drm/udl: Remove struct udl_gem_object and functions

Simply removes all the obsolete GEM code from udl. No functional
changes.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191107094307.19870-5-tzimmermann@suse.de

1 files changed, 0 insertions, 206 deletions

diff --git a/drivers/gpu/drm/udl/udl_gem.c b/drivers/gpu/drm/udl/udl_gem.c
index 9762265edfcf..6eade6b4b0dc 100644
--- a/drivers/gpu/drm/udl/udl_gem.c
+++ b/drivers/gpu/drm/udl/udl_gem.c
@@ -120,209 +120,3 @@ struct drm_gem_object *udl_driver_gem_create_object(struct drm_device *dev,
 
 	return obj;
 }
-
-struct udl_gem_object *udl_gem_alloc_object(struct drm_device *dev,
-					    size_t size)
-{
-	struct drm_gem_object *obj;
-
-	obj = dev->driver->gem_create_object(dev, size);
-	if (obj == NULL)
-		return NULL;
-
-	if (drm_gem_object_init(dev, obj, size) != 0) {
-		kfree(obj);
-		return NULL;
-	}
-
-	return to_udl_bo(obj);
-}
-
-static int
-udl_gem_create(struct drm_file *file,
-	       struct drm_device *dev,
-	       uint64_t size,
-	       uint32_t *handle_p)
-{
-	struct udl_gem_object *obj;
-	int ret;
-	u32 handle;
-
-	size = roundup(size, PAGE_SIZE);
-
-	obj = udl_gem_alloc_object(dev, size);
-	if (obj == NULL)
-		return -ENOMEM;
-
-	ret = drm_gem_handle_create(file, &obj->base, &handle);
-	if (ret) {
-		drm_gem_object_release(&obj->base);
-		kfree(obj);
-		return ret;
-	}
-
-	drm_gem_object_put_unlocked(&obj->base);
-	*handle_p = handle;
-	return 0;
-}
-
-int udl_dumb_create(struct drm_file *file,
-		    struct drm_device *dev,
-		    struct drm_mode_create_dumb *args)
-{
-	args->pitch = args->width * DIV_ROUND_UP(args->bpp, 8);
-	args->size = args->pitch * args->height;
-	return udl_gem_create(file, dev,
-			      args->size, &args->handle);
-}
-
-int udl_drm_gem_mmap(struct file *filp, struct vm_area_struct *vma)
-{
-	struct drm_gem_object *obj;
-	int ret;
-
-	ret = drm_gem_mmap(filp, vma);
-	if (ret)
-		return ret;
-
-	obj = vma->vm_private_data;
-
-	vma->vm_flags &= ~VM_PFNMAP;
-	vma->vm_flags |= VM_MIXEDMAP;
-
-	vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
-	if (obj->import_attach)
-		vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
-
-	return ret;
-}
-
-vm_fault_t udl_gem_fault(struct vm_fault *vmf)
-{
-	struct vm_area_struct *vma = vmf->vma;
-	struct udl_gem_object *obj = to_udl_bo(vma->vm_private_data);
-	struct page *page;
-	unsigned int page_offset;
-
-	page_offset = (vmf->address - vma->vm_start) >> PAGE_SHIFT;
-
-	if (!obj->pages)
-		return VM_FAULT_SIGBUS;
-
-	page = obj->pages[page_offset];
-	return vmf_insert_page(vma, vmf->address, page);
-}
-
-int udl_gem_get_pages(struct udl_gem_object *obj)
-{
-	struct page **pages;
-
-	if (obj->pages)
-		return 0;
-
-	pages = drm_gem_get_pages(&obj->base);
-	if (IS_ERR(pages))
-		return PTR_ERR(pages);
-
-	obj->pages = pages;
-
-	return 0;
-}
-
-void udl_gem_put_pages(struct udl_gem_object *obj)
-{
-	if (obj->base.import_attach) {
-		kvfree(obj->pages);
-		obj->pages = NULL;
-		return;
-	}
-
-	drm_gem_put_pages(&obj->base, obj->pages, false, false);
-	obj->pages = NULL;
-}
-
-int udl_gem_vmap(struct udl_gem_object *obj)
-{
-	int page_count = obj->base.size / PAGE_SIZE;
-	int ret;
-
-	if (obj->base.import_attach) {
-		obj->vmapping = dma_buf_vmap(obj->base.import_attach->dmabuf);
-		if (!obj->vmapping)
-			return -ENOMEM;
-		return 0;
-	}
-
-	ret = udl_gem_get_pages(obj);
-	if (ret)
-		return ret;
-
-	obj->vmapping = vmap(obj->pages, page_count, 0, PAGE_KERNEL);
-	if (!obj->vmapping)
-		return -ENOMEM;
-	return 0;
-}
-
-void udl_gem_vunmap(struct udl_gem_object *obj)
-{
-	if (obj->base.import_attach) {
-		dma_buf_vunmap(obj->base.import_attach->dmabuf, obj->vmapping);
-		return;
-	}
-
-	vunmap(obj->vmapping);
-
-	udl_gem_put_pages(obj);
-}
-
-void udl_gem_free_object(struct drm_gem_object *gem_obj)
-{
-	struct udl_gem_object *obj = to_udl_bo(gem_obj);
-
-	if (obj->vmapping)
-		udl_gem_vunmap(obj);
-
-	if (gem_obj->import_attach) {
-		drm_prime_gem_destroy(gem_obj, obj->sg);
-		put_device(gem_obj->dev->dev);
-	}
-
-	if (obj->pages)
-		udl_gem_put_pages(obj);
-
-	drm_gem_free_mmap_offset(gem_obj);
-}
-
-/* the dumb interface doesn't work with the GEM straight MMAP
-   interface, it expects to do MMAP on the drm fd, like normal */
-int udl_gem_mmap(struct drm_file *file, struct drm_device *dev,
-		 uint32_t handle, uint64_t *offset)
-{
-	struct udl_gem_object *gobj;
-	struct drm_gem_object *obj;
-	struct udl_device *udl = to_udl(dev);
-	int ret = 0;
-
-	mutex_lock(&udl->gem_lock);
-	obj = drm_gem_object_lookup(file, handle);
-	if (obj == NULL) {
-		ret = -ENOENT;
-		goto unlock;
-	}
-	gobj = to_udl_bo(obj);
-
-	ret = udl_gem_get_pages(gobj);
-	if (ret)
-		goto out;
-	ret = drm_gem_create_mmap_offset(obj);
-	if (ret)
-		goto out;
-
-	*offset = drm_vma_node_offset_addr(&gobj->base.vma_node);
-
-out:
-	drm_gem_object_put_unlocked(&gobj->base);
-unlock:
-	mutex_unlock(&udl->gem_lock);
-	return ret;
-}