diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_ttm_glue.c')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_ttm_glue.c | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_glue.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_glue.c index e6d75e377dd8..ce288756531b 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_glue.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_glue.c @@ -25,22 +25,27 @@ * **************************************************************************/ -#include <drm/drmP.h> #include "vmwgfx_drv.h" int vmw_mmap(struct file *filp, struct vm_area_struct *vma) { - struct drm_file *file_priv; - struct vmw_private *dev_priv; + static const struct vm_operations_struct vmw_vm_ops = { + .pfn_mkwrite = vmw_bo_vm_mkwrite, + .page_mkwrite = vmw_bo_vm_mkwrite, + .fault = vmw_bo_vm_fault, + .open = ttm_bo_vm_open, + .close = ttm_bo_vm_close + }; + struct drm_file *file_priv = filp->private_data; + struct vmw_private *dev_priv = vmw_priv(file_priv->minor->dev); + int ret = ttm_bo_mmap(filp, vma, &dev_priv->bdev); - if (unlikely(vma->vm_pgoff < VMWGFX_FILE_PAGE_OFFSET)) { - DRM_ERROR("Illegal attempt to mmap old fifo space.\n"); - return -EINVAL; - } + if (ret) + return ret; - file_priv = filp->private_data; - dev_priv = vmw_priv(file_priv->minor->dev); - return ttm_bo_mmap(filp, vma, &dev_priv->bdev); + vma->vm_ops = &vmw_vm_ops; + + return 0; } /* struct vmw_validation_mem callback */ |