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q=dns/txt; s=fe-e1b5cab7be; t=1778956775; bh=TV52XSycf6wnHw1EkncvtVnQ2hwR4mxv/EgMlgr2HFE=; b=yEnxb53oTfUq4lC3tPVJHyIYdearswLeHy3AlF64Ew9OsN1WnNSat9JXJEmp0QQvHqy7JrB56 G3w6tgrX6CAZB5yszOTX3whmW0VnEq6x8WLECLNCvlzN0y+RA8Dzq5igCQAK8DpUnO9H27p6Bf/ rUMXFBDdMVW4kwp4N7UgpczIRCx/5ULMh8L/rPCguxEtbaG07U/OzCF9DHPs7TrECgV9qrBaLW4 sfy0JsZZdyGFuRWDyUec4OZdKyXwJ0Tx5a/MRd4VwM9Ymx8FIBRUMaSjVmyV351V9l+bWVtgUne mX1l8r5La9ohd2IYyL6NeSQ+EKmvPjdPnE9q8Scz8nag== X-Forward-Email-ID: 6a08b9df79c7625f20eeee1b X-Forward-Email-Sender: rfc822; jonas@kwiboo.se, smtp.forwardemail.net, 121.127.44.73 X-Forward-Email-Version: 2.8.12 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 , Luca Ceresoli , 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 v6 10/22] drm: bridge: dw_hdmi: Remove cec_notifier_mutex Date: Sat, 16 May 2026 18:38:20 +0000 Message-ID: <20260516183838.2024991-11-jonas@kwiboo.se> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260516183838.2024991-1-jonas@kwiboo.se> References: <20260516183838.2024991-1-jonas@kwiboo.se> Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MORS-Enabled: yes X-MORS-DOMAIN: patchwork.local X-MORS-HOSTING: hosting172546 X-MORS-USER: hosting172546 X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= 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 Tested-by: Diederik de Haas # Rock64, RockPro64, Quartz64-B Signed-off-by: Jonas Karlman --- v6: Collect t-b tag v5: No change, cec_notifier_conn_unregister() call moved 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 aae1b890167b..0dd4c823c60a 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; } @@ -2542,10 +2538,8 @@ static void dw_hdmi_connector_destroy(struct drm_connector *connector) { struct dw_hdmi *hdmi = container_of(connector, struct dw_hdmi, connector); - mutex_lock(&hdmi->cec_notifier_mutex); cec_notifier_conn_unregister(hdmi->cec_notifier); hdmi->cec_notifier = NULL; - mutex_unlock(&hdmi->cec_notifier_mutex); drm_connector_cleanup(connector); drm_bridge_put(&hdmi->bridge); @@ -2612,9 +2606,7 @@ 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; } @@ -3323,7 +3315,6 @@ 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);