From patchwork Thu Aug 6 14:11:44 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomeu Vizoso X-Patchwork-Id: 6959601 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 1C6B59F38B for ; Thu, 6 Aug 2015 14:22:08 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 07EA520675 for ; Thu, 6 Aug 2015 14:22:07 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8102520680 for ; Thu, 6 Aug 2015 14:22:05 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZNM1n-0003rC-9t; Thu, 06 Aug 2015 14:20:15 +0000 Received: from mail-wi0-x232.google.com ([2a00:1450:400c:c05::232]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZNM0r-0002rT-Nt for linux-arm-kernel@lists.infradead.org; Thu, 06 Aug 2015 14:19:20 +0000 Received: by wicne3 with SMTP id ne3so24674718wic.1 for ; Thu, 06 Aug 2015 07:18:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=YGryfP8e3KGF7o9/UsCwIAVEjqdfe2pAKeh9/scxIjc=; b=BQEdceYgFCbA9zs1nk/QqKcsfYl5A9JiUe9ixg/H2DMJ70ZII+wD8FJrX/35NM6is/ SbV0Lx97xJyZra4rhY/X3634jay2Fnjz5NQvohKuUJA73gQe7QByMr5BOc7oGNW0re/V +IWOQNmb/vGevdZXrII/y3VhH5isThyG4/Dep87uFOsISSn1pb3coH+HaIhTG1g4RFi4 POlhhc4liUizaYDm30i/vn+jcqCmEqeEwN7am9w0I267qVVwvyQFkI5awXUC1GXiXB5i gYBCGPPEP256sA8g8e6ToDxD1vid7ao+WAHM6vbR/xdsTsaEwNySyi6OWL3ggj771ur/ IkuA== X-Received: by 10.180.83.101 with SMTP id p5mr6790564wiy.52.1438870738780; Thu, 06 Aug 2015 07:18:58 -0700 (PDT) Received: from cizrna.lan ([109.72.12.154]) by smtp.gmail.com with ESMTPSA id z5sm9727282wjr.42.2015.08.06.07.18.57 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 06 Aug 2015 07:18:58 -0700 (PDT) From: Tomeu Vizoso To: linux-kernel@vger.kernel.org Subject: [PATCH v3 07/18] drm: Probe panels on demand Date: Thu, 6 Aug 2015 16:11:44 +0200 Message-Id: <1438870315-18689-8-git-send-email-tomeu.vizoso@collabora.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1438870315-18689-1-git-send-email-tomeu.vizoso@collabora.com> References: <1438870315-18689-1-git-send-email-tomeu.vizoso@collabora.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150806_071918_151079_FEE52F4A X-CRM114-Status: GOOD ( 11.73 ) X-Spam-Score: -2.4 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tomeu Vizoso , devicetree@vger.kernel.org, linux-acpi@vger.kernel.org, Arnd Bergmann , Stephen Warren , Linus Walleij , Dmitry Torokhov , "Rafael J. Wysocki" , Rob Herring , Javier Martinez Canillas , Mark Brown , Thierry Reding , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP When looking up a panel through its OF node, probe it if it hasn't already. The goal is to reduce deferred probes to a minimum, as it makes it very cumbersome to find out why a device failed to probe, and can introduce very big delays in when a critical device is probed. Signed-off-by: Tomeu Vizoso --- Changes in v3: None Changes in v2: None drivers/gpu/drm/drm_panel.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/drm_panel.c b/drivers/gpu/drm/drm_panel.c index 2ef988e037b7..8f01574cabda 100644 --- a/drivers/gpu/drm/drm_panel.c +++ b/drivers/gpu/drm/drm_panel.c @@ -23,6 +23,7 @@ #include #include +#include #include #include @@ -80,6 +81,8 @@ struct drm_panel *of_drm_find_panel(struct device_node *np) { struct drm_panel *panel; + of_platform_probe(np); + mutex_lock(&panel_lock); list_for_each_entry(panel, &panel_list, list) {