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-rw-r--r--drivers/gpu/drm/rockchip/rockchip_drm_gem.c17
1 files changed, 2 insertions, 15 deletions
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
index a8db758d523e..a2ebb08990e9 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c
@@ -221,26 +221,13 @@ 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,