Lines Matching refs:lock_data
47 static int drm_lock_take(struct drm_lock_data *lock_data, unsigned int context);
59 int drm_lock_take(struct drm_lock_data *lock_data,
63 volatile unsigned int *lock = &lock_data->hw_lock->lock;
65 spin_lock_bh(&lock_data->spinlock);
72 ((lock_data->user_waiters + lock_data->kernel_waiters > 1) ?
77 spin_unlock_bh(&lock_data->spinlock);
108 static int drm_lock_transfer(struct drm_lock_data *lock_data,
112 volatile unsigned int *lock = &lock_data->hw_lock->lock;
114 lock_data->file_priv = NULL;
123 static int drm_legacy_lock_free(struct drm_lock_data *lock_data,
127 volatile unsigned int *lock = &lock_data->hw_lock->lock;
129 spin_lock_bh(&lock_data->spinlock);
130 if (lock_data->kernel_waiters != 0) {
131 drm_lock_transfer(lock_data, 0);
132 lock_data->idle_has_lock = 1;
133 spin_unlock_bh(&lock_data->spinlock);
136 spin_unlock_bh(&lock_data->spinlock);
149 wake_up_interruptible(&lock_data->lock_queue);
290 void drm_legacy_idlelock_take(struct drm_lock_data *lock_data)
294 spin_lock_bh(&lock_data->spinlock);
295 lock_data->kernel_waiters++;
296 if (!lock_data->idle_has_lock) {
298 spin_unlock_bh(&lock_data->spinlock);
299 ret = drm_lock_take(lock_data, DRM_KERNEL_CONTEXT);
300 spin_lock_bh(&lock_data->spinlock);
303 lock_data->idle_has_lock = 1;
305 spin_unlock_bh(&lock_data->spinlock);
309 void drm_legacy_idlelock_release(struct drm_lock_data *lock_data)
312 volatile unsigned int *lock = &lock_data->hw_lock->lock;
314 spin_lock_bh(&lock_data->spinlock);
315 if (--lock_data->kernel_waiters == 0) {
316 if (lock_data->idle_has_lock) {
321 wake_up_interruptible(&lock_data->lock_queue);
322 lock_data->idle_has_lock = 0;
325 spin_unlock_bh(&lock_data->spinlock);