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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2019-03-20 00:42:33 +0300 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-03-20 12:01:12 +0300 |
| commit | d315d4faf82092df6fe82f456fd26dc8b247b627 (patch) | |
| tree | db1cc08caadd7c9ce1df7191f4e8ded5215608b1 | |
| parent | 1284ec985572232ace4817476baeb2d82b60be7a (diff) | |
| download | linux-d315d4faf82092df6fe82f456fd26dc8b247b627.tar.xz | |
drm/i915/selftests: Provide stub reset functions
If a test fails, we quite often mark the device as wedged. Provide the
stub functions so that we can wedge the mock device, and avoid exploding
on test failures.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109981
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190319214233.25498-3-chris@chris-wilson.co.uk
| -rw-r--r-- | drivers/gpu/drm/i915/selftests/mock_engine.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/selftests/mock_engine.c b/drivers/gpu/drm/i915/selftests/mock_engine.c index 639d36eb904a..61744819172b 100644 --- a/drivers/gpu/drm/i915/selftests/mock_engine.c +++ b/drivers/gpu/drm/i915/selftests/mock_engine.c @@ -198,6 +198,37 @@ static void mock_submit_request(struct i915_request *request) spin_unlock_irqrestore(&engine->hw_lock, flags); } +static void mock_reset_prepare(struct intel_engine_cs *engine) +{ +} + +static void mock_reset(struct intel_engine_cs *engine, bool stalled) +{ + GEM_BUG_ON(stalled); +} + +static void mock_reset_finish(struct intel_engine_cs *engine) +{ +} + +static void mock_cancel_requests(struct intel_engine_cs *engine) +{ + struct i915_request *request; + unsigned long flags; + + spin_lock_irqsave(&engine->timeline.lock, flags); + + /* Mark all submitted requests as skipped. */ + list_for_each_entry(request, &engine->timeline.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); +} + struct intel_engine_cs *mock_engine(struct drm_i915_private *i915, const char *name, int id) @@ -223,6 +254,11 @@ struct intel_engine_cs *mock_engine(struct drm_i915_private *i915, engine->base.emit_fini_breadcrumb = mock_emit_breadcrumb; engine->base.submit_request = mock_submit_request; + engine->base.reset.prepare = mock_reset_prepare; + engine->base.reset.reset = mock_reset; + engine->base.reset.finish = mock_reset_finish; + engine->base.cancel_requests = mock_cancel_requests; + if (i915_timeline_init(i915, &engine->base.timeline, engine->base.name, |