On 24-10-31 18:44:55, Dmitry Baryshkov wrote:
> On Thu, Oct 31, 2024 at 05:12:46PM +0200, Abel Vesa wrote:
> > LTTPRs operating modes are defined by the DisplayPort standard and the
> > generic framework now provides a helper to switch between them.
> > So use the drm generic helper instead as it makes the code a bit cleaner.
> >
> > Signed-off-by: Abel Vesa <abel.v...@linaro.org>
> > ---
> > drivers/gpu/drm/nouveau/nouveau_dp.c | 9 +++------
> > 1 file changed, 3 insertions(+), 6 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/nouveau/nouveau_dp.c
> > b/drivers/gpu/drm/nouveau/nouveau_dp.c
> > index
> > bcda0105160f1450df855281e0d932606a5095dd..80264e6186246903fa037861fe37493646de0c6e
> > 100644
> > --- a/drivers/gpu/drm/nouveau/nouveau_dp.c
> > +++ b/drivers/gpu/drm/nouveau/nouveau_dp.c
> > @@ -80,15 +80,12 @@ nouveau_dp_probe_dpcd(struct nouveau_connector
> > *nv_connector,
> > int nr = drm_dp_lttpr_count(outp->dp.lttpr.caps);
> >
> > if (nr) {
> > - drm_dp_dpcd_writeb(aux, DP_PHY_REPEATER_MODE,
> > -
> > DP_PHY_REPEATER_MODE_TRANSPARENT);
> > + drm_dp_lttpr_set_transparent_mode(aux, true);
> >
> > if (nr > 0) {
> > - ret = drm_dp_dpcd_writeb(aux,
> > DP_PHY_REPEATER_MODE,
> > -
> > DP_PHY_REPEATER_MODE_NON_TRANSPARENT);
> > + ret = drm_dp_lttpr_set_transparent_mode(aux,
> > false);
> > if (ret != 1) {
> > - drm_dp_dpcd_writeb(aux,
> > DP_PHY_REPEATER_MODE,
> > -
> > DP_PHY_REPEATER_MODE_TRANSPARENT);
> > + drm_dp_lttpr_set_transparent_mode(aux,
> > true);
> > } else {
> > outp->dp.lttpr.nr = nr;
> > }
>
> Could you please extract this true-false-true dance to a new helper too?
> This way Intel driver can use the simple helper, the rest of the drivers
> can benefit having the common code.
Will be part of the new version.
>
> >
> > --
> > 2.34.1
> >
>
> --
> With best wishes
> Dmitry
