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