From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Sun, 25 Mar 2012 17:47:30 +0000 (+0200)
Subject: drm: add helper to clflush a virtual address range
X-Git-Tag: v3.5-rc1~83^2~140^2~67
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6d5cd9cb1e32e4f4e4468704430b26bcb0bfb129;p=pandora-kernel.git

drm: add helper to clflush a virtual address range

Useful when the page is already mapped to copy date in/out.

For -stable because the next patch (fixing phys obj pwrite) needs this
little helper function.

Tested-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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