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=-8.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,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 542F1C43381 for ; Tue, 12 Mar 2019 18:14:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 25BE42087C for ; Tue, 12 Mar 2019 18:14:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="eWuUHuxk"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="AAuNZPUl" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727653AbfCLSOf (ORCPT ); Tue, 12 Mar 2019 14:14:35 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:58586 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727524AbfCLSOT (ORCPT ); Tue, 12 Mar 2019 14:14:19 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 1A8CD61F48; Tue, 12 Mar 2019 18:14:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1552414459; bh=TItnokO3ptuUROJyjnRI1pbipmM6zmQ9NJP7PbJyjek=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=eWuUHuxkrjuxdvr198s0t4+cD34AtoW/OTnmcvEi4MLp7OIIxMYpljwe/eSF2K9Jd hiu68X8h8FQ2y+B2fD9SWS0saDojjV45wWfdXpQ4VcK6N71ToJTxiTcyFha06JwJay URp1t8cui3kNUU3foGHcxbaId5Z2OWwHONWAhDHk= 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@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id B52A661A9A; Tue, 12 Mar 2019 18:14:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1552414453; bh=TItnokO3ptuUROJyjnRI1pbipmM6zmQ9NJP7PbJyjek=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AAuNZPUl4HGrkDvywbmZLIrmwCgAT99CXt3UyjnfgXtvoVfmhmjkGscVYyPIrPhZC srvYSOYGl2hR0fCCrd8clCm6z9LqzCRjNk6AQ5oiK6GrsRI44fX61Ty1P5OJa0zb0m hqUJhmF8vhdhfShO+D6h12UoEYmYsryogyzWnMZQ= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org B52A661A9A Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=jcrouse@codeaurora.org From: Jordan Crouse To: freedreno@lists.freedesktop.org Cc: Bjorn Andersson , Sean Paul , devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Rob Herring , Rob Clark , David Airlie , Mark Rutland , Daniel Vetter Subject: [PATCH v1 3/4] dt-bindings: drm/msm/gpu: Document a5xx / a6xx zap shader region Date: Tue, 12 Mar 2019 12:13:41 -0600 Message-Id: <1552414422-9568-4-git-send-email-jcrouse@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1552414422-9568-1-git-send-email-jcrouse@codeaurora.org> References: <1552414422-9568-1-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 Describe the zap-shader node that defines a reserved memory region to store the zap shader. Signed-off-by: Jordan Crouse --- 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 aad1aef..1e6d870 100644 --- a/Documentation/devicetree/bindings/display/msm/gpu.txt +++ b/Documentation/devicetree/bindings/display/msm/gpu.txt @@ -25,6 +25,9 @@ Required properties: - qcom,gmu: For GMU attached devices a phandle to the GMU device that will control the power for the GPU. Applicable targets: - qcom,adreno-630.2 +- zap-shader: For a5xx and a6xx devices this node contains a memory-region that + points to reserved memory to store the zap shader that can be used to help + bring the GPU out of secure mode. Example 3xx/4xx/a5xx: @@ -71,5 +74,9 @@ Example a6xx (with GMU): operating-points-v2 = <&gpu_opp_table>; qcom,gmu = <&gmu>; + + zap-shader { + memory-region = <&zap_shader_region>; + }; }; }; -- 2.7.4