[PATCH v11 05/10] drm/mediatek: Add MT8195 Embedded DisplayPort driver

CK Hu ck.hu at mediatek.com
Mon Jun 20 23:12:19 PDT 2022


Hi, Bo-Chen:

On Fri, 2022-06-10 at 18:55 +0800, Bo-Chen Chen wrote:
> From: Markus Schneider-Pargmann <msp at 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 at mediatek.com>
> 
> Signed-off-by: Markus Schneider-Pargmann <msp at baylibre.com>
> Signed-off-by: Guillaume Ranquet <granquet at baylibre.com>
> [Bo-Chen: Cleanup the drivers and modify comments from reviewers]
> Signed-off-by: Bo-Chen Chen <rex-bc.chen at mediatek.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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