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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-03-25 19:47:30 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-03-27 13:19:45 +0200 |
| commit | 6d5cd9cb1e32e4f4e4468704430b26bcb0bfb129 (patch) | |
| tree | 8dbb4943c5bafc999421d395d8a1f656bbb35ca0 /include/drm | |
| parent | dbf7bff074d5fdc87c61b1b41d8e809109cf0bf8 (diff) | |
| download | blackbird-op-linux-6d5cd9cb1e32e4f4e4468704430b26bcb0bfb129.tar.gz blackbird-op-linux-6d5cd9cb1e32e4f4e4468704430b26bcb0bfb129.zip | |
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>
Diffstat (limited to 'include/drm')
| -rw-r--r-- | include/drm/drmP.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/drm/drmP.h b/include/drm/drmP.h index 92f0981b5fb8..d33597bcc77c 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -1332,6 +1332,7 @@ extern int drm_remove_magic(struct drm_master *master, drm_magic_t magic); /* Cache management (drm_cache.c) */ void drm_clflush_pages(struct page *pages[], unsigned long num_pages); +void drm_clflush_virt_range(char *addr, unsigned long length); /* Locking IOCTL support (drm_lock.h) */ extern int drm_lock(struct drm_device *dev, void *data, |
