[{"id":27508,"web_url":"https://patchwork.libcamera.org/comment/27508/","msgid":"<CAHW6GYJ+25FzU8C3J0vbYjdYM32jpmha1Zh3O-Mane0vUy-eMg@mail.gmail.com>","date":"2023-07-07T10:49:06","subject":"Re: [libcamera-devel] [PATCH] ipa: rpi: imx296_mono: Disable all\n\tcolour shading","submitter":{"id":42,"url":"https://patchwork.libcamera.org/api/people/42/","name":"David Plowman","email":"david.plowman@raspberrypi.com"},"content":"Hi Naush\n\nThanks for the patch!\n\nOn Fri, 7 Jul 2023 at 11:37, Naushir Patuck <naush@raspberrypi.com> wrote:\n>\n> Colour shading should be turned off for the mono variant of the IMX296\n> sensor. To do this, set all the colour gain coefficients to 1.\n>\n> Signed-off-by: Naushir Patuck <naush@raspberrypi.com>\n\nYes, I'm sure this is the right answer.\n\nReviewed-by: David Plowman <daivd.plowman@raspberrypi.com>\n\nThanks\nDavid\n\n> ---\n>  src/ipa/rpi/vc4/data/imx296_mono.json | 48 +++++++++++++--------------\n>  1 file changed, 24 insertions(+), 24 deletions(-)\n>\n> diff --git a/src/ipa/rpi/vc4/data/imx296_mono.json b/src/ipa/rpi/vc4/data/imx296_mono.json\n> index 955af43cccff..d4140c81bf0d 100644\n> --- a/src/ipa/rpi/vc4/data/imx296_mono.json\n> +++ b/src/ipa/rpi/vc4/data/imx296_mono.json\n> @@ -123,18 +123,18 @@\n>                          \"ct\": 4000,\n>                          \"table\":\n>                          [\n> -                            2.554, 2.554, 2.541, 2.534, 2.495, 2.506, 2.516, 2.517, 2.518, 2.515, 2.513, 2.495, 2.481, 2.533, 2.533, 2.521,\n> -                            2.522, 2.534, 2.539, 2.531, 2.531, 2.506, 2.506, 2.513, 2.513, 2.509, 2.498, 2.496, 2.508, 2.517, 2.521, 2.521,\n> -                            2.509, 2.517, 2.534, 2.529, 2.531, 2.521, 2.517, 2.517, 2.515, 2.514, 2.506, 2.499, 2.508, 2.508, 2.521, 2.537,\n> -                            2.507, 2.508, 2.517, 2.516, 2.495, 2.487, 2.519, 2.534, 2.535, 2.531, 2.499, 2.494, 2.501, 2.511, 2.526, 2.526,\n> -                            2.509, 2.517, 2.507, 2.501, 2.494, 2.519, 2.539, 2.539, 2.537, 2.537, 2.533, 2.499, 2.503, 2.511, 2.529, 2.525,\n> -                            2.521, 2.522, 2.476, 2.501, 2.501, 2.539, 2.546, 2.538, 2.531, 2.538, 2.541, 2.531, 2.529, 2.526, 2.529, 2.525,\n> -                            2.516, 2.519, 2.469, 2.499, 2.499, 2.543, 2.543, 2.531, 2.528, 2.534, 2.541, 2.535, 2.531, 2.526, 2.531, 2.528,\n> -                            2.509, 2.515, 2.465, 2.487, 2.487, 2.539, 2.543, 2.539, 2.533, 2.549, 2.542, 2.531, 2.529, 2.524, 2.532, 2.533,\n> -                            2.499, 2.499, 2.475, 2.482, 2.471, 2.509, 2.539, 2.544, 2.543, 2.545, 2.533, 2.498, 2.521, 2.521, 2.537, 2.536,\n> -                            2.499, 2.488, 2.488, 2.488, 2.471, 2.462, 2.509, 2.539, 2.539, 2.532, 2.498, 2.498, 2.518, 2.518, 2.539, 2.539,\n> -                            2.483, 2.484, 2.488, 2.488, 2.502, 2.496, 2.508, 2.514, 2.518, 2.517, 2.521, 2.518, 2.518, 2.518, 2.525, 2.539,\n> -                            2.483, 2.487, 2.478, 2.478, 2.507, 2.509, 2.514, 2.513, 2.514, 2.517, 2.536, 2.559, 2.501, 2.501, 2.503, 2.525\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1\n>                          ]\n>                      }\n>                  ],\n> @@ -143,18 +143,18 @@\n>                          \"ct\": 4000,\n>                          \"table\":\n>                          [\n> -                            2.619, 2.603, 2.599, 2.597, 2.595, 2.594, 2.589, 2.587, 2.586, 2.589, 2.592, 2.597, 2.601, 2.608, 2.621, 2.621,\n> -                            