Module Name: src
Committed By: riastradh
Date: Sun Dec 19 12:09:27 UTC 2021
Modified Files:
src/sys/external/bsd/drm2/linux: linux_dma_fence.c
Log Message:
drm: Skip enabling signalling for fence if already signalled.
To generate a diff of this commit:
cvs rdiff -u -r1.21 -r1.22 src/sys/external/bsd/drm2/linux/linux_dma_fence.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/external/bsd/drm2/linux/linux_dma_fence.c
diff -u src/sys/external/bsd/drm2/linux/linux_dma_fence.c:1.21 src/sys/external/bsd/drm2/linux/linux_dma_fence.c:1.22
--- src/sys/external/bsd/drm2/linux/linux_dma_fence.c:1.21 Sun Dec 19 12:09:19 2021
+++ src/sys/external/bsd/drm2/linux/linux_dma_fence.c Sun Dec 19 12:09:27 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: linux_dma_fence.c,v 1.21 2021/12/19 12:09:19 riastradh Exp $ */
+/* $NetBSD: linux_dma_fence.c,v 1.22 2021/12/19 12:09:27 riastradh Exp $ */
/*-
* Copyright (c) 2018 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: linux_dma_fence.c,v 1.21 2021/12/19 12:09:19 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: linux_dma_fence.c,v 1.22 2021/12/19 12:09:27 riastradh Exp $");
#include <sys/atomic.h>
#include <sys/condvar.h>
@@ -465,7 +465,8 @@ dma_fence_enable_sw_signaling(struct dma
KASSERT(dma_fence_referenced_p(fence));
spin_lock(fence->lock);
- (void)dma_fence_ensure_signal_enabled(fence);
+ if ((fence->flags & (1u << DMA_FENCE_FLAG_SIGNALED_BIT)) == 0)
+ (void)dma_fence_ensure_signal_enabled(fence);
spin_unlock(fence->lock);
}
