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authorÁlvaro Fernández Rojas <noltari@gmail.com>2021-02-18 18:04:33 +0100
committerÁlvaro Fernández Rojas <noltari@gmail.com>2021-02-18 23:42:32 +0100
commitf07e572f6447465d8938679533d604e402b0f066 (patch)
treecb333bd2a67e59e7c07659514850a0fd55fc825e /target/linux/bcm27xx/patches-5.4/950-0737-staging-vc04_services-bcm2835-codec-Avoid-fragmentin.patch
parent5d3a6fd970619dfc55f8259035c3027d7613a2a6 (diff)
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bcm27xx: import latest patches from the RPi foundation
bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G bcm2710: boot tested on RPi 3B v1.2 bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0737-staging-vc04_services-bcm2835-codec-Avoid-fragmentin.patch')
-rw-r--r--target/linux/bcm27xx/patches-5.4/950-0737-staging-vc04_services-bcm2835-codec-Avoid-fragmentin.patch32
1 files changed, 32 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0737-staging-vc04_services-bcm2835-codec-Avoid-fragmentin.patch b/target/linux/bcm27xx/patches-5.4/950-0737-staging-vc04_services-bcm2835-codec-Avoid-fragmentin.patch
new file mode 100644
index 0000000000..da273ca65b
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0737-staging-vc04_services-bcm2835-codec-Avoid-fragmentin.patch
@@ -0,0 +1,32 @@
+From 39956d31d19658af7a0759e05366d4bc1c04a50a Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.com>
+Date: Fri, 15 May 2020 13:47:13 +0100
+Subject: [PATCH] staging:vc04_services: bcm2835-codec: Avoid
+ fragmenting buffers
+
+The firmware by default is quite happy to fragment encoded
+frames as the original MMAL and IL APIs support this.
+V4L2 doesn't, so we need to enable the firmware option to avoid this.
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
+---
+ .../vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c | 8 ++++++++
+ 1 file changed, 8 insertions(+)
+
+--- a/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
++++ b/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
+@@ -1972,6 +1972,14 @@ static int bcm2835_codec_create_componen
+ &ctx->component->control,
+ MMAL_PARAMETER_VIDEO_ENCODE_HEADERS_WITH_FRAME,
+ &param, sizeof(param));
++ /*
++ * Avoid fragmenting the buffers over multiple frames (unless
++ * the frame is bigger than the whole buffer)
++ */
++ vchiq_mmal_port_parameter_set(ctx->dev->instance,
++ &ctx->component->control,
++ MMAL_PARAMETER_MINIMISE_FRAGMENTATION,
++ &param, sizeof(param));
+ } else {
+ if (ctx->q_data[V4L2_M2M_DST].sizeimage <
+ ctx->component->output[0].minimum_buffer.size)