2.619, 2.615, 2.603, 2.601, 2.596, 2.595, 2.591, 2.589, 2.589, 2.592, 2.599, 2.593, 2.601, 2.613, 2.622, 2.631,\n> -                            2.617, 2.617, 2.612, 2.611, 2.604, 2.598, 2.593, 2.591, 2.592, 2.591, 2.593, 2.595, 2.599, 2.614, 2.623, 2.631,\n> -                            2.624, 2.619, 2.615, 2.612, 2.605, 2.602, 2.597, 2.596, 2.592, 2.592, 2.595, 2.599, 2.602, 2.606, 2.619, 2.624,\n> -                            2.629, 2.627, 2.627, 2.617, 2.609, 2.598, 2.612, 2.623, 2.615, 2.604, 2.589, 2.595, 2.599, 2.608, 2.611, 2.614,\n> -                            2.629, 2.632, 2.637, 2.627, 2.612, 2.612, 2.629, 2.631, 2.628, 2.621, 2.604, 2.597, 2.598, 2.604, 2.609, 2.609,\n> -                            2.635, 2.636, 2.642, 2.628, 2.623, 2.623, 2.636, 2.636, 2.634, 2.628, 2.616, 2.599, 2.597, 2.601, 2.603, 2.601,\n> -                            2.641, 2.639, 2.646, 2.632, 2.627, 2.625, 2.632, 2.635, 2.634, 2.627, 2.614, 2.596, 2.595, 2.599, 2.599, 2.598,\n> -                            2.643, 2.644, 2.651, 2.649, 2.629, 2.617, 2.624, 2.629, 2.625, 2.614, 2.586, 2.599, 2.595, 2.597, 2.592, 2.595,\n> -                            2.645, 2.646, 2.649, 2.649, 2.638, 2.624, 2.616, 2.617, 2.609, 2.604, 2.603, 2.603, 2.595, 2.589, 2.587, 2.592,\n> -                            2.641, 2.643, 2.649, 2.647, 2.638, 2.618, 2.615, 2.608, 2.602, 2.595, 2.596, 2.595, 2.593, 2.584, 2.581, 2.583,\n> -                            2.638, 2.637, 2.647, 2.634, 2.634, 2.618, 2.621, 2.621, 2.611, 2.602, 2.596, 2.583, 2.581, 2.581, 2.576, 2.574\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1\n>                          ]\n>                      }\n>                  ],\n> --\n> 2.34.1\n>","headers":{"Return-Path":"<libcamera-devel-bounces@lists.libcamera.org>","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id B54B2BDC71\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri,  7 Jul 2023 10:49:20 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id F06DB628C0;\n\tFri,  7 Jul 2023 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03:49:17 -0700 (PDT)","MIME-Version":"1.0","References":"<20230707103727.17578-1-naush@raspberrypi.com>","In-Reply-To":"<20230707103727.17578-1-naush@raspberrypi.com>","Date":"Fri, 7 Jul 2023 11:49:06 +0100","Message-ID":"<CAHW6GYJ+25FzU8C3J0vbYjdYM32jpmha1Zh3O-Mane0vUy-eMg@mail.gmail.com>","To":"Naushir Patuck <naush@raspberrypi.com>","Content-Type":"text/plain; charset=\"UTF-8\"","Subject":"Re: [libcamera-devel] [PATCH] ipa: rpi: imx296_mono: Disable all\n\tcolour shading","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"<libcamera-devel.lists.libcamera.org>","List-Unsubscribe":"<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>","List-Archive":"<https://lists.libcamera.org/pipermail/libcamera-devel/>","List-Post":"<mailto:libcamera-devel@lists.libcamera.org>","List-Help":"<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>","List-Subscribe":"<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>","From":"David Plowman via libcamera-devel <libcamera-devel@lists.libcamera.org>","Reply-To":"David Plowman <david.plowman@raspberrypi.com>","Cc":"libcamera-devel@lists.libcamera.org","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"}},{"id":27509,"web_url":"https://patchwork.libcamera.org/comment/27509/","msgid":"<CAEmqJPqRpn9DXv+WvtnGHYPd35_gOS5HDZNc_KdrZLTb+WJ+2Q@mail.gmail.com>","date":"2023-07-07T11:03:31","subject":"Re: [libcamera-devel] [PATCH] ipa: rpi: imx296_mono: Disable all\n\tcolour shading","submitter":{"id":34,"url":"https://patchwork.libcamera.org/api/people/34/","name":"Naushir Patuck","email":"naush@raspberrypi.com"},"content":"Adding Nick for a review as well.