Commit 4fb419b2 authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

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: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190708125325.16576-2-ville.syrjala@linux.intel.com


Reviewed-by: default avatarJuha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
parent 0d352a3a
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+9 −0
Original line number Diff line number Diff line
@@ -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);