aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/bcm27xx/patches-5.4/950-0196-staging-bcm2835-codec-Remove-height-padding-for-ISP-.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0196-staging-bcm2835-codec-Remove-height-padding-for-ISP-.patch')
-rw-r--r--target/linux/bcm27xx/patches-5.4/950-0196-staging-bcm2835-codec-Remove-height-padding-for-ISP-.patch61
1 files changed, 61 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0196-staging-bcm2835-codec-Remove-height-padding-for-ISP-.patch b/target/linux/bcm27xx/patches-5.4/950-0196-staging-bcm2835-codec-Remove-height-padding-for-ISP-.patch
new file mode 100644
index 0000000000..7a94ffa663
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0196-staging-bcm2835-codec-Remove-height-padding-for-ISP-.patch
@@ -0,0 +1,61 @@
+From 03b7c70e9164f7b7f0af0cf0b79e689ef97e796b Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.org>
+Date: Thu, 2 May 2019 14:32:21 +0100
+Subject: [PATCH] staging: bcm2835-codec: Remove height padding for ISP
+ role
+
+The ISP has no need for heights to be a multiple of macroblock
+sizes, therefore doesn't require the align on the height.
+Remove it for the ISP role. (It is required for the codecs).
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
+---
+ .../bcm2835-codec/bcm2835-v4l2-codec.c | 13 ++++++++-----
+ 1 file changed, 8 insertions(+), 5 deletions(-)
+
+--- a/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
++++ b/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
+@@ -1015,7 +1015,8 @@ static int vidioc_g_fmt_vid_cap(struct f
+ return vidioc_g_fmt(file2ctx(file), f);
+ }
+
+-static int vidioc_try_fmt(struct v4l2_format *f, struct bcm2835_codec_fmt *fmt)
++static int vidioc_try_fmt(struct bcm2835_codec_ctx *ctx, struct v4l2_format *f,
++ struct bcm2835_codec_fmt *fmt)
+ {
+ /*
+ * The V4L2 specification requires the driver to correct the format
+@@ -1034,11 +1035,13 @@ static int vidioc_try_fmt(struct v4l2_fo
+ f->fmt.pix.height = MIN_H;
+
+ /*
+- * Buffer must have a vertical alignment of 16 lines.
++ * For codecs the buffer must have a vertical alignment of 16
++ * lines.
+ * The selection will reflect any cropping rectangle when only
+ * some of the pixels are active.
+ */
+- f->fmt.pix.height = ALIGN(f->fmt.pix.height, 16);
++ if (ctx->dev->role != ISP)
++ f->fmt.pix.height = ALIGN(f->fmt.pix.height, 16);
+ }
+ f->fmt.pix.bytesperline = get_bytesperline(f->fmt.pix.width,
+ fmt);
+@@ -1065,7 +1068,7 @@ static int vidioc_try_fmt_vid_cap(struct
+ fmt = find_format(f, ctx->dev, true);
+ }
+
+- return vidioc_try_fmt(f, fmt);
++ return vidioc_try_fmt(ctx, f, fmt);
+ }
+
+ static int vidioc_try_fmt_vid_out(struct file *file, void *priv,
+@@ -1084,7 +1087,7 @@ static int vidioc_try_fmt_vid_out(struct
+ if (!f->fmt.pix.colorspace)
+ f->fmt.pix.colorspace = ctx->colorspace;
+
+- return vidioc_try_fmt(f, fmt);
++ return vidioc_try_fmt(ctx, f, fmt);
+ }
+
+ static int vidioc_s_fmt(struct bcm2835_codec_ctx *ctx, struct v4l2_format *f,