Module Name:    src
Committed By:   riastradh
Date:           Sun Dec 19 11:57:54 UTC 2021

Modified Files:
        src/sys/external/bsd/drm2/dist/drm/i915: i915_active.c

Log Message:
i915: Flail harder to work around the bad thing that went wrong.


To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 \
    src/sys/external/bsd/drm2/dist/drm/i915/i915_active.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/dist/drm/i915/i915_active.c
diff -u src/sys/external/bsd/drm2/dist/drm/i915/i915_active.c:1.4 src/sys/external/bsd/drm2/dist/drm/i915/i915_active.c:1.5
--- src/sys/external/bsd/drm2/dist/drm/i915/i915_active.c:1.4	Sun Dec 19 11:52:07 2021
+++ src/sys/external/bsd/drm2/dist/drm/i915/i915_active.c	Sun Dec 19 11:57:54 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: i915_active.c,v 1.4 2021/12/19 11:52:07 riastradh Exp $	*/
+/*	$NetBSD: i915_active.c,v 1.5 2021/12/19 11:57:54 riastradh Exp $	*/
 
 /*
  * SPDX-License-Identifier: MIT
@@ -7,7 +7,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: i915_active.c,v 1.4 2021/12/19 11:52:07 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: i915_active.c,v 1.5 2021/12/19 11:57:54 riastradh Exp $");
 
 #include <linux/debugobjects.h>
 
@@ -854,12 +854,14 @@ void i915_request_add_active_barriers(st
 		smp_store_mb(*ll_to_fence_slot(node), &rq->fence);
 #ifdef __NetBSD__
 		spin_unlock(&rq->lock);
-		struct i915_active_fence *fence =
+		struct i915_active_fence *active =
 		    container_of(node, struct i915_active_fence, llist);
 		/* XXX something bad went wrong in making this code */
-		KASSERT(fence->cb.func == node_retire);
-		(void)dma_fence_add_callback(fence->fence, &fence->cb,
-		    node_retire);
+		KASSERT(active->cb.func == node_retire ||
+		    active->cb.func == excl_retire ||
+		    active->cb.func == i915_active_noop);
+		(void)dma_fence_add_callback(active->fence, &active->cb,
+		    active->cb.func);
 		spin_lock(&rq->lock);
 #else
 		list_add_tail((struct list_head *)node, &rq->fence.cb_list);
@@ -917,7 +919,9 @@ __i915_active_fence_set(struct i915_acti
 	if (prev) {
 		GEM_BUG_ON(prev == fence);
 #ifdef __NetBSD__
-		KASSERT(active->cb.func == node_retire);
+		KASSERT(active->cb.func == node_retire ||
+		    active->cb.func == excl_retire ||
+		    active->cb.func == i915_active_noop);
 		(void)dma_fence_remove_callback(prev, &active->cb);
 #else
 		spin_lock_nested(prev->lock, SINGLE_DEPTH_NESTING);
@@ -932,7 +936,9 @@ __i915_active_fence_set(struct i915_acti
 	spin_unlock_irqrestore(fence->lock, flags);
 
 #ifdef __NetBSD__
-	KASSERT(active->cb.func == node_retire);
+	KASSERT(active->cb.func == node_retire ||
+	    active->cb.func == excl_retire ||
+	    active->cb.func == i915_active_noop);
 	dma_fence_add_callback(fence, &active->cb, node_retire);
 #endif
 

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