Re: [PATCH v6 2/2] drm/panel: Add Sitronix ST7701 panel driver
From: Jagan Teki
Date: Sun Jan 06 2019 - 11:40:43 EST
On Sat, Dec 15, 2018 at 2:16 AM Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxxxxxxxx>
> 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
> - 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/