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Re: Upcoming Qt switch to OpenGL ES on arm64

On Sat, Nov 24, 2018 at 09:51:49PM +0100, Adam Borowski wrote:
> On Sat, Nov 24, 2018 at 06:06:16PM +0000, Ben Hutchings wrote:
> > On Sat, 2018-11-24 at 15:21 +0000, Simon McVittie wrote:
> > > Recent AMD GPUs use the "amdgpu" kernel driver and its accompanying Mesa
> > > user-space driver, which is an open source stack if you don't count the
> > > GPU firmware.

> > I installed an AMD RX550 based card last year.  It required updates to
> > the kernel, firmware, X driver, and Mesa, which are all available in
> > stretch-backports.
> Oooh, sounds like you have at least some clue here -- _and_ there are
> non-trivial things one should know.  [...]
> Thus, are there any particular setups you'd recommend for someone running
> unstable and Linus' current kernels?

> 4 nVidia cards that brought me nothing but woe, I wish for something that
> actually works.  And it'd be so nice if instead of having to do the
> research, this here Ben guy told me "do this" so I can return to hacking on
> things that have nothing in common with graphics drivers. :)

Just so this doesn't sound like shoving all effort onto you: even if you
won't provide us with a ready answer on a golden platter, any research is so
much easier if we can start from some advice.  And it's so much better to be
aware of problems _before_ buying stuff.

And it sounds like problems there are.

Thus, knowing what can go bad would be nice for any reader of this list
who's about to look for a GPU.

Which was never a nice thing -- back in the days of Trident/SiS, today
with Mali on ARM or the usual culprits on x86...

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