From patchwork Wed Feb 22 16:54:24 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mika Kuoppala X-Patchwork-Id: 9587177 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id E37B2602A7 for ; Wed, 22 Feb 2017 16:55:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CFB7928536 for ; Wed, 22 Feb 2017 16:55:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C4AAA285DE; Wed, 22 Feb 2017 16:55:31 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id D2E7928536 for ; Wed, 22 Feb 2017 16:55:30 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id F30F36E329; Wed, 22 Feb 2017 16:55:29 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 44A856E862 for ; Wed, 22 Feb 2017 16:55:29 +0000 (UTC) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga105.jf.intel.com with ESMTP; 22 Feb 2017 08:55:28 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos; i="5.35,195,1484035200"; d="scan'208"; a="1133429653" Received: from rosetta.fi.intel.com ([10.237.72.176]) by fmsmga002.fm.intel.com with ESMTP; 22 Feb 2017 08:55:27 -0800 Received: by rosetta.fi.intel.com (Postfix, from userid 1000) id 25359841865; Wed, 22 Feb 2017 18:54:26 +0200 (EET) From: Mika Kuoppala To: intel-gfx@lists.freedesktop.org Date: Wed, 22 Feb 2017 18:54:24 +0200 Message-Id: <1487782465-7777-4-git-send-email-mika.kuoppala@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1487782465-7777-1-git-send-email-mika.kuoppala@intel.com> References: <1487782465-7777-1-git-send-email-mika.kuoppala@intel.com> Subject: [Intel-gfx] [PATCH 4/5] drm/i915/gtt: No need to do tlb flush with 48bit vm 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-Virus-Scanned: ClamAV using ClamSMTP The pdp rewrite to force tlb flush is only a 32bit ppgtt trick. That should not be needed with 48bit ppgtt. Cc: Chris Wilson Signed-off-by: Mika Kuoppala --- drivers/gpu/drm/i915/i915_gem_gtt.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 269a8f1..791cb81 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -1103,7 +1103,8 @@ static int gen8_ppgtt_alloc_pdp(struct i915_address_space *vm, gen8_ppgtt_set_pdpe(vm, pdp, pd, pdpe); pdp->used_pdpes++; - mark_tlbs_dirty(i915_vm_to_ppgtt(vm)); + if (!i915_vm_is_48bit(vm)) + mark_tlbs_dirty(i915_vm_to_ppgtt(vm)); } ret = gen8_ppgtt_alloc_pd(vm, pd, start, length);