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authorEric Anholt <eric@anholt.net>2008-08-21 15:53:33 -0400
committerDave Airlie <airlied@linux.ie>2008-10-17 17:10:12 -0400
commitd1d8c925b71dd6753bf438f9e14a9e5c5183bcc6 (patch)
treeea0669efa2f70ba8559d644e21b0356b1cba2458 /drivers/gpu/drm
parent395e0ddc44005ced5e4fed9bfc2e4bdf63d37627 (diff)
Export kmap_atomic_pfn for DRM-GEM.
The driver would like to map IO space directly for copying data in when appropriate, to avoid CPU cache flushing for streaming writes. kmap_atomic_pfn lets us avoid IPIs associated with ioremap for this process. Signed-off-by: Eric Anholt <eric@anholt.net> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm')
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