diff options
Diffstat (limited to 'drivers/gpu/drm/drm_vm.c')
| -rw-r--r-- | drivers/gpu/drm/drm_vm.c | 41 |
1 files changed, 20 insertions, 21 deletions
diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c index fda67468e60..2c3fcbdfd8f 100644 --- a/drivers/gpu/drm/drm_vm.c +++ b/drivers/gpu/drm/drm_vm.c @@ -433,15 +433,7 @@ static void drm_vm_open(struct vm_area_struct *vma) mutex_unlock(&dev->struct_mutex); } -/** - * \c close method for all virtual memory types. - * - * \param vma virtual memory area. - * - * Search the \p vma private data entry in drm_device::vmalist, unlink it, and - * free it. - */ -static void drm_vm_close(struct vm_area_struct *vma) +void drm_vm_close_locked(struct vm_area_struct *vma) { struct drm_file *priv = vma->vm_file->private_data; struct drm_device *dev = priv->minor->dev; @@ -451,7 +443,6 @@ static void drm_vm_close(struct vm_area_struct *vma) vma->vm_start, vma->vm_end - vma->vm_start); atomic_dec(&dev->vma_count); - mutex_lock(&dev->struct_mutex); list_for_each_entry_safe(pt, temp, &dev->vmalist, head) { if (pt->vma == vma) { list_del(&pt->head); @@ -459,6 +450,23 @@ static void drm_vm_close(struct vm_area_struct *vma) break; } } +} + +/** + * \c close method for all virtual memory types. + * + * \param vma virtual memory area. + * + * Search the \p vma private data entry in drm_device::vmalist, unlink it, and + * free it. + */ +static void drm_vm_close(struct vm_area_struct *vma) +{ + struct drm_file *priv = vma->vm_file->private_data; + struct drm_device *dev = priv->minor->dev; + + mutex_lock(&dev->struct_mutex); + drm_vm_close_locked(vma); mutex_unlock(&dev->struct_mutex); } @@ -515,14 +523,7 @@ static int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma) return 0; } -resource_size_t drm_core_get_map_ofs(struct drm_local_map * map) -{ - return map->offset; -} - -EXPORT_SYMBOL(drm_core_get_map_ofs); - -resource_size_t drm_core_get_reg_ofs(struct drm_device *dev) +static resource_size_t drm_core_get_reg_ofs(struct drm_device *dev) { #ifdef __alpha__ return dev->hose->dense_mem_base - dev->hose->mem_space->start; @@ -531,8 +532,6 @@ resource_size_t drm_core_get_reg_ofs(struct drm_device *dev) #endif } -EXPORT_SYMBOL(drm_core_get_reg_ofs); - /** * mmap DMA memory. * @@ -619,7 +618,7 @@ int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma) #endif case _DRM_FRAME_BUFFER: case _DRM_REGISTERS: - offset = dev->driver->get_reg_ofs(dev); + offset = drm_core_get_reg_ofs(dev); vma->vm_flags |= VM_IO; /* not in core dump */ vma->vm_page_prot = drm_io_prot(map->type, vma); #if !defined(__arm__) |