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Fri, 1 May 2026 04:55:34 -0400 (EDT) Date: Fri, 1 May 2026 10:55:33 +0200 From: Niklas =?utf-8?Q?S=C3=B6derlund?= To: Jai Luthra Cc: Mauro Carvalho Chehab , Geert Uytterhoeven , Magnus Damm , Kuninori Morimoto , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Laurent Pinchart , Jacopo Mondi , Marek Vasut Subject: Re: [PATCH v7 01/18] media: Add RPP_X1_PARAMS and RPP_X1_STATS meta formats Message-ID: <20260501085533.GE6708@ragnatech.se> References: <20260410-rppx1-v7-0-43cfc6b44f1f@ideasonboard.com> <20260410-rppx1-v7-1-43cfc6b44f1f@ideasonboard.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20260410-rppx1-v7-1-43cfc6b44f1f@ideasonboard.com> Hi Jai, Thanks for your patch. On 2026-04-10 14:35:36 +0530, Jai Luthra wrote: > Register V4L2 metadata fourcc codes for the Dreamchip RPP-X1 ISP > parameters and statistics buffers. These formats are used by the driver > to exchange ISP configuration and 3A statistics with userspace through > the extensible parameters framework. > > Signed-off-by: Jai Luthra Reviewed-by: Niklas Söderlund > --- > drivers/media/v4l2-core/v4l2-ioctl.c | 2 ++ > include/uapi/linux/videodev2.h | 4 ++++ > 2 files changed, 6 insertions(+) > > diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c > index a2b650f4ec3c32a4883521f34fb51eed13c71d76..cd3f4a86e27f22a0108ad2932cba755295af9a98 100644 > --- a/drivers/media/v4l2-core/v4l2-ioctl.c > +++ b/drivers/media/v4l2-core/v4l2-ioctl.c > @@ -1471,6 +1471,8 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) > case V4L2_META_FMT_C3ISP_STATS: descr = "Amlogic C3 ISP Statistics"; break; > case V4L2_META_FMT_MALI_C55_PARAMS: descr = "ARM Mali-C55 ISP Parameters"; break; > case V4L2_META_FMT_MALI_C55_STATS: descr = "ARM Mali-C55 ISP 3A Statistics"; break; > + case V4L2_META_FMT_RPP_X1_PARAMS: descr = "Dreamchip RPP-X1 ISP Parameters"; break; > + case V4L2_META_FMT_RPP_X1_STATS: descr = "Dreamchip RPP-X1 ISP Statistics"; break; > case V4L2_PIX_FMT_NV12_8L128: descr = "NV12 (8x128 Linear)"; break; > case V4L2_PIX_FMT_NV12M_8L128: descr = "NV12M (8x128 Linear)"; break; > case V4L2_PIX_FMT_NV12_10BE_8L128: descr = "10-bit NV12 (8x128 Linear, BE)"; break; > diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h > index eda4492e40dc14a90a230601d8e23b0e13845d34..1f78b5378b3bde31a5ec464a6a609fac94e6d0d6 100644 > --- a/include/uapi/linux/videodev2.h > +++ b/include/uapi/linux/videodev2.h > @@ -889,6 +889,10 @@ struct v4l2_pix_format { > #define V4L2_META_FMT_MALI_C55_PARAMS v4l2_fourcc('C', '5', '5', 'P') /* ARM Mali-C55 Parameters */ > #define V4L2_META_FMT_MALI_C55_STATS v4l2_fourcc('C', '5', '5', 'S') /* ARM Mali-C55 3A Statistics */ > > +/* Vendor specific - used for Dreamchip RPP-X1 ISP */ > +#define V4L2_META_FMT_RPP_X1_PARAMS v4l2_fourcc('D', 'R', '1', 'P') /* Dreamchip RPP-X1 Parameters */ > +#define V4L2_META_FMT_RPP_X1_STATS v4l2_fourcc('D', 'R', '1', 'S') /* Dreamchip RPP-X1 Statistics */ > + > #ifdef __KERNEL__ > /* > * Line-based metadata formats. Remember to update v4l_fill_fmtdesc() when > > -- > 2.53.0 > -- Kind Regards, Niklas Söderlund