53.380264] amdgpu: Topology: Add CPU node

Does this suggest that the radeon driver unable to the resolution 
but it was set by the amdgpu?

$ inxi -GxxSM -y1
$ inxi -GxxSM -y1
System:
  Host: Iskra
  Kernel: 6.1.0-44-amd64
    arch: x86_64
    bits: 64
    compiler: gcc
      v: 12.2.0
  Desktop: Fluxbox
    v: 1.3.5
    dm: startx
  Distro: Devuan GNU/Linux 5 (daedalus)

Machine:
  Type: Desktop
  Mobo: Gigabyte
    model: Z590 AORUS ELITE AX
      v: x.x
      serial: <superuser required>
  UEFI: American Megatrends LLC.
    v: F4
    date: 03/16/2021

Graphics:
  Device-1: AMD Cedar [Radeon HD 5000/6000/7350/8350 Series]
    vendor: Hightech Information System
    driver: N/A
    arch: TeraScale-2
    pcie:
      speed: 2.5 GT/s
      lanes: 4
    bus-ID: 06:00.0
    chip-ID: 1002:68f9
  Device-2: Sunplus Innovation USB Camera
    type: USB
    driver: snd-usb-audio,uvcvideo
    bus-ID: 1-10.1.4.4:36
    chip-ID: 1bcf:28c4
  Display:
    server: X.Org
      v: 1.21.1.7
    driver:
      X:
        loaded: vesa
        unloaded: fbdev,modesetting,radeon
      dri: swrast
      gpu: N/A
    display-ID: :0.0
    screens: 1
    Screen-1: 0
      s-res: 1024x768
      s-dpi: 96
      Monitor-1: default
        res: 1024x768
        size: N/A
  API: OpenGL
    v: 4.5 Mesa 22.3.6
    renderer: llvmpipe (LLVM 15.0.6 256 bits)
    direct-render: Yes

Does this say that the radeon driver is unloaded because the 
vesa driver already loaded? 

I find that the he VESA driver supports most graphics cards 
without acceleration and at display resolutions limited to a set 
programmed in the Video BIOS by the manufacturer.

What is Video BIOS? Part of my BIOS? Does this mean resolutions 
available are set in my BIOS? 

Does the statement resolution: 
2024x768 mean it is current or is the only available one?

-- 

  Haines Brown

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