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Message-ID: <2133b865e57d1576671c2c6e685c7c09b1717fcf.camel@mediatek.com>
Date: Tue, 21 Jun 2022 14:12:19 +0800
From: CK Hu <ck.hu@...iatek.com>
To: Bo-Chen Chen <rex-bc.chen@...iatek.com>, <chunkuang.hu@...nel.org>,
<p.zabel@...gutronix.de>, <daniel@...ll.ch>, <robh+dt@...nel.org>,
<krzysztof.kozlowski+dt@...aro.org>, <mripard@...nel.org>,
<tzimmermann@...e.de>, <matthias.bgg@...il.com>, <deller@....de>,
<airlied@...ux.ie>
CC: <msp@...libre.com>, <granquet@...libre.com>,
<jitao.shi@...iatek.com>, <wenst@...omium.org>,
<angelogioacchino.delregno@...labora.com>,
<dri-devel@...ts.freedesktop.org>,
<linux-mediatek@...ts.infradead.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-fbdev@...r.kernel.org>,
<Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: Re: [PATCH v11 05/10] drm/mediatek: Add MT8195 Embedded DisplayPort
driver
Hi, Bo-Chen:
On Fri, 2022-06-10 at 18:55 +0800, Bo-Chen Chen wrote:
> From: Markus Schneider-Pargmann <msp@...libre.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@...iatek.com>
>
> Signed-off-by: Markus Schneider-Pargmann <msp@...libre.com>
> Signed-off-by: Guillaume Ranquet <granquet@...libre.com>
> [Bo-Chen: Cleanup the drivers and modify comments from reviewers]
> Signed-off-by: Bo-Chen Chen <rex-bc.chen@...iatek.com>
> ---
[snip]
> +
> +#define MTK_DP_ENC0_P0_3130 (ENC0_OFFSET + 0x130)
This is useless in this patch, so remove it.
If this is used in later patch, add this back in that patch.
> +#define MTK_DP_ENC0_P0_3138 (ENC0_OFFSET + 0x138)
Ditto.
Regards,
CK
> +#define MTK_DP_ENC0_P0_3154 (ENC0_OFFSET + 0x154)
> +#define PGEN_HTOTAL_DP_ENC0_P0_MASK GENMASK(13, 0)
> +#define MTK_DP_ENC0_P0_3158 (ENC0_OFFSET + 0x158)
>
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