diff options
Diffstat (limited to 'drivers/gpu/drm/rockchip/rockchip_drm_gem.c')
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_drm_gem.c | 37 |
1 files changed, 8 insertions, 29 deletions
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c index a8db758d523e..7582d0e6a60a 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c @@ -1,25 +1,17 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd * Author:Mark Yao <[email protected]> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ +#include <linux/dma-buf.h> +#include <linux/iommu.h> + #include <drm/drm.h> -#include <drm/drmP.h> #include <drm/drm_gem.h> +#include <drm/drm_prime.h> #include <drm/drm_vma_manager.h> -#include <linux/dma-buf.h> -#include <linux/iommu.h> - #include "rockchip_drm_drv.h" #include "rockchip_drm_gem.h" @@ -221,26 +213,13 @@ static int rockchip_drm_gem_object_mmap_iommu(struct drm_gem_object *obj, struct vm_area_struct *vma) { struct rockchip_gem_object *rk_obj = to_rockchip_obj(obj); - unsigned int i, count = obj->size >> PAGE_SHIFT; + unsigned int count = obj->size >> PAGE_SHIFT; unsigned long user_count = vma_pages(vma); - unsigned long uaddr = vma->vm_start; - unsigned long offset = vma->vm_pgoff; - unsigned long end = user_count + offset; - int ret; if (user_count == 0) return -ENXIO; - if (end > count) - return -ENXIO; - - for (i = offset; i < end; i++) { - ret = vm_insert_page(vma, uaddr, rk_obj->pages[i]); - if (ret) - return ret; - uaddr += PAGE_SIZE; - } - return 0; + return vm_map_pages(vma, rk_obj->pages, count); } static int rockchip_drm_gem_object_mmap_dma(struct drm_gem_object *obj, @@ -315,7 +294,7 @@ static void rockchip_gem_release_object(struct rockchip_gem_object *rk_obj) kfree(rk_obj); } -struct rockchip_gem_object * +static struct rockchip_gem_object * rockchip_gem_alloc_object(struct drm_device *drm, unsigned int size) { struct rockchip_gem_object *rk_obj; |