RE: [EXT] Re: [PATCH v2] media: imx-jpeg: Leave a blank space before the configuration data

[Ming Qian]

> From: Fabio Estevam <festevam@xxxxxxxxx>
> Sent: 2022年5月27日 19:12
> To: Ming Qian <ming.qian@xxxxxxx>
> Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>; Mirela Rabulea (OSS)
> <mirela.rabulea@xxxxxxxxxxx>; Hans Verkuil <hverkuil-cisco@xxxxxxxxx>;
> Shawn Guo <shawnguo@xxxxxxxxxx>; Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>;
> Sascha Hauer <kernel@xxxxxxxxxxxxxx>; dl-linux-imx <linux-imx@xxxxxxx>;
> linux-media <linux-media@xxxxxxxxxxxxxxx>; linux-kernel
> <linux-kernel@xxxxxxxxxxxxxxx>; open list:OPEN FIRMWARE AND FLATTENED
> DEVICE TREE BINDINGS <devicetree@xxxxxxxxxxxxxxx>; moderated
> list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE
> <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>
> Subject: [EXT] Re: [PATCH v2] media: imx-jpeg: Leave a blank space before the
> configuration data
> 
> Caution: EXT Email
> 
> Hi Ming,
> 
> On Fri, May 27, 2022 at 7:25 AM Ming Qian <ming.qian@xxxxxxx> wrote:
> >
> > There is a hardware bug that it will load the first 128 bytes of
> > configuration data twice, it will led to some configure error.
> > so shift the configuration data 128 bytes, and make the first 128
> > bytes all zero, then hardware will load the 128 zero twice, and ignore
> > them as garbage.
> > then the configuration data can be loaded correctly
> >
> > Signed-off-by: Ming Qian <ming.qian@xxxxxxx>
> > Reviewed-by: Mirela Rabulea <mirela.rabulea@xxxxxxx>
> > Reviewed-by: Tommaso Merciai <tommaso.merciai@xxxxxxxxxxxxxxxxxxxx>
> 
> Fixes tag?

Hi Fabio,
    It's a hardware issue, so I'm not sure is it a driver issue that I fix it.
    Or I just check which patch includes the code I changed, and add the fix tag?

Ming