From patchwork Wed Jul 1 15:27:33 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michel Thierry X-Patchwork-Id: 6704291 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 08A5AC05AD for ; Wed, 1 Jul 2015 15:27:59 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 3F486203E1 for ; Wed, 1 Jul 2015 15:27:58 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 4D9A8202A1 for ; Wed, 1 Jul 2015 15:27:57 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B56EB7A010; Wed, 1 Jul 2015 08:27:56 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTP id A535E89624 for ; Wed, 1 Jul 2015 08:27:55 -0700 (PDT) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga102.fm.intel.com with ESMTP; 01 Jul 2015 08:27:55 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,386,1432623600"; d="scan'208";a="721077273" Received: from michelth-linux2.isw.intel.com ([10.102.226.189]) by orsmga001.jf.intel.com with ESMTP; 01 Jul 2015 08:27:54 -0700 From: Michel Thierry To: intel-gfx@lists.freedesktop.org Date: Wed, 1 Jul 2015 16:27:33 +0100 Message-Id: <1435764453-11954-18-git-send-email-michel.thierry@intel.com> X-Mailer: git-send-email 2.4.5 In-Reply-To: <1435764453-11954-1-git-send-email-michel.thierry@intel.com> References: <1433954816-13787-1-git-send-email-michel.thierry@intel.com> <1435764453-11954-1-git-send-email-michel.thierry@intel.com> Cc: akash.goel@intel.com Subject: [Intel-gfx] [PATCH v3 17/17] drm/i915/gen8: Flip the 48b switch 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=-4.8 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 Use 48b addresses if hw supports it (i915.enable_ppgtt=3). Note, aliasing PPGTT remains 32b only. Signed-off-by: Michel Thierry --- drivers/gpu/drm/i915/i915_gem_gtt.c | 4 ++-- drivers/gpu/drm/i915/i915_params.c | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 7712b10..27dc28c 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -110,7 +110,7 @@ static int sanitize_enable_ppgtt(struct drm_device *dev, int enable_ppgtt) has_full_ppgtt = INTEL_INFO(dev)->gen >= 7; has_full_64bit_ppgtt = IS_ENABLED(CONFIG_X86_64) && (IS_BROADWELL(dev) || - INTEL_INFO(dev)->gen >= 9) && false; /* FIXME: 64b */ + INTEL_INFO(dev)->gen >= 9); if (intel_vgpu_active(dev)) has_full_ppgtt = false; /* emulation is too hard */ @@ -148,7 +148,7 @@ static int sanitize_enable_ppgtt(struct drm_device *dev, int enable_ppgtt) } if (INTEL_INFO(dev)->gen >= 8 && i915.enable_execlists) - return 2; + return has_full_64bit_ppgtt ? 3 : 2; else return has_aliasing_ppgtt ? 1 : 0; } diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c index 7983fe4..ccf3eb2 100644 --- a/drivers/gpu/drm/i915/i915_params.c +++ b/drivers/gpu/drm/i915/i915_params.c @@ -110,7 +110,7 @@ MODULE_PARM_DESC(enable_hangcheck, module_param_named_unsafe(enable_ppgtt, i915.enable_ppgtt, int, 0400); MODULE_PARM_DESC(enable_ppgtt, "Override PPGTT usage. " - "(-1=auto [default], 0=disabled, 1=aliasing, 2=full)"); + "(-1=auto [default], 0=disabled, 1=aliasing, 2=full, 3=full_64b)"); module_param_named(enable_execlists, i915.enable_execlists, int, 0400); MODULE_PARM_DESC(enable_execlists,