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 B125FCD343F for ; Fri, 8 May 2026 02:14:09 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5780910E2D6; Fri, 8 May 2026 02:14:09 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="n9pj0QD8"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) by gabe.freedesktop.org (Postfix) with ESMTPS id AE72510E2D6 for ; Fri, 8 May 2026 02:13:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1778206419; x=1809742419; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=vt9HuuWKARQvScekjZFjo0tx6ynczntIw0dUNmIPCt4=; b=n9pj0QD8Via6p1uFMIhW8gm3tnLcw9DCfsebmJNhFKhWC2GCN9yE48x3 EXv92uPJkWCs/pE57JXF/RBw/xoJl0tcWNjYSEvAS0ZV7QVabkeDUJkOz Vtidld18kXfPxKJrq61O278Fj5oeeamx2YgcCf/GI7DV5VGG0StYRhb1r zkN+Tm8RdsSbFfgg0dlSNa1Es6aeW7bebccyRYuJuYMNZBOPLgdSJs2v6 QVQQkZMaJP38bhXQZ9B4mj1pmY0wcDUdahmQetccoN/235pMZsfAF2UgR Ktnr0JmxPiOhNMqhgS6+vPrOVQdNUIpRogJumZzrUbfJbjlxt7+245aVf w==; X-CSE-ConnectionGUID: g1Hdf8dKSUeehZxA/FI1IQ== X-CSE-MsgGUID: 7fhyVATmTv6iVnXHRP3Phg== X-IronPort-AV: E=McAfee;i="6800,10657,11779"; a="90633030" X-IronPort-AV: E=Sophos;i="6.23,222,1770624000"; d="scan'208";a="90633030" Received: from fmviesa005.fm.intel.com ([10.60.135.145]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 May 2026 19:13:39 -0700 X-CSE-ConnectionGUID: figkJ7+OQtSUJG9lm0dy6w== X-CSE-MsgGUID: lTRdaLjORxq18LB7vym3Bg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,222,1770624000"; d="scan'208";a="241615621" Received: from shekharc-mobl2.iind.intel.com ([10.190.239.16]) by fmviesa005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 May 2026 19:13:38 -0700 From: Shekhar Chauhan To: igt-dev@lists.freedesktop.org Cc: shekhar.chauhan@intel.com, ashutosh.dixit@intel.com Subject: [PATCH v7 2/2] tests/intel/xe_oa: Wa_14026633728 Date: Fri, 8 May 2026 07:43:29 +0530 Message-ID: <20260508021329.876072-3-shekhar.chauhan@intel.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260508021329.876072-1-shekhar.chauhan@intel.com> References: <20260508021329.876072-1-shekhar.chauhan@intel.com> 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. Signed-off-by: Shekhar Chauhan --- tests/intel/xe_oa.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/tests/intel/xe_oa.c b/tests/intel/xe_oa.c index 988c46df6..2f73b5210 100644 --- a/tests/intel/xe_oa.c +++ b/tests/intel/xe_oa.c @@ -24,6 +24,7 @@ #include "igt_device.h" #include "igt_syncobj.h" #include "igt_sysfs.h" +#include "intel_wa.h" #include "xe/xe_ioctl.h" #include "xe/xe_query.h" #include "xe/xe_oa.h" @@ -2671,6 +2672,18 @@ test_non_zero_reason(const struct drm_xe_oa_unit *oau, size_t oa_buffer_size) int len, check_idx; u32 oa_status; + /* + * 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. Also, update the value of oa_exponent + * in properties[]. + */ + if (oau->oa_unit_type == DRM_XE_OA_UNIT_TYPE_MERT && + igt_has_intel_wa(drm_fd, "14026633728")) { + oa_exponent = max(oa_exponent, 8); + properties[9] = oa_exponent; + } + igt_assert(buf); igt_debug("Ready to read about %u bytes\n", buf_size); -- 2.53.0