diff options
Diffstat (limited to 'drivers/gpu/drm/drm_gem.c')
| -rw-r--r-- | drivers/gpu/drm/drm_gem.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index 396e60ce811..83114b5e3ce 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -35,6 +35,7 @@ #include <linux/mman.h> #include <linux/pagemap.h> #include <linux/shmem_fs.h> +#include <linux/dma-buf.h> #include "drmP.h" /** @file drm_gem.c @@ -140,7 +141,7 @@ int drm_gem_object_init(struct drm_device *dev, obj->dev = dev; obj->filp = shmem_file_setup("drm mm object", size, VM_NORESERVE); if (IS_ERR(obj->filp)) - return -ENOMEM; + return PTR_ERR(obj->filp); kref_init(&obj->refcount); atomic_set(&obj->handle_count, 0); @@ -232,6 +233,10 @@ drm_gem_handle_delete(struct drm_file *filp, u32 handle) idr_remove(&filp->object_idr, handle); spin_unlock(&filp->table_lock); + if (obj->import_attach) + drm_prime_remove_imported_buf_handle(&filp->prime, + obj->import_attach->dmabuf); + if (dev->driver->gem_close_object) dev->driver->gem_close_object(obj, filp); drm_gem_object_handle_unreference_unlocked(obj); @@ -527,6 +532,10 @@ drm_gem_object_release_handle(int id, void *ptr, void *data) struct drm_gem_object *obj = ptr; struct drm_device *dev = obj->dev; + if (obj->import_attach) + drm_prime_remove_imported_buf_handle(&file_priv->prime, + obj->import_attach->dmabuf); + if (dev->driver->gem_close_object) dev->driver->gem_close_object(obj, file_priv); @@ -661,6 +670,9 @@ int drm_gem_mmap(struct file *filp, struct vm_area_struct *vma) struct drm_hash_item *hash; int ret = 0; + if (drm_device_is_unplugged(dev)) + return -ENODEV; + mutex_lock(&dev->struct_mutex); if (drm_ht_find_item(&mm->offset_hash, vma->vm_pgoff, &hash)) { @@ -700,7 +712,6 @@ int drm_gem_mmap(struct file *filp, struct vm_area_struct *vma) */ drm_gem_object_reference(obj); - vma->vm_file = filp; /* Needed for drm_vm_open() */ drm_vm_open_locked(vma); out_unlock: |