From patchwork Thu Apr 4 12:13:41 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= X-Patchwork-Id: 2392191 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by patchwork1.kernel.org (Postfix) with ESMTP id F3F8A3FD8C for ; Thu, 4 Apr 2013 12:14:46 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B7A23E5F9E for ; Thu, 4 Apr 2013 05:14:46 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga03.intel.com (mga03.intel.com [143.182.124.21]) by gabe.freedesktop.org (Postfix) with ESMTP id 2941FE5F9E for ; Thu, 4 Apr 2013 05:14:05 -0700 (PDT) Received: from azsmga001.ch.intel.com ([10.2.17.19]) by azsmga101.ch.intel.com with ESMTP; 04 Apr 2013 05:14:03 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.87,408,1363158000"; d="scan'208";a="280731130" Received: from stinkbox.fi.intel.com (HELO stinkbox) ([10.237.72.168]) by azsmga001.ch.intel.com with SMTP; 04 Apr 2013 05:13:46 -0700 Received: by stinkbox (sSMTP sendmail emulation); Thu, 04 Apr 2013 15:13:45 +0300 From: ville.syrjala@linux.intel.com To: intel-gfx@lists.freedesktop.org Date: Thu, 4 Apr 2013 15:13:41 +0300 Message-Id: <1365077622-4605-2-git-send-email-ville.syrjala@linux.intel.com> X-Mailer: git-send-email 1.8.1.5 In-Reply-To: <1365077622-4605-1-git-send-email-ville.syrjala@linux.intel.com> References: <1365077622-4605-1-git-send-email-ville.syrjala@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 2/3] drm/i915: Set GAC_ECO_BITS register on Gen7+ X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org From: Ville Syrjälä According to BSpec GAC_ECO_BITS register exists on Gen7 platforms as well. Configure it accordingly. Signed-off-by: Ville Syrjälä --- drivers/gpu/drm/i915/i915_gem_gtt.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 593137b..a851362 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -323,6 +323,11 @@ void i915_gem_init_ppgtt(struct drm_device *dev) ECOCHK_PPGTT_CACHE64B); I915_WRITE(GFX_MODE, _MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE)); } else if (INTEL_INFO(dev)->gen >= 7) { + uint32_t ecobits; + + ecobits = I915_READ(GAC_ECO_BITS); + I915_WRITE(GAC_ECO_BITS, ecobits | ECOBITS_PPGTT_CACHE64B); + I915_WRITE(GAM_ECOCHK, ECOCHK_PPGTT_CACHE64B); /* GFX_MODE is per-ring on gen7+ */ }