diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 0e8f14d04cd..a18e93687b8 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1956,16 +1956,11 @@ static int i915_forcewake_open(struct inode *inode, struct file *file) { struct drm_device *dev = inode->i_private; struct drm_i915_private *dev_priv = dev->dev_private; - int ret; if (INTEL_INFO(dev)->gen < 6) return 0; - ret = mutex_lock_interruptible(&dev->struct_mutex); - if (ret) - return ret; gen6_gt_force_wake_get(dev_priv); - mutex_unlock(&dev->struct_mutex); return 0; } @@ -1974,24 +1969,11 @@ static int i915_forcewake_release(struct inode *inode, struct file *file) { struct drm_device *dev = inode->i_private; struct drm_i915_private *dev_priv = dev->dev_private; - int ret; if (INTEL_INFO(dev)->gen < 6) return 0; - /* - * It's bad that we can potentially hang userspace if struct_mutex gets - * forever stuck. However, if we cannot acquire this lock it means that - * almost certainly the driver has hung, is not unload-able. Therefore - * hanging here is probably a minor inconvenience not to be seen my - * almost every user. - */ - ret = mutex_lock_interruptible(&dev->struct_mutex); - if (ret) - return ret; - gen6_gt_force_wake_put(dev_priv); - mutex_unlock(&dev->struct_mutex); return 0; } |