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authorChris Wilson <chris@chris-wilson.co.uk>2019-06-14 17:46:06 +0100
committerChris Wilson <chris@chris-wilson.co.uk>2019-06-14 19:03:40 +0100
commit422d7df4f090bbbc4d49e66d533a259ba63ec70d (patch)
treecac1ad8f4a87bcb9317f9feafdf3a8d9c6975816 /drivers/gpu/drm/i915/gt/mock_engine.c
parent9db0c5caa7471b463627e1a87c58de874be1c55f (diff)
downloadlinux-422d7df4f090bbbc4d49e66d533a259ba63ec70d.tar.bz2
drm/i915: Replace engine->timeline with a plain list
To continue the onslaught of removing the assumption of a global execution ordering, another casualty is the engine->timeline. Without an actual timeline to track, it is overkill and we can replace it with a much less grand plain list. We still need a list of requests inflight, for the simple purpose of finding inflight requests (for retiring, resetting, preemption etc). Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190614164606.15633-3-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/gt/mock_engine.c')
-rw-r--r--drivers/gpu/drm/i915/gt/mock_engine.c18
1 files changed, 6 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/gt/mock_engine.c b/drivers/gpu/drm/i915/gt/mock_engine.c
index d1ef515bac8d..086801b51441 100644
--- a/drivers/gpu/drm/i915/gt/mock_engine.c
+++ b/drivers/gpu/drm/i915/gt/mock_engine.c
@@ -229,17 +229,17 @@ static void mock_cancel_requests(struct intel_engine_cs *engine)
struct i915_request *request;
unsigned long flags;
- spin_lock_irqsave(&engine->timeline.lock, flags);
+ spin_lock_irqsave(&engine->active.lock, flags);
/* Mark all submitted requests as skipped. */
- list_for_each_entry(request, &engine->timeline.requests, sched.link) {
+ list_for_each_entry(request, &engine->active.requests, sched.link) {
if (!i915_request_signaled(request))
dma_fence_set_error(&request->fence, -EIO);
i915_request_mark_complete(request);
}
- spin_unlock_irqrestore(&engine->timeline.lock, flags);
+ spin_unlock_irqrestore(&engine->active.lock, flags);
}
struct intel_engine_cs *mock_engine(struct drm_i915_private *i915,
@@ -285,28 +285,23 @@ int mock_engine_init(struct intel_engine_cs *engine)
struct drm_i915_private *i915 = engine->i915;
int err;
+ intel_engine_init_active(engine, ENGINE_MOCK);
intel_engine_init_breadcrumbs(engine);
intel_engine_init_execlists(engine);
intel_engine_init__pm(engine);
- if (i915_timeline_init(i915, &engine->timeline, NULL))
- goto err_breadcrumbs;
- i915_timeline_set_subclass(&engine->timeline, TIMELINE_ENGINE);
-
engine->kernel_context =
i915_gem_context_get_engine(i915->kernel_context, engine->id);
if (IS_ERR(engine->kernel_context))
- goto err_timeline;
+ goto err_breadcrumbs;
err = intel_context_pin(engine->kernel_context);
intel_context_put(engine->kernel_context);
if (err)
- goto err_timeline;
+ goto err_breadcrumbs;
return 0;
-err_timeline:
- i915_timeline_fini(&engine->timeline);
err_breadcrumbs:
intel_engine_fini_breadcrumbs(engine);
return -ENOMEM;
@@ -340,7 +335,6 @@ void mock_engine_free(struct intel_engine_cs *engine)
intel_context_unpin(engine->kernel_context);
intel_engine_fini_breadcrumbs(engine);
- i915_timeline_fini(&engine->timeline);
kfree(engine);
}