1 files changed, 0 insertions, 330 deletions
diff --git a/drivers/gpu/drm/udl/udl_gem.c b/drivers/gpu/drm/udl/udl_gem.c
deleted file mode 100644
index ef034fa3e6f5..000000000000
--- a/drivers/gpu/drm/udl/udl_gem.c
+++ /dev/null
@@ -1,330 +0,0 @@
-/*
- * Copyright (C) 2012 Red Hat
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License v2. See the file COPYING in the main directory of this archive for
- * more details.
- */
-
-#include <drm/drmP.h>
-#include "udl_drv.h"
-#include <linux/shmem_fs.h>
-#include <linux/dma-buf.h>
-
-struct udl_gem_object *udl_gem_alloc_object(struct drm_device *dev,
-					    size_t size)
-{
-	struct udl_gem_object *obj;
-
-	obj = kzalloc(sizeof(*obj), GFP_KERNEL);
-	if (obj == NULL)
-		return NULL;
-
-	if (drm_gem_object_init(dev, &obj->base, size) != 0) {
-		kfree(obj);
-		return NULL;
-	}
-
-	return 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_unreference(&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 * ((args->bpp + 1) / 8);
-	args->size = args->pitch * args->height;
-	return udl_gem_create(file, dev,
-			      args->size, &args->handle);
-}
-
-int udl_dumb_destroy(struct drm_file *file, struct drm_device *dev,
-		     uint32_t handle)
-{
-	return drm_gem_handle_delete(file, handle);
-}
-
-int udl_drm_gem_mmap(struct file *filp, struct vm_area_struct *vma)
-{
-	int ret;
-
-	ret = drm_gem_mmap(filp, vma);
-	if (ret)
-		return ret;
-
-	vma->vm_flags &= ~VM_PFNMAP;
-	vma->vm_flags |= VM_MIXEDMAP;
-
-	return ret;
-}
-
-int udl_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
-{
-	struct udl_gem_object *obj = to_udl_bo(vma->vm_private_data);
-	struct page *page;
-	unsigned int page_offset;
-	int ret = 0;
-
-	page_offset = ((unsigned long)vmf->virtual_address - vma->vm_start) >>
-		PAGE_SHIFT;
-
-	if (!obj->pages)
-		return VM_FAULT_SIGBUS;
-
-	page = obj->pages[page_offset];
-	ret = vm_insert_page(vma, (unsigned long)vmf->virtual_address, page);
-	switch (ret) {
-	case -EAGAIN:
-		set_need_resched();
-	case 0:
-	case -ERESTARTSYS:
-		return VM_FAULT_NOPAGE;
-	case -ENOMEM:
-		return VM_FAULT_OOM;
-	default:
-		return VM_FAULT_SIGBUS;
-	}
-}
-
-int udl_gem_init_object(struct drm_gem_object *obj)
-{
-	BUG();
-
-	return 0;
-}
-
-static int udl_gem_get_pages(struct udl_gem_object *obj, gfp_t gfpmask)
-{
-	int page_count, i;
-	struct page *page;
-	struct inode *inode;
-	struct address_space *mapping;
-
-	if (obj->pages)
-		return 0;
-
-	page_count = obj->base.size / PAGE_SIZE;
-	BUG_ON(obj->pages != NULL);
-	obj->pages = drm_malloc_ab(page_count, sizeof(struct page *));
-	if (obj->pages == NULL)
-		return -ENOMEM;
-
-	inode = file_inode(obj->base.filp);
-	mapping = inode->i_mapping;
-	gfpmask |= mapping_gfp_mask(mapping);
-
-	for (i = 0; i < page_count; i++) {
-		page = shmem_read_mapping_page_gfp(mapping, i, gfpmask);
-		if (IS_ERR(page))
-			goto err_pages;
-		obj->pages[i] = page;
-	}
-
-	return 0;
-err_pages:
-	while (i--)
-		page_cache_release(obj->pages[i]);
-	drm_free_large(obj->pages);
-	obj->pages = NULL;
-	return PTR_ERR(page);
-}
-
-static void udl_gem_put_pages(struct udl_gem_object *obj)
-{
-	int page_count = obj->base.size / PAGE_SIZE;
-	int i;
-
-	if (obj->base.import_attach) {
-		drm_free_large(obj->pages);
-		obj->pages = NULL;
-		return;
-	}
-
-	for (i = 0; i < page_count; i++)
-		page_cache_release(obj->pages[i]);
-
-	drm_free_large(obj->pages);
-	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, GFP_KERNEL);
-	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;
-	}
-
-	if (obj->vmapping)
-		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);
-
-	if (obj->pages)
-		udl_gem_put_pages(obj);
-
-	if (gem_obj->map_list.map)
-		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;
-	int ret = 0;
-
-	mutex_lock(&dev->struct_mutex);
-	obj = drm_gem_object_lookup(dev, file, handle);
-	if (obj == NULL) {
-		ret = -ENOENT;
-		goto unlock;
-	}
-	gobj = to_udl_bo(obj);
-
-	ret = udl_gem_get_pages(gobj, GFP_KERNEL);
-	if (ret)
-		goto out;
-	if (!gobj->base.map_list.map) {
-		ret = drm_gem_create_mmap_offset(obj);
-		if (ret)
-			goto out;
-	}
-
-	*offset = (u64)gobj->base.map_list.hash.key << PAGE_SHIFT;
-
-out:
-	drm_gem_object_unreference(&gobj->base);
-unlock:
-	mutex_unlock(&dev->struct_mutex);
-	return ret;
-}
-
-static int udl_prime_create(struct drm_device *dev,
-			    size_t size,
-			    struct sg_table *sg,
-			    struct udl_gem_object **obj_p)
-{
-	struct udl_gem_object *obj;
-	int npages;
-
-	npages = size / PAGE_SIZE;
-
-	*obj_p = NULL;
-	obj = udl_gem_alloc_object(dev, npages * PAGE_SIZE);
-	if (!obj)
-		return -ENOMEM;
-
-	obj->sg = sg;
-	obj->pages = drm_malloc_ab(npages, sizeof(struct page *));
-	if (obj->pages == NULL) {
-		DRM_ERROR("obj pages is NULL %d\n", npages);
-		return -ENOMEM;
-	}
-
-	drm_prime_sg_to_page_addr_arrays(sg, obj->pages, NULL, npages);
-
-	*obj_p = obj;
-	return 0;
-}
-
-struct drm_gem_object *udl_gem_prime_import(struct drm_device *dev,
-				struct dma_buf *dma_buf)
-{
-	struct dma_buf_attachment *attach;
-	struct sg_table *sg;
-	struct udl_gem_object *uobj;
-	int ret;
-
-	/* need to attach */
-	attach = dma_buf_attach(dma_buf, dev->dev);
-	if (IS_ERR(attach))
-		return ERR_CAST(attach);
-
-	get_dma_buf(dma_buf);
-
-	sg = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL);
-	if (IS_ERR(sg)) {
-		ret = PTR_ERR(sg);
-		goto fail_detach;
-	}
-
-	ret = udl_prime_create(dev, dma_buf->size, sg, &uobj);
-	if (ret) {
-		goto fail_unmap;
-	}
-
-	uobj->base.import_attach = attach;
-
-	return &uobj->base;
-
-fail_unmap:
-	dma_buf_unmap_attachment(attach, sg, DMA_BIDIRECTIONAL);
-fail_detach:
-	dma_buf_detach(dma_buf, attach);
-	dma_buf_put(dma_buf);
-
-	return ERR_PTR(ret);
-}