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| author | Eric Anholt | 2008-08-21 21:53:33 +0200 |
|---|---|---|
| committer | Dave Airlie | 2008-10-17 23:10:12 +0200 |
| commit | d1d8c925b71dd6753bf438f9e14a9e5c5183bcc6 (patch) | |
| tree | ea0669efa2f70ba8559d644e21b0356b1cba2458 /drivers/gpu/drm/i915/i915_gem.c | |
| parent | Export shmem_file_setup for DRM-GEM (diff) | |
| download | kernel-qcow2-linux-d1d8c925b71dd6753bf438f9e14a9e5c5183bcc6.tar.gz kernel-qcow2-linux-d1d8c925b71dd6753bf438f9e14a9e5c5183bcc6.tar.xz kernel-qcow2-linux-d1d8c925b71dd6753bf438f9e14a9e5c5183bcc6.zip | |
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/i915/i915_gem.c')
0 files changed, 0 insertions, 0 deletions