\n\nOn Fri, 7 Jul 2023 at 11:37, Naushir Patuck <naush@raspberrypi.com> wrote:\n>\n> Colour shading should be turned off for the mono variant of the IMX296\n> sensor. To do this, set all the colour gain coefficients to 1.\n>\n> Signed-off-by: Naushir Patuck <naush@raspberrypi.com>\n> ---\n>  src/ipa/rpi/vc4/data/imx296_mono.json | 48 +++++++++++++--------------\n>  1 file changed, 24 insertions(+), 24 deletions(-)\n>\n> diff --git a/src/ipa/rpi/vc4/data/imx296_mono.json b/src/ipa/rpi/vc4/data/imx296_mono.json\n> index 955af43cccff..d4140c81bf0d 100644\n> --- a/src/ipa/rpi/vc4/data/imx296_mono.json\n> +++ b/src/ipa/rpi/vc4/data/imx296_mono.json\n> @@ -123,18 +123,18 @@\n>                          \"ct\": 4000,\n>                          \"table\":\n>                          [\n> -                            2.554, 2.554, 2.541, 2.534, 2.495, 2.506, 2.516, 2.517, 2.518, 2.515, 2.513, 2.495, 2.481, 2.533, 2.533, 2.521,\n> -                            2.522, 2.534, 2.539, 2.531, 2.531, 2.506, 2.506, 2.513, 2.513, 2.509, 2.498, 2.496, 2.508, 2.517, 2.521, 2.521,\n> -                            2.509, 2.517, 2.534, 2.529, 2.531, 2.521, 2.517, 2.517, 2.515, 2.514, 2.506, 2.499, 2.508, 2.508, 2.521, 2.537,\n> -                            2.507, 2.508, 2.517, 2.516, 2.495, 2.487, 2.519, 2.534, 2.535, 2.531, 2.499, 2.494, 2.501, 2.511, 2.526, 2.526,\n> -                            2.509, 2.517, 2.507, 2.501, 2.494, 2.519, 2.539, 2.539, 2.537, 2.537, 2.533, 2.499, 2.503, 2.511, 2.529, 2.525,\n> -                            2.521, 2.522, 2.476, 2.501, 2.501, 2.539, 2.546, 2.538, 2.531, 2.538, 2.541, 2.531, 2.529, 2.526, 2.529, 2.525,\n> -                            2.516, 2.519, 2.469, 2.499, 2.499, 2.543, 2.543, 2.531, 2.528, 2.534, 2.541, 2.535, 2.531, 2.526, 2.531, 2.528,\n> -                            2.509, 2.515, 2.465, 2.487, 2.487, 2.539, 2.543, 2.539, 2.533, 2.549, 2.542, 2.531, 2.529, 2.524, 2.532, 2.533,\n> -                            2.499, 2.499, 2.475, 2.482, 2.471, 2.509, 2.539, 2.544, 2.543, 2.545, 2.533, 2.498, 2.521, 2.521, 2.537, 2.536,\n> -                            2.499, 2.488, 2.488, 2.488, 2.471, 2.462, 2.509, 2.539, 2.539, 2.532, 2.498, 2.498, 2.518, 2.518, 2.539, 2.539,\n> -                            2.483, 2.484, 2.488, 2.488, 2.502, 2.496, 2.508, 2.514, 2.518, 2.517, 2.521, 2.518, 2.518, 2.518, 2.525, 2.539,\n> -                            2.483, 2.487, 2.478, 2.478, 2.507, 2.509, 2.514, 2.513, 2.514, 2.517, 2.536, 2.559, 2.501, 2.501, 2.503, 2.525\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1\n>                          ]\n>                      }\n>                  ],\n> @@ -143,18 +143,18 @@\n>                          \"ct\": 4000,\n>                          \"table\":\n>                          [\n> -                            2.619, 2.603, 2.599, 2.597, 2.595, 2.594, 2.589, 2.587, 2.586, 2.589, 2.592, 2.597, 2.601, 2.608, 2.621, 2.621,\n> -                            2.619, 2.615, 2.603, 2.601, 2.596, 2.595, 2.591, 2.589, 2.589, 2.592, 2.599, 2.593, 2.601, 2.613, 2.622, 2.631,\n> -                            2.617, 2.617, 2.612, 2.611, 2.604, 2.598, 2.593, 2.591, 2.592, 2.591, 2.593, 2.595, 2.599, 2.614, 2.623, 2.631,\n> -                            2.624, 2.619, 2.615, 2.612, 2.605, 2.602, 2.597, 2.596, 2.592, 2.592, 2.595, 2.599, 2.602, 2.606, 2.619, 