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 2AE5FC61DB9 for ; Sun, 30 Aug 2026 09:50:41 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 65CE510E16B; Sun, 30 Aug 2026 09:50:40 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="Bgzta3yB"; dkim-atps=neutral Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9574510E16B for ; Sun, 30 Aug 2026 09:50:38 +0000 (UTC) Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 882F8600AE; Sun, 30 Aug 2026 09:50:37 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0E7461F000E9; Sun, 30 Aug 2026 09:50:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788083437; bh=FYIfK3uTkNCT+KVZTnBM/k5ekM0A7fNCMCiGAvjFqVQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=Bgzta3yB5Kc4FdjDdpPuSyRmToIgrAt4Cn/vsD2/opxxWp6r17x0Ciz8B96v+yuPn 9ttxB9scgLD5vFo+TazrVVI6kZBRtMhhAzcdtEGsXoXadOftOOZCevSHlNMvO32HW2 /a02G/FsEqsRm/9zTUs7dREtKHpqRtWIGqeBHaYiVQK2AkJ20MsD9Z6vY+vJToLqjh mu/matyEEx9hsMR/UrK8vZfS0OKIOQB1SxQbSwRlVij4LSHHXzlBI5Rtzp+5nQb7lB 8GmOBpbgrpCRQJD165QpyiTUsNem2oU2JWeaB2C/sbc6OMNIUyAf4HosHJxP8osAv5 4LiBgKvz6fupw== Date: Sun, 30 Aug 2026 11:50:32 +0200 From: Krzysztof Kozlowski To: Vinayak Katoch Cc: Srinivas Kandagatla , Ekansh Gupta , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Arnd Bergmann , Greg Kroah-Hartman , Bjorn Andersson , Konrad Dybcio , Bharath Kumar , Chenna Kesava Raju , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/6] misc: fastrpc: Add extended IOVA mapping support Message-ID: <20260830-hilarious-controversial-boa-bbcb1d@quoll> References: <20260826-extended-mapping-v1-0-d046c1cb9a9f@oss.qualcomm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20260826-extended-mapping-v1-0-d046c1cb9a9f@oss.qualcomm.com> X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Wed, Aug 26, 2026 at 07:15:42PM +0530, Vinayak Katoch wrote: > > - Two new UAPI flags (FASTRPC_MAP_FD_EXTENDED and > FASTRPC_MAP_FD_DELAYED_EXTENDED) allow userspace to request extended > mapping. When set, fastrpc_map_attach() iterates cctx->ext_cb[] and > retries on -ENOMEM, falling over to the next extended CB if one > exhausts its IOVA space. The SID offset is corrected per-CB so the > IOVA forwarded to the DSP is valid. > > Signed-off-by: Vinayak Katoch > --- > Vinayak Katoch (6): > dt-bindings: misc: fastrpc: Add memory-region property for context bank > misc: fastrpc: Handle multi-cell reg in context bank probe > arm64: dts: qcom: kaanapali: Add CDSP FastRPC extended context bank > arm64: dts: qcom: glymur: Add CDSP FastRPC extended context bank > misc: fastrpc: Add extended context bank support > misc: fastrpc: Add UAPI flags for extended IOVA mapping DTS must not be part of misc posting. Please always split it. Best regards, Krzysztof