From patchwork Wed Mar 5 22:48:31 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jesse Barnes X-Patchwork-Id: 3780071 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 78E5EBF540 for ; Wed, 5 Mar 2014 22:49:05 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id ADDCE201F4 for ; Wed, 5 Mar 2014 22:49:04 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id B7B15201F2 for ; Wed, 5 Mar 2014 22:49:03 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 698D6FAAB7; Wed, 5 Mar 2014 14:49:02 -0800 (PST) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from oproxy7-pub.mail.unifiedlayer.com (oproxy7-pub.mail.unifiedlayer.com [67.222.55.9]) by gabe.freedesktop.org (Postfix) with SMTP id 3B93FFAA97 for ; Wed, 5 Mar 2014 14:48:41 -0800 (PST) Received: (qmail 7867 invoked by uid 0); 5 Mar 2014 22:48:40 -0000 Received: from unknown (HELO box514.bluehost.com) (74.220.219.114) by oproxy7.mail.unifiedlayer.com with SMTP; 5 Mar 2014 22:48:40 -0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=virtuousgeek.org; s=default; h=References:In-Reply-To:Message-Id:Date:Subject:To:From; bh=sf3FkIj44WNM42iKrZRcKmlfgNxvOqQ3gnV2E2bGVJA=; b=fgBpD25DdhctrJ8sd+p/TNJG8UN08v3xca9b+xvLp7DQSY4TfmKE9yRxG/aNzJ0MpySmnO7VxoJD+u2jceHSwqAtn7Z+p2CKPk0BBLhiobPqv8K7vJKIC0whTcRJlGz2; Received: from [67.161.37.189] (port=56412 helo=localhost.localdomain) by box514.bluehost.com with esmtpsa (UNKNOWN:CAMELLIA256-SHA:256) (Exim 4.80) (envelope-from ) id 1WLKcC-0003Px-7h for intel-gfx@lists.freedesktop.org; Wed, 05 Mar 2014 15:48:40 -0700 From: Jesse Barnes To: intel-gfx@lists.freedesktop.org Date: Wed, 5 Mar 2014 14:48:31 -0800 Message-Id: <1394059711-7910-7-git-send-email-jbarnes@virtuousgeek.org> X-Mailer: git-send-email 1.8.4.2 In-Reply-To: <1394059711-7910-1-git-send-email-jbarnes@virtuousgeek.org> References: <1394059711-7910-1-git-send-email-jbarnes@virtuousgeek.org> X-Identified-User: {10642:box514.bluehost.com:virtuous:virtuousgeek.org} {sentby:smtp auth 67.161.37.189 authed with jbarnes@virtuousgeek.org} Subject: [Intel-gfx] [PATCH 6/6] drm/i915/dp: make sure VDD is on around link status checking X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: intel-gfx-bounces@lists.freedesktop.org Errors-To: intel-gfx-bounces@lists.freedesktop.org X-Spam-Status: No, score=-4.1 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 In the hotplug case, nothing was grabbing VDD, leading to some warnings. Signed-off-by: Jesse Barnes --- drivers/gpu/drm/i915/intel_dp.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 763f235..78c883e 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -3037,10 +3037,13 @@ intel_dp_check_link_status(struct intel_dp *intel_dp) if (WARN_ON(!intel_encoder->base.crtc)) return; + edp_panel_vdd_on(intel_dp); /* Try to read receiver status if the link appears to be up */ if (!intel_dp_get_link_status(intel_dp, link_status)) { + edp_panel_vdd_off(intel_dp, false); return; } + edp_panel_vdd_off(intel_dp, false); intel_flush_edp_cache_work(intel_dp);