[PATCH 09/19] drm/via: set FOLL_PIN via pin_user_pages_fast()

[Daniel Vetter]

On Thu, Oct 31, 2019 at 04:36:28PM -0700, Ira Weiny wrote:
> On Wed, Oct 30, 2019 at 03:49:20PM -0700, John Hubbard wrote:
> > Convert drm/via to use the new pin_user_pages_fast() call, which sets
> > FOLL_PIN. Setting FOLL_PIN is now required for code that requires
> > tracking of pinned pages, and therefore for any code that calls
> > put_user_page().
> > 
> 
> Reviewed-by: Ira Weiny <ira.weiny at intel.com>

No one's touching the via driver anymore, so feel free to merge this
through whatever tree suits best (aka I'll drop this on the floor and
forget about it now).

Acked-by: Daniel Vetter <daniel.vetter at ffwll.ch>

> 
> > Signed-off-by: John Hubbard <jhubbard at nvidia.com>
> > ---
> >  drivers/gpu/drm/via/via_dmablit.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/gpu/drm/via/via_dmablit.c b/drivers/gpu/drm/via/via_dmablit.c
> > index 3db000aacd26..37c5e572993a 100644
> > --- a/drivers/gpu/drm/via/via_dmablit.c
> > +++ b/drivers/gpu/drm/via/via_dmablit.c
> > @@ -239,7 +239,7 @@ via_lock_all_dma_pages(drm_via_sg_info_t *vsg,  drm_via_dmablit_t *xfer)
> >  	vsg->pages = vzalloc(array_size(sizeof(struct page *), vsg->num_pages));
> >  	if (NULL == vsg->pages)
> >  		return -ENOMEM;
> > -	ret = get_user_pages_fast((unsigned long)xfer->mem_addr,
> > +	ret = pin_user_pages_fast((unsigned long)xfer->mem_addr,
> >  			vsg->num_pages,
> >  			vsg->direction == DMA_FROM_DEVICE ? FOLL_WRITE : 0,
> >  			vsg->pages);
> > -- 
> > 2.23.0
> > 

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