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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id DEC71FF8850 for ; Mon, 27 Apr 2026 05:00:25 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id EC9E010E199; Mon, 27 Apr 2026 05:00:24 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="EN9BRiOo"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.16]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2487E10E199 for ; Mon, 27 Apr 2026 05:00:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1777266012; x=1808802012; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=gX1w2ASVjhZOg3JThtyUGA7NAuqhrjjxuLupCI5nUp8=; b=EN9BRiOoUS0e/+ZMCR9TpWuY1ex5X5jW/iCCri/4bQIZqAxdLMAeKJxx jZE32MUhoqdK9Phz2PangVThXZt9YkGNPf+aDdTcxdknTeo4lq0kpBCKc yKGuKTpAYfEu/FF34fIJz3Xb8DqVE+/8sTj2GlvW0xULpa/bLpJebRq+x mfiXyubjMLCrHOfJXHOkS+24GE9U1OnyULlMeVfCxQPxruZoeQBMyZR1T 2bmWO05b6urXTvMElu3eTelrOhlRoQAEhVXrx8e3339HGjqwvLGe3kIrt 6UMYtlJY4/gxPN+zxvKeuigkK+d8IWSrFQ4OAqHwm3zU/XcuTpsKUqr2f Q==; X-CSE-ConnectionGUID: oJbyYK9yT4uMTTaHF7aEaQ== X-CSE-MsgGUID: i+iuM6j5TxuB/BC/tlaUJA== X-IronPort-AV: E=McAfee;i="6800,10657,11768"; a="78336378" X-IronPort-AV: E=Sophos;i="6.23,201,1770624000"; d="scan'208";a="78336378" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Apr 2026 22:00:11 -0700 X-CSE-ConnectionGUID: I5bw4KqnS4GBOrIRLlHxPw== X-CSE-MsgGUID: hww7f4ZxTC2bnP4x7AlpPA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,201,1770624000"; d="scan'208";a="233356743" Received: from shekharc-mobl2.iind.intel.com ([10.190.239.16]) by orviesa009-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Apr 2026 22:00:09 -0700 From: Shekhar Chauhan To: igt-dev@lists.freedesktop.org Cc: shekhar.chauhan@intel.com, ashutosh.dixit@intel.com Subject: [PATCH v2] tests/intel/xe_oa: Wa_14026633728 Date: Mon, 27 Apr 2026 10:30:02 +0530 Message-ID: <20260427050002.3391994-1-shekhar.chauhan@intel.com> X-Mailer: git-send-email 2.53.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: igt-dev@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development mailing list for IGT GPU Tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" For MERTOA in CRI, oa buffer can be in device memory. Because of slower device mem access, OA exponent values lower than 8 can result in buffer overflows. Bump the OA exponent value. v2: Fix commit title, description and code description. Signed-off-by: Shekhar Chauhan --- tests/intel/xe_oa.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/tests/intel/xe_oa.c b/tests/intel/xe_oa.c index 988c46df6..cbc1e0d3e 100644 --- a/tests/intel/xe_oa.c +++ b/tests/intel/xe_oa.c @@ -2645,6 +2645,16 @@ test_non_zero_reason(const struct drm_xe_oa_unit *oau, size_t oa_buffer_size) { /* ~20 micro second period */ int oa_exponent = max_oa_exponent_for_period_lte(20000); + + /* + * Wa_14026633728: For MERTOA in CRI, oa buffer can be in device memory. + * Because of slower device mem access, OA exponent values lower than 8 can + * result in buffer overflows. + */ + + if (oau->oa_unit_type == DRM_XE_OA_UNIT_TYPE_MERT && IS_CRESCENTISLAND(devid)) + oa_exponent = max(oa_exponent, 8); + struct intel_xe_perf_metric_set *test_set = oa_unit_metric_set(oau); uint64_t fmt = test_set->perf_oa_format; size_t report_size = get_oa_format(fmt).size; -- 2.53.0