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Lines Matching refs:lock_data

52 static int drm_lock_take(struct drm_lock_data *lock_data, unsigned int context);
64 int drm_lock_take(struct drm_lock_data *lock_data,
68 	volatile unsigned int *lock = &lock_data->hw_lock->lock;
70 	spin_lock_bh(&lock_data->spinlock);
77 				((lock_data->user_waiters + lock_data->kernel_waiters > 1) ?
82 	spin_unlock_bh(&lock_data->spinlock);
113 static int drm_lock_transfer(struct drm_lock_data *lock_data,
117 	volatile unsigned int *lock = &lock_data->hw_lock->lock;
119 	lock_data->file_priv = NULL;
128 static int drm_legacy_lock_free(struct drm_lock_data *lock_data,
132 	volatile unsigned int *lock = &lock_data->hw_lock->lock;
134 	spin_lock_bh(&lock_data->spinlock);
135 	if (lock_data->kernel_waiters != 0) {
136 		drm_lock_transfer(lock_data, 0);
137 		lock_data->idle_has_lock = 1;
138 		spin_unlock_bh(&lock_data->spinlock);
141 	spin_unlock_bh(&lock_data->spinlock);
154 	wake_up_interruptible(&lock_data->lock_queue);
296 void drm_legacy_idlelock_take(struct drm_lock_data *lock_data)
300 	spin_lock_bh(&lock_data->spinlock);
301 	lock_data->kernel_waiters++;
302 	if (!lock_data->idle_has_lock) {
304 		spin_unlock_bh(&lock_data->spinlock);
305 		ret = drm_lock_take(lock_data, DRM_KERNEL_CONTEXT);
306 		spin_lock_bh(&lock_data->spinlock);
309 			lock_data->idle_has_lock = 1;
311 	spin_unlock_bh(&lock_data->spinlock);
315 void drm_legacy_idlelock_release(struct drm_lock_data *lock_data)
318 	volatile unsigned int *lock = &lock_data->hw_lock->lock;
320 	spin_lock_bh(&lock_data->spinlock);
321 	if (--lock_data->kernel_waiters == 0) {
322 		if (lock_data->idle_has_lock) {
327 			wake_up_interruptible(&lock_data->lock_queue);
328 			lock_data->idle_has_lock = 0;
331 	spin_unlock_bh(&lock_data->spinlock);