2.624,\n> -                            2.629, 2.627, 2.627, 2.617, 2.609, 2.598, 2.612, 2.623, 2.615, 2.604, 2.589, 2.595, 2.599, 2.608, 2.611, 2.614,\n> -                            2.629, 2.632, 2.637, 2.627, 2.612, 2.612, 2.629, 2.631, 2.628, 2.621, 2.604, 2.597, 2.598, 2.604, 2.609, 2.609,\n> -                            2.635, 2.636, 2.642, 2.628, 2.623, 2.623, 2.636, 2.636, 2.634, 2.628, 2.616, 2.599, 2.597, 2.601, 2.603, 2.601,\n> -                            2.641, 2.639, 2.646, 2.632, 2.627, 2.625, 2.632, 2.635, 2.634, 2.627, 2.614, 2.596, 2.595, 2.599, 2.599, 2.598,\n> -                            2.643, 2.644, 2.651, 2.649, 2.629, 2.617, 2.624, 2.629, 2.625, 2.614, 2.586, 2.599, 2.595, 2.597, 2.592, 2.595,\n> -                            2.645, 2.646, 2.649, 2.649, 2.638, 2.624, 2.616, 2.617, 2.609, 2.604, 2.603, 2.603, 2.595, 2.589, 2.587, 2.592,\n> -                            2.641, 2.643, 2.649, 2.647, 2.638, 2.618, 2.615, 2.608, 2.602, 2.595, 2.596, 2.595, 2.593, 2.584, 2.581, 2.583,\n> -                            2.638, 2.637, 2.647, 2.634, 2.634, 2.618, 2.621, 2.621, 2.611, 2.602, 2.596, 2.583, 2.581, 2.581, 2.576, 2.574\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n> +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1\n>                          ]\n>                      }\n>                  ],\n> --\n> 2.34.1\n>","headers":{"Return-Path":"<libcamera-devel-bounces@lists.libcamera.org>","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 3CC13C323E\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri,  7 Jul 2023 11:03:52 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 90C2D628BC;\n\tFri,  7 Jul 2023 13:03:51 +0200 (CEST)","from mail-yw1-x112f.google.com (mail-yw1-x112f.google.com\n\t[IPv6:2607:f8b0:4864:20::112f])\n\tby 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04:03:47 -0700 (PDT)","MIME-Version":"1.0","References":"<20230707103727.17578-1-naush@raspberrypi.com>","In-Reply-To":"<20230707103727.17578-1-naush@raspberrypi.com>","Date":"Fri, 7 Jul 2023 12:03:31 +0100","Message-ID":"<CAEmqJPqRpn9DXv+WvtnGHYPd35_gOS5HDZNc_KdrZLTb+WJ+2Q@mail.gmail.com>","To":"libcamera-devel@lists.libcamera.org","Content-Type":"text/plain; charset=\"UTF-8\"","Subject":"Re: [libcamera-devel] [PATCH] ipa: rpi: imx296_mono: Disable all\n\tcolour shading","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"<libcamera-devel.lists.libcamera.org>","List-Unsubscribe":"<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>","List-Archive":"<https://lists.libcamera.org/pipermail/libcamera-devel/>","List-Post":"<mailto:libcamera-devel@lists.libcamera.org>","List-Help":"<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>","List-Subscribe":"<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>","From":"Naushir Patuck via libcamera-devel\n\t<libcamera-devel@lists.libcamera.org>","Reply-To":"Naushir Patuck <naush@raspberrypi.com>","Cc":"Nick Hollinghurst <nick.hollinghurst@raspberrypi.com>","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"}},{"id":27511,"web_url":"https://patchwork.libcamera.org/comment/27511/","msgid":"<CAPhyPA4ZN35FVVbfa+yai1Er5tPqzLCpo9CBAvOqx=9AbJE81Q@mail.gmail.com>","date":"2023-07-07T12:21:54","subject":"Re: [libcamera-devel] [PATCH] ipa: rpi: imx296_mono: Disable all\n\tcolour shading","submitter":{"id":130,"url":"https://patchwork.libcamera.org/api/people/130/","name":"Nick Hollinghurst","email":"nick.hollinghurst@raspberrypi.com"},"content":"Thanks, Naush\n\nThis is clearly the right thing to do for a mono sensor, to avoid scaling\nit as Bayer, which previously introduced checkerboard artifacts.