From patchwork Thu Feb 23 13:43:29 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: AngeloGioacchino Del Regno X-Patchwork-Id: 5792 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a5d:5915:0:0:0:0:0 with SMTP id v21csp318504wrd; Thu, 23 Feb 2023 05:44:38 -0800 (PST) X-Google-Smtp-Source: AK7set/bcpl75I7sv8uAlvZ5eKpWBvNPqtm7HwaMyC7iXq38Sb3P+ogQD0ffIoixoXCe09CNIdVg X-Received: by 2002:a05:6402:11c6:b0:4af:593c:c07f with SMTP id j6-20020a05640211c600b004af593cc07fmr10377260edw.3.1677159878601; Thu, 23 Feb 2023 05:44:38 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1677159878; cv=none; d=google.com; s=arc-20160816; b=RvatwH8sUsMz+hJWGMz3o0HiyHMG3xZiYYji22aNSu0MM7cnhX0Sv/gRxBvBHbS792 S8n8WRVOXcYkIrLJb4Iylcqr2PhgITFyC6UnLWj7KkEwd/b91g+NH5rwlzubmAtdjACA 7B+uuCbozvrMiRZc6+kRUGN3ZD+mo0+VJ3xTtf5/QNTNpAShwPf4nwQNVrk5H6l1fKkD aekzNqIA8i9LDfx2ouPhzl4xmU6iSIX/bgBxWImv6dh9EOFNVYJM1wiAT85MFIwFx9Vq EcylCvNb37pHzWyVFRrDwurmRw4ObwkP9C405e2j9s1YOYonzDaYXw75lPANaXlUjEoh 9SIw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from:dkim-signature; bh=tcDrEAMKPs00auLDSDbLDnNOA86qg1drBPhGMx0FJoo=; b=0pGpkbEuLPmCjxV5+Iv7hqiNiRLC99Qsy48L12Jf4LViagVbP/V+38+wBUi2dO9Ukw 3gn2NYmqM6drw+zfLF8Q9hAEdxCFF2AR0eoCBwSMMjsgk8dvZ/Oyfi/ve7GZ0WYYmGmc tolc4e+0hsQBtzshHCIJJvity6284HhJLBWLZmr1Aao5//ZWSV4cjA7ei4kv6Kx1lK1c 1WqqIoaKRq7019D6XjcCRRaSukxPn+hYSJ4tvTymUZu+CIJU8j3gE/Y5GWtBjZCre3j7 xqj59b3CaoanRCjiKzsLnS4vaHd4rkDKoW1ZdFhZdt1usHYxLhsmil0OS1DKJ0rY8ul2 83mA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@collabora.com header.s=mail header.b=fsD0NKgV; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=collabora.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id bf10-20020a170906c50a00b008c5c37e479csi16851166ejb.608.2023.02.23.05.44.14; Thu, 23 Feb 2023 05:44:38 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@collabora.com header.s=mail header.b=fsD0NKgV; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=collabora.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234238AbjBWNn7 (ORCPT + 99 others); Thu, 23 Feb 2023 08:43:59 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47536 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234061AbjBWNn6 (ORCPT ); Thu, 23 Feb 2023 08:43:58 -0500 Received: from madras.collabora.co.uk (madras.collabora.co.uk [46.235.227.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1CB154DE21; Thu, 23 Feb 2023 05:43:57 -0800 (PST) Received: from IcarusMOD.eternityproject.eu (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madras.collabora.co.uk (Postfix) with ESMTPSA id 6D3D96602206; Thu, 23 Feb 2023 13:43:55 +0000 (GMT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1677159835; bh=kcWtsl7kt6vskygEy/KjJuQ2tTbCD0wsvaj9dsJ3sHY=; h=From:To:Cc:Subject:Date:From; b=fsD0NKgVghv0d1bNIskDjH0rGdpRGIHsVJrgkm9GCaIZ4ipNQm4+0yRR0lZeU0cMt NP/Hf9RXoOI+PdcgIJu0qba8DSLcY9goY4kYwGgUoUrDIUnyj8VTMwxoyOVGgxNrju aHmgTwdLMJfiu5Y61fqy9ns9og63pAtqPvX80+NvNeRGRcf8qbdemQ5r0bnvhc4bJl yN8zN3ZDUE/cd4xbowQ8xugXP73mRZMh6g/TuHThCyAKv/0uxZ3nuD7F72QSdjfER6 m90eUOzpnAqMPbCy1/abhIX/bVvheKDffJTxdNTpiv774XpcbcVnOuxJxJg7eFUYqq z/6qI0ZhzdDgA== From: AngeloGioacchino Del Regno To: matthias.bgg@gmail.com Cc: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, angelogioacchino.delregno@collabora.