On Fri, Jan 11, 2019 at 8:35 PM Souptick Joarder <jrdr.linux@xxxxxxxxx> wrote: > > Convert to use vm_insert_range() to map range of kernel > memory to user vma. > > Signed-off-by: Souptick Joarder <jrdr.linux@xxxxxxxxx> Any comment on this patch ? > --- > drivers/gpu/drm/rockchip/rockchip_drm_gem.c | 17 ++--------------- > 1 file 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 a8db758..c9e207f 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_insert_range(vma, rk_obj->pages, count); > } > > static int rockchip_drm_gem_object_mmap_dma(struct drm_gem_object *obj, > -- > 1.9.1 > _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel