Amdgpu and carrizo R6

[Alex Deucher]

On Wed, Jan 4, 2017 at 7:15 PM, Stuart Norman <cyrwyn at gmail.com> wrote:
> Here is a quote from an AMD tech support person from 9/29/16:
>
> The A10 8700P uses R6 graphics and currently APU graphics are not supported by
> the AMDGPU-PRO driver. At this time we cannot comment on when or if support
> will be added. I would recommend reverting to Xorg 1.17 and to use Crimson
> 15.12 Linux driver for fglrx support with the R6 graphics.
>
> Has the Xorg version of amdgpu been updated since then? I tried the latest
> version 1.1.2. Or is there a significant difference between the Xorg amdgpu and
> the AMD pro version?

The pro driver does not officially support APUs, but the open source
driver does.  The pro and open drivers share the same kernel driver so
the code is almost identical.

Alex

>
> On Tuesday, January 03, 2017 01:43:03 PM Alex Deucher wrote:
>> On Tue, Jan 3, 2017 at 1:28 PM, Stuart Norman <cyrwyn at gmail.com> wrote:
>> > I use pclinuxos. When X 1.18 was released the catalyst driver was removed
> and
>> > replaced by amdgpu which does not work with my chipset. AMD isn't
> supporting
>> > catalyst past X 1.17. The chipset is an integrated APU/GPU A10 8700p which
> is
>> > R6 Volcanic Islands Carrizo.  I can only make it work by using nomodeset
> in
>> > the kernel command line and without an Xorg.conf file. It's pretty lousy
>> > resolution of 800x600. The AMD site doesn't show any Linux support for
> Carrizo
>> > R6 graphics except for Windows. I saw a chart on X.org for amdgpu that
> shows
>> > support for carrizo. Will amdgpu soon support this chip?
>> >
>> > I assume the ati driver won't work. Should I try the vesa driver or is
> there
>> > another way to make fb offer a higher resolution?  Should vga=788 be
> removed
>> > from the kernel command line?
>>
>> All carrizo chips are supported with the amdgpu driver stack and have
>> been for a while.  If you are having an issue please file a bug
>> (https://bugs.freedesktop.org) and attach your xorg log and dmesg
>> output.
>>
>> Alex
>
> --
> This message has traveled almost the distance to the moon!
>
> Stuart Norman
> lsn at hughes.net
> Registered Linux user 239714
> Censorship is the ultimate obscenity.
>