[Bug 40221] NI / Cayman: Frequent pixmap corruption on >=3.0 kernels

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Aug 22 10:00:44 PDT 2011


--- Comment #15 from Michel Dänzer <michel at daenzer.net> 2011-08-22 10:00:43 PDT ---
(In reply to comment #14)
> No matter the kernel side, the X side of the Radeon driver always says "VRAM
> usage limit set to 219499K"; wouldn't that indicate that the X server doesn't
> attempt to use memory beyond that anyway?

No, it just means the X driver won't submit GPU command streams that could
require more than that amount of VRAM at a time. The kernel memory manager will
still use all the VRAM it can get.

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