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path: root/drivers/gpu/drm/i915
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Diffstat (limited to 'drivers/gpu/drm/i915')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_request.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_request.c b/drivers/gpu/drm/i915/i915_gem_request.c
index 9e9aa6b725f7..5cbb11ece60a 100644
--- a/drivers/gpu/drm/i915/i915_gem_request.c
+++ b/drivers/gpu/drm/i915/i915_gem_request.c
@@ -226,6 +226,14 @@ __i915_gem_request_alloc(struct intel_engine_cs *engine,
if (ret)
return ret;
+ /* Move the oldest request to the slab-cache (if not in use!) */
+ if (!list_empty(&engine->request_list)) {
+ req = list_first_entry(&engine->request_list,
+ typeof(*req), list);
+ if (i915_gem_request_completed(req))
+ i915_gem_request_retire(req);
+ }
+
req = kmem_cache_zalloc(dev_priv->requests, GFP_KERNEL);
if (!req)
return -ENOMEM;