[Mesa-dev] AMD WX7100 screen display problem on AArch64 architecture server.

[Vedran Miletić]

On 12/13/2017 07:46 AM, Lvzhihong (ReJohn) wrote:
> Hi,
> 
>        We met a problem on ubuntu17.10 for arm server with amdgpu(AMD
> RADEON PRO WX7100),  we use open source driver which are integrated in
> ubuntu17.10. And the architecture is AArch64-linux-gnu.
> 
>          we install :
> 
>              apt-get install xserver-xorg xinit xfce4 and mesa-utils glmark2
> 
>          we start x server :
> 
>               startx
> 
>          and then the monitor shows the screen and the screen is
> blurred( something wrong).
> 
>          And I have tried some opengl applications, the output has same
> problem.(something is missing or  in the wrong place.)
> 
>  
> 
>          But in a x86_64 architecture server, with same OS. The screen
> output is normal. (I check xorg\DDX\mesa\libdrm etc.all the versions are
> the same with aarch64 server.)
> 
> What I have done:
> 
>          1、I upgrade kernel to 4.15-rc2 ,upgrade DRM to 3.23,upgrade
> DDX to 1.40,upgrade mesa to 17.2.6, but the problem still exist.
> 
>          2、I enable ‘shadowprimary’ option,*the screen output became
> normal*, but the*performance drop quickly*——glxgears drop from 4800fps
> to 600fps, glmark drop from 4300 score to 730 score.
> 
>         
> 
>          I doubt there are something different in aarch64 and x86_64 but
> I don’t know.
> 
>          Any Advice or trial  suggestion are welcome.
> 
>          Thanks.
> 
>  
> 
> Rejohn.
> 
>  
> 
>  
> 
> 
> 
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> mesa-dev at lists.freedesktop.org
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> 

Hi Lvzhihong,

we usually track problems like these in Bugzilla so they do not get
forgotten. I made a report for you, please CC yourself there and any
details you can think of:
https://bugs.freedesktop.org/show_bug.cgi?id=104266

Regards,
Vedran

-- 
Vedran Miletić
vedran.miletic.net