[EXT] Re: [PATCH] soc: imx: imx8mp-blk-ctrl: set HDMI LCDIF panic read hurry level

[Sandor Yu]

> -----Original Message-----
> From: Lucas Stach <l.stach at pengutronix.de>
> Sent: 2023年1月12日 17:15
> To: Sandor Yu <sandor.yu at nxp.com>; Peng Fan (OSS)
> <peng.fan at oss.nxp.com>; Shawn Guo <shawnguo at kernel.org>
> Cc: Pengutronix Kernel Team <kernel at pengutronix.de>; dl-linux-imx
> <linux-imx at nxp.com>; Fabio Estevam <festevam at gmail.com>;
> linux-arm-kernel at lists.infradead.org; patchwork-lst at pengutronix.de
> Subject: [EXT] Re: [PATCH] soc: imx: imx8mp-blk-ctrl: set HDMI LCDIF panic
> read hurry level
> 
> Caution: EXT Email
> 
> Hi Sandor,
> 
> Am Mittwoch, dem 11.01.2023 um 07:31 +0000 schrieb Sandor Yu:
> > > > >
> [...]
> > > > > BTW: will you also add HRV hurry level? If not, I could also post a
> patch.
> > > > >
> > > > Sure, I can post a patch for that. However, I would really
> > > > appreciate if NXP made some information available on how HRV is
> > > > actually working/used. The reference manual is lacking a lot in that
> regard.
> > >
> > > I know little about HDMI, loop HDMI SW owner Sandor to help.
> >
> > HRV is not actually used for imx8mp. It is a validation IP. Please ignore it.
> 
> Does that mean we should completely ignore it in upstream and you will carry
> any necessary patches in downstream? I.e. we wouldn't add the HURRY level
> configuration to the upstream HDMI blk-ctrl?
> 
HRV part could be ignore in upstream code, 
but HURRY level configuration for LCDIF should keep in upstream HDMI blk-ctrl. 
B.R
Sandor
> Regards,
> Lucas