2016-10-09 23:25:18

by Shyam Saini

[permalink] [raw]
Subject: [PATCH 1/1] gpu: drm: gma500: Use vma_pages()

Replace explicit computation of vma page count by a call to
vma_pages()

Signed-off-by: Shyam Saini <[email protected]>
---
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


2016-10-09 23:46:29

by Patrik Jakobsson

[permalink] [raw]
Subject: Re: [PATCH 1/1] gpu: drm: gma500: Use vma_pages()

On Mon, Oct 10, 2016 at 1:07 AM, Shyam Saini <[email protected]> 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 <[email protected]>

Will include that one when I get around to sending out a PR.

Thanks
Patrik

>
> Signed-off-by: Shyam Saini <[email protected]>
> ---
> 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
>

2016-10-10 01:52:55

by Shyam Saini

[permalink] [raw]
Subject: Re: [PATCH 1/1] gpu: drm: gma500: Use vma_pages()

On Mon, 2016-10-10 at 01:46 +0200, Patrik Jakobsson wrote:
> On Mon, Oct 10, 2016 at 1:07 AM, Shyam Saini <[email protected]>
> 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 <[email protected]>
>
> Will include that one when I get around to sending out a PR.
>
> Thanks
> Patrik
>
> >
> >
> > Signed-off-by: Shyam Saini <[email protected]>
> > ---
> >  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

2016-10-11 08:15:43

by Daniel Vetter

[permalink] [raw]
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 <[email protected]>
> > 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 <[email protected]>
> >
> > 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 <[email protected]>
> > > ---
> > > ?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
> [email protected]
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

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

2016-10-11 08:51:50

by Patrik Jakobsson

[permalink] [raw]
Subject: Re: [PATCH 1/1] gpu: drm: gma500: Use vma_pages()

On Tue, Oct 11, 2016 at 10:15 AM, Daniel Vetter <[email protected]> wrote:
> 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 <[email protected]>
>> > 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 <[email protected]>
>> >
>> > 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, I'll take them out of my queue that never got sent.

-Patrik

>> >
>> > Thanks
>> > Patrik
>> >
>> > >
>> > >
>> > > Signed-off-by: Shyam Saini <[email protected]>
>> > > ---
>> > > 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
>> [email protected]
>> https://lists.freedesktop.org/mailman/listinfo/dri-devel
>
> --
> Daniel Vetter
> Software Engineer, Intel Corporation
> http://blog.ffwll.ch