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drm/i915: Fix context object leak for legacy contexts 

Dynamic context pinning for LRCs introduced a leak in legacy mode.
Reinstate context unreference in i915_gem_free_request for legacy contexts.

Leak reported by i-g-t/drv_module_reload fixed by this patch.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=86507
Signed-off-by: Thomas Daniel <thomas.daniel@intel.com>
Reviewed-by: John Harrison<John.C.Harrison@Intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Thomas Daniel 2014-11-25 10:39:25 +00:00 committed by Daniel Vetter
parent 8ee558d804
commit 0794aed302
1 changed files with 6 additions and 4 deletions
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10
drivers/gpu/drm/i915/i915_gem.c
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@ -2574,11 +2574,13 @@ static void i915_gem_free_request(struct drm_i915_gem_request *request)
list_del(&request->list);
i915_gem_request_remove_from_client(request);
if (i915.enable_execlists && ctx) {
struct intel_engine_cs *ring = request->ring;
if (ctx) {
if (i915.enable_execlists) {
struct intel_engine_cs *ring = request->ring;
if (ctx != ring->default_context)
intel_lr_context_unpin(ring, ctx);
if (ctx != ring->default_context)
intel_lr_context_unpin(ring, ctx);
}
i915_gem_context_unreference(ctx);
}
kfree(request);