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Diffstat (limited to 'target/linux/bcm27xx/patches-5.15/950-0493-staging-bcm2835-codec-Allow-custom-specified-strides.patch')
-rw-r--r--target/linux/bcm27xx/patches-5.15/950-0493-staging-bcm2835-codec-Allow-custom-specified-strides.patch39
1 files changed, 39 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.15/950-0493-staging-bcm2835-codec-Allow-custom-specified-strides.patch b/target/linux/bcm27xx/patches-5.15/950-0493-staging-bcm2835-codec-Allow-custom-specified-strides.patch
new file mode 100644
index 0000000000..e262d61b85
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.15/950-0493-staging-bcm2835-codec-Allow-custom-specified-strides.patch
@@ -0,0 +1,39 @@
+From f4d34546637944b30ef09e96aa84802d7d69e72c Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.com>
+Date: Sat, 11 Sep 2021 17:21:07 +0100
+Subject: [PATCH] staging: bcm2835-codec: Allow custom specified
+ strides/bytesperline.
+
+If the client provides a bytesperline value in try_fmt/s_fmt then
+validate it and correct if necessary.
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
+---
+ .../vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c | 8 ++++++--
+ 1 file changed, 6 insertions(+), 2 deletions(-)
+
+--- a/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
++++ b/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
+@@ -1347,7 +1347,7 @@ 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;
++ unsigned int sizeimage, min_bytesperline;
+
+ /*
+ * The V4L2 specification requires the driver to correct the format
+@@ -1375,8 +1375,12 @@ static int vidioc_try_fmt(struct bcm2835
+ f->fmt.pix_mp.height = ALIGN(f->fmt.pix_mp.height, 16);
+ }
+ f->fmt.pix_mp.num_planes = 1;
++ min_bytesperline = get_bytesperline(f->fmt.pix_mp.width, fmt);
++ if (f->fmt.pix_mp.plane_fmt[0].bytesperline < min_bytesperline)
++ f->fmt.pix_mp.plane_fmt[0].bytesperline = min_bytesperline;
+ f->fmt.pix_mp.plane_fmt[0].bytesperline =
+- get_bytesperline(f->fmt.pix_mp.width, fmt);
++ ALIGN(f->fmt.pix_mp.plane_fmt[0].bytesperline, fmt->bytesperline_align);
++
+ sizeimage = get_sizeimage(f->fmt.pix_mp.plane_fmt[0].bytesperline,
+ f->fmt.pix_mp.width, f->fmt.pix_mp.height,
+ fmt);