[src/trunk]: src/sys/external/bsd/drm2/dist/drm/radeon radeon: Fix missing un...

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

details:   https://anonhg.NetBSD.org/src/rev/f1f1a85224f3
branches:  trunk
changeset: 1028478:f1f1a85224f3
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Sun Dec 19 11:08:25 2021 +0000

description:
radeon: Fix missing unlocks in radeon fence.

diffstat:

 sys/external/bsd/drm2/dist/drm/radeon/radeon_fence.c |  8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diffs (36 lines):

diff -r 60963a901600 -r f1f1a85224f3 sys/external/bsd/drm2/dist/drm/radeon/radeon_fence.c
--- a/sys/external/bsd/drm2/dist/drm/radeon/radeon_fence.c      Sun Dec 19 11:08:17 2021 +0000
+++ b/sys/external/bsd/drm2/dist/drm/radeon/radeon_fence.c      Sun Dec 19 11:08:25 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: radeon_fence.c,v 1.20 2021/12/19 11:08:17 riastradh Exp $      */
+/*     $NetBSD: radeon_fence.c,v 1.21 2021/12/19 11:08:25 riastradh Exp $      */
 
 /*
  * Copyright 2009 Jerome Glisse.
@@ -32,7 +32,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: radeon_fence.c,v 1.20 2021/12/19 11:08:17 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: radeon_fence.c,v 1.21 2021/12/19 11:08:25 riastradh Exp $");
 
 #include <linux/atomic.h>
 #include <linux/firmware.h>
@@ -326,6 +326,9 @@
        if (!down_read_trylock(&rdev->exclusive_lock)) {
                /* just reschedule the check if a reset is going on */
                radeon_fence_schedule_check(rdev, ring);
+#ifdef __NetBSD__
+               spin_unlock(&rdev->fence_lock);
+#endif
                return;
        }
 
@@ -524,6 +527,7 @@
                ret = dma_fence_signal_locked(&fence->base);
                if (!ret)
                        DMA_FENCE_TRACE(&fence->base, "signaled from radeon_fence_signaled\n");
+               spin_unlock(&fence->rdev->fence_lock);
                return true;
        }
        spin_unlock(&fence->rdev->fence_lock);