From patchwork Fri Apr 20 20:34:04 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: 10353655 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 EB42A60231 for ; Fri, 20 Apr 2018 20:34:32 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DC5D32883D for ; Fri, 20 Apr 2018 20:34:32 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D0AE028861; Fri, 20 Apr 2018 20:34:32 +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 7229E2883D for ; Fri, 20 Apr 2018 20:34:32 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 11FAB6E721; Fri, 20 Apr 2018 20:34:21 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7B5E96E27C for ; Fri, 20 Apr 2018 20:33:58 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 20 Apr 2018 13:33:58 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.49,303,1520924400"; d="scan'208";a="218182288" Received: from omateolo-linux.sc.intel.com ([10.3.229.22]) by orsmga005.jf.intel.com with ESMTP; 20 Apr 2018 13:33:58 -0700 From: Oscar Mateo To: intel-gfx@lists.freedesktop.org Date: Fri, 20 Apr 2018 13:34:04 -0700 Message-Id: <1524256446-28490-21-git-send-email-oscar.mateo@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1524256446-28490-1-git-send-email-oscar.mateo@intel.com> References: <1524256446-28490-1-git-send-email-oscar.mateo@intel.com> Subject: [Intel-gfx] [PATCH 20/22] 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 (??!!) v3: Rebased on top of the WA refactoring v4: Rebased on top of the whitelist reg refactoring (Michel) 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 ba2ba63..120e703 100644 --- a/drivers/gpu/drm/i915/intel_workarounds.c +++ b/drivers/gpu/drm/i915/intel_workarounds.c @@ -904,6 +904,9 @@ 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,