From patchwork Fri Apr 11 21:25:41 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jesse Barnes X-Patchwork-Id: 3972291 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 0EB3BBFF02 for ; Fri, 11 Apr 2014 22:01:02 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 351BF2034C for ; Fri, 11 Apr 2014 22:01:01 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 577C42034B for ; Fri, 11 Apr 2014 22:01:00 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 849436EE52; Fri, 11 Apr 2014 15:00:59 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from gproxy3-pub.mail.unifiedlayer.com (gproxy3-pub.mail.unifiedlayer.com [69.89.30.42]) by gabe.freedesktop.org (Postfix) with SMTP id 336616EE53 for ; Fri, 11 Apr 2014 15:00:58 -0700 (PDT) Received: (qmail 8509 invoked by uid 0); 11 Apr 2014 22:00:57 -0000 Received: from unknown (HELO cmgw2) (10.0.90.83) by gproxy3.mail.unifiedlayer.com with SMTP; 11 Apr 2014 22:00:57 -0000 Received: from box514.bluehost.com ([74.220.219.114]) by cmgw2 with id olz01n0042UhLwi01m0FFa; Fri, 11 Apr 2014 16:00:15 -0600 X-Authority-Analysis: v=2.1 cv=EdlbHpWC c=1 sm=1 tr=0 a=9W6Fsu4pMcyimqnCr1W0/w==:117 a=9W6Fsu4pMcyimqnCr1W0/w==:17 a=cNaOj0WVAAAA:8 a=f5113yIGAAAA:8 a=4rCvMJd6hlUA:10 a=3ROhxo7VqVMA:10 a=TBVoxVdAAAAA:8 a=GhZ5P8ky69gA:10 a=noBwr2J6l1kA:10 a=XxdDReCHpR7HeZBuES4A:9 a=rW6DTWptwo0A:10 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=x4u4kHqxa0bl/YurQrL4gfLWLc54PDR9MJLi1BHVbik=; b=pgPbQMmvY/efUvR7zenXxfC3eImPO7n8dR6WomQAcYzKUbEPDGKuBNPEWWs0UL50Act8q1GSACXIbJ/+owiIEeI7q4RMmgnp77MuLyV5B8HIxGaGW4Gd7VETTXhKpQap; Received: from [67.161.37.189] (port=56373 helo=localhost.localdomain) by box514.bluehost.com with esmtpsa (TLSv1.2:DHE-RSA-AES256-GCM-SHA384:256) (Exim 4.82) (envelope-from ) id 1WYixI-0003Yl-Gm for intel-gfx@lists.freedesktop.org; Fri, 11 Apr 2014 15:25:48 -0600 From: Jesse Barnes To: intel-gfx@lists.freedesktop.org Date: Fri, 11 Apr 2014 14:25:41 -0700 Message-Id: <1397251542-6857-1-git-send-email-jbarnes@virtuousgeek.org> X-Mailer: git-send-email 1.8.4.2 In-Reply-To: <20140405062638.GD8475@nuc-i3427.alporthouse.com> References: <20140405062638.GD8475@nuc-i3427.alporthouse.com> 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 1/2] drm/i915: remove unexplained vblank wait in the DP off code X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Spam-Status: No, score=-4.5 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 I don't think this is necessary; at least it doesn't appear to be on my BYT. Dropping it speeds up our shutdown code a little, in some cases resulting in faster init times. Signed-off-by: Jesse Barnes Reviewed-by: Ville Syrjälä --- drivers/gpu/drm/i915/intel_dp.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index e48d47c..728a5db 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -2756,9 +2756,6 @@ intel_dp_link_down(struct intel_dp *intel_dp) } POSTING_READ(intel_dp->output_reg); - /* We don't really know why we're doing this */ - intel_wait_for_vblank(dev, intel_crtc->pipe); - if (HAS_PCH_IBX(dev) && I915_READ(intel_dp->output_reg) & DP_PIPEB_SELECT) { struct drm_crtc *crtc = intel_dig_port->base.base.crtc;