From: Dorota Czaplejewicz <dorota.czaplejewicz@puri.sm> To: Steve Longerbeam <slongerbeam@gmail.com>, Philipp Zabel <p.zabel@pengutronix.de>, Mauro Carvalho Chehab <mchehab@kernel.org>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Shawn Guo <shawnguo@kernel.org>, Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix Kernel Team <kernel@pengutronix.de>, Fabio Estevam <festevam@gmail.com>, NXP Linux Team <linux-imx@nxp.com>, linux-media@vger.kernel.org, linux-staging@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: kernel@puri.sm, phone-devel@vger.kernel.org Subject: [PATCH] media: imx: Round line size to 4 bytes Date: Wed, 6 Oct 2021 13:05:44 +0200 [thread overview] Message-ID: <20211006110207.256325-1-dorota.czaplejewicz@puri.sm> (raw) [-- Attachment #1: Type: text/plain, Size: 1419 bytes --] Section 13.7.6.13 "CSI Image Parameter Register" of the i.MX 8M Quad Applications Processors Reference Manual states that the line size should be divisible by 8 bytes. However, the hardware also accepts sizes divisible by 4 bytes. This patch accepts line sizes divisible 4-bytes in non-planar mode. Signed-off-by: Dorota Czaplejewicz <dorota.czaplejewicz@puri.sm> --- Hello, my previous patch identified something that was not a problem, so I'm sending a different one. This has been tested on the Librem 5. Cheers, Dorota drivers/staging/media/imx/imx-media-utils.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/media/imx/imx-media-utils.c b/drivers/staging/media/imx/imx-media-utils.c index 5128915a5d6f..a303003929e3 100644 --- a/drivers/staging/media/imx/imx-media-utils.c +++ b/drivers/staging/media/imx/imx-media-utils.c @@ -545,13 +545,13 @@ int imx_media_mbus_fmt_to_pix_fmt(struct v4l2_pix_format *pix, } /* Round up width for minimum burst size */ - width = round_up(mbus->width, 8); + width = round_up(mbus->width, 4); /* Round up stride for IDMAC line start address alignment */ if (cc->planar) stride = round_up(width, 16); else - stride = round_up((width * cc->bpp) >> 3, 8); + stride = round_up((width * cc->bpp) >> 3, 4); pix->width = width; pix->height = mbus->height; -- 2.31.1 [-- Attachment #2: OpenPGP digital signature --] [-- Type: application/pgp-signature, Size: 833 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: Dorota Czaplejewicz <dorota.czaplejewicz@puri.sm> To: Steve Longerbeam <slongerbeam@gmail.com>, Philipp Zabel <p.zabel@pengutronix.de>, Mauro Carvalho Chehab <mchehab@kernel.org>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Shawn Guo <shawnguo@kernel.org>, Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix Kernel Team <kernel@pengutronix.de>, Fabio Estevam <festevam@gmail.com>, NXP Linux Team <linux-imx@nxp.com>, linux-media@vger.kernel.org, linux-staging@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: kernel@puri.sm, phone-devel@vger.kernel.org Subject: [PATCH] media: imx: Round line size to 4 bytes Date: Wed, 6 Oct 2021 13:05:44 +0200 [thread overview] Message-ID: <20211006110207.256325-1-dorota.czaplejewicz@puri.sm> (raw) [-- Attachment #1.1: Type: text/plain, Size: 1419 bytes --] Section 13.7.6.13 "CSI Image Parameter Register" of the i.MX 8M Quad Applications Processors Reference Manual states that the line size should be divisible by 8 bytes. However, the hardware also accepts sizes divisible by 4 bytes. This patch accepts line sizes divisible 4-bytes in non-planar mode. Signed-off-by: Dorota Czaplejewicz <dorota.czaplejewicz@puri.sm> --- Hello, my previous patch identified something that was not a problem, so I'm sending a different one. This has been tested on the Librem 5. Cheers, Dorota drivers/staging/media/imx/imx-media-utils.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/media/imx/imx-media-utils.c b/drivers/staging/media/imx/imx-media-utils.c index 5128915a5d6f..a303003929e3 100644 --- a/drivers/staging/media/imx/imx-media-utils.c +++ b/drivers/staging/media/imx/imx-media-utils.c @@ -545,13 +545,13 @@ int imx_media_mbus_fmt_to_pix_fmt(struct v4l2_pix_format *pix, } /* Round up width for minimum burst size */ - width = round_up(mbus->width, 8); + width = round_up(mbus->width, 4); /* Round up stride for IDMAC line start address alignment */ if (cc->planar) stride = round_up(width, 16); else - stride = round_up((width * cc->bpp) >> 3, 8); + stride = round_up((width * cc->bpp) >> 3, 4); pix->width = width; pix->height = mbus->height; -- 2.31.1 [-- Attachment #1.2: OpenPGP digital signature --] [-- Type: application/pgp-signature, Size: 833 bytes --] [-- Attachment #2: Type: text/plain, Size: 176 bytes --] _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next reply other threads:[~2021-10-06 11:11 UTC|newest] Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-10-06 11:05 Dorota Czaplejewicz [this message] 2021-10-06 11:05 ` [PATCH] media: imx: Round line size to 4 bytes Dorota Czaplejewicz 2021-10-08 12:19 ` Philipp Zabel 2021-10-08 12:19 ` Philipp Zabel 2021-10-13 9:26 ` Dorota Czaplejewicz 2021-10-13 9:26 ` Dorota Czaplejewicz 2021-10-14 11:26 ` Philipp Zabel 2021-10-14 11:26 ` Philipp Zabel 2021-10-17 11:07 ` Dorota Czaplejewicz 2021-10-17 11:07 ` Dorota Czaplejewicz 2021-10-18 10:21 ` Philipp Zabel 2021-10-18 10:21 ` Philipp Zabel
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