Re: [PATCH v2 2/2] drm/panel: s6d27a1: Add driver for Samsung S6D27A1 display panel

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Hi Markuss,

this is looking really good, the following is just nitty gritty details
I could fix while applying, we're mostly waiting for DT review now.

On Sat, Aug 7, 2021 at 3:31 PM Markuss Broks <markuss.broks@xxxxxxxxx> wrote:

> +       /*
> +        * Exit sleep mode and initialize display - some hammering is
> +        * necessary.
> +        */
> +       mipi_dbi_command(dbi, MIPI_DCS_EXIT_SLEEP_MODE);
> +       mipi_dbi_command(dbi, MIPI_DCS_EXIT_SLEEP_MODE);

Check if this hammering is really necessary on s6d27a1, on Widechips
this is just a bug, what happens if you put just one of them?

> +       msleep(50);

This should be msleep(120) on s6d27a1 (according to board-codina-mcde.c)

Yours,
Linus Walleij



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