From: Ville Syrjälä Date: Mon, 8 Jul 2019 12:53:07 +0000 (+0300) Subject: drm: Add drm_modeset_lock_assert_held() X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=4fb419b216245297312aeafcadf8b4e852a6cfe4;p=android-x86%2Fkernel.git 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 Link: https://patchwork.freedesktop.org/patch/msgid/20190708125325.16576-2-ville.syrjala@linux.intel.com Reviewed-by: Juha-Pekka Heikkila --- 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);