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-rw-r--r--drivers/gpu/drm/i915/i915_gem.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 9fd28ebe0aa..3fe108b7e2f 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1880,8 +1880,20 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
ret = i915_gem_object_set_domain(obj,
obj->pending_read_domains,
obj->pending_write_domain);
- if (ret)
+ if (ret) {
+ /* As we've partially updated domains on our buffers,
+ * we have to emit the flush we've accumulated
+ * before exiting, or we'll have broken the
+ * active/flushing/inactive invariants.
+ *
+ * We'll potentially have some things marked as
+ * being in write domains that they actually aren't,
+ * but that should be merely a minor performance loss.
+ */
+ flush_domains = i915_gem_dev_set_domain(dev);
+ (void)i915_add_request(dev, flush_domains);
goto err;
+ }
}
i915_verify_inactive(dev, __FILE__, __LINE__);