From patchwork Fri Apr 6 22:25:07 2018 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: 10327665 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 1142660541 for ; Fri, 6 Apr 2018 22:25:38 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F01CF20700 for ; Fri, 6 Apr 2018 22:25:37 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E4EE327FAC; Fri, 6 Apr 2018 22:25:37 +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=-5.2 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, 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 99FB920700 for ; Fri, 6 Apr 2018 22:25:37 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 655016EAF5; Fri, 6 Apr 2018 22:25:24 +0000 (UTC) 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 ESMTPS id 47F1D6EAE2 for ; Fri, 6 Apr 2018 22:25:22 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 06 Apr 2018 15:25:21 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.48,417,1517904000"; d="scan'208";a="189324155" Received: from omateolo-linux.sc.intel.com ([10.3.229.22]) by orsmga004.jf.intel.com with ESMTP; 06 Apr 2018 15:25:21 -0700 From: Oscar Mateo To: intel-gfx@lists.freedesktop.org Date: Fri, 6 Apr 2018 15:25:07 -0700 Message-Id: <1523053518-20827-11-git-send-email-oscar.mateo@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1523053518-20827-1-git-send-email-oscar.mateo@intel.com> References: <1523053518-20827-1-git-send-email-oscar.mateo@intel.com> Subject: [Intel-gfx] [PATCH 11/22] drm/i915/icl: WaAllowUMDToModifyHalfSliceChicken7 X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 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 Required to dinamically set 'Trilinear Filter Quality Mode' Do Linux UMDs make use of this? This change has been security reviewed and the whitelisting approved. Virtualization of other OSes could certainly use it. v2: For whatever reason, this ended up in KBL (??!!) Cc: Mika Kuoppala Signed-off-by: Oscar Mateo --- drivers/gpu/drm/i915/intel_engine_cs.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c index ada80c1..7fb7283 100644 --- a/drivers/gpu/drm/i915/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/intel_engine_cs.c @@ -1505,6 +1505,11 @@ static int icl_init_workarounds(struct intel_engine_cs *engine) if (ret) return ret; + /* WaAllowUMDToModifyHalfSliceChicken7:icl */ + ret = wa_ring_whitelist_reg(engine, GEN9_HALF_SLICE_CHICKEN7); + if (ret) + return ret; + return 0; }