[src/trunk]: src/sys/external/bsd/drm2/dist/drm/scheduler drm/scheduler: Rele...

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/c75a53a03a51
branches:  trunk
changeset: 1028954:c75a53a03a51
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Sun Dec 19 12:34:24 2021 +0000

description:
drm/scheduler: Release job list lock arond kthread_parkme.

diffstat:

 sys/external/bsd/drm2/dist/drm/scheduler/sched_main.c |  7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diffs (30 lines):

diff -r 122b8b2a450a -r c75a53a03a51 sys/external/bsd/drm2/dist/drm/scheduler/sched_main.c
--- a/sys/external/bsd/drm2/dist/drm/scheduler/sched_main.c     Sun Dec 19 12:34:16 2021 +0000
+++ b/sys/external/bsd/drm2/dist/drm/scheduler/sched_main.c     Sun Dec 19 12:34:24 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: sched_main.c,v 1.5 2021/12/19 12:32:45 riastradh Exp $ */
+/*     $NetBSD: sched_main.c,v 1.6 2021/12/19 12:34:24 riastradh Exp $ */
 
 /*
  * Copyright 2015 Advanced Micro Devices, Inc.
@@ -47,7 +47,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sched_main.c,v 1.5 2021/12/19 12:32:45 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sched_main.c,v 1.6 2021/12/19 12:34:24 riastradh Exp $");
 
 #include <linux/kthread.h>
 #include <linux/wait.h>
@@ -728,8 +728,11 @@
  */
 static bool drm_sched_blocked(struct drm_gpu_scheduler *sched)
 {
+       assert_spin_locked(&sched->job_list_lock);
        if (kthread_should_park()) {
+               spin_unlock(&sched->job_list_lock);
                kthread_parkme();
+               spin_lock(&sched->job_list_lock);
                return true;
        }