From patchwork Sat May 11 14:55:49 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sui Jingfeng X-Patchwork-Id: 13662407 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 79AE6C04FFE for ; Sat, 11 May 2024 14:56:03 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4023710E13F; Sat, 11 May 2024 14:56:02 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (1024-bit key; unprotected) header.d=linux.dev header.i=@linux.dev header.b="F04Q+4K1"; dkim-atps=neutral Received: from out-181.mta1.migadu.com (out-181.mta1.migadu.com [95.215.58.181]) by gabe.freedesktop.org (Postfix) with ESMTPS id 796C310E07B for ; Sat, 11 May 2024 14:56:00 +0000 (UTC) X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1715439358; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=fLoNj1TdFzof77QtMBY2FlaBpFNEQWVn75IC8HxaP3o=; b=F04Q+4K1f8y3k4yMDVAKeGMfPgpAZNodhB7eRwQ9ieT+62zs0QcKeUakgZSvGCjKHry1l5 +fNjggxspxAtog+lUihviY8Zek920ATjlGIqwpZ3LtlL4UoNhoN5ufEGS1D2E6r2qRFwBE WypcdHnmW+h7CwPlmhutGgX9aV94UI8= From: Sui Jingfeng To: Maxime Ripard Cc: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Thomas Zimmermann , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Sui Jingfeng Subject: [PATCH] drm/bridge: lt9611uxc: Remove a redundant check on existence of bridge->encoder Date: Sat, 11 May 2024 22:55:49 +0800 Message-ID: <20240511145549.325852-1-sui.jingfeng@linux.dev> MIME-Version: 1.0 X-Migadu-Flow: FLOW_OUT X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" In the lt9611uxc_connector_init() function, the check on the existence of bridge->encoder is not necessary, as it has already been done in the drm_bridge_attach() function. And the check on the drm bridge core happens before check in the implementation. Hence, it is guaranteed that the .encoder member of the struct drm_bridge is not NULL when lt9611uxc_connector_init() function gets called. Remove the redundant checking codes "if (!bridge->encoder) { ... }". Signed-off-by: Sui Jingfeng Reviewed-by: Laurent Pinchart --- drivers/gpu/drm/bridge/lontium-lt9611uxc.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c index f4f593ad8f79..f1fccfe6c534 100644 --- a/drivers/gpu/drm/bridge/lontium-lt9611uxc.c +++ b/drivers/gpu/drm/bridge/lontium-lt9611uxc.c @@ -339,11 +339,6 @@ static int lt9611uxc_connector_init(struct drm_bridge *bridge, struct lt9611uxc { int ret; - if (!bridge->encoder) { - DRM_ERROR("Parent encoder object not found"); - return -ENODEV; - } - lt9611uxc->connector.polled = DRM_CONNECTOR_POLL_HPD; drm_connector_helper_add(<9611uxc->connector,