From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 705051373; Sun, 20 Oct 2024 01:06:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729386418; cv=none; b=Jwp4hw28CYI1A61amTXefaxpOxPjQakc1yXObVAy40ZCeswAVEpXdPPuO7Z9XgiN3H6Cm7KInoicZEcxivs4C57HS+Ea95218tQmKFfSkg8JVn3EBe0sNOcMLm8iSAy4WGZQYE4PfVZd+X0Lq6Vap3TTWOWJ1IO8n45w2wGAWyM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729386418; c=relaxed/simple; bh=QykmPv/BE6IkDfW5xnvum0kBf+OEw3Cv6VurB2ePnZU=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=T2rnRblaAe0qiOXoCC28f12VlRP48s9CVYm5V40HW1Je0iTXl0cMr6vz4Ux84lPRKTiNyxbEainp0EN1ySiJDT84Ddl2rfx0CUXfzBgboT3ESGbI92RXJlBd0/3Ij9naMXCEuTHrt15esDK+Mb6KXrCFLoLvPQRPgN09Q9DQIVY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=CP5lx5ND; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="CP5lx5ND" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9C04FC4CEC5; Sun, 20 Oct 2024 01:06:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1729386418; bh=QykmPv/BE6IkDfW5xnvum0kBf+OEw3Cv6VurB2ePnZU=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=CP5lx5NDeHvNn1dsSX9/F0Nl0iOQemMFzRDokTKuQD90OB5AC8Gyb8/cu/az29bX+ yRp4Pr6Ydv4aSBtadDIXn4bG/M0kv7v4nBMG51XglANyLJ730E4nlwl4vFfcT6SJd/ GmF4TqhWcvUEV0UJo8/N2rWTNw/rVXnguKGdsZc7HWhTkEEqzOnnqTnwCaUpWh3R6V 4VxZB5rJjgsbZX5WqtlVQtmLrVQv1dzEpkp2NFLQO7TDiRxpKUcVNcEZVyEg92ms2N uH+ZamMstcWnbIvYTND0oisZ7C2XH39drySY0QEmrQf2b0c+8WfgCLzaKmcoahMM+y kctDBFacgFexg== Message-ID: <6aa0a404-9bc8-4b0c-b6f9-a455a3033670@kernel.org> Date: Sun, 20 Oct 2024 10:06:54 +0900 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 00/12] Fix and improve the Rockchip endpoint driver To: Anand Moon Cc: Manivannan Sadhasivam , Lorenzo Pieralisi , Kishon Vijay Abraham I , Shawn Lin , =?UTF-8?Q?Krzysztof_Wilczy=C5=84ski?= , Bjorn Helgaas , Heiko Stuebner , linux-pci@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Conor Dooley , devicetree@vger.kernel.org, linux-rockchip@lists.infradead.org, Rick Wertenbroek , Niklas Cassel References: <20241011121408.89890-1-dlemoal@kernel.org> <0f2cf12b-3f27-403c-802e-bb8b539766b0@kernel.org> From: Damien Le Moal Content-Language: en-US Organization: Western Digital Research In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 10/19/24 15:24, Anand Moon wrote: > I have a question can new test external low power GPU with external cables > which supports PCI host (RC mode) with external power supply for GPU card. I do not understand this sentence. > Which mode is suitable for the PCIe endpoint controller or PCIe host controller? If you do not know/understand what PCI endpoint is, you probably do not need it at all. If you are using your board to simply connect and use regular PCI devices, you do not need the PCI endpoint framework/drivers. -- Damien Le Moal Western Digital Research