From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jordan Crouse 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> References: <1552414422-9568-1-git-send-email-jcrouse@codeaurora.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1552414422-9568-1-git-send-email-jcrouse-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: freedreno-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "Freedreno" To: freedreno-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Cc: Mark Rutland , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, David Airlie , linux-arm-msm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, Bjorn Andersson , Rob Clark , Rob Herring , Daniel Vetter , Sean Paul List-Id: linux-arm-msm@vger.kernel.org RGVzY3JpYmUgdGhlIHphcC1zaGFkZXIgbm9kZSB0aGF0IGRlZmluZXMgYSByZXNlcnZlZCBtZW1v cnkgcmVnaW9uCnRvIHN0b3JlIHRoZSB6YXAgc2hhZGVyLgoKU2lnbmVkLW9mZi1ieTogSm9yZGFu IENyb3VzZSA8amNyb3VzZUBjb2RlYXVyb3JhLm9yZz4KLS0tCgogRG9jdW1lbnRhdGlvbi9kZXZp Y2V0cmVlL2JpbmRpbmdzL2Rpc3BsYXkvbXNtL2dwdS50eHQgfCA3ICsrKysrKysKIDEgZmlsZSBj aGFuZ2VkLCA3IGluc2VydGlvbnMoKykKCmRpZmYgLS1naXQgYS9Eb2N1bWVudGF0aW9uL2Rldmlj ZXRyZWUvYmluZGluZ3MvZGlzcGxheS9tc20vZ3B1LnR4dCBiL0RvY3VtZW50YXRpb24vZGV2aWNl dHJlZS9iaW5kaW5ncy9kaXNwbGF5L21zbS9ncHUudHh0CmluZGV4IGFhZDFhZWYuLjFlNmQ4NzAg MTAwNjQ0Ci0tLSBhL0RvY3VtZW50YXRpb24vZGV2aWNldHJlZS9iaW5kaW5ncy9kaXNwbGF5L21z bS9ncHUudHh0CisrKyBiL0RvY3VtZW50YXRpb24vZGV2aWNldHJlZS9iaW5kaW5ncy9kaXNwbGF5 L21zbS9ncHUudHh0CkBAIC0yNSw2ICsyNSw5IEBAIFJlcXVpcmVkIHByb3BlcnRpZXM6CiAtIHFj b20sZ211OiBGb3IgR01VIGF0dGFjaGVkIGRldmljZXMgYSBwaGFuZGxlIHRvIHRoZSBHTVUgZGV2 aWNlIHRoYXQgd2lsbAogICBjb250cm9sIHRoZSBwb3dlciBmb3IgdGhlIEdQVS4gQXBwbGljYWJs ZSB0YXJnZXRzOgogICAgIC0gcWNvbSxhZHJlbm8tNjMwLjIKKy0gemFwLXNoYWRlcjogRm9yIGE1 eHggYW5kIGE2eHggZGV2aWNlcyB0aGlzIG5vZGUgY29udGFpbnMgYSBtZW1vcnktcmVnaW9uIHRo YXQKKyAgcG9pbnRzIHRvIHJlc2VydmVkIG1lbW9yeSB0byBzdG9yZSB0aGUgemFwIHNoYWRlciB0 aGF0IGNhbiBiZSB1c2VkIHRvIGhlbHAKKyAgYnJpbmcgdGhlIEdQVSBvdXQgb2Ygc2VjdXJlIG1v ZGUuCiAKIEV4YW1wbGUgM3h4LzR4eC9hNXh4OgogCkBAIC03MSw1ICs3NCw5IEBAIEV4YW1wbGUg YTZ4eCAod2l0aCBHTVUpOgogCQlvcGVyYXRpbmctcG9pbnRzLXYyID0gPCZncHVfb3BwX3RhYmxl PjsKIAogCQlxY29tLGdtdSA9IDwmZ211PjsKKworCQl6YXAtc2hhZGVyIHsKKwkJCW1lbW9yeS1y ZWdpb24gPSA8JnphcF9zaGFkZXJfcmVnaW9uPjsKKwkJfTsKIAl9OwogfTsKLS0gCjIuNy40Cgpf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpGcmVlZHJlbm8g bWFpbGluZyBsaXN0CkZyZWVkcmVub0BsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0 cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9mcmVlZHJlbm8= 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 ; 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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