On 25/07/2019 02:09, Rob Herring wrote: > Panfrost has a need for pages allocated on demand via GPU page faults. > When releasing the pages, the only thing preventing using > drm_gem_put_pages() is needing to skip over unpopulated pages, so allow > for skipping over NULL struct page pointers. > > Cc: Maarten Lankhorst <[email protected]> > Cc: Maxime Ripard <[email protected]> > Cc: Sean Paul <[email protected]> > Cc: David Airlie <[email protected]> > Cc: Daniel Vetter <[email protected]> > Cc: [email protected] > Signed-off-by: Rob Herring <[email protected]>
LGTM: Reviewed-by: Steven Price <[email protected]> > --- > v2: > - new patch > > drivers/gpu/drm/drm_gem.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c > index 243f43d70f42..db373c945f16 100644 > --- a/drivers/gpu/drm/drm_gem.c > +++ b/drivers/gpu/drm/drm_gem.c > @@ -633,6 +633,9 @@ void drm_gem_put_pages(struct drm_gem_object *obj, struct > page **pages, > > pagevec_init(&pvec); > for (i = 0; i < npages; i++) { > + if (!pages[i]) > + continue; > + > if (dirty) > set_page_dirty(pages[i]); > > -- > 2.20.1 > _______________________________________________ > dri-devel mailing list > [email protected] > https://lists.freedesktop.org/mailman/listinfo/dri-devel > _______________________________________________ dri-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/dri-devel
