于 2020年3月20日 GMT+08:00 下午5:11:22, Linus Walleij <linus.walleij@xxxxxxxxxx> 写到: >On Fri, Mar 20, 2020 at 9:07 AM Icenowy Zheng <icenowy@xxxxxxx> wrote: >> 于 2020年3月19日 GMT+08:00 下午10:14:27, Linus Walleij ><linus.walleij@xxxxxxxxxx> 写到: >> >On Mon, Mar 16, 2020 at 2:37 PM Icenowy Zheng <icenowy@xxxxxxx> >wrote: > >> >As noticed in the review of the driver, this display is very close >to >> >himax,hx8363. >> > >> >I think the best is to determin what actual display controller it >is, >> >I think it is some kind of Ilitek controller since Ilitek ili9342 is >> >clearly very similar. >> >> It's Sitronix ST7703, same as the Librem 5 panel. > >Heh, I wonder how it comes that it is so similar to Ilitek. >I guess I will never understand how the silicon ecosystem works >in asia (I did read a lot of Bunnie Huang's articles and hardware >hacking book to try to understand...) > >This file should be named sitronix,st7703.yaml then. > >According to the code in the Librem 5: >https://source.puri.sm/Librem5/linux-next/blob/imx8-current-librem5/drivers/gpu/drm/panel/panel-sitronix-st7701.c >The actual name of the display is Techstar ts8550b. Sorry, for Librem 5 panel, I mean Rocktech JH057N00900 here. This is also the code that my patchset based on. >And the display controller is st7701, so maybe we should >actually name it sitronix,st770x.yaml if there are some >sub-variants of st770x? > >> >properties: >> > compatible: >> > items: >> > - const: xingbangda,xbd599 >> > - const: ilitek,ili9342 >> > >> >Possibly use oneOf and add support for the himax,hx8363 >> >already while you're at it. > >This should at least be: > >compatible: > items: > - enum: > - xingbangda,xbd599 > - himax,hx8363 > - techstar,ts8550b > - enum: > - sitronix,st7701 > - sitronix,st7703 > >So panel nodes using this panel become >compatible = "xingbangda,sbd599", "sitronix,st7703" >etc. > >This way it is straight-forward for drivers to identify the panel >vendor and display controller. > >Yours, >Linus Walleij > >_______________________________________________ >linux-arm-kernel mailing list >linux-arm-kernel@xxxxxxxxxxxxxxxxxxx >http://lists.infradead.org/mailman/listinfo/linux-arm-kernel -- 使用 K-9 Mail 发送自我的Android设备。
