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authorDaniel Vetter <daniel.vetter@ffwll.ch>2012-03-25 19:47:30 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2012-03-27 13:19:45 +0200
commit6d5cd9cb1e32e4f4e4468704430b26bcb0bfb129 (patch)
tree8dbb4943c5bafc999421d395d8a1f656bbb35ca0 /include/drm
parentdbf7bff074d5fdc87c61b1b41d8e809109cf0bf8 (diff)
downloadop-kernel-dev-6d5cd9cb1e32e4f4e4468704430b26bcb0bfb129.zip
op-kernel-dev-6d5cd9cb1e32e4f4e4468704430b26bcb0bfb129.tar.gz
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.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 92f0981..d33597b 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,
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