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, wenst@chromium.org Subject: [PATCH v2 00/16] Enable GPU with DVFS support on MediaTek SoCs Date: Thu, 23 Feb 2023 14:43:29 +0100 Message-Id: <20230223134345.82625-1-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1758629596856556875?= X-GMAIL-MSGID: =?utf-8?q?1758629596856556875?= Changes in v2: - Changed MT8186 to use only two power domains for the GPU. We finally have working GPU DVFS on MediaTek SoCs. On Panfrost. For real. ...and the best part is that it's going upstream. In order to get GPU DVFS working, it was necessary to satisfy a specific constraint (which is different, depending on the SoC) between two regulators: GPU VCORE and GPU SRAM. This was done through adding the mtk-regulator-coupler driver, which transparently manages the voltage relation between these two vregs, hence completely eliminating the need to manage these regulators in the Panfrost driver; this solves the long standing issue with devfreq+opp tables not supporting managing voltages for two regulators per opp entry out of the box, due to which we never got GPU DVFS on those SoCs, often locking them out to a low GPU frequency. This changes. Right now! Tested on MT8192, MT8195 Chromebooks. This series depends on [1]. [1]: https://lore.kernel.org/lkml/20230223133440.80941-1-angelogioacchino.delregno@collabora.com/ Alyssa Rosenzweig (2): arm64: dts: mediatek: mt8192: Add GPU nodes arm64: dts: mediatek: mt8192-asurada: Enable GPU AngeloGioacchino Del Regno (13): arm64: dts: mediatek: mt8183-kukui: Couple VGPU and VSRAM_GPU regulators arm64: dts: mediatek: mt8183-kukui: Override vgpu/vsram_gpu constraints arm64: dts: mediatek: mt8183: Remove second opp-microvolt entries from gpu table arm64: dts: mt8183-pumpkin: Couple VGPU and VSRAM_GPU regulators arm64: dts: mediatek: mt8183-evb: Couple VGPU and VSRAM_GPU regulators arm64: dts: mediatek: mt8183: Use mediatek,mt8183b-mali as GPU compatible arm64: dts: mediatek: mt8192: Add mfg_ref_sel clock to MFG0 domain arm64: dts: mediatek: mt8192-asurada: Assign sram supply to MFG1 pd arm64: dts: mediatek: mt8192-asurada: Couple VGPU and VSRAM_OTHER regulators arm64: dts: mediatek: mt8195: Add mfg_core_tmp clock to MFG1 domain arm64: dts: mt8195: Add panfrost node for Mali-G57 Valhall Natt GPU arm64: dts: mediatek: mt8195-cherry: Enable Mali-G57 GPU arm64: dts: mediatek: mt8186: Add GPU node Nícolas F. R. A. Prado (1): arm64: dts: mediatek: mt8192-asurada: Add MFG0 domain supply arch/arm64/boot/dts/mediatek/mt8183-evb.dts | 11 +- .../arm64/boot/dts/mediatek/mt8183-kukui.dtsi | 17 ++- .../boot/dts/mediatek/mt8183-pumpkin.dts | 11 +- arch/arm64/boot/dts/mediatek/mt8183.dtsi | 34 ++--- arch/arm64/boot/dts/mediatek/mt8186.dtsi | 17 +++ .../boot/dts/mediatek/mt8192-asurada.dtsi | 22 ++++ arch/arm64/boot/dts/mediatek/mt8192.dtsi | 118 +++++++++++++++++- .../boot/dts/mediatek/mt8195-cherry.dtsi | 5 + arch/arm64/boot/dts/mediatek/mt8195.dtsi | 95 +++++++++++++- 9 files changed, 304 insertions(+), 26 deletions(-) Tested-by: Chen-Yu Tsai