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authorThomas Zimmermann <tzimmermann@suse.de>2021-11-08 11:28:46 +0100
committerThomas Zimmermann <tzimmermann@suse.de>2021-11-11 12:06:57 +0100
commit396d9b9a48723995416a05f0dab80c1dd6c21e80 (patch)
tree8af3681795a1f29f0afe0cde3f33c2218811e030 /include/drm
parent3153c6486008061297bfb0ec5cfd3aa4f8df66d9 (diff)
drm: Update documentation and TODO of gem_prime_mmap hook
The hook gem_prime_mmap in struct drm_driver is deprecated. Document the new requirements. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20211108102846.309-4-tzimmermann@suse.de
Diffstat (limited to 'include/drm')
-rw-r--r--include/drm/drm_drv.h11
1 files changed, 7 insertions, 4 deletions
diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
index 0cd95953cdf5..a84eb4028e5b 100644
--- a/include/drm/drm_drv.h
+++ b/include/drm/drm_drv.h
@@ -345,11 +345,14 @@ struct drm_driver {
* mmap hook for GEM drivers, used to implement dma-buf mmap in the
* PRIME helpers.
*
- * FIXME: There's way too much duplication going on here, and also moved
- * to &drm_gem_object_funcs.
+ * This hook only exists for historical reasons. Drivers must use
+ * drm_gem_prime_mmap() to implement it.
+ *
+ * FIXME: Convert all drivers to implement mmap in struct
+ * &drm_gem_object_funcs and inline drm_gem_prime_mmap() into
+ * its callers. This hook should be removed afterwards.
*/
- int (*gem_prime_mmap)(struct drm_gem_object *obj,
- struct vm_area_struct *vma);
+ int (*gem_prime_mmap)(struct drm_gem_object *obj, struct vm_area_struct *vma);
/**
* @dumb_create: