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>

1 files changed, 38 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.4/950-0167-staging-mmal-vchiq-Make-timeout-a-defined-parameter.patch b/target/linux/bcm27xx/patches-5.4/950-0167-staging-mmal-vchiq-Make-timeout-a-defined-parameter.patch
new file mode 100644
index 0000000000..fa37fff35f
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0167-staging-mmal-vchiq-Make-timeout-a-defined-parameter.patch
@@ -0,0 +1,38 @@
+From e080da14485a0aba8dc364b02b7ff2c92e5a4fe8 Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.org>
+Date: Mon, 24 Sep 2018 16:57:09 +0100
+Subject: [PATCH] staging: mmal-vchiq: Make timeout a defined parameter
+
+The timeout period for VPU communications is a useful thing
+to extend when debugging.
+Set it via a define, rather than a magic number buried in the code.
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
+---
+ drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c | 8 +++++++-
+ 1 file changed, 7 insertions(+), 1 deletion(-)
+
+--- a/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
++++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
+@@ -43,6 +43,12 @@ MODULE_VERSION("0.0.1");
+  */
+ #define VCHIQ_MMAL_MAX_COMPONENTS 64
+ 
++/*
++ * Timeout for synchronous msg responses in seconds.
++ * Helpful to increase this if stopping in the VPU debugger.
++ */
++#define SYNC_MSG_TIMEOUT	3
++
+ /*#define FULL_MSG_DUMP 1*/
+ 
+ #ifdef DEBUG
+@@ -691,7 +697,7 @@ static int send_synchronous_mmal_msg(str
+ 	}
+ 
+ 	timeout = wait_for_completion_timeout(&msg_context->u.sync.cmplt,
+-					      3 * HZ);
++					      SYNC_MSG_TIMEOUT * HZ);
+ 	if (timeout == 0) {
+ 		pr_err("timed out waiting for sync completion\n");
+ 		ret = -ETIME;