What is the difference between these two drivers ?

Alex Deucher alexdeucher at gmail.com
Tue May 12 12:43:35 UTC 2020

On Tue, May 12, 2020 at 7:51 AM Sreyan Chakravarty <sreyan32 at gmail.com> wrote:
> On 5/12/20 1:06 PM, Michel Dänzer wrote:
> > -amdgpu only works with the amdgpu kernel driver, -ati only with the
> > radeon one. Trying to force the other driver in xorg.conf can only
> > result in Xorg failing to start up.
> A couple of questions :
> 1) What do you mean by the amdgpu kernel driver ? How is that different
> from the ati driver ?

There are two kernel drivers for radeon hardware, radeon (r1xx- Sea
Islands), and amdgpu (everything newer).  The Xorg drivers communicate
with the kernel driver to accelerate X operations and to set display

> 2) So you are saying that I should stick with the driver that I am using
> and not shift.

Yes, the driver you are using is fine.  The two drivers largely cover
different hardware.


> --
> Regards,
> Sreyan
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