linux-kernel - Re: [PATCH 1/1] gpu: drm: gma500: Use vma_pages()

Open Source and information security mailing list archives

Date:   Tue, 11 Oct 2016 10:15:34 +0200
From:   Daniel Vetter <daniel@...ll.ch>
To:     Shyam Saini <mayhs11saini@...il.com>
Cc:     Patrik Jakobsson <patrik.r.jakobsson@...il.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>
Subject: Re: [PATCH 1/1] gpu: drm: gma500: Use vma_pages()

On Mon, Oct 10, 2016 at 07:22:47AM +0530, Shyam Saini wrote:
> On Mon, 2016-10-10 at 01:46 +0200, Patrik Jakobsson wrote:
> > On Mon, Oct 10, 2016 at 1:07 AM, Shyam Saini <mayhs11saini@...il.com>
> > wrote:
> > > 
> > > Replace explicit computation of vma page count by a call to
> > > vma_pages()
> > Hi, I already have this patch in the "queue" from:
> > Muhammad Falak R Wani <falakreyaz@...il.com>
> > 
> > Will include that one when I get around to sending out a PR.

Since the merge window is pretty much done I've applied this one here to
drm-misc to make sure it wont get lost.
-Daniel

> > 
> > Thanks
> > Patrik
> > 
> > > 
> > > 
> > > Signed-off-by: Shyam Saini <mayhs11saini@...il.com>
> > > ---
> > >  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 3a44e70..0fde850 100644
> > > --- a/drivers/gpu/drm/gma500/framebuffer.c
> > > +++ b/drivers/gpu/drm/gma500/framebuffer.c
> > > @@ -124,7 +124,7 @@ 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);
> > > --
> > > 2.7.4
> > > 
> 
> No issue.
> 
> Thanks
> _______________________________________________
> dri-devel mailing list
> dri-devel@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch

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