linux-kernel - Re: [PATCH] drm/gma500: use vma

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Date:	Sun, 22 May 2016 01:29:25 +0200
From:	Patrik Jakobsson <patrik.r.jakobsson@...il.com>
To:	Muhammad Falak R Wani <falakreyaz@...il.com>
Cc:	David Airlie <airlied@...ux.ie>,
	dri-devel <dri-devel@...ts.freedesktop.org>,
	open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/gma500: use vma_pages().

On Sat, May 21, 2016 at 3:21 PM, Muhammad Falak R Wani
<falakreyaz@...il.com> wrote:
> Replace explicit computation of vma page count by a call to
> vma_pages()
>
> Signed-off-by: Muhammad Falak R Wani <falakreyaz@...il.com>

Thanks, queued for gma500-next

> ---
>  drivers/gpu/drm/gma500/framebuffer.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c
> index 7440bf9..5486e7e 100644
> --- a/drivers/gpu/drm/gma500/framebuffer.c
> +++ b/drivers/gpu/drm/gma500/framebuffer.c
> @@ -125,7 +125,7 @@ static int psbfb_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
>         unsigned long phys_addr = (unsigned long)dev_priv->stolen_base +
>                                   psbfb->gtt->offset;
>
> -       page_num = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
> +       page_num = vma_pages(vma);
>         address = (unsigned long)vmf->virtual_address - (vmf->pgoff << PAGE_SHIFT);
>
>         vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
> --
> 1.9.1
>