From nobody Wed Oct 8 21:08:18 2025 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.154.123]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 91D5B1DDC1E for ; Wed, 25 Jun 2025 04:56:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=68.232.154.123 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750827407; cv=none; b=AfxiuG2TSs+cL5s/bazKzS7e+jdhkJ46WuFs2IT3gWjKexy12oSMRFOAvDuj0SaP+dB0brfRi8or05lnswwCaf+dN5Lyq9my7RzYPqrcMItjjb4HfqgDOv09o6JnZ7AiR7WyCWZJl+MVdpj6W897InFWHKsfepDpnzW/O93ZrBs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750827407; c=relaxed/simple; bh=e/mJTOaSWA2P1JapKy8sNOWJL14LCqY1jBMNxyjcl4o=; h=From:Date:Subject:MIME-Version:Content-Type:Message-ID:References: In-Reply-To:To:CC; b=R1RCfNAwTOwluEo1/cekpx5LmblSvQqtc9lZbkfNtPoM5+fcMMMaNekRWeqXYw1hmTNgQgjJJ+oVJ/RfDx28dlAchIjpmhDdS6BQHg4iJuVf3uVqaBy44CCI1+CUGG/djGzJnHwgD9oWVHhKfaT+yumCDYGf5dqe6Q/5y7Cso7Y= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=microchip.com; spf=pass smtp.mailfrom=microchip.com; dkim=pass (2048-bit key) header.d=microchip.com header.i=@microchip.com header.b=lcKluhHs; arc=none smtp.client-ip=68.232.154.123 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=microchip.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=microchip.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=microchip.com header.i=@microchip.com header.b="lcKluhHs" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1750827405; x=1782363405; h=from:date:subject:mime-version:content-transfer-encoding: message-id:references:in-reply-to:to:cc; bh=e/mJTOaSWA2P1JapKy8sNOWJL14LCqY1jBMNxyjcl4o=; b=lcKluhHsxBhXnZ8ae9c0XAHGpORG9qxm2nGh54Sb063GGA7vSm8NsPI/ NenwnY1MWkLQz4rBlHvE1qJUbXvDkLmk/3uMKR/eqHkpCXKybTLVj5ULL CZxfz/d673omS3MN3dzK9p6V7lUHT2WsldEmUy850DIP/FzfjlcfKNDiX buir083JJjMrE1K5D4QcCyfC+pKvTeDVOhUHJevwuch7VIfX2tCXOVJXk RrcsZfrwwqa/hrf5Aj/O2bAv3LIMpQ0fqSuf5bCWg2dC+AUgnb5RrAR30 umd3lnCIUQs8mJ5D6gVsQhTR+jCLNTApo5rXzZn9BXArODzWXrOulWJOF w==; X-CSE-ConnectionGUID: AhZgIOJERfil50n8LIfntw== X-CSE-MsgGUID: Ottw10F8RHGo9SV422wKFg== X-IronPort-AV: E=Sophos;i="6.16,263,1744095600"; d="scan'208";a="42713913" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa4.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 24 Jun 2025 21:56:37 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.44; Tue, 24 Jun 2025 21:56:25 -0700 Received: from [127.0.0.1] (10.10.85.11) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.2507.44 via Frontend Transport; Tue, 24 Jun 2025 21:56:19 -0700 From: Dharma Balasubiramani Date: Wed, 25 Jun 2025 10:26:09 +0530 Subject: [PATCH v5 1/4] drm/bridge: microchip-lvds: Remove unused drm_panel and redundant port node lookup Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-ID: <20250625-microchip-lvds-v5-1-624cf72b2651@microchip.com> References: <20250625-microchip-lvds-v5-0-624cf72b2651@microchip.com> In-Reply-To: <20250625-microchip-lvds-v5-0-624cf72b2651@microchip.com> To: Manikandan Muralidharan , Andrzej Hajda , Neil Armstrong , "Robert Foss" , Laurent Pinchart , Jonas Karlman , "Jernej Skrabec" , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter CC: , , "Dharma Balasubiramani" X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1750827371; l=1861; i=dharma.b@microchip.com; s=20240209; h=from:subject:message-id; bh=e/mJTOaSWA2P1JapKy8sNOWJL14LCqY1jBMNxyjcl4o=; b=t1+npYydtMChl3XcRSzWZulvNLHRGo1f5cRnLqjyWS/apXPU1mSdxu508JLvCOp8TEYIak2TA IaaxLS0qeGBAoz+yR9lz9vIk94RFDhek0g3J+Sy/hVRu5+KBvT7ktbQ X-Developer-Key: i=dharma.b@microchip.com; a=ed25519; pk=kCq31LcpLAe9HDfIz9ZJ1U7T+osjOi7OZSbe0gqtyQ4= Drop the unused drm_panel field from the mchp_lvds structure, and remove the unnecessary port device node lookup, as devm_drm_of_get_bridge() already performs the required checks internally. Signed-off-by: Dharma Balasubiramani Reviewed-by: Maxime Ripard --- drivers/gpu/drm/bridge/microchip-lvds.c | 16 ---------------- 1 file changed, 16 deletions(-) diff --git a/drivers/gpu/drm/bridge/microchip-lvds.c b/drivers/gpu/drm/brid= ge/microchip-lvds.c index 9f4ff82bc6b4..06d4169a2d8f 100644 --- a/drivers/gpu/drm/bridge/microchip-lvds.c +++ b/drivers/gpu/drm/bridge/microchip-lvds.c @@ -23,7 +23,6 @@ #include #include #include -#include #include #include #include @@ -56,7 +55,6 @@ struct mchp_lvds { struct device *dev; void __iomem *regs; struct clk *pclk; - struct drm_panel *panel; struct drm_bridge bridge; struct drm_bridge *panel_bridge; }; @@ -151,7 +149,6 @@ static int mchp_lvds_probe(struct platform_device *pdev) { struct device *dev =3D &pdev->dev; struct mchp_lvds *lvds; - struct device_node *port; int ret; =20 if (!dev->of_node) @@ -173,19 +170,6 @@ static int mchp_lvds_probe(struct platform_device *pde= v) return dev_err_probe(lvds->dev, PTR_ERR(lvds->pclk), "could not get pclk_lvds\n"); =20 - port =3D of_graph_get_remote_node(dev->of_node, 1, 0); - if (!port) { - dev_err(dev, - "can't find port point, please init lvds panel port!\n"); - return -ENODEV; - } - - lvds->panel =3D of_drm_find_panel(port); - of_node_put(port); - - if (IS_ERR(lvds->panel)) - return -EPROBE_DEFER; - lvds->panel_bridge =3D devm_drm_of_get_bridge(dev, dev->of_node, 1, 0); =20 if (IS_ERR(lvds->panel_bridge)) --=20 2.43.0