From patchwork Sat Apr 15 10:46:10 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Jernej_=C5=A0krabec?= X-Patchwork-Id: 673542 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 786ABC77B71 for ; Sat, 15 Apr 2023 10:48:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230260AbjDOKsI (ORCPT ); Sat, 15 Apr 2023 06:48:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48458 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230061AbjDOKsE (ORCPT ); Sat, 15 Apr 2023 06:48:04 -0400 Received: from mail-ej1-x631.google.com (mail-ej1-x631.google.com [IPv6:2a00:1450:4864:20::631]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4C7AC7D8A; Sat, 15 Apr 2023 03:47:35 -0700 (PDT) Received: by mail-ej1-x631.google.com with SMTP id qb20so51462141ejc.6; Sat, 15 Apr 2023 03:47:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1681555623; x=1684147623; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=ICwYyWWnryvHm9RgRWeq29kRBlsUBNW7tslN8BXiwmU=; b=BQaKk6QpiVmZPeB/smhkVOuNZTbb+v8ly+PlkeCAAUt25cyNgPCVm9EHDY1zU5H9ZJ GVarHQ5Bc6ZcGPe6Bwfk8vERzbJADby9E/E4YAXf9GrGff/klt/bFP/Lm3NC4VKujCGF vHOa1yCSPHf70VHMBwULihW2kIzTwHzKKADr3KbFPA53nKl5Xb6wT9FbFoZv8LTZ/mH5 hTjRz4qA8W12+1+3cOV2vzKvjJMUW0G5cSRcoXl0bdyEgPAPNH3nS2aL9/6bZcLTxOI3 hPzl/BZxx9dUBa0lM+AOa+Ts1Dh7s6E2VR25Q7p8TuWCo5L7ZgLE4cxSLqulgNyQgrIz MzVQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681555623; x=1684147623; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=ICwYyWWnryvHm9RgRWeq29kRBlsUBNW7tslN8BXiwmU=; b=Toj0hslV3eSu4GkIKYe0GOYsuMlI8f0w5GpYbaHjxeXkFlxjZN587UEfnEt3eD/ZLk h/eaq7bvcSDdflXXoIxyJ8lC9VNqHCZbgBNoJ7W7QaMVFnNqV7n5614yfYc0pikDhdJb Ng9vQ3l7DIviECTVBheIonMR62b07JmF2iT6oL8pPyFfYCf2AuBtxwjJeKR3oXqt9dzX omrdjbvTQcohSIMCNp06hXDIVcFUHGQxvz0zy8tV09WOv8gHHB+1UU45sMPqfod5vXay 5T/1ZeaSbvcTDb6A2uv3VGcdzW4NS4ijXIom7AIjXmGJNStdZIXH1Ze/GTVWJmLGEVGI 8WWw== X-Gm-Message-State: AAQBX9dxQJs5OrbhhSBo+QxdolF61wWj18xGWpaVZF3iWUyJdYegc03y ISSWcQWZk/kKM0AtSC/Putw= X-Google-Smtp-Source: AKy350ZlZmmQo025rfm2e2tAa9xyZl6HKwCyENZ72HZZ0DvAjQTuASLgS7n6KD8a24YZf10jRtRI2A== X-Received: by 2002:a17:907:2087:b0:94e:fe0f:b2be with SMTP id pv7-20020a170907208700b0094efe0fb2bemr1577373ejb.14.1681555622742; Sat, 15 Apr 2023 03:47:02 -0700 (PDT) Received: from localhost.localdomain (82-149-1-233.dynamic.telemach.net. [82.149.1.233]) by smtp.gmail.com with ESMTPSA id m15-20020a170906720f00b00947ab65d932sm3607034ejk.83.2023.04.15.03.47.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 15 Apr 2023 03:47:02 -0700 (PDT) From: Jernej Skrabec To: andrzej.hajda@intel.com, neil.armstrong@linaro.org, rfoss@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, wens@csie.org, samuel@sholland.org Cc: Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, airlied@gmail.com, daniel@ffwll.ch, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-media@vger.kernel.org, hverkuil-cisco@xs4all.nl, Jernej Skrabec Subject: [PATCH 0/3] drm/bridge: dw_hdmi: allow to disable CEC from DT Date: Sat, 15 Apr 2023 12:46:10 +0200 Message-Id: <20230415104613.61224-1-jernej.skrabec@gmail.com> X-Mailer: git-send-email 2.40.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Boards can have perfectly working DW HDMI CEC implementation but they may prefer to use bit banged implementation instead. This is the situation on Beelink X2. Add DW HDMI DT property for disabling CEC. This prevents confusion on userspace side by not exposing unused CEC interface. Best regards, Jernej Jernej Skrabec (3): dt-bindings: display: synopsys,dw-hdmi: Add property for disabling CEC drm/bridge: dw_hdmi: Handle snps,disable-cec property ARM: dts: sun8i: h3: beelink-x2: Disable DW-HDMI CEC .../devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml | 5 +++++ arch/arm/boot/dts/sun8i-h3-beelink-x2.dts | 1 + drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 4 +++- 3 files changed, 9 insertions(+), 1 deletion(-)