Even better we can actualy avid most of the page table walks completely.
First there is a number of places that can never have the vmalloc case
an may use ioremap/iounmap directly. Secondly drm_core_ioremap/
drm_core_ioremapfree already have the right drm_map to check wich kind
of mapping we have - we just need to use it instead of discarding that
information! The only leaves direct drm_ioremapfree in i810_dma.c and
i830_dma.c which I don't quite manage to follow. Maybe Dave has an
idea how to get rid of those aswell.
I've applied two patches to the DRM git
http://gitweb.freedesktop.org/?p=mesa/drm.git;a=summary
They need a fair bit of testing, I've tested them no i810, but I need to
test them on a few other boards before I'd consider putting them in -mm..
Dave.
--
David Airlie, Software Engineer
http://www.skynet.ie/~airlied / airlied at skynet.ie
Linux kernel - DRI, VAX / pam_smb / ILUG
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