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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 879EFCD3427 for ; Mon, 4 May 2026 19:12:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=XGUigRl0dHn2l3h5bXexuTyn8UnpuWF+VIfFWcyqNco=; b=HDHzfm0UZ5w2SdblqNm3NSfIOe pTOk6g8aZquGnhK3NCGAaqo1H8VVDn94g86UxG8FTRHmGyjatoDCK8ebVQTz2QNHqV1nuXQ6o/wZN T/VMfgXAnKNHS5xkorad0FsHLzvvUKI3yzMXZC6rpJUW8l8w2PVB7IksgATe5CO2+JcgehkE0k46f MaTObAQsxWLw6gbW62nJ4t3R6MGCC/M+OLaPb72t2BYgEFAY8rVtsQ1xwubgzqd8XT9eLUa2mWlEv yZm1ubO2HViOO3EEUFElPL34I8wHdNU6dfRPKmbxbN9eFKUfuiUpYDGhk21vhz//+S34g1U7RApFV t3z1RvPw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wJyhu-0000000E5YL-3PUC; Mon, 04 May 2026 19:11:54 +0000 Received: from smtp.forwardemail.net ([121.127.44.66]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wJyhm-0000000E5II-0WtY for linux-arm-kernel@lists.infradead.org; Mon, 04 May 2026 19:11:48 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kwiboo.se; h=Content-Transfer-Encoding: MIME-Version: References: In-Reply-To: Message-ID: Date: Subject: Cc: To: From; q=dns/txt; s=fe-e1b5cab7be; t=1777921905; bh=XGUigRl0dHn2l3h5bXexuTyn8UnpuWF+VIfFWcyqNco=; b=bgxIznRC56ZmS+lqYa5dxbcJxl5AXAH1I2wybp/wJ9WYzEtaeFf7LNG/kA7NUn8kmSYoimoE7 lvhRZyFlBMJw9SKpffoyQdBkQ8ndIFyPYKl4V+s9sHca62UrKCxg0h/YOXGPWj4kTBriIabZaGo ekM0CCW/gcydie2+MlRrik8Z6DS5Fg6VTfkCjTXjP1NJT105Tom+Cqd1qQ5atGC2KaiiyxB5rzv TqS/GgF7L20naP6r/yapDmbpr4nKqJHFXJFCzruCSPx5bAIFUQYwRwGPbRYJTsDdrQ5e8Wlr68q QCTbMBtZGFv4EIAdwTfu3qbXG1jLM5cNactjbO0LhyEQ== X-Forward-Email-ID: 69f8ef6b04bb1dff846bb8db X-Forward-Email-Sender: rfc822; jonas@kwiboo.se, smtp.forwardemail.net, 121.127.44.66 X-Forward-Email-Version: 2.7.7 X-Forward-Email-Website: https://forwardemail.net X-Complaints-To: abuse@forwardemail.net X-Report-Abuse: abuse@forwardemail.net X-Report-Abuse-To: abuse@forwardemail.net From: Jonas Karlman To: Andrzej Hajda , Neil Armstrong , Robert Foss , Heiko Stuebner , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter Cc: Liu Ying , Sandy Huang , Andy Yan , Chen-Yu Tsai , Christian Hewitt , Diederik de Haas , Nicolas Frattaroli , Dmitry Baryshkov , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-sunxi@lists.linux.dev, imx@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [PATCH v4 08/17] drm: bridge: dw_hdmi: Remove cec_notifier_mutex Date: Mon, 4 May 2026 19:10:45 +0000 Message-ID: <20260504191059.275928-9-jonas@kwiboo.se> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260504191059.275928-1-jonas@kwiboo.se> References: <20260504191059.275928-1-jonas@kwiboo.se> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260504_121146_292313_8D46B432 X-CRM114-Status: GOOD ( 10.61 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org With CEC phys addr invalidation moved away from the irq handler there is no longer a need for cec_notifier_mutex, remove it. Reviewed-by: Neil Armstrong Signed-off-by: Jonas Karlman --- v4: No change v3: No change v2: Collect r-b tag --- drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-) diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c index 059f1d241fef..fc4f255c2a2f 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c @@ -189,7 +189,6 @@ struct dw_hdmi { void (*enable_audio)(struct dw_hdmi *hdmi); void (*disable_audio)(struct dw_hdmi *hdmi); - struct mutex cec_notifier_mutex; struct cec_notifier *cec_notifier; hdmi_codec_plugged_cb plugged_cb; @@ -2476,11 +2475,8 @@ dw_hdmi_connector_detect(struct drm_connector *connector, bool force) status = dw_hdmi_detect(hdmi); - if (status == connector_status_disconnected) { - mutex_lock(&hdmi->cec_notifier_mutex); + if (status == connector_status_disconnected) cec_notifier_phys_addr_invalidate(hdmi->cec_notifier); - mutex_unlock(&hdmi->cec_notifier_mutex); - } return status; } @@ -2594,9 +2590,7 @@ static int dw_hdmi_connector_create(struct dw_hdmi *hdmi) if (!notifier) return -ENOMEM; - mutex_lock(&hdmi->cec_notifier_mutex); hdmi->cec_notifier = notifier; - mutex_unlock(&hdmi->cec_notifier_mutex); return 0; } @@ -2910,10 +2904,8 @@ static void dw_hdmi_bridge_detach(struct drm_bridge *bridge) { struct dw_hdmi *hdmi = bridge->driver_private; - mutex_lock(&hdmi->cec_notifier_mutex); cec_notifier_conn_unregister(hdmi->cec_notifier); hdmi->cec_notifier = NULL; - mutex_unlock(&hdmi->cec_notifier_mutex); } static enum drm_mode_status @@ -3316,7 +3308,6 @@ struct dw_hdmi *dw_hdmi_probe(struct platform_device *pdev, mutex_init(&hdmi->mutex); mutex_init(&hdmi->audio_mutex); - mutex_init(&hdmi->cec_notifier_mutex); spin_lock_init(&hdmi->audio_lock); ddc_node = of_parse_phandle(np, "ddc-i2c-bus", 0); -- 2.54.0