diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0627-bcm2835-Allow-compressed-frames-to-set-sizeimage-438.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.10/950-0627-bcm2835-Allow-compressed-frames-to-set-sizeimage-438.patch | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0627-bcm2835-Allow-compressed-frames-to-set-sizeimage-438.patch b/target/linux/bcm27xx/patches-5.10/950-0627-bcm2835-Allow-compressed-frames-to-set-sizeimage-438.patch new file mode 100644 index 0000000000..c0c86bd8cd --- /dev/null +++ b/target/linux/bcm27xx/patches-5.10/950-0627-bcm2835-Allow-compressed-frames-to-set-sizeimage-438.patch @@ -0,0 +1,47 @@ +From 9eaafa9f93c9a97498b73583a70b9e238cbe4536 Mon Sep 17 00:00:00 2001 +From: jc-kynesim <jc@kynesim.co.uk> +Date: Fri, 11 Jun 2021 15:14:31 +0100 +Subject: [PATCH] bcm2835: Allow compressed frames to set sizeimage + (#4386) + +Allow the user to set sizeimage in TRY_FMT and S_FMT if the format +flags have V4L2_FMT_FLAG_COMPRESSED set + +Signed-off-by: John Cox <jc@kynesim.co.uk> +--- + .../bcm2835-codec/bcm2835-v4l2-codec.c | 17 ++++++++++++++--- + 1 file changed, 14 insertions(+), 3 deletions(-) + +--- a/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c ++++ b/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c +@@ -1291,6 +1291,8 @@ static int vidioc_g_fmt_vid_cap(struct f + static int vidioc_try_fmt(struct bcm2835_codec_ctx *ctx, struct v4l2_format *f, + struct bcm2835_codec_fmt *fmt) + { ++ unsigned int sizeimage; ++ + /* + * The V4L2 specification requires the driver to correct the format + * struct if any of the dimensions is unsupported +@@ -1319,9 +1321,18 @@ static int vidioc_try_fmt(struct bcm2835 + f->fmt.pix_mp.num_planes = 1; + f->fmt.pix_mp.plane_fmt[0].bytesperline = + get_bytesperline(f->fmt.pix_mp.width, fmt); +- f->fmt.pix_mp.plane_fmt[0].sizeimage = +- get_sizeimage(f->fmt.pix_mp.plane_fmt[0].bytesperline, +- f->fmt.pix_mp.width, f->fmt.pix_mp.height, fmt); ++ sizeimage = get_sizeimage(f->fmt.pix_mp.plane_fmt[0].bytesperline, ++ f->fmt.pix_mp.width, f->fmt.pix_mp.height, ++ fmt); ++ /* ++ * Drivers must set sizeimage for uncompressed formats ++ * Compressed formats allow the client to request an alternate ++ * size for the buffer. ++ */ ++ if (!(fmt->flags & V4L2_FMT_FLAG_COMPRESSED) || ++ f->fmt.pix_mp.plane_fmt[0].sizeimage < sizeimage) ++ f->fmt.pix_mp.plane_fmt[0].sizeimage = sizeimage; ++ + memset(f->fmt.pix_mp.plane_fmt[0].reserved, 0, + sizeof(f->fmt.pix_mp.plane_fmt[0].reserved)); + |