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authorVille Syrjälä <ville.syrjala@linux.intel.com>2019-07-08 15:53:07 +0300
committerVille Syrjälä <ville.syrjala@linux.intel.com>2019-09-19 21:37:59 +0300
commit4fb419b216245297312aeafcadf8b4e852a6cfe4 (patch)
tree3d5e0fde0c638fdc9e95372a9827cd223e882e96 /include/drm/drm_modeset_lock.h
parent0d352a3a8a1f26168d09f7073e61bb4b328e3bb9 (diff)
downloadlinux-4fb419b216245297312aeafcadf8b4e852a6cfe4.tar.xz
drm: Add drm_modeset_lock_assert_held()
Add a small wrapper around lockdep_assert_held() to make it a bit more conventinet to use with modeset locks. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190708125325.16576-2-ville.syrjala@linux.intel.com Reviewed-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Diffstat (limited to 'include/drm/drm_modeset_lock.h')
-rw-r--r--include/drm/drm_modeset_lock.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/drm/drm_modeset_lock.h b/include/drm/drm_modeset_lock.h
index 7b8841065b11..4fc9a43ac45a 100644
--- a/include/drm/drm_modeset_lock.h
+++ b/include/drm/drm_modeset_lock.h
@@ -114,6 +114,15 @@ static inline bool drm_modeset_is_locked(struct drm_modeset_lock *lock)
return ww_mutex_is_locked(&lock->mutex);
}
+/**
+ * drm_modeset_lock_assert_held - equivalent to lockdep_assert_held()
+ * @lock: lock to check
+ */
+static inline void drm_modeset_lock_assert_held(struct drm_modeset_lock *lock)
+{
+ lockdep_assert_held(&lock->mutex.base);
+}
+
int drm_modeset_lock(struct drm_modeset_lock *lock,
struct drm_modeset_acquire_ctx *ctx);
int __must_check drm_modeset_lock_single_interruptible(struct drm_modeset_lock *lock);