Messages in this thread | | | From | Sandy Huang <> | Subject | Re: [PATCH] drm/rockchip: dma-mapping: Use vma_pages helper | Date | Mon, 27 Nov 2017 10:20:20 +0800 |
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Thanks, this update has merged to drm-misc-next months ago:
https://patchwork.freedesktop.org/patch/178255/
在 2017/11/22 23:24, Vasyl Gomonovych 写道: > Use vma_pages function on vma object instead of explicit computation. > ./drivers/gpu/drm/rockchip/rockchip_drm_gem.c:223:34-40: WARNING: Consider using vma_pages helper on vma > Generated by: scripts/coccinelle/api/vma_pages.cocci > > Signed-off-by: Vasyl Gomonovych <gomonovych@gmail.com> > --- > drivers/gpu/drm/rockchip/rockchip_drm_gem.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c > index 1869c8bb76c8..1d9655576b6e 100644 > --- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c > +++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c > @@ -220,7 +220,7 @@ static int rockchip_drm_gem_object_mmap_iommu(struct drm_gem_object *obj, > { > struct rockchip_gem_object *rk_obj = to_rockchip_obj(obj); > unsigned int i, count = obj->size >> PAGE_SHIFT; > - unsigned long user_count = (vma->vm_end - vma->vm_start) >> 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; >
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