drm/i915: Show all active engines on hangcheck (25f9cebd) · Commits · 戴 / test

This turns out to be quite useful if one happens to be debugging semaphore deadlocks. Signed-off-by:

drivers/gpu/drm/i915/intel_hangcheck.c

+11 −4

Original line number	Diff line number	Diff line
		@@ -195,10 +195,6 @@ static void hangcheck_accumulate_sample(struct intel_engine_cs *engine,
		break;

		case ENGINE_DEAD:
		if (GEM_SHOW_DEBUG()) {
		struct drm_printer p = drm_debug_printer("hangcheck");
		intel_engine_dump(engine, &p, "%s\n", engine->name);
		}
		break;

		default:
		@@ -285,6 +281,17 @@ static void i915_hangcheck_elapsed(struct work_struct *work)
		wedged \|= intel_engine_flag(engine);
		}

		if (GEM_SHOW_DEBUG() && (hung \| stuck)) {
		struct drm_printer p = drm_debug_printer("hangcheck");

		for_each_engine(engine, dev_priv, id) {
		if (intel_engine_is_idle(engine))
		continue;

		intel_engine_dump(engine, &p, "%s\n", engine->name);
		}
		}

		if (wedged) {
		dev_err(dev_priv->drm.dev,
		"GPU recovery timed out,"