From patchwork Mon Mar 30 22:11:03 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Blumenstingl X-Patchwork-Id: 11466425 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AA66381 for ; Mon, 30 Mar 2020 22:12:33 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 883EC206CC for ; Mon, 30 Mar 2020 22:12:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Y2lA5rE8"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=googlemail.com header.i=@googlemail.com header.b="gSjEgukU" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 883EC206CC Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=googlemail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-amlogic-bounces+patchwork-linux-amlogic=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Pmu8cXdQiSwA89tsgGa0PxanyUzjEmFjd1PQc8ZYp48=; b=Y2lA5rE8X1lwJq tjWBqFH4IZd00XY7negjilK9xeOjCNeBemSFfSaG2Pfm+0OepYRJpmDYshk49qdKqCmkxVPkj6yzb UVDA+YP/VyKyRVYY/lpO0yMubPXWIbGRoEy2c85IyiW0Wx0CpjiS14Mr/TTPm3DHtTSDBOeL1QdRP meJ206VZzM3SmRGXkKhPvz1+rt/84JRqyqE2Oe94xAMwH2e1u9dQkPGslgAAkq4Ia82CB2LeVTE9e yKQNYoCBTwxR2tdSrHB+tvmtgNMR/Z+UCy7kPCF0ZrjKV8CbsyTeDCjxJ0Q5GtX6WBmRF1xTMJOQ/ GyG7nJVoNXSEqTFiSIsA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jJ2e0-0002nf-D2; Mon, 30 Mar 2020 22:12:32 +0000 Received: from mail-wm1-x344.google.com ([2a00:1450:4864:20::344]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jJ2d4-0001lK-Cg; Mon, 30 Mar 2020 22:11:36 +0000 Received: by mail-wm1-x344.google.com with SMTP id t128so500866wma.0; Mon, 30 Mar 2020 15:11:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=0cKp3v348vmyZeRheT+gdcc+gPdXRTpNkP+LQYIKnRY=; b=gSjEgukUqEEFV5PGf6eqXlNOdSmlijDI9Trne9JLdp++Q3i8ZTE8F9E1nWyxJs87+s 2aJapUm5GSI1GekjpCVqG/KT0baw06lJdLtJgesPGw6ljriLeEpfup3I0dm+pbvL7jn/ xZ27MfgHxZ7b8TiFWchs6Wv/hG27na7pRzCnM7ngQkKA8QgAItsu5rMd4g/aH69NzpkD UVyFqzPYcE6drMPOoGh6qk+fRLpE06IG4CVR0cnMM3YqmTRDtNQNIeP4Wc97L79/+A3d 0z6D4+pKtBh+8MlYKFMtQxa6w+r21JMn0HfSIvk0UuuHYHqGdvKhImwKbdP9MbdnvOLz jz+w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=0cKp3v348vmyZeRheT+gdcc+gPdXRTpNkP+LQYIKnRY=; b=bEENqcF5GUjYxcUXf3fKLGTs1oIEkCkz0tgg/gqNDYkX1JX1aWzPlr09Zy02NX4coY R+N6ySd3Qmv5Yq4FjEDtkVlTQ4KBTIAUbQwce24kXpyO0Ue36jhls/YklNHEJ9ytcp9F 12RZGwzX4JwN8w6oA2Z7vkw7ddyBzvkpB/gqTyhOehOq8XrZM5T0FpSkkeh8OVaxQxOL L0xX1eI7HU7ZBp67TuJ5jQpAkhKv1qYjl6B9fB9aa2jZ8LFF4h9hd3Ah+/I08KmbfMil YS6pK973rMEELlwNpDh0NEYBfYKQv7bbW4Vg750iHeBlzrx1FZoeBhM1f8eKeKk9Kn5n fvbA== X-Gm-Message-State: ANhLgQ3aJdgf2yY6k7qbfvyTMqdIcLCYl35mmdC5RTXGzVKn6VGU4EUw nGMUG2njR7uIE+/XloCmclLzlVgy X-Google-Smtp-Source: ADFU+vvjxSgdZSTx/q1zOs3QcY6XqTZOQEjlrmxJJzC3LdIEuRPhuZATHElr4P4u3rb8X9N0RauShw== X-Received: by 2002:a7b:c145:: with SMTP id z5mr212421wmi.55.1585606292625; Mon, 30 Mar 2020 15:11:32 -0700 (PDT) Received: from localhost.localdomain (p200300F13710ED00428D5CFFFEB99DB8.dip0.t-ipconnect.de. [2003:f1:3710:ed00:428d:5cff:feb9:9db8]) by smtp.googlemail.com with ESMTPSA id b187sm1260509wmc.14.2020.03.30.15.11.