> 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