diff options
Diffstat (limited to 'drivers/gpu/drm/vgem/vgem_dma_buf.c')
-rw-r--r-- | drivers/gpu/drm/vgem/vgem_dma_buf.c | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/drivers/gpu/drm/vgem/vgem_dma_buf.c b/drivers/gpu/drm/vgem/vgem_dma_buf.c deleted file mode 100644 index 0254438ad1a6..000000000000 --- a/drivers/gpu/drm/vgem/vgem_dma_buf.c +++ /dev/null @@ -1,94 +0,0 @@ -/* - * Copyright © 2012 Intel Corporation - * Copyright © 2014 The Chromium OS Authors - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS - * IN THE SOFTWARE. - * - * Authors: - * Ben Widawsky <ben@bwidawsk.net> - * - */ - -#include <linux/dma-buf.h> -#include "vgem_drv.h" - -struct sg_table *vgem_gem_prime_get_sg_table(struct drm_gem_object *gobj) -{ - struct drm_vgem_gem_object *obj = to_vgem_bo(gobj); - BUG_ON(obj->pages == NULL); - - return drm_prime_pages_to_sg(obj->pages, obj->base.size / PAGE_SIZE); -} - -int vgem_gem_prime_pin(struct drm_gem_object *gobj) -{ - struct drm_vgem_gem_object *obj = to_vgem_bo(gobj); - return vgem_gem_get_pages(obj); -} - -void vgem_gem_prime_unpin(struct drm_gem_object *gobj) -{ - struct drm_vgem_gem_object *obj = to_vgem_bo(gobj); - vgem_gem_put_pages(obj); -} - -void *vgem_gem_prime_vmap(struct drm_gem_object *gobj) -{ - struct drm_vgem_gem_object *obj = to_vgem_bo(gobj); - BUG_ON(obj->pages == NULL); - - return vmap(obj->pages, obj->base.size / PAGE_SIZE, 0, PAGE_KERNEL); -} - -void vgem_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr) -{ - vunmap(vaddr); -} - -struct drm_gem_object *vgem_gem_prime_import(struct drm_device *dev, - struct dma_buf *dma_buf) -{ - struct drm_vgem_gem_object *obj = NULL; - int ret; - - obj = kzalloc(sizeof(*obj), GFP_KERNEL); - if (obj == NULL) { - ret = -ENOMEM; - goto fail; - } - - ret = drm_gem_object_init(dev, &obj->base, dma_buf->size); - if (ret) { - ret = -ENOMEM; - goto fail_free; - } - - get_dma_buf(dma_buf); - - obj->base.dma_buf = dma_buf; - obj->use_dma_buf = true; - - return &obj->base; - -fail_free: - kfree(obj); -fail: - return ERR_PTR(ret); -} |