From patchwork Wed Feb 19 21:32:56 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jordan Crouse X-Patchwork-Id: 190307 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=-9.5 required=3.0 tests=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=ham 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 8DED6C34022 for ; Wed, 19 Feb 2020 21:33:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 625C824670 for ; Wed, 19 Feb 2020 21:33:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="cVd5LpRY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727656AbgBSVdQ (ORCPT ); Wed, 19 Feb 2020 16:33:16 -0500 Received: from mail27.static.mailgun.info ([104.130.122.27]:49136 "EHLO mail27.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727589AbgBSVdP (ORCPT ); Wed, 19 Feb 2020 16:33:15 -0500 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1582147995; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=ut8jzi9vRb4lppctqPUVYJg9Q2+ACOmilLmkDbNVngA=; b=cVd5LpRYUTCybvfQTWuAeBUDZ0dJy3I9Xhrt8JPZ8YegEFKytnoKH4ZOrbV9I4YVgJVtzq/d GDLP7xGlJn7Dz57ubmN6cc+ujB2916+ozxPLdqlIjStDzMY30x4gVjiX2KGYEZfaqzZ8AW8p bfSkcnx8Em4wx+EjTJ1GBZP8Ubk= X-Mailgun-Sending-Ip: 104.130.122.27 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 mxa.mailgun.org with ESMTP id 5e4da993.7f54d14b0d18-smtp-out-n01; Wed, 19 Feb 2020 21:33:07 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id C7D0FC433A2; Wed, 19 Feb 2020 21:33:07 +0000 (UTC) Received: from jcrouse1-lnx.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: jcrouse) by smtp.codeaurora.org (Postfix) with ESMTPSA id 10EEAC4479C; Wed, 19 Feb 2020 21:33:04 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 10EEAC4479C 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=jcrouse@codeaurora.org From: Jordan Crouse To: linux-arm-msm@vger.kernel.org Cc: John Stultz , Sean Paul , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Rob Herring , Rob Clark , David Airlie , Mark Rutland , freedreno@lists.freedesktop.org, Daniel Vetter Subject: [PATCH v1 2/4] dt-bindings: display: msm: Add required dma-range property Date: Wed, 19 Feb 2020 14:32:56 -0700 Message-Id: <1582147978-31475-3-git-send-email-jcrouse@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1582147978-31475-1-git-send-email-jcrouse@codeaurora.org> References: <1582147978-31475-1-git-send-email-jcrouse@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org The GMU node now requires a specific dma-range property so that the driver can use the DMA API to do the few memory allocations required by the GMU. This sets the IOMMU iova allocadtor to match the 'uncached' part of the GMU virtual address space. Signed-off-by: Jordan Crouse --- Documentation/devicetree/bindings/display/msm/gmu.yaml | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/Documentation/devicetree/bindings/display/msm/gmu.yaml b/Documentation/devicetree/bindings/display/msm/gmu.yaml index 776ff92..6952d5a 100644 --- a/Documentation/devicetree/bindings/display/msm/gmu.yaml +++ b/Documentation/devicetree/bindings/display/msm/gmu.yaml @@ -83,6 +83,13 @@ properties: Phandle to the OPP table for the available GMU frequencies. Refer to ../../opp/opp.txt for more information. + dma-ranges: + $ref: /schemas/types.yaml#/definitions/uint32-array + description: + Describe the dma-address range for the device. This should always + describe the range between 0x60000000 and 0x80000000 which represents + the uncached region of the GMU address space. + required: - compatible - reg @@ -95,6 +102,7 @@ required: - power-domain-names - iommus - operating-points-v2 + - dma-ranges examples: - | @@ -127,4 +135,6 @@ examples: iommus = <&adreno_smmu 5>; operating-points-v2 = <&gmu_opp_table>; + + dma-ranges = <0 0x60000000 0 0x60000000 0 0x80000000>; };