From patchwork Thu Dec 18 17:10:08 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michel Thierry X-Patchwork-Id: 5515331 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 [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 92A449F507 for ; Thu, 18 Dec 2014 17:17:52 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id BCBCF2020E for ; Thu, 18 Dec 2014 17:17:51 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 15318209AB for ; Thu, 18 Dec 2014 17:17:50 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 829D96EA4A; Thu, 18 Dec 2014 09:17:49 -0800 (PST) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTP id 5E55B6EA4F for ; Thu, 18 Dec 2014 09:17:47 -0800 (PST) Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga102.jf.intel.com with ESMTP; 18 Dec 2014 09:08:36 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.04,691,1406617200"; d="scan'208";a="501038520" Received: from michelth-linux.isw.intel.com ([10.102.226.150]) by orsmga003.jf.intel.com with ESMTP; 18 Dec 2014 09:05:56 -0800 From: Michel Thierry To: intel-gfx@lists.freedesktop.org Date: Thu, 18 Dec 2014 17:10:08 +0000 Message-Id: <1418922621-25818-12-git-send-email-michel.thierry@intel.com> X-Mailer: git-send-email 2.1.1 In-Reply-To: <1418922621-25818-1-git-send-email-michel.thierry@intel.com> References: <1418922621-25818-1-git-send-email-michel.thierry@intel.com> Subject: [Intel-gfx] [PATCH 11/24] drm/i915: Extract context switch skip logic 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, T_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 From: Ben Widawsky We have some fanciness coming up. This patch just breaks out the logic. Signed-off-by: Ben Widawsky Signed-off-by: Michel Thierry --- drivers/gpu/drm/i915/i915_gem_context.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index b67d269..a8ff03d 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -726,6 +726,16 @@ unpin_out: return ret; } +static inline bool should_skip_switch(struct intel_engine_cs *ring, + struct intel_context *from, + struct intel_context *to) +{ + if (from == to && !to->remap_slice) + return true; + + return false; +} + /** * i915_switch_context() - perform a GPU context switch. * @ring: ring for which we'll execute the context switch