Hi, Bo-Chen: On Fri, 2022-07-01 at 14:28 +0800, Bo-Chen Chen wrote: > From: Markus Schneider-Pargmann <msp@xxxxxxxxxxxx> > > This patch adds a embedded displayport driver for the MediaTek mt8195 > SoC. > > It supports the MT8195, the embedded DisplayPort units. It offers > DisplayPort 1.4 with up to 4 lanes. > > The driver creates a child device for the phy. The child device will > never exist without the parent being active. As they are sharing a > register range, the parent passes a regmap pointer to the child so > that > both can work with the same register range. The phy driver sets > device > data that is read by the parent to get the phy device that can be > used > to control the phy properties. > > This driver is based on an initial version by > Jitao shi <jitao.shi@xxxxxxxxxxxx> > > Signed-off-by: Markus Schneider-Pargmann <msp@xxxxxxxxxxxx> > Signed-off-by: Guillaume Ranquet <granquet@xxxxxxxxxxxx> > Signed-off-by: Bo-Chen Chen <rex-bc.chen@xxxxxxxxxxxx> > --- [snip] > + > +static void mtk_dp_video_enable(struct mtk_dp *mtk_dp, bool enable) > +{ > + if (enable) { > + mtk_dp_set_tx_out(mtk_dp); > + mtk_dp_video_mute(mtk_dp, false); > + } else { > + mtk_dp_video_mute(mtk_dp, true); In mtk_dp_set_tx_out(), disable some function. Why not enable that function here? Regards, CK > + } > +} > +