From patchwork Thu Oct 14 17:19:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Matthew Brost X-Patchwork-Id: 12559151 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A693AC433FE for ; Thu, 14 Oct 2021 17:49:23 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 772DE6105A for ; Thu, 14 Oct 2021 17:49:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 772DE6105A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 78B2E6EB6A; Thu, 14 Oct 2021 17:49:16 +0000 (UTC) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id 30CAC6E89C; Thu, 14 Oct 2021 17:49:05 +0000 (UTC) X-IronPort-AV: E=McAfee;i="6200,9189,10137"; a="225208233" X-IronPort-AV: E=Sophos;i="5.85,373,1624345200"; d="scan'208";a="225208233" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Oct 2021 10:25:03 -0700 X-IronPort-AV: E=Sophos;i="5.85,373,1624345200"; d="scan'208";a="481360463" Received: from jons-linux-dev-box.fm.intel.com ([10.1.27.20]) by orsmga007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Oct 2021 10:25:01 -0700 From: Matthew Brost To: , Cc: Subject: [PATCH 18/25] drm/i915/guc: Add basic GuC multi-lrc selftest Date: Thu, 14 Oct 2021 10:19:58 -0700 Message-Id: <20211014172005.27155-19-matthew.brost@intel.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20211014172005.27155-1-matthew.brost@intel.com> References: <20211014172005.27155-1-matthew.brost@intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add very basic (single submission) multi-lrc selftest. Signed-off-by: Matthew Brost Reviewed-by: John Harrison --- .../gpu/drm/i915/gt/uc/intel_guc_submission.c | 1 + .../drm/i915/gt/uc/selftest_guc_multi_lrc.c | 179 ++++++++++++++++++ .../drm/i915/selftests/i915_live_selftests.h | 1 + 3 files changed, 181 insertions(+) create mode 100644 drivers/gpu/drm/i915/gt/uc/selftest_guc_multi_lrc.c diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c index 7c12364a017a..57eb5f8bc8bb 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c @@ -3954,4 +3954,5 @@ bool intel_guc_virtual_engine_has_heartbeat(const struct intel_engine_cs *ve) #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST) #include "selftest_guc.c" +#include "selftest_guc_multi_lrc.c" #endif diff --git a/drivers/gpu/drm/i915/gt/uc/selftest_guc_multi_lrc.c b/drivers/gpu/drm/i915/gt/uc/selftest_guc_multi_lrc.c new file mode 100644 index 000000000000..50953c8e8b53 --- /dev/null +++ b/drivers/gpu/drm/i915/gt/uc/selftest_guc_multi_lrc.c @@ -0,0 +1,179 @@ +// SPDX-License-Identifier: MIT +/* + * Copyright �� 2019 Intel Corporation + */ + +#include "selftests/igt_spinner.h" +#include "selftests/igt_reset.h" +#include "selftests/intel_scheduler_helpers.h" +#include "gt/intel_engine_heartbeat.h" +#include "gem/selftests/mock_context.h" + +static void logical_sort(struct intel_engine_cs **engines, int num_engines) +{ + struct intel_engine_cs *sorted[MAX_ENGINE_INSTANCE + 1]; + int i, j; + + for (i = 0; i < num_engines; ++i) + for (j = 0; j < MAX_ENGINE_INSTANCE + 1; ++j) { + if (engines[j]->logical_mask & BIT(i)) { + sorted[i] = engines[j]; + break; + } + } + + memcpy(*engines, *sorted, + sizeof(struct intel_engine_cs *) * num_engines); +} + +static struct intel_context * +multi_lrc_create_parent(struct intel_gt *gt, u8 class, + unsigned long flags) +{ + struct intel_engine_cs *siblings[MAX_ENGINE_INSTANCE + 1]; + struct intel_engine_cs *engine; + enum intel_engine_id id; + int i = 0; + + for_each_engine(engine, gt, id) { + if (engine->class != class) + continue; + + siblings[i++] = engine; + } + + if (i <= 1) + return ERR_PTR(0); + + logical_sort(siblings, i); + + return intel_engine_create_parallel(siblings, 1, i); +} + +static void multi_lrc_context_unpin(struct intel_context *ce) +{ + struct intel_context *child; + + GEM_BUG_ON(!intel_context_is_parent(ce)); + + for_each_child(ce, child) + intel_context_unpin(child); + intel_context_unpin(ce); +} + +static void multi_lrc_context_put(struct intel_context *ce) +{ + GEM_BUG_ON(!intel_context_is_parent(ce)); + + /* + * Only the parent gets the creation ref put in the uAPI, the parent + * itself is responsible for creation ref put on the children. + */ + intel_context_put(ce); +} + +static struct i915_request * +multi_lrc_nop_request(struct intel_context *ce) +{ + struct intel_context *child; + struct i915_request *rq, *child_rq; + int i = 0; + + GEM_BUG_ON(!intel_context_is_parent(ce)); + + rq = intel_context_create_request(ce); + if (IS_ERR(rq)) + return rq; + + i915_request_get(rq); + i915_request_add(rq); + + for_each_child(ce, child) { + child_rq = intel_context_create_request(child); + if (IS_ERR(child_rq)) + goto child_error; + + if (++i == ce->parallel.number_children) + set_bit(I915_FENCE_FLAG_SUBMIT_PARALLEL, + &child_rq->fence.flags); + i915_request_add(child_rq); + } + + return rq; + +child_error: + i915_request_put(rq); + + return ERR_PTR(-ENOMEM); +} + +static int __intel_guc_multi_lrc_basic(struct intel_gt *gt, unsigned int class) +{ + struct intel_context *parent; + struct i915_request *rq; + int ret; + + parent = multi_lrc_create_parent(gt, class, 0); + if (IS_ERR(parent)) { + pr_err("Failed creating contexts: %ld", PTR_ERR(parent)); + return PTR_ERR(parent); + } else if (!parent) { + pr_debug("Not enough engines in class: %d", class); + return 0; + } + + rq = multi_lrc_nop_request(parent); + if (IS_ERR(rq)) { + ret = PTR_ERR(rq); + pr_err("Failed creating requests: %d", ret); + goto out; + } + + ret = intel_selftest_wait_for_rq(rq); + if (ret) + pr_err("Failed waiting on request: %d", ret); + + i915_request_put(rq); + + if (ret >= 0) { + ret = intel_gt_wait_for_idle(gt, HZ * 5); + if (ret < 0) + pr_err("GT failed to idle: %d\n", ret); + } + +out: + multi_lrc_context_unpin(parent); + multi_lrc_context_put(parent); + return ret; +} + +static int intel_guc_multi_lrc_basic(void *arg) +{ + struct intel_gt *gt = arg; + unsigned int class; + int ret; + + for (class = 0; class < MAX_ENGINE_CLASS + 1; ++class) { + ret = __intel_guc_multi_lrc_basic(gt, class); + if (ret) + return ret; + } + + return 0; +} + +int intel_guc_multi_lrc_live_selftests(struct drm_i915_private *i915) +{ + static const struct i915_subtest tests[] = { + SUBTEST(intel_guc_multi_lrc_basic), + }; + struct intel_gt *gt = &i915->gt; + + if (intel_gt_is_wedged(gt)) + return 0; + + if (!intel_uc_uses_guc_submission(>->uc)) + return 0; + + return intel_gt_live_subtests(tests, gt); +} diff --git a/drivers/gpu/drm/i915/selftests/i915_live_selftests.h b/drivers/gpu/drm/i915/selftests/i915_live_selftests.h index 3cf6758931f9..bdd290f2bf3c 100644 --- a/drivers/gpu/drm/i915/selftests/i915_live_selftests.h +++ b/drivers/gpu/drm/i915/selftests/i915_live_selftests.h @@ -48,5 +48,6 @@ selftest(ring_submission, intel_ring_submission_live_selftests) selftest(perf, i915_perf_live_selftests) selftest(slpc, intel_slpc_live_selftests) selftest(guc, intel_guc_live_selftests) +selftest(guc_multi_lrc, intel_guc_multi_lrc_live_selftests) /* Here be dragons: keep last to run last! */ selftest(late_gt_pm, intel_gt_pm_late_selftests)