\n(The error was small, because the smallest value for each component gets\nnormalized to 1.0 and the variation was not large, but was still quite\nvisible in JPEGs.)\n\nReviewed-by: Nick Hollinghurst <nick.hollinghurst@raspberrypi.com>\n\n Nick\n\nOn Fri, 7 Jul 2023 at 12:03, Naushir Patuck <naush@raspberrypi.com> wrote:\n>\n> Adding Nick for a review as well.\n>\n> On Fri, 7 Jul 2023 at 11:37, Naushir Patuck <naush@raspberrypi.com> wrote:\n> >\n> > Colour shading should be turned off for the mono variant of the IMX296\n> > sensor. To do this, set all the colour gain coefficients to 1.\n> >\n> > Signed-off-by: Naushir Patuck <naush@raspberrypi.com>\n> > ---\n> >  src/ipa/rpi/vc4/data/imx296_mono.json | 48 +++++++++++++--------------\n> >  1 file changed, 24 insertions(+), 24 deletions(-)\n> >\n> > diff --git a/src/ipa/rpi/vc4/data/imx296_mono.json\nb/src/ipa/rpi/vc4/data/imx296_mono.json\n> > index 955af43cccff..d4140c81bf0d 100644\n> > --- a/src/ipa/rpi/vc4/data/imx296_mono.json\n> > +++ b/src/ipa/rpi/vc4/data/imx296_mono.json\n> > @@ -123,18 +123,18 @@\n> >                          \"ct\": 4000,\n> >                          \"table\":\n> >                          [\n> > -                            2.554, 2.554, 2.541, 2.534, 2.495, 2.506,\n2.516, 2.517, 2.518, 2.515, 2.513, 2.495, 2.481, 2.533, 2.533, 2.521,\n> > -                            2.522, 2.534, 2.539, 2.531, 2.531, 2.506,\n2.506, 2.513, 2.513, 2.509, 2.498, 2.496, 2.508, 2.517, 2.521, 2.521,\n> > -                            2.509, 2.517, 2.534, 2.529, 2.531, 2.521,\n2.517, 2.517, 2.515, 2.514, 2.506, 2.499, 2.508, 2.508, 2.521, 2.537,\n> > -                            2.507, 2.508, 2.517, 2.516, 2.495, 2.487,\n2.519, 2.534, 2.535, 2.531, 2.499, 2.494, 2.501, 2.511, 2.526, 2.526,\n> > -                            2.509, 2.517, 2.507, 2.501, 2.494, 2.519,\n2.539, 2.539, 2.537, 2.537, 2.533, 2.499, 2.503, 2.511, 2.529, 2.525,\n> > -                            2.521, 2.522, 2.476, 2.501, 2.501, 2.539,\n2.546, 2.538, 2.531, 2.538, 2.541, 2.531, 2.529, 2.526, 2.529, 2.525,\n> > -                            2.516, 2.519, 2.469, 2.499, 2.499, 2.543,\n2.543, 2.531, 2.528, 2.534, 2.541, 2.535, 2.531, 2.526, 2.531, 2.528,\n> > -                            2.509, 2.515, 2.465, 2.487, 2.487, 2.539,\n2.543, 2.539, 2.533, 2.549, 2.542, 2.531, 2.529, 2.524, 2.532, 2.533,\n> > -                            2.499, 2.499, 2.475, 2.482, 2.471, 2.509,\n2.539, 2.544, 2.543, 2.545, 2.533, 2.498, 2.521, 2.521, 2.537, 2.536,\n> > -                            2.499, 2.488, 2.488, 2.488, 2.471, 2.462,\n2.509, 2.539, 2.539, 2.532, 2.498, 2.498, 2.518, 2.518, 2.539, 2.539,\n> > -                            2.483, 2.484, 2.488, 2.488, 2.502, 2.496,\n2.508, 2.514, 2.518, 2.517, 2.521, 2.518, 2.518, 2.518, 2.525, 2.539,\n> > -                            2.483, 2.487, 2.478, 2.478, 2.507, 2.509,\n2.514, 2.513, 2.514, 2.517, 2.536, 2.559, 2.501, 2.501, 2.503, 2.525\n> > +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n1, 1,\n> > +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n1, 1,\n> > +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n1, 1,\n> > +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n1, 1,\n> > +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n1, 1,\n> > +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n1, 1,\n> > +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n1, 1,\n> > +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n1, 