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Mar 2020 15:11:32 -0700 (PDT) From: Martin Blumenstingl To: linux-amlogic@lists.infradead.org, khilman@baylibre.com, jbrunet@baylibre.com, narmstrong@baylibre.com Subject: [RFC v1 4/5] arm64: dts: amlogic: meson-gxm: add the Mali OPP table and use DVFS Date: Tue, 31 Mar 2020 00:11:03 +0200 Message-Id: <20200330221104.3163788-5-martin.blumenstingl@googlemail.com> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200330221104.3163788-1-martin.blumenstingl@googlemail.com> References: <20200330221104.3163788-1-martin.blumenstingl@googlemail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200330_151134_571410_A146F7CF X-CRM114-Status: GOOD ( 10.96 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:344 listed in] [list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider [martin.blumenstingl[at]googlemail.com] -0.0 SPF_PASS SPF: sender matches SPF record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Martin Blumenstingl , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+patchwork-linux-amlogic=patchwork.kernel.org@lists.infradead.org Add the OPP table for the Mali-T820 GPU and drop the hardcoded initial clock configuration. This enables GPU DVFS and thus saves power when the GPU is not in use while still being able switch to a higher clock on demand. Signed-off-by: Martin Blumenstingl --- arch/arm64/boot/dts/amlogic/meson-gxm.dtsi | 45 ++++++++++++++-------- 1 file changed, 30 insertions(+), 15 deletions(-) diff --git a/arch/arm64/boot/dts/amlogic/meson-gxm.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxm.dtsi index b6f89f108e28..0f1d1cf4248f 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxm.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gxm.dtsi @@ -82,6 +82,35 @@ cpu7: cpu@103 { #cooling-cells = <2>; }; }; + + gpu_opp_table: opp-table { + compatible = "operating-points-v2"; + + opp-125000000 { + opp-hz = /bits/ 64 <125000000>; + opp-microvolt = <950000>; + }; + opp-250000000 { + opp-hz = /bits/ 64 <250000000>; + opp-microvolt = <950000>; + }; + opp-285714285 { + opp-hz = /bits/ 64 <285714285>; + opp-microvolt = <950000>; + }; + opp-400000000 { + opp-hz = /bits/ 64 <400000000>; + opp-microvolt = <950000>; + }; + opp-500000000 { + opp-hz = /bits/ 64 <500000000>; + opp-microvolt = <950000>; + }; + opp-666666666 { + opp-hz = /bits/ 64 <666666666>; + opp-microvolt = <950000>; + }; + }; }; &apb { @@ -106,21 +135,7 @@ mali: gpu@c0000 { interrupt-names = "job", "mmu", "gpu"; clocks = <&clkc CLKID_MALI>; resets = <&reset RESET_MALI_CAPB3>, <&reset RESET_MALI>; - - /* - * Mali clocking is provided by two identical clock paths - * MALI_0 and MALI_1 muxed to a single clock by a glitch - * free mux to safely change frequency while running. - */ - assigned-clocks = <&clkc CLKID_MALI_0_SEL>, - <&clkc CLKID_MALI_0>, - <&clkc CLKID_MALI>; /* Glitch free mux */ - assigned-clock-parents = <&clkc CLKID_FCLK_DIV3>, - <0>, /* Do Nothing */ - <&clkc CLKID_MALI_0>; - assigned-clock-rates = <0>, /* Do Nothing */ - <666666666>, - <0>; /* Do Nothing */ + operating-points-v2 = <&gpu_opp_table>; }; };