diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0169-staging-mmal-vchiq-Make-timeout-a-defined-parameter.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0169-staging-mmal-vchiq-Make-timeout-a-defined-parameter.patch | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0169-staging-mmal-vchiq-Make-timeout-a-defined-parameter.patch b/target/linux/bcm27xx/patches-5.4/950-0169-staging-mmal-vchiq-Make-timeout-a-defined-parameter.patch new file mode 100644 index 0000000000..fa37fff35f --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0169-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; |