diff options
Diffstat (limited to 'drivers/gpu/drm/i810/i810_dma.c')
| -rw-r--r-- | drivers/gpu/drm/i810/i810_dma.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i810/i810_dma.c b/drivers/gpu/drm/i810/i810_dma.c index 7f4b4e10246..f920fb5e42b 100644 --- a/drivers/gpu/drm/i810/i810_dma.c +++ b/drivers/gpu/drm/i810/i810_dma.c @@ -99,7 +99,6 @@ static int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma) buf_priv = buf->dev_private; vma->vm_flags |= (VM_IO | VM_DONTCOPY); - vma->vm_file = filp; buf_priv->currently_mapped = I810_BUF_MAPPED; @@ -130,6 +129,7 @@ static int i810_map_buffer(struct drm_buf *buf, struct drm_file *file_priv) if (buf_priv->currently_mapped == I810_BUF_MAPPED) return -EINVAL; + /* This is all entirely broken */ down_write(¤t->mm->mmap_sem); old_fops = file_priv->filp->f_op; file_priv->filp->f_op = &i810_buffer_fops; @@ -158,11 +158,8 @@ static int i810_unmap_buffer(struct drm_buf *buf) if (buf_priv->currently_mapped != I810_BUF_MAPPED) return -EINVAL; - down_write(¤t->mm->mmap_sem); - retcode = do_munmap(current->mm, - (unsigned long)buf_priv->virtual, + retcode = vm_munmap((unsigned long)buf_priv->virtual, (size_t) buf->total); - up_write(¤t->mm->mmap_sem); buf_priv->currently_mapped = I810_BUF_UNMAPPED; buf_priv->virtual = NULL; @@ -1208,6 +1205,8 @@ int i810_driver_load(struct drm_device *dev, unsigned long flags) dev->types[8] = _DRM_STAT_SECONDARY; dev->types[9] = _DRM_STAT_DMA; + pci_set_master(dev->pdev); + return 0; } |