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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 349C6C7EE25 for ; Thu, 8 Jun 2023 21:00:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236735AbjFHVAZ (ORCPT ); Thu, 8 Jun 2023 17:00:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53274 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236575AbjFHVAU (ORCPT ); Thu, 8 Jun 2023 17:00:20 -0400 Received: from mail-io1-f47.google.com (mail-io1-f47.google.com [209.85.166.47]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3CCB7269A; Thu, 8 Jun 2023 14:00:19 -0700 (PDT) Received: by mail-io1-f47.google.com with SMTP id ca18e2360f4ac-77a62a84855so50597539f.1; Thu, 08 Jun 2023 14:00:19 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686258018; x=1688850018; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=dJ6xGaMCtOtduGN8pKzDZZjENVHQCmzv4T9O+RDTdsk=; b=kGMeNOysmu9s7s2qaJdmss8zLMqnAY8SsSRcRoHVKkRrOentXcRK5iAS04Skm0gY50 AwxaxoKZHBk1VxwhozyAN5cK75G7jnUmV+kO0ii0X2mBIiuwXbhmKlLEVlSj4MRzwL2x F3sACqNg25tNtmLyASyiBTLVbP8+fZtGLs1/ZhP4tH8RfRhZ4RUyx4brmz9nuYSipbvY prWZMCbKe3yClVR0WBsuPhown7aRjhSwpt4tME6SnfvvEGSs2YoxABUG2vmf5Sm5PLlk 8VWTRq1kccfCF/hrTutWPN8NiAx27cZxMCYjJ91o6miXFjwmUB7h+jTUvL3fvMubLMuh DfXw== X-Gm-Message-State: AC+VfDwwr0ack7bOhfSuAddztk7P8R1bhLy0IFs6c7NWVZvLR/oMWPKq BfmqkYvvW21+Ltq1SqarlQ== X-Google-Smtp-Source: ACHHUZ7AyoffTQ3fi18lH+On2UmZysv1D8RdGu0Kp9eqI3ISi1ouvwHH/Odbc68BBCL+6r74PMk24w== X-Received: by 2002:a05:6602:3311:b0:774:8d9f:e3e2 with SMTP id b17-20020a056602331100b007748d9fe3e2mr8171020ioz.17.1686258018474; Thu, 08 Jun 2023 14:00:18 -0700 (PDT) Received: from robh_at_kernel.org ([64.188.179.250]) by smtp.gmail.com with ESMTPSA id v3-20020a5ec103000000b00763699c3d02sm625027iol.0.2023.06.08.14.00.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Jun 2023 14:00:17 -0700 (PDT) Received: (nullmailer pid 3436092 invoked by uid 1000); Thu, 08 Jun 2023 21:00:15 -0000 Date: Thu, 8 Jun 2023 15:00:15 -0600 From: Rob Herring To: Konrad Dybcio Cc: dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, David Airlie , Dmitry Baryshkov , Rob Herring , Rob Clark , Krzysztof Kozlowski , Rob Clark , Bjorn Andersson , Akhil P Oommen , linux-kernel@vger.kernel.org, Abhinav Kumar , Konrad Dybcio , Marijn Suijten , Sean Paul , Daniel Vetter , Conor Dooley , linux-arm-msm@vger.kernel.org Subject: Re: [PATCH v8 01/18] dt-bindings: display/msm: gpu: Document GMU wrapper-equipped A6xx Message-ID: <168625801365.3436024.3812799547428239987.robh@kernel.org> References: <20230223-topic-gmuwrapper-v8-0-69c68206609e@linaro.org> <20230223-topic-gmuwrapper-v8-1-69c68206609e@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230223-topic-gmuwrapper-v8-1-69c68206609e@linaro.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 29 May 2023 15:52:20 +0200, Konrad Dybcio wrote: > The "GMU Wrapper" is Qualcomm's name for "let's treat the GPU blocks > we'd normally assign to the GMU as if they were a part of the GMU, even > though they are not". It's a (good) software representation of the GMU_CX > and GMU_GX register spaces within the GPUSS that helps us programatically > treat these de-facto GMU-less parts in a way that's very similar to their > GMU-equipped cousins, massively saving up on code duplication. > > The "wrapper" register space was specifically designed to mimic the layout > of a real GMU, though it rather obviously does not have the M3 core et al. > > GMU wrapper-equipped A6xx GPUs require clocks and clock-names to be > specified under the GPU node, just like their older cousins. Account > for that. > > Signed-off-by: Konrad Dybcio > --- > .../devicetree/bindings/display/msm/gpu.yaml | 61 ++++++++++++++++++---- > 1 file changed, 52 insertions(+), 9 deletions(-) > Acked-by: Rob Herring