From patchwork Wed Oct 28 13:39:54 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: 11875371 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 764A1C388F7 for ; Wed, 28 Oct 2020 13:40:16 +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 EA73324671 for ; Wed, 28 Oct 2020 13:40:15 +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="LN+RXVf7" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EA73324671 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 551DE6E4F4; Wed, 28 Oct 2020 13:40:15 +0000 (UTC) Received: from m42-4.mailgun.net (m42-4.mailgun.net [69.72.42.4]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2FCE56E4F4 for ; Wed, 28 Oct 2020 13:40:14 +0000 (UTC) DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1603892414; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=H308bgHtNMckRynOpOEBssH/vo6aQHBFl+tdwdPWVmU=; b=LN+RXVf78XyRdk+CJZNcZGAqm/xUXr1ULZZpXhqsw+116rUf6eY/00sFE4Mmm3zq48GHvOph eQnnxhsDZCLbG/83VQJ0ERczP6ACj+HD6e69ZU9bh5IXdPAJ2lxVVf31HgWvhB+5G8uuHiDv CTdEVhppu2RAPot6mMHRn9JnNo8= X-Mailgun-Sending-Ip: 69.72.42.4 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-n02.prod.us-west-2.postgun.com with SMTP id 5f9974bc1fc42e8c0303ffa0 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Wed, 28 Oct 2020 13:40:12 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id D0C54C43391; Wed, 28 Oct 2020 13:40:12 +0000 (UTC) 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 6BECEC433A0; Wed, 28 Oct 2020 13:40:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 6BECEC433A0 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=fail smtp.mailfrom=akhilpo@codeaurora.org From: Akhil P Oommen To: freedreno@lists.freedesktop.org, devicetree@vger.kernel.org Subject: [PATCH v3 3/3] dt-bindings: drm/msm/gpu: Add cooling device support Date: Wed, 28 Oct 2020 19:09:54 +0530 Message-Id: <1603892395-3570-3-git-send-email-akhilpo@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1603892395-3570-1-git-send-email-akhilpo@codeaurora.org> References: <1603892395-3570-1-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: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, dianders@chromium.org, mka@chromium.org, dri-devel@freedesktop.org MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add cooling device support to gpu. A cooling device is bound to a thermal zone to allow thermal mitigation. Signed-off-by: Akhil P Oommen Reviewed-by: Matthias Kaehlcke --- Documentation/devicetree/bindings/display/msm/gpu.txt | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/Documentation/devicetree/bindings/display/msm/gpu.txt b/Documentation/devicetree/bindings/display/msm/gpu.txt index 1af0ff1..090dcb3 100644 --- a/Documentation/devicetree/bindings/display/msm/gpu.txt +++ b/Documentation/devicetree/bindings/display/msm/gpu.txt @@ -39,6 +39,10 @@ Required properties: a4xx Snapdragon SoCs. See Documentation/devicetree/bindings/sram/qcom,ocmem.yaml. +Optional properties: +- #cooling-cells: The value must be 2. For details, please refer + Documentation/devicetree/bindings/thermal/thermal-cooling-devices.yaml. + Example 3xx/4xx: / { @@ -61,6 +65,7 @@ Example 3xx/4xx: power-domains = <&mmcc OXILICX_GDSC>; operating-points-v2 = <&gpu_opp_table>; iommus = <&gpu_iommu 0>; + #cooling-cells = <2>; }; gpu_sram: ocmem@fdd00000 { @@ -98,6 +103,8 @@ Example a6xx (with GMU): reg = <0x5000000 0x40000>, <0x509e000 0x10>; reg-names = "kgsl_3d0_reg_memory", "cx_mem"; + #cooling-cells = <2>; + /* * Look ma, no clocks! The GPU clocks and power are * controlled entirely by the GMU