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8299d1f057
Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted patches, wireless patches and defconfig patches. bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 4B v1.1 4G bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
48 lines
1.8 KiB
Diff
48 lines
1.8 KiB
Diff
From 9eaafa9f93c9a97498b73583a70b9e238cbe4536 Mon Sep 17 00:00:00 2001
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From: jc-kynesim <jc@kynesim.co.uk>
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Date: Fri, 11 Jun 2021 15:14:31 +0100
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Subject: [PATCH] bcm2835: Allow compressed frames to set sizeimage
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(#4386)
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Allow the user to set sizeimage in TRY_FMT and S_FMT if the format
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flags have V4L2_FMT_FLAG_COMPRESSED set
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Signed-off-by: John Cox <jc@kynesim.co.uk>
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---
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.../bcm2835-codec/bcm2835-v4l2-codec.c | 17 ++++++++++++++---
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1 file changed, 14 insertions(+), 3 deletions(-)
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--- a/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
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+++ b/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
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@@ -1291,6 +1291,8 @@ static int vidioc_g_fmt_vid_cap(struct f
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static int vidioc_try_fmt(struct bcm2835_codec_ctx *ctx, struct v4l2_format *f,
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struct bcm2835_codec_fmt *fmt)
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{
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+ unsigned int sizeimage;
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+
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/*
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* The V4L2 specification requires the driver to correct the format
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* struct if any of the dimensions is unsupported
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@@ -1319,9 +1321,18 @@ static int vidioc_try_fmt(struct bcm2835
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f->fmt.pix_mp.num_planes = 1;
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f->fmt.pix_mp.plane_fmt[0].bytesperline =
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get_bytesperline(f->fmt.pix_mp.width, fmt);
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- f->fmt.pix_mp.plane_fmt[0].sizeimage =
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- get_sizeimage(f->fmt.pix_mp.plane_fmt[0].bytesperline,
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- f->fmt.pix_mp.width, f->fmt.pix_mp.height, fmt);
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+ sizeimage = get_sizeimage(f->fmt.pix_mp.plane_fmt[0].bytesperline,
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+ f->fmt.pix_mp.width, f->fmt.pix_mp.height,
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+ fmt);
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+ /*
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+ * Drivers must set sizeimage for uncompressed formats
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+ * Compressed formats allow the client to request an alternate
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+ * size for the buffer.
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+ */
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+ if (!(fmt->flags & V4L2_FMT_FLAG_COMPRESSED) ||
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+ f->fmt.pix_mp.plane_fmt[0].sizeimage < sizeimage)
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+ f->fmt.pix_mp.plane_fmt[0].sizeimage = sizeimage;
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+
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memset(f->fmt.pix_mp.plane_fmt[0].reserved, 0,
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sizeof(f->fmt.pix_mp.plane_fmt[0].reserved));
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