[PATCH] drm/stm: attach gem fence to atomic state

[Benjamin Gaignard]

Le ven. 19 juil. 2019 à 15:35, Philippe CORNU <philippe.cornu at st.com> a écrit :
>
> Hi Lucas & Ahmad,
>
> Many thanks for your patch,
>
> Tested successfully on stm32mp157-dk2 (weston & drm).
>
> Acked-by: Philippe Cornu <philippe.cornu at st.com>
> Tested-by: Philippe Cornu <philippe.cornu at st.com>

Applied on drm-misc-next.
Thanks,
Benjamin

>
> Philippe :-)
>
> On 7/12/19 10:42 AM, Lucas Stach wrote:
> > From: Ahmad Fatoum <a.fatoum at pengutronix.de>
> >
> > To properly synchronize with other devices the fence from the GEM
> > object backing the framebuffer needs to be attached to the atomic
> > state, so the commit work can wait on fence signaling.
> >
> > Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
> > Signed-off-by: Lucas Stach <l.stach at pengutronix.de>
> > ---
> >   drivers/gpu/drm/stm/ltdc.c | 2 ++
> >   1 file changed, 2 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
> > index 2fe6c4a8d915..3ab4fbf8eb0d 100644
> > --- a/drivers/gpu/drm/stm/ltdc.c
> > +++ b/drivers/gpu/drm/stm/ltdc.c
> > @@ -26,6 +26,7 @@
> >   #include <drm/drm_fb_cma_helper.h>
> >   #include <drm/drm_fourcc.h>
> >   #include <drm/drm_gem_cma_helper.h>
> > +#include <drm/drm_gem_framebuffer_helper.h>
> >   #include <drm/drm_of.h>
> >   #include <drm/drm_plane_helper.h>
> >   #include <drm/drm_probe_helper.h>
> > @@ -922,6 +923,7 @@ static const struct drm_plane_funcs ltdc_plane_funcs = {
> >   };
> >
> >   static const struct drm_plane_helper_funcs ltdc_plane_helper_funcs = {
> > +     .prepare_fb = drm_gem_fb_prepare_fb,
> >       .atomic_check = ltdc_plane_atomic_check,
> >       .atomic_update = ltdc_plane_atomic_update,
> >       .atomic_disable = ltdc_plane_atomic_disable,
> >