Re: [RFC PATCH 1/3] drm/bridge: ti-sn65dsi86: switch to atomic ops

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On Sun, 10 Jul 2022 at 22:04, Sam Ravnborg <sam@xxxxxxxxxxxx> wrote:
>
> Hi Dmitry,
>
> On Sun, Jul 10, 2022 at 09:45:34PM +0300, Dmitry Baryshkov wrote:
> > Make ti-sn65dsi86 use atomic_enable / atomic_disable / atomic_pre_enable
> > / atomic_post_disable rather than their non-atomic versions.
> >
> > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
>
> a more or less identical patch was applied to drm-misc-next
> the other day.
> See d8b599bf625d1d818fdbb322a272fd2a5ea32e38.

Ugh, thanks for pointing this out.

>
>         Sam
>
> > ---
> >  drivers/gpu/drm/bridge/ti-sn65dsi86.c | 20 ++++++++++++--------
> >  1 file changed, 12 insertions(+), 8 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> > index 8cad662de9bb..01171547f638 100644
> > --- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> > +++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
> > @@ -752,7 +752,8 @@ ti_sn_bridge_mode_valid(struct drm_bridge *bridge,
> >       return MODE_OK;
> >  }
> >
> > -static void ti_sn_bridge_disable(struct drm_bridge *bridge)
> > +static void ti_sn_bridge_atomic_disable(struct drm_bridge *bridge,
> > +                                     struct drm_bridge_state *old_bridge_state)
> >  {
> >       struct ti_sn65dsi86 *pdata = bridge_to_ti_sn65dsi86(bridge);
> >
> > @@ -1011,7 +1012,8 @@ static int ti_sn_link_training(struct ti_sn65dsi86 *pdata, int dp_rate_idx,
> >       return ret;
> >  }
> >
> > -static void ti_sn_bridge_enable(struct drm_bridge *bridge)
> > +static void ti_sn_bridge_atomic_enable(struct drm_bridge *bridge,
> > +                                    struct drm_bridge_state *old_bridge_state)
> >  {
> >       struct ti_sn65dsi86 *pdata = bridge_to_ti_sn65dsi86(bridge);
> >       const char *last_err_str = "No supported DP rate";
> > @@ -1080,7 +1082,8 @@ static void ti_sn_bridge_enable(struct drm_bridge *bridge)
> >                          VSTREAM_ENABLE);
> >  }
> >
> > -static void ti_sn_bridge_pre_enable(struct drm_bridge *bridge)
> > +static void ti_sn_bridge_atomic_pre_enable(struct drm_bridge *bridge,
> > +                                        struct drm_bridge_state *old_bridge_state)
> >  {
> >       struct ti_sn65dsi86 *pdata = bridge_to_ti_sn65dsi86(bridge);
> >
> > @@ -1093,7 +1096,8 @@ static void ti_sn_bridge_pre_enable(struct drm_bridge *bridge)
> >       usleep_range(100, 110);
> >  }
> >
> > -static void ti_sn_bridge_post_disable(struct drm_bridge *bridge)
> > +static void ti_sn_bridge_atomic_post_disable(struct drm_bridge *bridge,
> > +                                          struct drm_bridge_state *old_bridge_state)
> >  {
> >       struct ti_sn65dsi86 *pdata = bridge_to_ti_sn65dsi86(bridge);
> >
> > @@ -1114,10 +1118,10 @@ static const struct drm_bridge_funcs ti_sn_bridge_funcs = {
> >       .attach = ti_sn_bridge_attach,
> >       .detach = ti_sn_bridge_detach,
> >       .mode_valid = ti_sn_bridge_mode_valid,
> > -     .pre_enable = ti_sn_bridge_pre_enable,
> > -     .enable = ti_sn_bridge_enable,
> > -     .disable = ti_sn_bridge_disable,
> > -     .post_disable = ti_sn_bridge_post_disable,
> > +     .atomic_pre_enable = ti_sn_bridge_atomic_pre_enable,
> > +     .atomic_enable = ti_sn_bridge_atomic_enable,
> > +     .atomic_disable = ti_sn_bridge_atomic_disable,
> > +     .atomic_post_disable = ti_sn_bridge_atomic_post_disable,
> >  };
> >
> >  static void ti_sn_bridge_parse_lanes(struct ti_sn65dsi86 *pdata,
> > --
> > 2.35.1



-- 
With best wishes
Dmitry



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