diff options
Diffstat (limited to 'linux-core')
| -rw-r--r-- | linux-core/drmP.h | 3 | ||||
| -rw-r--r-- | linux-core/drm_lock.c | 56 | ||||
| -rw-r--r-- | linux-core/i915_gem.c | 7 |
3 files changed, 2 insertions, 64 deletions
diff --git a/linux-core/drmP.h b/linux-core/drmP.h index 48ff4b87..02826c8d 100644 --- a/linux-core/drmP.h +++ b/linux-core/drmP.h @@ -1169,9 +1169,6 @@ extern int drm_lock_take(struct drm_lock_data *lock_data, unsigned int context); extern int drm_lock_free(struct drm_lock_data *lock_data, unsigned int context); extern void drm_idlelock_take(struct drm_lock_data *lock_data); extern void drm_idlelock_release(struct drm_lock_data *lock_data); -extern int drm_client_lock_take(struct drm_device *dev, - struct drm_file *file_priv); -extern void drm_client_lock_release(struct drm_device *dev); /* * These are exported to drivers so that they can implement fencing using diff --git a/linux-core/drm_lock.c b/linux-core/drm_lock.c index e6eae42b..e8496a25 100644 --- a/linux-core/drm_lock.c +++ b/linux-core/drm_lock.c @@ -375,62 +375,6 @@ void drm_idlelock_release(struct drm_lock_data *lock_data) } EXPORT_SYMBOL(drm_idlelock_release); -/** - * Takes the lock on behalf of the client if needed, using the kernel context. - * - * This allows us to hide the hardware lock when it's required for protection - * of data structures (such as command ringbuffer) shared with the X Server, and - * a way for us to transition to lockless for those requests when the X Server - * stops accessing the ringbuffer directly, without having to update the - * other userland clients. - */ -int drm_client_lock_take(struct drm_device *dev, struct drm_file *file_priv) -{ - int ret; - unsigned long irqflags; - - /* If the client has the lock, we're already done. */ - if (drm_i_have_hw_lock(dev, file_priv)) - return 0; - - mutex_unlock (&dev->struct_mutex); - /* Client doesn't hold the lock. Block taking the lock with the kernel - * context on behalf of the client, and return whether we were - * successful. - */ - spin_lock_irqsave(&dev->lock.spinlock, irqflags); - dev->lock.user_waiters++; - spin_unlock_irqrestore(&dev->lock.spinlock, irqflags); - ret = wait_event_interruptible(dev->lock.lock_queue, - drm_lock_take(&dev->lock, - DRM_KERNEL_CONTEXT)); - spin_lock_irqsave(&dev->lock.spinlock, irqflags); - dev->lock.user_waiters--; - if (ret != 0) { - spin_unlock_irqrestore(&dev->lock.spinlock, irqflags); - } else { - dev->lock.file_priv = file_priv; - dev->lock.lock_time = jiffies; - dev->lock.kernel_held = 1; - file_priv->lock_count++; - spin_unlock_irqrestore(&dev->lock.spinlock, irqflags); - } - mutex_lock (&dev->struct_mutex); - return ret; -} -EXPORT_SYMBOL(drm_client_lock_take); - -void drm_client_lock_release(struct drm_device *dev) -{ - if (dev->lock.kernel_held) { - dev->lock.kernel_held = 0; - dev->lock.file_priv = NULL; - drm_lock_free(&dev->lock, DRM_KERNEL_CONTEXT); - } -} -EXPORT_SYMBOL(drm_client_lock_release); - - int drm_i_have_hw_lock(struct drm_device *dev, struct drm_file *file_priv) { diff --git a/linux-core/i915_gem.c b/linux-core/i915_gem.c index d608cb03..030ecf1d 100644 --- a/linux-core/i915_gem.c +++ b/linux-core/i915_gem.c @@ -1930,14 +1930,11 @@ i915_gem_set_domain(struct drm_gem_object *obj, BUG_ON(!mutex_is_locked(&dev->struct_mutex)); - drm_client_lock_take(dev, file_priv); ret = i915_gem_object_set_domain(obj, read_domains, write_domain); - if (ret) { - drm_client_lock_release(dev); + if (ret) return ret; - } i915_gem_dev_set_domain(obj->dev); - drm_client_lock_release(dev); + return 0; } |