From patchwork Mon Jul 13 12:41:44 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: 11659589 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 6D6ED138C for ; Mon, 13 Jul 2020 12:42:22 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 4A9FD20773 for ; Mon, 13 Jul 2020 12:42:22 +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="HxH+18pr" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4A9FD20773 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 96D9089BF4; Mon, 13 Jul 2020 12:42:21 +0000 (UTC) X-Original-To: dri-devel@freedesktop.org Delivered-To: dri-devel@freedesktop.org Received: from mail29.static.mailgun.info (mail29.static.mailgun.info [104.130.122.29]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3E5C089BF4 for ; Mon, 13 Jul 2020 12:42:19 +0000 (UTC) DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1594644140; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=tpgQ7B5Zbt4hN4/eKtYhJl7sr6zLMdxXioEU62OLUCo=; b=HxH+18prh7IcQBy4VUpiVkedVf0PLUIvuvDc3lbSYezZYiNppFrEgTm0bRuL1bG40nkyPakf GkCddOLaB7UHvnNJuHG48qLaOrvqh2kaCaM/0bHJhImby+rkGjyhw5y91upWW+t8TYmrOdH2 DmIom0FKSfA/+EekMqqJ+ElYJ5Y= X-Mailgun-Sending-Ip: 104.130.122.29 X-Mailgun-Sid: WyIxOTRiMSIsICJkcmktZGV2ZWxAZnJlZWRlc2t0b3Aub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n12.prod.us-west-2.postgun.com with SMTP id 5f0c56a910127684904702b2 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Mon, 13 Jul 2020 12:42:17 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id A84B4C433CB; Mon, 13 Jul 2020 12:42:16 +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 (unknown [202.46.22.19]) (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 A87F4C43391; Mon, 13 Jul 2020 12:42:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org A87F4C43391 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 Subject: [PATCH v5 4/6] arm64: dts: qcom: SDM845: Enable GPU DDR bw scaling Date: Mon, 13 Jul 2020 18:11:44 +0530 Message-Id: <1594644106-22449-5-git-send-email-akhilpo@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1594644106-22449-1-git-send-email-akhilpo@codeaurora.org> References: <1594644106-22449-1-git-send-email-akhilpo@codeaurora.org> 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: , Cc: devicetree@vger.kernel.org, jonathan@marek.ca, saravanak@google.com, linux-arm-msm@vger.kernel.org, smasetty@codeaurora.org, linux-kernel@vger.kernel.org, mka@chromium.org, dri-devel@freedesktop.org, viresh.kumar@linaro.org, sibis@codeaurora.org MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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>; }; }; };