Dne ponedeljek, 31. maj 2021 ob 19:24:40 CEST je Jernej Škrabec napisal(a):
> Hi!
>
> Dne petek, 28. maj 2021 ob 22:30:35 CEST je Roman Stratiienko napisal(a):
> > Create callback to allow updating engine's registers on mode change.
> >
> > Signed-off-by: Roman Stratiienko <r.stratiie...@gmail.com>
> > Reviewed-by: Jernej Skrabec <jernej.skra...@siol.net>
BTW, update my R-B tag with gmail address and fix issues pointed out by Plaes
and me in order to use it.
> > ---
> > drivers/gpu/drm/sun4i/sun4i_crtc.c | 3 +++
> > drivers/gpu/drm/sun4i/sunxi_engine.h | 12 ++++++++++++
> > 2 files changed, 15 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/sun4i/sun4i_crtc.c b/drivers/gpu/drm/sun4i/
> sun4i_crtc.c
> > index 45d9eb552d86..8f01a6b2bbef 100644
> > --- a/drivers/gpu/drm/sun4i/sun4i_crtc.c
> > +++ b/drivers/gpu/drm/sun4i/sun4i_crtc.c
> > @@ -146,6 +146,9 @@ static void sun4i_crtc_mode_set_nofb(struct drm_crtc
> *crtc)
> > struct sun4i_crtc *scrtc = drm_crtc_to_sun4i_crtc(crtc);
> >
> > sun4i_tcon_mode_set(scrtc->tcon, encoder, mode);
> > +
> > + if (scrtc->engine->ops->mode_set)
> > + scrtc->engine->ops->mode_set(scrtc->engine, mode);
> > }
> >
> > static const struct drm_crtc_helper_funcs sun4i_crtc_helper_funcs = {
> > diff --git a/drivers/gpu/drm/sun4i/sunxi_engine.h b/drivers/gpu/drm/sun4i/
> sunxi_engine.h
> > index 548710a936d5..7faa844646ff 100644
> > --- a/drivers/gpu/drm/sun4i/sunxi_engine.h
> > +++ b/drivers/gpu/drm/sun4i/sunxi_engine.h
> > @@ -9,6 +9,7 @@
> > struct drm_plane;
> > struct drm_device;
> > struct drm_crtc_state;
> > +struct drm_display_mode;
> >
> > struct sunxi_engine;
> >
> > @@ -108,6 +109,17 @@ struct sunxi_engine_ops {
> > * This function is optional.
> > */
> > void (*vblank_quirk)(struct sunxi_engine *engine);
> > +
> > + /**
> > + * @mode_set:
> > + *
> > + * This callback is used to update engine registers that
> > + * responsible for display frame size and other mode attributes.
> > + *
> > + * This function is optional.
> > + */
> > + void (*mode_set)(struct sunxi_engine *engine,
> > + struct drm_display_mode *mode);
>
> Mark mode as const.
>
> Best regards,
> Jernej
>
> > };
> >
> > /**
> >
>
>
>
