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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-02-24 08:39:55 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-02-24 08:39:55 +0100
commitba08cf452f3493e96793c9fec4ebb45e7101a0c0 (patch)
tree61200038de5d9c6ba50dadfa7f065d029fa06174 /drivers/gpu/drm/i915/i915_vma.c
parente24cd4e6d6aa3ca741cdfdfc01118c4016acebea (diff)
parentf8788d86ab28f61f7b46eb6be375f8a726783636 (diff)
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Merge 5.6-rc3 into tty-next
We want the tty fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_vma.c')
-rw-r--r--drivers/gpu/drm/i915/i915_vma.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c
index 17d7c525ea5c..4ff380770b32 100644
--- a/drivers/gpu/drm/i915/i915_vma.c
+++ b/drivers/gpu/drm/i915/i915_vma.c
@@ -1202,16 +1202,26 @@ int __i915_vma_unbind(struct i915_vma *vma)
if (ret)
return ret;
- GEM_BUG_ON(i915_vma_is_active(vma));
if (i915_vma_is_pinned(vma)) {
vma_print_allocator(vma, "is pinned");
return -EAGAIN;
}
- GEM_BUG_ON(i915_vma_is_active(vma));
+ /*
+ * After confirming that no one else is pinning this vma, wait for
+ * any laggards who may have crept in during the wait (through
+ * a residual pin skipping the vm->mutex) to complete.
+ */
+ ret = i915_vma_sync(vma);
+ if (ret)
+ return ret;
+
if (!drm_mm_node_allocated(&vma->node))
return 0;
+ GEM_BUG_ON(i915_vma_is_pinned(vma));
+ GEM_BUG_ON(i915_vma_is_active(vma));
+
if (i915_vma_is_map_and_fenceable(vma)) {
/*
* Check that we have flushed all writes through the GGTT