linux-kernel - Re: [PATCH v6 2/2] drm/panel: Add Sitronix ST7701 panel driver

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Message-ID: <CAMty3ZAXfyCn2-WC6b71uZwTE3aC-ThoRDbvozhqfrO-q9SU2Q@mail.gmail.com>
Date:   Sun, 6 Jan 2019 22:07:17 +0530
From:   Jagan Teki <jagan@...rulasolutions.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        David Airlie <airlied@...ux.ie>, Sean Paul <sean@...rly.run>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Michael Trimarchi <michael@...rulasolutions.com>,
        linux-amarula@...rulasolutions.com
Subject: Re: [PATCH v6 2/2] drm/panel: Add Sitronix ST7701 panel driver

On Sat, Dec 15, 2018 at 2:16 AM Jagan Teki <jagan@...rulasolutions.com> wrote:
>
> ST7701 designed for small and medium sizes of TFT LCD display, is
> capable of supporting up to 480RGBX864 in resolution. It provides
> several system interfaces like MIPI/RGB/SPI.
>
> Currently added support for Techstar TS8550B which is ST7701 based
> 480x854, 2-lane MIPI DSI LCD panel.
>
> Driver now registering mipi_dsi device, but indeed it can extendable
> for RGB if any requirement trigger in future.
>
> Signed-off-by: Jagan Teki <jagan@...rulasolutions.com>
> ---
> Changes for v6:
> - use sleep delay value as per datasheet
> - add panel_sleep_delay variable for panel specific delay
> - use command sequnce display on and off instead panel
>   functions
> - add proper comments on the delays
> - remove delays from command switch
> - move mode type on struct display mode
> - drop refresh rate value, let drm compute
> Changes for v5:
> - found the chip from vendor, so added new panel driver
> - here is v4: https://patchwork.kernel.org/patch/10680335/

Any comments?