From patchwork Fri May 25 22:05:35 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: 10428645 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 24CDF6032C for ; Fri, 25 May 2018 22:05:23 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 17C8C297FD for ; Fri, 25 May 2018 22:05:23 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0CDA329817; Fri, 25 May 2018 22:05:23 +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 BE09A297FD for ; Fri, 25 May 2018 22:05:22 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E20266EAFC; Fri, 25 May 2018 22:05:18 +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 4831F6EAF7 for ; Fri, 25 May 2018 22:05:16 +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; 25 May 2018 15:05:15 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.49,441,1520924400"; d="scan'208";a="202551119" Received: from omateolo-linux.sc.intel.com ([10.3.229.22]) by orsmga004.jf.intel.com with ESMTP; 25 May 2018 15:05:15 -0700 From: Oscar Mateo To: intel-gfx@lists.freedesktop.org Date: Fri, 25 May 2018 15:05:35 -0700 Message-Id: <1527285939-20113-8-git-send-email-oscar.mateo@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1527285939-20113-1-git-send-email-oscar.mateo@intel.com> References: <1527285939-20113-1-git-send-email-oscar.mateo@intel.com> Subject: [Intel-gfx] [PATCH 07/11] 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 (??!!) v3: Rebased on top of the WA refactoring v4: Rebased on top of the whitelist reg refactoring (Michel) v5: Added References (Mika) References: HSDES#1804860157 Cc: Mika Kuoppala Signed-off-by: Oscar Mateo --- drivers/gpu/drm/i915/intel_workarounds.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_workarounds.c b/drivers/gpu/drm/i915/intel_workarounds.c index e173e17..cce3e3f 100644 --- a/drivers/gpu/drm/i915/intel_workarounds.c +++ b/drivers/gpu/drm/i915/intel_workarounds.c @@ -968,6 +968,9 @@ static void icl_whitelist_build(struct whitelist *w) /* WaAllowUMDToModifyHalfSliceChicken2:icl */ whitelist_reg(w, HALF_SLICE_CHICKEN2); + + /* WaAllowUMDToModifyHalfSliceChicken7:icl */ + whitelist_reg(w, GEN9_HALF_SLICE_CHICKEN7); } static struct whitelist *whitelist_build(struct intel_engine_cs *engine,