From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B87871B3F1D for ; Wed, 31 Jul 2024 14:13:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722435214; cv=none; b=TzlrX8igOt4Ddrb6BsqAKbkbva+kGp+KOBqM23lYuf+qYZofKQuB7YRO5BhbuXan6YfLTki+IojQvry0YPoBObljkjXndCl+nPLHa+gpPbwhH+E49wnaxUontFdm7q1ysdwSHkpqLNGOLaskKU6SCCXzbLOKiXviDiuohR1zncQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722435214; c=relaxed/simple; bh=f1mlblJ6eozU0CpRxhm3GKTQ2ISOd688sKsz808HlHY=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=RNkVPyqDlcmCAoxG6vArL9YmdBU7Xv30UviY9XhKDtkpGDZWF5Sx+u/SerLGg+pzuBONxnqsWN3MNyB/LQwadGQGHRmrm5Y+IIoozh67H2urcWBU1XzrmnMLPUPTN7fXT++Om6x9h5nxwTxBvSELpISK3vGsoU7Mn/wGJr/0OAc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=ScvPa+yV; arc=none smtp.client-ip=192.198.163.19 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="ScvPa+yV" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1722435212; x=1753971212; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=f1mlblJ6eozU0CpRxhm3GKTQ2ISOd688sKsz808HlHY=; b=ScvPa+yVAidQ8x2epu+qEtW82feeAqoMgJEx63fLzk0gjk1ePRc741AU /muKu8TDin7y0b6ARqhxBacVN0PqfM9eqfI6ZBeW4IfuuOUFe3ALw0zb0 5reUEyew+97M1zMQB80qyXesxYspPGL5hrOFJiGVwnkmNMwMqq8Kez8KG Liha6Jyyckenhm5t0TfdvMteXEMa5RHWTF++PUhjOA7ZbhkDLQQR3OZ1L HuF5/ZhLILcBSUT1uwFz9FdVZlmt28m2W+o4vCSQuwIy7c/2A5jDsDfjP dylugTR0aeU5VAAnpFaX+jkkLYNplylr2Fvodeq0sqwGOBcVSRWeIBf89 w==; X-CSE-ConnectionGUID: k/hQBdnTTqicmxDj907UKg== X-CSE-MsgGUID: 9bQzApeURui/hcolySXAOA== X-IronPort-AV: E=McAfee;i="6700,10204,11150"; a="20011637" X-IronPort-AV: E=Sophos;i="6.09,251,1716274800"; d="scan'208";a="20011637" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Jul 2024 07:13:32 -0700 X-CSE-ConnectionGUID: K3qqsMMGReiEhp7PEBWhag== X-CSE-MsgGUID: JOZOdKz0STOCQ13ByZ36ew== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.09,251,1716274800"; d="scan'208";a="54357887" Received: from kanliang-dev.jf.intel.com ([10.165.154.102]) by fmviesa007.fm.intel.com with ESMTP; 31 Jul 2024 07:13:31 -0700 From: kan.liang@linux.intel.com To: peterz@infradead.org, mingo@redhat.com, linux-kernel@vger.kernel.org Cc: acme@kernel.org, namhyung@kernel.org, irogers@google.com, Zhenyu Wang , Kan Liang Subject: [PATCH 5/5] perf/x86/intel/uncore: Use D0:F0 as a default device Date: Wed, 31 Jul 2024 07:13:53 -0700 Message-Id: <20240731141353.759643-5-kan.liang@linux.intel.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20240731141353.759643-1-kan.liang@linux.intel.com> References: <20240731141353.759643-1-kan.liang@linux.intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Zhenyu Wang Some uncore PMON registers are located in the MMIO space of the Host Bridge and DRAM Controller device, which is located at D0:F0 for Tiger Lake and later client generation. Use D0:F0 as a default device. So it doesn't need to keep adding the complete Device ID list for each generation anymore. Reviewed-by: Kan Liang Signed-off-by: Zhenyu Wang --- arch/x86/events/intel/uncore_snb.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/x86/events/intel/uncore_snb.c b/arch/x86/events/intel/uncore_snb.c index f0495867f054..1de24202ac7a 100644 --- a/arch/x86/events/intel/uncore_snb.c +++ b/arch/x86/events/intel/uncore_snb.c @@ -1504,6 +1504,10 @@ static struct pci_dev *tgl_uncore_get_mc_dev(void) ids++; } + /* Just try to grab 00:00.0 device */ + if (!mc_dev) + mc_dev = pci_get_domain_bus_and_slot(0, 0, PCI_DEVFN(0, 0)); + return mc_dev; } -- 2.38.1