[Bug 71260] SNA in zaphod mode (multiple screens) has rendering issues with Xnest

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=71260

--- Comment #40 from Chris Wilson <chris at chris-wilson.co.uk> ---
Ah, bo->tiling is the layout of the surface in GPU memory. The GPU prefers a
tiled allocation to improve TLB hitrate and spatial coherency. As such, we
allocate all surfaces as tiled when possible - especially the frontbuffer. So
in effect your patch just says not to use nxm tiling code.

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