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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-09-11 04:34:46 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-09-11 04:34:46 -0300
commit863981e96738983919de841ec669e157e6bdaeb0 (patch)
treed6d89a12e7eb8017837c057935a2271290907f76 /drivers/gpu/drm/drm_fops.c
parent8dec7c70575785729a6a9e6719a955e9c545bcab (diff)
Linux-libre 4.7.1-gnupck-4.7.1-gnu
Diffstat (limited to 'drivers/gpu/drm/drm_fops.c')
-rw-r--r--drivers/gpu/drm/drm_fops.c51
1 files changed, 25 insertions, 26 deletions
diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
index aeef58ed3..7af7f8bcb 100644
--- a/drivers/gpu/drm/drm_fops.c
+++ b/drivers/gpu/drm/drm_fops.c
@@ -297,9 +297,9 @@ static int drm_open_helper(struct file *filp, struct drm_minor *minor)
}
mutex_unlock(&dev->master_mutex);
- mutex_lock(&dev->struct_mutex);
+ mutex_lock(&dev->filelist_mutex);
list_add(&priv->lhead, &dev->filelist);
- mutex_unlock(&dev->struct_mutex);
+ mutex_unlock(&dev->filelist_mutex);
#ifdef __alpha__
/*
@@ -381,14 +381,26 @@ static void drm_events_release(struct drm_file *file_priv)
*/
static void drm_legacy_dev_reinit(struct drm_device *dev)
{
- if (drm_core_check_feature(dev, DRIVER_MODESET))
- return;
+ if (dev->irq_enabled)
+ drm_irq_uninstall(dev);
+
+ mutex_lock(&dev->struct_mutex);
+
+ drm_legacy_agp_clear(dev);
+
+ drm_legacy_sg_cleanup(dev);
+ drm_legacy_vma_flush(dev);
+ drm_legacy_dma_takedown(dev);
+
+ mutex_unlock(&dev->struct_mutex);
dev->sigdata.lock = NULL;
dev->context_flag = 0;
dev->last_context = 0;
dev->if_version = 0;
+
+ DRM_DEBUG("lastclose completed\n");
}
/*
@@ -400,7 +412,7 @@ static void drm_legacy_dev_reinit(struct drm_device *dev)
*
* \sa drm_device
*/
-int drm_lastclose(struct drm_device * dev)
+void drm_lastclose(struct drm_device * dev)
{
DRM_DEBUG("\n");
@@ -408,23 +420,8 @@ int drm_lastclose(struct drm_device * dev)
dev->driver->lastclose(dev);
DRM_DEBUG("driver lastclose completed\n");
- if (dev->irq_enabled && !drm_core_check_feature(dev, DRIVER_MODESET))
- drm_irq_uninstall(dev);
-
- mutex_lock(&dev->struct_mutex);
-
- drm_agp_clear(dev);
-
- drm_legacy_sg_cleanup(dev);
- drm_legacy_vma_flush(dev);
- drm_legacy_dma_takedown(dev);
-
- mutex_unlock(&dev->struct_mutex);
-
- drm_legacy_dev_reinit(dev);
-
- DRM_DEBUG("lastclose completed\n");
- return 0;
+ if (!drm_core_check_feature(dev, DRIVER_MODESET))
+ drm_legacy_dev_reinit(dev);
}
/**
@@ -445,14 +442,16 @@ int drm_release(struct inode *inode, struct file *filp)
struct drm_file *file_priv = filp->private_data;
struct drm_minor *minor = file_priv->minor;
struct drm_device *dev = minor->dev;
- int retcode = 0;
mutex_lock(&drm_global_mutex);
DRM_DEBUG("open_count = %d\n", dev->open_count);
- mutex_lock(&dev->struct_mutex);
+ mutex_lock(&dev->filelist_mutex);
list_del(&file_priv->lhead);
+ mutex_unlock(&dev->filelist_mutex);
+
+ mutex_lock(&dev->struct_mutex);
if (file_priv->magic)
idr_remove(&file_priv->master->magic_map, file_priv->magic);
mutex_unlock(&dev->struct_mutex);
@@ -538,7 +537,7 @@ int drm_release(struct inode *inode, struct file *filp)
*/
if (!--dev->open_count) {
- retcode = drm_lastclose(dev);
+ drm_lastclose(dev);
if (drm_device_is_unplugged(dev))
drm_put_dev(dev);
}
@@ -546,7 +545,7 @@ int drm_release(struct inode *inode, struct file *filp)
drm_minor_release(minor);
- return retcode;
+ return 0;
}
EXPORT_SYMBOL(drm_release);