1,\n> > +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n1, 1,\n> > +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n1, 1,\n> > +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n1, 1,\n> > +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n1, 1\n> >                          ]\n> >                      }\n> >                  ],\n> > @@ -143,18 +143,18 @@\n> >                          \"ct\": 4000,\n> >                          \"table\":\n> >                          [\n> > -                            2.619, 2.603, 2.599, 2.597, 2.595, 2.594,\n2.589, 2.587, 2.586, 2.589, 2.592, 2.597, 2.601, 2.608, 2.621, 2.621,\n> > -                            2.619, 2.615, 2.603, 2.601, 2.596, 2.595,\n2.591, 2.589, 2.589, 2.592, 2.599, 2.593, 2.601, 2.613, 2.622, 2.631,\n> > -                            2.617, 2.617, 2.612, 2.611, 2.604, 2.598,\n2.593, 2.591, 2.592, 2.591, 2.593, 2.595, 2.599, 2.614, 2.623, 2.631,\n> > -                            2.624, 2.619, 2.615, 2.612, 2.605, 2.602,\n2.597, 2.596, 2.592, 2.592, 2.595, 2.599, 2.602, 2.606, 2.619, 2.624,\n> > -                            2.629, 2.627, 2.627, 2.617, 2.609, 2.598,\n2.612, 2.623, 2.615, 2.604, 2.589, 2.595, 2.599, 2.608, 2.611, 2.614,\n> > -                            2.629, 2.632, 2.637, 2.627, 2.612, 2.612,\n2.629, 2.631, 2.628, 2.621, 2.604, 2.597, 2.598, 2.604, 2.609, 2.609,\n> > -                            2.635, 2.636, 2.642, 2.628, 2.623, 2.623,\n2.636, 2.636, 2.634, 2.628, 2.616, 2.599, 2.597, 2.601, 2.603, 2.601,\n> > -                            2.641, 2.639, 2.646, 2.632, 2.627, 2.625,\n2.632, 2.635, 2.634, 2.627, 2.614, 2.596, 2.595, 2.599, 2.599, 2.598,\n> > -                            2.643, 2.644, 2.651, 2.649, 2.629, 2.617,\n2.624, 2.629, 2.625, 2.614, 2.586, 2.599, 2.595, 2.597, 2.592, 2.595,\n> > -                            2.645, 2.646, 2.649, 2.649, 2.638, 2.624,\n2.616, 2.617, 2.609, 2.604, 2.603, 2.603, 2.595, 2.589, 2.587, 2.592,\n> > -                            2.641, 2.643, 2.649, 2.647, 2.638, 2.618,\n2.615, 2.608, 2.602, 2.595, 2.596, 2.595, 2.593, 2.584, 2.581, 2.583,\n> > -                            2.638, 2.637, 2.647, 2.634, 2.634, 2.618,\n2.621, 2.621, 2.611, 2.602, 2.596, 2.583, 2.581, 2.581, 2.576, 2.574\n> > +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n1, 1,\n> > +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n1, 1,\n> > +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n1, 1,\n> > +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n1, 1,\n> > +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n1, 1,\n> > +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n1, 1,\n> > +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n1, 1,\n> > +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n1, 1,\n> > +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n1, 1,\n> > +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n1, 1,\n> > +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n1, 1,\n> > +                            1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\n1, 1\n> >                          ]\n> >                      }\n> >                  ],\n> > --\n> > 2.34.1\n> >","headers":{"Return-Path":"<libcamera-devel-bounces@lists.libcamera.org>","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 371AAC323E\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri,  7 Jul 2023 12:22:08 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby 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