From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2F0C5C433E0 for ; Mon, 18 May 2020 10:29:35 +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 E3A2E20657 for ; Mon, 18 May 2020 10:29:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E3A2E20657 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=chris-wilson.co.uk Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7CF946E054; Mon, 18 May 2020 10:29:34 +0000 (UTC) Received: from fireflyinternet.com (mail.fireflyinternet.com [109.228.58.192]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8C8166E054 for ; Mon, 18 May 2020 10:29:31 +0000 (UTC) X-Default-Received-SPF: pass (skip=forwardok (res=PASS)) x-ip-name=78.156.65.138; Received: from build.alporthouse.com (unverified [78.156.65.138]) by fireflyinternet.com (Firefly Internet (M1)) with ESMTP id 21228057-1500050 for multiple; Mon, 18 May 2020 11:29:11 +0100 From: Chris Wilson To: intel-gfx@lists.freedesktop.org Date: Mon, 18 May 2020 11:29:11 +0100 Message-Id: <20200518102911.3463-1-chris@chris-wilson.co.uk> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH] drm/i915/selftests: Refactor sibling selection X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Chris Wilson Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Tvrtko spotted that some selftests were using 'break' not 'continue', which will fail for discontiguous engine layouts such as on Icelake (which may have vcs0 and vcs2). Reported-by: Tvrtko Ursulin Signed-off-by: Chris Wilson Cc: Tvrtko Ursulin --- drivers/gpu/drm/i915/gt/selftest_lrc.c | 68 ++++++++++---------------- 1 file changed, 27 insertions(+), 41 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/selftest_lrc.c b/drivers/gpu/drm/i915/gt/selftest_lrc.c index 824f99c4cc7c..94854a467e66 100644 --- a/drivers/gpu/drm/i915/gt/selftest_lrc.c +++ b/drivers/gpu/drm/i915/gt/selftest_lrc.c @@ -3600,13 +3600,30 @@ static int nop_virtual_engine(struct intel_gt *gt, return err; } +static unsigned int select_siblings(struct intel_gt *gt, + unsigned int class, + struct intel_engine_cs **siblings) +{ + unsigned int n = 0; + unsigned int inst; + + for (inst = 0; inst <= MAX_ENGINE_INSTANCE; inst++) { + if (!gt->engine_class[class][inst]) + continue; + + siblings[n++] = gt->engine_class[class][inst]; + } + + return n; +} + static int live_virtual_engine(void *arg) { struct intel_gt *gt = arg; struct intel_engine_cs *siblings[MAX_ENGINE_INSTANCE + 1]; struct intel_engine_cs *engine; enum intel_engine_id id; - unsigned int class, inst; + unsigned int class; int err; if (intel_uc_uses_guc_submission(>->uc)) @@ -3624,13 +3641,7 @@ static int live_virtual_engine(void *arg) for (class = 0; class <= MAX_ENGINE_CLASS; class++) { int nsibling, n; - nsibling = 0; - for (inst = 0; inst <= MAX_ENGINE_INSTANCE; inst++) { - if (!gt->engine_class[class][inst]) - continue; - - siblings[nsibling++] = gt->engine_class[class][inst]; - } + nsibling = select_siblings(gt, class, siblings); if (nsibling < 2) continue; @@ -3739,7 +3750,7 @@ static int live_virtual_mask(void *arg) { struct intel_gt *gt = arg; struct intel_engine_cs *siblings[MAX_ENGINE_INSTANCE + 1]; - unsigned int class, inst; + unsigned int class; int err; if (intel_uc_uses_guc_submission(>->uc)) @@ -3748,13 +3759,7 @@ static int live_virtual_mask(void *arg) for (class = 0; class <= MAX_ENGINE_CLASS; class++) { unsigned int nsibling; - nsibling = 0; - for (inst = 0; inst <= MAX_ENGINE_INSTANCE; inst++) { - if (!gt->engine_class[class][inst]) - break; - - siblings[nsibling++] = gt->engine_class[class][inst]; - } + nsibling = select_siblings(gt, class, siblings); if (nsibling < 2) continue; @@ -3876,7 +3881,7 @@ static int live_virtual_preserved(void *arg) { struct intel_gt *gt = arg; struct intel_engine_cs *siblings[MAX_ENGINE_INSTANCE + 1]; - unsigned int class, inst; + unsigned int class; /* * Check that the context image retains non-privileged (user) registers @@ -3894,13 +3899,7 @@ static int live_virtual_preserved(void *arg) for (class = 0; class <= MAX_ENGINE_CLASS; class++) { int nsibling, err; - nsibling = 0; - for (inst = 0; inst <= MAX_ENGINE_INSTANCE; inst++) { - if (!gt->engine_class[class][inst]) - continue; - - siblings[nsibling++] = gt->engine_class[class][inst]; - } + nsibling = select_siblings(gt, class, siblings); if (nsibling < 2) continue; @@ -4111,7 +4110,7 @@ static int live_virtual_bond(void *arg) }; struct intel_gt *gt = arg; struct intel_engine_cs *siblings[MAX_ENGINE_INSTANCE + 1]; - unsigned int class, inst; + unsigned int class; int err; if (intel_uc_uses_guc_submission(>->uc)) @@ -4121,14 +4120,7 @@ static int live_virtual_bond(void *arg) const struct phase *p; int nsibling; - nsibling = 0; - for (inst = 0; inst <= MAX_ENGINE_INSTANCE; inst++) { - if (!gt->engine_class[class][inst]) - break; - - GEM_BUG_ON(nsibling == ARRAY_SIZE(siblings)); - siblings[nsibling++] = gt->engine_class[class][inst]; - } + nsibling = select_siblings(gt, class, siblings); if (nsibling < 2) continue; @@ -4266,7 +4258,7 @@ static int live_virtual_reset(void *arg) { struct intel_gt *gt = arg; struct intel_engine_cs *siblings[MAX_ENGINE_INSTANCE + 1]; - unsigned int class, inst; + unsigned int class; /* * Check that we handle a reset event within a virtual engine. @@ -4284,13 +4276,7 @@ static int live_virtual_reset(void *arg) for (class = 0; class <= MAX_ENGINE_CLASS; class++) { int nsibling, err; - nsibling = 0; - for (inst = 0; inst <= MAX_ENGINE_INSTANCE; inst++) { - if (!gt->engine_class[class][inst]) - continue; - - siblings[nsibling++] = gt->engine_class[class][inst]; - } + nsibling = select_siblings(gt, class, siblings); if (nsibling < 2) continue; -- 2.20.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx