[Bug 94708] Open source radeon drivers not working properly with Radeon HD 8550M

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94708

--- Comment #15 from Arthur Hrast Essenfelder <arthur.essenfelder at gmail.com> ---
(In reply to Alex Deucher from comment #13)
> gears is not a good test for PRIME systems.  It basically tests how fast the
> driver can swap buffers.  With PRIME the dGPU rendered buffers ends up
> getting copied several times before getting to the IGP.

Dear Alex, 
Thank you for your reply.
Could you please tell me a test I can run to verify this issue? 
I tried also glmark2 and glxspheres64, none of which showing better results. 
Also when gaming this behaviour is observable.
Cheers,
Arthur

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