From patchwork Thu Mar 27 17:59:50 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: 3898651 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 A3D8E9F334 for ; Thu, 27 Mar 2014 17:09:43 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 435D620240 for ; Thu, 27 Mar 2014 17:09:42 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 747B920237 for ; Thu, 27 Mar 2014 17:09:41 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 02B816E9F7; Thu, 27 Mar 2014 10:09:41 -0700 (PDT) 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 529B16E9ED for ; Thu, 27 Mar 2014 10:09:36 -0700 (PDT) Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga102.jf.intel.com with ESMTP; 27 Mar 2014 10:03:02 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,743,1389772800"; d="scan'208";a="501086640" Received: from omateolo-linux2.iwi.intel.com ([172.28.253.148]) by fmsmga001.fm.intel.com with ESMTP; 27 Mar 2014 10:06:06 -0700 From: oscar.mateo@intel.com To: intel-gfx@lists.freedesktop.org Date: Thu, 27 Mar 2014 17:59:50 +0000 Message-Id: <1395943218-7708-22-git-send-email-oscar.mateo@intel.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1395943218-7708-1-git-send-email-oscar.mateo@intel.com> References: <1395943218-7708-1-git-send-email-oscar.mateo@intel.com> Cc: Ben Widawsky , Ben Widawsky Subject: [Intel-gfx] [PATCH 21/49] drm/i915/bdw: Enable execlists in the hardware 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=-4.6 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: Ben Widawsky Signed-off-by: Ben Widawsky v2: Set Replay Mode to 0 per BSpec Michel Thierry v3: Several rebases. Signed-off-by: Oscar Mateo --- drivers/gpu/drm/i915/i915_lrc.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_lrc.c b/drivers/gpu/drm/i915/i915_lrc.c index f0176ff..a726b26 100644 --- a/drivers/gpu/drm/i915/i915_lrc.c +++ b/drivers/gpu/drm/i915/i915_lrc.c @@ -252,7 +252,7 @@ int gen8_gem_context_init(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; struct intel_engine *ring; - int ret = -ENOSYS, ring_id; + int ret, ring_id; dev_priv->hw_context_size = round_up(GEN8_LR_CONTEXT_SIZE, 4096); @@ -265,8 +265,17 @@ int gen8_gem_context_init(struct drm_device *dev) ring->default_context = NULL; goto err_out; } + + I915_WRITE(RING_MODE_GEN7(ring), + _MASKED_BIT_DISABLE(GFX_REPLAY_MODE) | + _MASKED_BIT_ENABLE(GFX_RUN_LIST_ENABLE)); + POSTING_READ(RING_MODE_GEN7(ring)); + + DRM_DEBUG_DRIVER("Enabled default logical ring context for %s\n", ring->name); } + return 0; + err_out: gen8_gem_context_fini(dev); return ret;