Cross Reference: /src/sys/external/bsd/drm2/drm/drm

Lines Matching defs:lock_data
255 drm_legacy_idlelock_take(struct drm_lock_data *lock_data)
258 	spin_lock(&lock_data->spinlock);
259 	KASSERT(!lock_data->idle_has_lock);
260 	KASSERT(lock_data->kernel_waiters < UINT32_MAX);
261 	lock_data->kernel_waiters++;
263 	if (drm_lock_acquire(lock_data, DRM_KERNEL_CONTEXT)) {
264 		lock_data->idle_has_lock = 1;
272 	spin_unlock(&lock_data->spinlock);
279 drm_legacy_idlelock_release(struct drm_lock_data *lock_data)
282 	spin_lock(&lock_data->spinlock);
283 	KASSERT(0 < lock_data->kernel_waiters);
284 	if (--lock_data->kernel_waiters == 0) {
285 		if (lock_data->idle_has_lock) {
287 			drm_lock_release(lock_data, DRM_KERNEL_CONTEXT);
290 	spin_unlock(&lock_data->spinlock);
301 	struct drm_lock_data *const lock_data = &file->master->lock;
307 	spin_lock(&lock_data->spinlock);
310 	if (lock_data->hw_lock == NULL)
314 	if (!_DRM_LOCK_IS_HELD(lock_data->hw_lock->lock))
324 	if (file == lock_data->file_priv)
325 		drm_lock_release(lock_data,
328 out:	spin_unlock(&lock_data->spinlock);
343 drm_lock_acquire(struct drm_lock_data *lock_data, int context)
345         volatile unsigned int *const lock = &lock_data->hw_lock->lock;
348 	KASSERT(spin_is_locked(&lock_data->spinlock));
354 			if ((0 < lock_data->user_waiters) ||
355 			    (0 < lock_data->kernel_waiters))
376 drm_lock_release(struct drm_lock_data *lock_data, int context)
380 	KASSERT(spin_is_locked(&lock_data->spinlock));
381 	KASSERT(_DRM_LOCK_IS_HELD(lock_data->hw_lock->lock));
382 	KASSERT(_DRM_LOCKING_CONTEXT(lock_data->hw_lock->lock) == context);
384 	lock_data->hw_lock->lock = 0;
385 	DRM_SPIN_WAKEUP_ONE(&lock_data->lock_queue, &lock_data->spinlock);
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