[src/trunk]: src/sys/external/bsd/drm2/dist/drm/i915 i915: Add waiter to list...

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

details:   https://anonhg.NetBSD.org/src/rev/82f35e77408b
branches:  trunk
changeset: 1028744:82f35e77408b
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Sun Dec 19 11:54:57 2021 +0000

description:
i915: Add waiter to list so we will actually get woken!

diffstat:

 sys/external/bsd/drm2/dist/drm/i915/i915_sw_fence.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (34 lines):

diff -r 386efab8bb3d -r 82f35e77408b sys/external/bsd/drm2/dist/drm/i915/i915_sw_fence.c
--- a/sys/external/bsd/drm2/dist/drm/i915/i915_sw_fence.c       Sun Dec 19 11:54:48 2021 +0000
+++ b/sys/external/bsd/drm2/dist/drm/i915/i915_sw_fence.c       Sun Dec 19 11:54:57 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: i915_sw_fence.c,v 1.3 2021/12/19 11:36:08 riastradh Exp $      */
+/*     $NetBSD: i915_sw_fence.c,v 1.4 2021/12/19 11:54:57 riastradh Exp $      */
 
 /*
  * SPDX-License-Identifier: MIT
@@ -7,7 +7,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: i915_sw_fence.c,v 1.3 2021/12/19 11:36:08 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: i915_sw_fence.c,v 1.4 2021/12/19 11:54:57 riastradh Exp $");
 
 #include <linux/slab.h>
 #include <linux/dma-fence.h>
@@ -184,7 +184,6 @@
        struct i915_sw_fence_wq sfw;
        int ret;
 
-       INIT_LIST_HEAD(&waiter.entry);
        waiter.flags = 0;
        waiter.func = autoremove_wake_function;
        waiter.private = &sfw;
@@ -193,6 +192,7 @@
        DRM_INIT_WAITQUEUE(&sfw.wq, "i915swf");
 
        spin_lock(&fence->wait.lock);
+       list_add_tail(&waiter.entry, &fence->wait.head);
        DRM_SPIN_WAIT_NOINTR_UNTIL(ret, &sfw.wq, &fence->wait.lock,
            i915_sw_fence_done(fence));
        spin_unlock(&fence->wait.lock);