[Mesa-dev] [PATCH] dri-r600: Hook up a drm_descriptor configuration function

[Mathias Fröhlich]

Hi,

the attached patch enables opengl client side throtteling for r600g that 
recently slipped in as an infrastructure but is just enabled for vmgfx so far.

The benefits of the client side throtteling are great, since a single render 
intensive application is no longer able to just saturate the kernels radeon 
command buffer. In the default dri configuration the X servers swap response 
also helps for this case, but if this type of throtteling is disabled, client 
side throtteling just throttles the right application.
... I had that kind of fence based implementation on my todo for some time now 
but never got to that. Thanks for providing this!

Please review the attached patch.

Thanks

Mathias
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