Messages in this thread | | | Subject | Re: [PATCH v14 05/10] drm/mediatek: Add MT8195 Embedded DisplayPort driver | From | CK Hu <> | Date | Fri, 15 Jul 2022 17:14:49 +0800 |
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Hi, Bo-Chen:
On Tue, 2022-07-12 at 19:12 +0800, Bo-Chen Chen wrote: > From: Markus Schneider-Pargmann <msp@baylibre.com> > > 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@mediatek.com> > > Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com> > Signed-off-by: Guillaume Ranquet <granquet@baylibre.com> > Signed-off-by: Bo-Chen Chen <rex-bc.chen@mediatek.com> > ---
[snip]
> + > +static void mtk_dp_mn_overwrite_disable(struct mtk_dp *mtk_dp) > +{ > + mtk_dp_update_bits(mtk_dp, MTK_DP_ENC0_P0_3004, > + 0, VIDEO_M_CODE_SEL_DP_ENC0_P0_MASK); > +}
Why has mtk_dp_mn_overwrite_disable() but no mtk_dp_mn_overwrite_enable()?
Regards, CK
> +
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