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 877E5FEC119 for ; Tue, 24 Mar 2026 21:23:52 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3EE9F10E166; Tue, 24 Mar 2026 21:23:52 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="jmXd2uXm"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) by gabe.freedesktop.org (Postfix) with ESMTPS id D579D10E166 for ; Tue, 24 Mar 2026 21:23:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1774387431; x=1805923431; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=szIXG0bJJHNWn1AOJcwVV0Pn8RmlbjPBp9wIq2naTbU=; b=jmXd2uXmsv8vu56RyqKzuHOWgVJbm+jYn6KMwSZZjZ482jcECPXw8mt0 qLPjGjlJFGbTJeCVEikFJnYpVsDf09/UFcL3LYnRNe3fW0Dt+b/hyk5RD pat2k8rdLhOyy7rGRQz5YMmUycfDx2HB8zp3XgmIl3x8coRz4V49dxUfs kmm8uihZk/TybCqtOkwMQF7SMDcgLpm4hl6Q+4ClB/rRwZxQALRz3XpIG EasV5alpk0xvxsIlSzM7sx3FheZCOAIHQZvmGie3CGBmTunqcWzLCCBC+ ihCgDdIgPUeGUjcR7NjyvYDAFit4sQOHNgpnqgFk6dfTLoK+1Wq8DBFVJ A==; X-CSE-ConnectionGUID: 00Wi+AsWRRiEtDwjvTf8kQ== X-CSE-MsgGUID: +ZCHFnYWTd6gXM2h1KYINg== X-IronPort-AV: E=McAfee;i="6800,10657,11739"; a="92800657" X-IronPort-AV: E=Sophos;i="6.23,138,1770624000"; d="scan'208";a="92800657" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Mar 2026 14:23:51 -0700 X-CSE-ConnectionGUID: 2j+aL7ZQRYOtFRXZZxYnNA== X-CSE-MsgGUID: pluBSSR0RZylCdAIuk7Jbw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,138,1770624000"; d="scan'208";a="226110417" Received: from xwang-desk.fm.intel.com ([10.121.64.134]) by fmviesa004.fm.intel.com with ESMTP; 24 Mar 2026 14:23:50 -0700 From: Xin Wang To: intel-xe@lists.freedesktop.org Cc: Xin Wang , Daniel Charles Subject: [PATCH] drm/xe: expose multi_lrc_mask in debugfs info Date: Tue, 24 Mar 2026 14:23:48 -0700 Message-ID: <20260324212348.4142888-1-x.wang@intel.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Add multi_lrc_mask to the per-device info printed via debugfs (/sys/kernel/debug/dri//info). This value indicates which engine classes support multi-LRC submission and varies across platforms. Exposing it through debugfs allows userspace tools like IGT to query the actual kernel configuration rather than hardcoding platform-specific values in test code. This avoids duplicating KMD logic in IGT and makes tests automatically adapt to platform differences. Cc: Daniel Charles Signed-off-by: Xin Wang --- drivers/gpu/drm/xe/xe_debugfs.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/xe/xe_debugfs.c b/drivers/gpu/drm/xe/xe_debugfs.c index 844cfafe1ec7..32f03b2777d5 100644 --- a/drivers/gpu/drm/xe/xe_debugfs.c +++ b/drivers/gpu/drm/xe/xe_debugfs.c @@ -88,6 +88,7 @@ static int info(struct seq_file *m, void *data) drm_printf(&p, "has_flat_ccs %s\n", str_yes_no(xe->info.has_flat_ccs)); drm_printf(&p, "has_usm %s\n", str_yes_no(xe->info.has_usm)); drm_printf(&p, "skip_guc_pc %s\n", str_yes_no(xe->info.skip_guc_pc)); + drm_printf(&p, "multi_lrc_mask 0x%x\n", xe->info.multi_lrc_mask); for_each_gt(gt, xe, id) { drm_printf(&p, "gt%d force wake %d\n", id, xe_force_wake_ref(gt_to_fw(gt), XE_FW_GT)); -- 2.43.0