From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.6 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,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 584C7C11D19 for ; Thu, 20 Feb 2020 18:27:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 35DDB208E4 for ; Thu, 20 Feb 2020 18:27:20 +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="OVnOr4hZ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728841AbgBTS1T (ORCPT ); Thu, 20 Feb 2020 13:27:19 -0500 Received: from mail27.static.mailgun.info ([104.130.122.27]:58217 "EHLO mail27.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728759AbgBTS1R (ORCPT ); Thu, 20 Feb 2020 13:27:17 -0500 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1582223236; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=TtQnAzuOnawmPyg3olptl7R6/eprOggIRL7i9+AU+Zo=; b=OVnOr4hZMQwQLNkXA2OhrW4zppMV4L1pM1jb0EM9jvAxQNG9sTRldW6pvypfUeN+k7OO7/Mv m6ds6n3FnJAyquQlKxOjhzifS6jKTFZSSg+BTDzyegatqgUs+w1jElPc9SWOw5k32n3Ig15J LKz1W8YxHlWIrNuPkFMx8a0sYB4= X-Mailgun-Sending-Ip: 104.130.122.27 X-Mailgun-Sid: WyI0MWYwYSIsICJsaW51eC1rZXJuZWxAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd 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 5e4ecf79.7f0c62fb6f10-smtp-out-n01; Thu, 20 Feb 2020 18:27:05 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 4ADFAC447A5; Thu, 20 Feb 2020 18:27:05 +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 7253BC4479C; Thu, 20 Feb 2020 18:27:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 7253BC4479C 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: smasetty@codeaurora.org, 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 v2 2/4] dt-bindings: display: msm: Add required dma-range property Date: Thu, 20 Feb 2020 11:26:54 -0700 Message-Id: <1582223216-23459-3-git-send-email-jcrouse@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1582223216-23459-1-git-send-email-jcrouse@codeaurora.org> References: <1582223216-23459-1-git-send-email-jcrouse@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 allocator to match the 'uncached' part of the GMU virtual address space. v2: Fix the dma-ranges tag. The third pair should be the size. 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..d11a073 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 0x20000000>; }; -- 2.7.4