From patchwork Thu Jul 9 20:00:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Akhil P Oommen X-Patchwork-Id: 11655039 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 D34C9739 for ; Thu, 9 Jul 2020 20:01:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BA5E2207DF for ; Thu, 9 Jul 2020 20:01:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="VxsYP76q" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726794AbgGIUBr (ORCPT ); Thu, 9 Jul 2020 16:01:47 -0400 Received: from mail29.static.mailgun.info ([104.130.122.29]:47754 "EHLO mail29.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726433AbgGIUBr (ORCPT ); Thu, 9 Jul 2020 16:01:47 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1594324906; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=tpgQ7B5Zbt4hN4/eKtYhJl7sr6zLMdxXioEU62OLUCo=; b=VxsYP76qW85NyWerIhhN1WWhSQt174BJKHogcEXGRju7mQGank9OuOUUSvH54goVJvNVZOOh 9YGWGpK/g2ewWxHXCjzYLokOuRUBELbLUjOh/hpQoeL5rhIzq3dm8GZsxXxMXM4W944Epimx YUtprOYAWrjNYfAK9PIDYA8TaAM= X-Mailgun-Sending-Ip: 104.130.122.29 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n14.prod.us-west-2.postgun.com with SMTP id 5f07778a6e56afc68d8db353 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Thu, 09 Jul 2020 20:01:14 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 00FBFC433AD; Thu, 9 Jul 2020 20:01:13 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=2.0 tests=ALL_TRUSTED,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.0 Received: from akhilpo-linux.qualcomm.com (blr-c-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: akhilpo) by smtp.codeaurora.org (Postfix) with ESMTPSA id 5BC24C433CA; Thu, 9 Jul 2020 20:01:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 5BC24C433CA Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=akhilpo@codeaurora.org From: Akhil P Oommen To: freedreno@lists.freedesktop.org Cc: dri-devel@freedesktop.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, jcrouse@codeaurora.org, smasetty@codeaurora.org, devicetree@vger.kernel.org, mka@chromium.org, saravanak@google.com, sibis@codeaurora.org, viresh.kumar@linaro.org, jonathan@marek.ca Subject: [PATCH v4 5/7] arm64: dts: qcom: SDM845: Enable GPU DDR bw scaling Date: Fri, 10 Jul 2020 01:30:25 +0530 Message-Id: <1594324828-9571-6-git-send-email-akhilpo@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1594324828-9571-1-git-send-email-akhilpo@codeaurora.org> References: <1594324828-9571-1-git-send-email-akhilpo@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: Sharat Masetty This patch adds the interconnects property for the gpu node and the opp-peak-kBps property to the opps of the gpu opp table. This should help enable DDR bandwidth scaling dynamically and proportionally to the GPU frequency. Signed-off-by: Sharat Masetty Signed-off-by: Akhil P Oommen --- arch/arm64/boot/dts/qcom/sdm845.dtsi | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi index 8eb5a31..5e9561a 100644 --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi @@ -3515,42 +3515,51 @@ qcom,gmu = <&gmu>; + interconnects = <&mem_noc MASTER_GFX3D &mem_noc SLAVE_EBI1>; + gpu_opp_table: opp-table { compatible = "operating-points-v2"; opp-710000000 { opp-hz = /bits/ 64 <710000000>; opp-level = ; + opp-peak-kBps = <7216000>; }; opp-675000000 { opp-hz = /bits/ 64 <675000000>; opp-level = ; + opp-peak-kBps = <7216000>; }; opp-596000000 { opp-hz = /bits/ 64 <596000000>; opp-level = ; + opp-peak-kBps = <6220000>; }; opp-520000000 { opp-hz = /bits/ 64 <520000000>; opp-level = ; + opp-peak-kBps = <6220000>; }; opp-414000000 { opp-hz = /bits/ 64 <414000000>; opp-level = ; + opp-peak-kBps = <4068000>; }; opp-342000000 { opp-hz = /bits/ 64 <342000000>; opp-level = ; + opp-peak-kBps = <2724000>; }; opp-257000000 { opp-hz = /bits/ 64 <257000000>; opp-level = ; + opp-peak-kBps = <1648000>; }; }; };