From patchwork Mon Nov 4 03:23:49 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Bard Liao X-Patchwork-Id: 13860822 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) (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 6810B16D9AA; Mon, 4 Nov 2024 03:23:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.14 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730690642; cv=none; b=mvK7CUhmcPnsFlhFYs5/a1SMpE+E3VWo9i9eIG6SwP/8V6i2z6FloIxpA15IHxSEArsIx2yI6CQ7QmSoI5De6syK8RF02jIOASoNzt61+U9wMd4vDiYZxTQE+WhqtRPXSO0ewFv6sHltxaY5yox4dHYUI42P7FIGZyFXpdiRuZQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730690642; c=relaxed/simple; bh=enGqaKOvLCvbtuKXzuf5hTbeFXMHB/bu9jBUui/cIL0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=nFZafNOn+tXIL4IfTpxVaHMIjUDcJ5Z86Jw+l2qWuS5Vod7acuBzZOo8M797pLEtoJ3gHN/PulJwYKUGDgP/I1t23uI2Skb7N+t94OKPvjVN8jpQ2ykd+t8c9jy2fhPlhAiWg5UUTSI6pLuMiGsjiRpCJee0xTWyDv5W96Uq6CM= 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=LdR023oj; arc=none smtp.client-ip=192.198.163.14 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="LdR023oj" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1730690638; x=1762226638; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=enGqaKOvLCvbtuKXzuf5hTbeFXMHB/bu9jBUui/cIL0=; b=LdR023oj116inNNgGGHBYRiIlBJaJeqYkEITmvP0M8jtLwxkVirp8kHy 4FGyx7XRNv50XGGU5Irciy9Nld+Qq2W6e0oPBHbpez0D+Kh/FCZioNzwx nTuOEoFCq4f0c/H9AtKhXLr1pL69bmKDiMZQeLYsJlfUHIQG2ZDESuzAo 8nfvkg6M8NGOCsSonu1Yd8/D6om6QrFChFaQ6aQhWL3GH7qeIro8G20EN ignnY0Qx9D3IYSW4IEIc6HgONWaJH7y024dchOqBosKfMlJUc4wlxVMo1 N9XormmgjVnpPkqN48kGSIZTm1BAurDWoAJfYdf1NAhydwpSlcQuIVdHj Q==; X-CSE-ConnectionGUID: 87eBFuqNQF+kBBuvJtVtZA== X-CSE-MsgGUID: aGubKluuTDmbnPDEGRA/+A== X-IronPort-AV: E=McAfee;i="6700,10204,11245"; a="30594276" X-IronPort-AV: E=Sophos;i="6.11,256,1725346800"; d="scan'208";a="30594276" Received: from fmviesa001.fm.intel.com ([10.60.135.141]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Nov 2024 19:23:56 -0800 X-CSE-ConnectionGUID: tF7DJWrjTcG3tjexPIYByg== X-CSE-MsgGUID: B1y+NqxIR7OYEuI2AdNwnw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,256,1725346800"; d="scan'208";a="114331798" Received: from yungchua-ws.ostc.intel.com (HELO yungchua-ws.intel.com) ([10.54.69.90]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Nov 2024 19:23:56 -0800 From: Bard Liao To: linux-sound@vger.kernel.org, vkoul@kernel.org Cc: vinod.koul@linaro.org, linux-kernel@vger.kernel.org, pierre-louis.bossart@linux.dev, bard.liao@intel.com Subject: [PATCH 03/12] soundwire: add lane_used_bandwidth in struct sdw_bus Date: Mon, 4 Nov 2024 03:23:49 +0000 Message-Id: <20241104032358.669705-4-yung-chuan.liao@linux.intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241104032358.669705-1-yung-chuan.liao@linux.intel.com> References: <20241104032358.669705-1-yung-chuan.liao@linux.intel.com> Precedence: bulk X-Mailing-List: linux-sound@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 To support multi-lane, we need to know how much bandwidth is used on each lane. And to use the lane that has enough bandwidth. Signed-off-by: Bard Liao Reviewed-by: Péter Ujfalusi Reviewed-by: Pierre-Louis Bossart --- include/linux/soundwire/sdw.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h index 928d56cd7e6d..e059d5330b11 100644 --- a/include/linux/soundwire/sdw.h +++ b/include/linux/soundwire/sdw.h @@ -889,6 +889,7 @@ struct sdw_master_ops { * @multi_link: Store bus property that indicates if multi links * are supported. This flag is populated by drivers after reading * appropriate firmware (ACPI/DT). + * @lane_used_bandwidth: how much bandwidth in bits per second is used by each lane */ struct sdw_bus { struct device *dev; @@ -920,6 +921,7 @@ struct sdw_bus { struct dentry *debugfs; #endif bool multi_link; + unsigned int lane_used_bandwidth[SDW_MAX_LANES]; }; int sdw_bus_master_add(struct sdw_bus *bus, struct device *parent,