On Tue, Apr 05, 2016 at 10:46:37AM +0200, Maarten Lankhorst wrote:
> Op 04-04-16 om 17:47 schreef Marius Vlad:
> > igt_atomic_prepare_plane_commit() assumes that the framebuffer is always
> > set-up.
> >
> > Signed-off-by: Marius Vlad <marius.c.vlad@xxxxxxxxx>
> > ---
> > lib/igt_kms.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/lib/igt_kms.c b/lib/igt_kms.c
> > index 82257a6..30c5b7e 100644
> > --- a/lib/igt_kms.c
> > +++ b/lib/igt_kms.c
> > @@ -1585,7 +1585,7 @@ igt_atomic_prepare_plane_commit(igt_plane_t *plane, igt_output_t *output,
> > igt_atomic_populate_plane_req(req, plane, IGT_PLANE_FB_ID, fb_id);
> > }
> >
> > - if (plane->position_changed || plane->size_changed) {
> > + if ((plane->position_changed || plane->size_changed) && fb_id != 0) {
> > uint32_t src_x = IGT_FIXED(plane->fb->src_x, 0); /* src_x */
> > uint32_t src_y = IGT_FIXED(plane->fb->src_y, 0); /* src_y */
> > uint32_t src_w = IGT_FIXED(plane->fb->src_w, 0); /* src_w */
> Why is this needed?
Because plane->fb is NULL when fb_id == 0. Maybe Ville had a point, not having
src_* in plane->fb.
>
> ~Maarten
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