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-rw-r--r--meta-rcar-gen3/recipes-kernel/kernel-module-vsp2driver/kernel-module-vsp2driver.bb2
-rw-r--r--meta-rcar-gen3/recipes-kernel/kernel-module-vsp2driver/kernel-module-vsp2driver/0001-Handle-data_offset-setting-from-V4L2-API.patch29
2 files changed, 31 insertions, 0 deletions
diff --git a/meta-rcar-gen3/recipes-kernel/kernel-module-vsp2driver/kernel-module-vsp2driver.bb b/meta-rcar-gen3/recipes-kernel/kernel-module-vsp2driver/kernel-module-vsp2driver.bb
index c3c3233..be8f8e0 100644
--- a/meta-rcar-gen3/recipes-kernel/kernel-module-vsp2driver/kernel-module-vsp2driver.bb
+++ b/meta-rcar-gen3/recipes-kernel/kernel-module-vsp2driver/kernel-module-vsp2driver.bb
@@ -21,6 +21,8 @@ SRCREV = "0ecf35aa05c103ba4d3ab83e3320a22fccd912c3"
SRC_URI = "${VSP2DRIVER_URL};branch=${BRANCH}"
+SRC_URI_append = " file://0001-Handle-data_offset-setting-from-V4L2-API.patch"
+
S = "${WORKDIR}/git"
# Build VSP2 driver kernel module without suffix
diff --git a/meta-rcar-gen3/recipes-kernel/kernel-module-vsp2driver/kernel-module-vsp2driver/0001-Handle-data_offset-setting-from-V4L2-API.patch b/meta-rcar-gen3/recipes-kernel/kernel-module-vsp2driver/kernel-module-vsp2driver/0001-Handle-data_offset-setting-from-V4L2-API.patch
new file mode 100644
index 0000000..3aab174
--- /dev/null
+++ b/meta-rcar-gen3/recipes-kernel/kernel-module-vsp2driver/kernel-module-vsp2driver/0001-Handle-data_offset-setting-from-V4L2-API.patch
@@ -0,0 +1,29 @@
+From 50dd867589931beef05dbcdb17a37a8a678e4b13 Mon Sep 17 00:00:00 2001
+From: Damian Hobson-Garcia <dhobsong@igel.co.jp>
+Date: Fri, 10 May 2019 13:34:42 +0900
+Subject: [PATCH] Handle data_offset setting from V4L2 API
+
+The data in each buffer does not necessarily start at the
+beginning of the buffer. Adjust as necessary according to
+the data_offset field specified from user space.
+---
+ vsp2driver/vsp2_video.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/vsp2driver/vsp2_video.c b/vsp2driver/vsp2_video.c
+index 8875578..0abf81c 100644
+--- a/vsp2driver/vsp2_video.c
++++ b/vsp2driver/vsp2_video.c
+@@ -764,7 +764,8 @@ static int vsp2_video_buffer_prepare(struct vb2_buffer *vb)
+ }
+
+ for (i = 0; i < vb->num_planes; ++i) {
+- buf->mem.addr[i] = vb2_dma_contig_plane_dma_addr(vb, i);
++ buf->mem.addr[i] = vb2_dma_contig_plane_dma_addr(vb, i) +
++ vb->planes[i].data_offset;
+
+ if (vb2_plane_size(vb, i) < format->plane_fmt[i].sizeimage)
+ return -EINVAL;
+--
+2.17.1
+