From patchwork Fri May 9 12:09:07 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: oscar.mateo@intel.com X-Patchwork-Id: 4142501 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 2ADEE9F1E1 for ; Fri, 9 May 2014 12:15:11 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 62ECA201D3 for ; Fri, 9 May 2014 12:15:10 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id A38C6201B4 for ; Fri, 9 May 2014 12:15:09 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 275786EF84; Fri, 9 May 2014 05:15:09 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTP id A77C06EF8C for ; Fri, 9 May 2014 05:15:07 -0700 (PDT) Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga101.fm.intel.com with ESMTP; 09 May 2014 05:15:07 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos; i="4.97,1018,1389772800"; d="scan'208"; a="529107207" Received: from omateolo-linux2.iwi.intel.com ([172.28.253.145]) by fmsmga001.fm.intel.com with ESMTP; 09 May 2014 05:15:06 -0700 From: oscar.mateo@intel.com To: intel-gfx@lists.freedesktop.org Date: Fri, 9 May 2014 13:09:07 +0100 Message-Id: <1399637360-4277-38-git-send-email-oscar.mateo@intel.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1399637360-4277-1-git-send-email-oscar.mateo@intel.com> References: <1399637360-4277-1-git-send-email-oscar.mateo@intel.com> Subject: [Intel-gfx] [PATCH 37/50] drm/i915/bdw: Don't write PDP in the legacy way when using LRCs 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=-4.8 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 From: Oscar Mateo This is mostly for correctness so that we know we are running the LR context correctly (this is, the PDPs are contained inside the context object). Signed-off-by: Oscar Mateo --- drivers/gpu/drm/i915/i915_gem_gtt.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index a0993c0..de4a982 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -240,11 +240,15 @@ static int gen8_mm_switch(struct i915_hw_ppgtt *ppgtt, struct intel_engine *ring, bool synchronous) { + struct drm_i915_private *dev_priv = ring->dev->dev_private; int i, ret; /* bit of a hack to find the actual last used pd */ int used_pd = ppgtt->num_pd_entries / GEN8_PDES_PER_PAGE; + if (dev_priv->lrc_enabled) + return 0; + for (i = used_pd - 1; i >= 0; i--) { dma_addr_t addr = ppgtt->pd_dma_addr[i]; ret = gen8_write_pdp(ring, i, addr, synchronous);