From f77d390c9779c496aa5b99ec832996fb76bb1d13 Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Mon, 2 Feb 2009 16:55:46 +1100 Subject: drm: Split drm_map and drm_local_map Once upon a time, the DRM made the distinction between the drm_map data structure exchanged with user space and the drm_local_map used in the kernel. For some reasons, while the BSD port still has that "feature", the linux part abused drm_map for kernel internal usage as the local map only existed as a typedef of the struct drm_map. This patch fixes it by declaring struct drm_local_map separately (though its content is currently identical to the userspace variant), and changing the kernel code to only use that, except when it's a user<->kernel interface (ie. ioctl). This allows subsequent changes to the in-kernel format I've also replaced the use of drm_local_map_t with struct drm_local_map in a couple of places. Mostly by accident but they are the same (the former is a typedef of the later) and I have some remote plans and half finished patch to completely kill the drm_local_map_t typedef so I left those bits in. Signed-off-by: Benjamin Herrenschmidt Acked-by: Eric Anholt Signed-off-by: Dave Airlie --- drivers/gpu/drm/drm_vm.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'drivers/gpu/drm/drm_vm.c') diff --git a/drivers/gpu/drm/drm_vm.c b/drivers/gpu/drm/drm_vm.c index 3ffae021d280..0d8bbd72ec55 100644 --- a/drivers/gpu/drm/drm_vm.c +++ b/drivers/gpu/drm/drm_vm.c @@ -91,7 +91,7 @@ static int drm_do_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { struct drm_file *priv = vma->vm_file->private_data; struct drm_device *dev = priv->minor->dev; - struct drm_map *map = NULL; + struct drm_local_map *map = NULL; struct drm_map_list *r_list; struct drm_hash_item *hash; @@ -176,7 +176,7 @@ static int drm_do_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) */ static int drm_do_vm_shm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { - struct drm_map *map = (struct drm_map *) vma->vm_private_data; + struct drm_local_map *map = vma->vm_private_data; unsigned long offset; unsigned long i; struct page *page; @@ -209,7 +209,7 @@ static void drm_vm_shm_close(struct vm_area_struct *vma) struct drm_file *priv = vma->vm_file->private_data; struct drm_device *dev = priv->minor->dev; struct drm_vma_entry *pt, *temp; - struct drm_map *map; + struct drm_local_map *map; struct drm_map_list *r_list; int found_maps = 0; @@ -322,7 +322,7 @@ static int drm_do_vm_dma_fault(struct vm_area_struct *vma, struct vm_fault *vmf) */ static int drm_do_vm_sg_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { - struct drm_map *map = (struct drm_map *) vma->vm_private_data; + struct drm_local_map *map = vma->vm_private_data; struct drm_file *priv = vma->vm_file->private_data; struct drm_device *dev = priv->minor->dev; struct drm_sg_mem *entry = dev->sg; @@ -512,7 +512,7 @@ static int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma) return 0; } -unsigned long drm_core_get_map_ofs(struct drm_map * map) +unsigned long drm_core_get_map_ofs(struct drm_local_map * map) { return map->offset; } @@ -547,7 +547,7 @@ int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma) { struct drm_file *priv = filp->private_data; struct drm_device *dev = priv->minor->dev; - struct drm_map *map = NULL; + struct drm_local_map *map = NULL; unsigned long offset = 0; struct drm_hash_item *hash; -- cgit v1.2.3