[Intel-gfx] [PATCH] sound/hda/hdac_i915: reduce the timeout for component binding

From: Ramalingam C <ramalingam.c@intel.com>
To: intel-gfx <intel-gfx@lists.freedesktop.org>
Subject: [Intel-gfx] [PATCH] sound/hda/hdac_i915: reduce the timeout for component binding
Date: Tue, 22 Feb 2022 22:34:13 +0530	[thread overview]
Message-ID: <20220222170413.5579-1-ramalingam.c@intel.com> (raw)

To avoid the kernel taint for kworker being blocked for more than 30sec
lets reduce the wait to 30Sec.

<3>[   60.946316] INFO: task kworker/11:1:104 blocked for more than 30
seconds.
<3>[   60.946479]       Tainted: G        W
5.17.0-rc5-CI-CI_DRM_11265+ #1
<3>[   60.946580] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
<6>[   60.946688] task:kworker/11:1    state:D stack:14192 pid:  104
ppid:     2 flags:0x00004000
<6>[   60.946713] Workqueue: events azx_probe_work [snd_hda_intel]
<6>[   60.946740] Call Trace:
<6>[   60.946745]  <TASK>
<6>[   60.946763]  __schedule+0x42c/0xa80
<6>[   60.946797]  schedule+0x3f/0xc0
<6>[   60.946811]  schedule_timeout+0x1be/0x2e0
<6>[   60.946829]  ? del_timer_sync+0xb0/0xb0
<6>[   60.946849]  ? 0xffffffff81000000
<6>[   60.946864]  ? wait_for_completion_timeout+0x79/0x120
<6>[   60.946879]  wait_for_completion_timeout+0xab/0x120
<6>[   60.946906]  snd_hdac_i915_init+0xa5/0xb0 [snd_hda_core]
<6>[   60.946943]  azx_probe_work+0x71/0x84c [snd_hda_intel]
<6>[   60.946974]  process_one_work+0x275/0x5c0
<6>[   60.947010]  worker_thread+0x37/0x370
<6>[   60.947028]  ? process_one_work+0x5c0/0x5c0
<6>[   60.947038]  kthread+0xef/0x120
<6>[   60.947047]  ? kthread_complete_and_exit+0x20/0x20
<6>[   60.947065]  ret_from_fork+0x22/0x30
<6>[   60.947110]  </TASK>

Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
---
 sound/hda/hdac_i915.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/hda/hdac_i915.c b/sound/hda/hdac_i915.c
index fbca4bf53a47..d20a450a9a15 100644
--- a/sound/hda/hdac_i915.c
+++ b/sound/hda/hdac_i915.c
@@ -184,7 +184,7 @@ int snd_hdac_i915_init(struct hdac_bus *bus)
 		    !request_module("i915")) {
 			/* 60s timeout */
 			wait_for_completion_timeout(&acomp->master_bind_complete,
-						    msecs_to_jiffies(60 * 1000));
+						    msecs_to_jiffies(30 * 1000));
 		}
 	}
 	if (!acomp->ops) {
-- 
2.20.1

