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| author | Emil Velikov <emil.velikov@collabora.com> | 2020-05-15 11:50:44 +0200 |
|---|---|---|
| committer | Emil Velikov <emil.l.velikov@gmail.com> | 2020-05-19 22:52:24 +0200 |
| commit | 5b4231fb62f05457ef5ff283796cfd2df28ea2a1 (patch) | |
| tree | a5259e739c43862d10241db22543573fc43bfb88 /Documentation/gpu/drm-mm.rst | |
| parent | drm/todo: mention i915 in the struct_mutex section (diff) | |
| download | linux-5b4231fb62f05457ef5ff283796cfd2df28ea2a1.tar.xz linux-5b4231fb62f05457ef5ff283796cfd2df28ea2a1.zip | |
drm/doc: drop struct_mutex references
There's little point in providing partial and ancient information about
the struct_mutex. Some drivers are using it, new ones should not.
As-it this only provides for confusion.
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20200515095118.2743122-5-emil.l.velikov@gmail.com
Diffstat (limited to 'Documentation/gpu/drm-mm.rst')
| -rw-r--r-- | Documentation/gpu/drm-mm.rst | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/Documentation/gpu/drm-mm.rst b/Documentation/gpu/drm-mm.rst index 1839762044be..5ba2ead8f317 100644 --- a/Documentation/gpu/drm-mm.rst +++ b/Documentation/gpu/drm-mm.rst @@ -178,11 +178,8 @@ GEM Objects Lifetime -------------------- All GEM objects are reference-counted by the GEM core. References can be -acquired and release by calling drm_gem_object_get() and drm_gem_object_put() -respectively. The caller must hold the :c:type:`struct drm_device <drm_device>` -struct_mutex lock when calling drm_gem_object_get(). As a convenience, GEM -provides drm_gem_object_put_unlocked() functions that can be called without -holding the lock. +acquired and release by calling drm_gem_object_get() and drm_gem_object_put_unlocked() +respectively. When the last reference to a GEM object is released the GEM core calls the :c:type:`struct drm_driver <drm_driver>` gem_free_object_unlocked |