brcm2708: update to latest patches from RPi Foundation

[openwrt/staging/chunkeey.git] / target / linux / brcm2708 / patches-4.19 / 950-0237-staging-mmal-vchiq-Make-timeout-a-defined-parameter.patch

diff --git a/target/linux/brcm2708/patches-4.19/950-0237-staging-mmal-vchiq-Make-timeout-a-defined-parameter.patch b/target/linux/brcm2708/patches-4.19/950-0237-staging-mmal-vchiq-Make-timeout-a-defined-parameter.patch
new file mode 100644 (file)
index 0000000..dd65541
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0237-staging-mmal-vchiq-Make-timeout-a-defined-parameter.patch
@@ -0,0 +1,38 @@
+From 301a6a16ec8a8b1a7b89c0cc6df30e79a460214a 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
+@@ -44,6 +44,12 @@ 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
+@@ -692,7 +698,7 @@ 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;