From f402e48f804260db5771c7ccf20c104cd5cd521c Mon Sep 17 00:00:00 2001
From: Thomas Meyer <thomas@m3y3r.de>
Date: Thu, 21 Sep 2017 00:29:36 +0200
Subject: [PATCH 83/86] drm/rockchip: Cocci spatch "vma_pages"
Git-commit: f2a44dd02329707514af16fe0904a78604a97c0b
Patch-mainline: v4.15-rc1
References: fate#323912
Use vma_pages function on vma object instead of explicit computation.
Found by coccinelle spatch "api/vma_pages.cocci"
Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1505946334393-988165015-7-diffsplit-thomas@m3y3r.de
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@suse.com>
---
drivers/gpu/drm/rockchip/rockchip_drm_gem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- 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_
{
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;