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[82.149.1.233]) by smtp.gmail.com with ESMTPSA id m15-20020a170906720f00b00947ab65d932sm3607034ejk.83.2023.04.15.03.47.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 15 Apr 2023 03:47:03 -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 1/3] dt-bindings: display: synopsys, dw-hdmi: Add property for disabling CEC Date: Sat, 15 Apr 2023 12:46:11 +0200 Message-Id: <20230415104613.61224-2-jernej.skrabec@gmail.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230415104613.61224-1-jernej.skrabec@gmail.com> References: <20230415104613.61224-1-jernej.skrabec@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Even though some DW-HDMI controllers have perfectly usable HDMI-CEC implementation, some boards might prefer not to use it or even use software implementation instead. Add property for disabling CEC so driver doesn't expose unused CEC interface, if CEC pin isn't connected anywhere. Signed-off-by: Jernej Skrabec --- .../devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml b/Documentation/devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml index 4b7e54a8f037..624d32c024f6 100644 --- a/Documentation/devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml +++ b/Documentation/devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml @@ -48,6 +48,11 @@ properties: interrupts: maxItems: 1 + snps,disable-cec: + $ref: /schemas/types.yaml#/definitions/flag + description: + Disable HDMI-CEC. + additionalProperties: true ... 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[82.149.1.233]) by smtp.gmail.com with ESMTPSA id m15-20020a170906720f00b00947ab65d932sm3607034ejk.83.2023.04.15.03.47.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 15 Apr 2023 03:47:05 -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 2/3] drm/bridge: dw_hdmi: Handle snps,disable-cec property Date: Sat, 15 Apr 2023 12:46:12 +0200 Message-Id: <20230415104613.61224-3-jernej.skrabec@gmail.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230415104613.61224-1-jernej.skrabec@gmail.com> References: <20230415104613.61224-1-jernej.skrabec@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org New DT property allows to skip CEC initialization. Signed-off-by: Jernej Skrabec Reviewed-by: Robert Foss --- drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c index 603bb3c51027..e7e8199d2fb1 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c @@ -3615,7 +3615,9 @@ struct dw_hdmi *dw_hdmi_probe(struct platform_device *pdev, hdmi->audio = platform_device_register_full(&pdevinfo); } - if (!plat_data->disable_cec && (config0 & HDMI_CONFIG0_CEC)) { + if (!plat_data->disable_cec && + !of_property_read_bool(np, "snps,disable-cec") && + (config0 & HDMI_CONFIG0_CEC)) { cec.hdmi = hdmi; cec.ops = &dw_hdmi_cec_ops; cec.irq = irq; From patchwork Sat Apr 15 10:46:13 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: 674348 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 12287C7619A for ; Sat, 15 Apr 2023 10:48:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230257AbjDOKsX (ORCPT ); Sat, 15 Apr 2023 06:48:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48502 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230213AbjDOKsG (ORCPT ); Sat, 15 Apr 2023 06:48:06 -0400 Received: from mail-ej1-x62f.google.com (mail-ej1-x62f.google.com [IPv6:2a00:1450:4864:20::62f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4407FAF32; Sat, 15 Apr 2023 03:47:36 -0700 (PDT) Received: by mail-ej1-x62f.google.com with SMTP id rp27so14846921ejb.12; Sat, 15 Apr 2023 03:47:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1681555627; x=1684147627; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=dISlVJnWoSaQPOrIVy9KR50yRndMlP9B9wtDi4lm21g=; b=SCjs3vMvK2vVbIo4PEH9d6VWabMBvQohKJbY+fgeqC2sQFvisjZ0GgspZWffRy8dZk y6KeaK7MPnpTR4p3cA/zb5IZvkRki0fwPrItKuI39DExUfQP+Eo6qx7mgNs/2FEkigiQ j565yQ+cmOkG8X7Zts82eUD6V5SoTeVooL9sBYn1KlKioXjtggB3zFRdkewj9WJlvryy 0GUlkG4BcmAyatKWEVvcsIcLHMIomzkba4xtVOiqTgWqI4AzbA9mWG1hk0mSGJrbvd1B ghkuN13whkF8Wf6Z0FDvWBOofX5TIOv6hWP2k1UpuJbPYjl5OsdvaoMlFNnxs+Vhc7eL 70qw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1681555627; x=1684147627; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=dISlVJnWoSaQPOrIVy9KR50yRndMlP9B9wtDi4lm21g=; b=M7XVEhkvAMBo8EHep/agsCmtJrUGTKQ9+IatqIcjmhdNH7pOMVdXBo6H+WVU0ngHGM lYKrOsb8tCgWAajvnJvI2tllVnTYCZgvFbaAXXKEw03HN3tUG5HPfP8AgjBL8SP1UX2q cCtj/futR51Bv/I0Mf6GOftqlcCf9ZfGnx87u6bKZdwNlXW1tNsUL23zmMHxv7gaqnrn TwNwnUvH0AY3gM5iAFc2xv2tdu6dmNwCvPSFsybXaDm8ghzmxfV2HNWEadxyyzmagv9s pGguY9Irc+n0xwinwX2sLXsNBz6kn+TywQrXvsgZ6aLsX2yE3cDMvRjWBp/+KqdBbM44 bZJA== X-Gm-Message-State: AAQBX9cRrHJ66+a7UHpfXmybIFXE9SSGzS9Mt5kGBU34pZUwiz/vfvG6 d0HkUIK7iZJNTU7EWkdnvh8= X-Google-Smtp-Source: AKy350Y5afmiBhKRprtC5SNEdZYPWt8T99YvHJGrJGHbqb6r+TSAdL+giiW/xUXtzn4KHSMx6NBvAg== X-Received: by 2002:a17:907:2149:b0:94a:4d06:3de3 with SMTP id rk9-20020a170907214900b0094a4d063de3mr1493742ejb.72.1681555627031; Sat, 15 Apr 2023 03:47:07 -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.83.2023.04.15.03.47.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 15 Apr 2023 03:47:06 -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 3/3] ARM: dts: sun8i: h3: beelink-x2: Disable DW-HDMI CEC Date: Sat, 15 Apr 2023 12:46:13 +0200 Message-Id: <20230415104613.61224-4-jernej.skrabec@gmail.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230415104613.61224-1-jernej.skrabec@gmail.com> References: <20230415104613.61224-1-jernej.skrabec@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Beelink X2 uses software implementation of CEC even though DW-HDMI has working hardware implementation. Disable unused DW-HDMI CEC. Signed-off-by: Jernej Skrabec --- arch/arm/boot/dts/sun8i-h3-beelink-x2.dts | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/sun8i-h3-beelink-x2.dts b/arch/arm/boot/dts/sun8i-h3-beelink-x2.dts index a6d38ecee141..38f40d69e5c5 100644 --- a/arch/arm/boot/dts/sun8i-h3-beelink-x2.dts +++ b/arch/arm/boot/dts/sun8i-h3-beelink-x2.dts @@ -150,6 +150,7 @@ &emac { }; &hdmi { + snps,disable-cec; status = "okay"; };