From patchwork Tue Oct 20 13:49:49 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Zanoni, Paulo R" X-Patchwork-Id: 7447551 Return-Path: X-Original-To: patchwork-intel-gfx@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 60BDD9F37F for ; Tue, 20 Oct 2015 13:50:53 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id BEB962076E for ; Tue, 20 Oct 2015 13:50:50 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id B290A2053A for ; Tue, 20 Oct 2015 13:50:45 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 17E036EC2C; Tue, 20 Oct 2015 06:50:44 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id 2AA1A6E867 for ; Tue, 20 Oct 2015 06:50:41 -0700 (PDT) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP; 20 Oct 2015 06:50:20 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,707,1437462000"; d="scan'208";a="798059435" Received: from quanshi-mobl1.amr.corp.intel.com (HELO panetone.amr.corp.intel.com) ([10.254.77.241]) by orsmga001.jf.intel.com with ESMTP; 20 Oct 2015 06:50:20 -0700 From: Paulo Zanoni To: intel-gfx@lists.freedesktop.org Date: Tue, 20 Oct 2015 11:49:49 -0200 Message-Id: <1445349004-16409-4-git-send-email-paulo.r.zanoni@intel.com> X-Mailer: git-send-email 2.6.1 In-Reply-To: <1445349004-16409-1-git-send-email-paulo.r.zanoni@intel.com> References: <1445349004-16409-1-git-send-email-paulo.r.zanoni@intel.com> Subject: [Intel-gfx] [PATCH 03/18] drm/i915: only nuke FBC when a drawing operation triggers a flush X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 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=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable 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 There's no need to stop and restart FBC: a nuke should be fine. Signed-off-by: Paulo Zanoni --- drivers/gpu/drm/i915/intel_fbc.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_fbc.c b/drivers/gpu/drm/i915/intel_fbc.c index 9477379..b9cfd16 100644 --- a/drivers/gpu/drm/i915/intel_fbc.c +++ b/drivers/gpu/drm/i915/intel_fbc.c @@ -1088,8 +1088,10 @@ void intel_fbc_flush(struct drm_i915_private *dev_priv, if (origin == ORIGIN_FLIP) { __intel_fbc_update(dev_priv); } else { - __intel_fbc_disable(dev_priv); - __intel_fbc_update(dev_priv); + if (dev_priv->fbc.enabled) + intel_fbc_nuke(dev_priv); + else + __intel_fbc_update(dev_priv); } }