From patchwork Wed May 2 20:34:19 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: 10376493 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 6659960384 for ; Wed, 2 May 2018 20:35:00 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5635928F9F for ; Wed, 2 May 2018 20:35:00 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4B60D29007; Wed, 2 May 2018 20:35:00 +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 0446C28F9F for ; Wed, 2 May 2018 20:35:00 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 599A86E696; Wed, 2 May 2018 20:34:31 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by gabe.freedesktop.org (Postfix) with ESMTPS id B78B26E5AE for ; Wed, 2 May 2018 20:34:19 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga105.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 02 May 2018 13:34:18 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.49,354,1520924400"; d="scan'208";a="36380662" Received: from omateolo-linux.sc.intel.com ([10.3.229.22]) by fmsmga007.fm.intel.com with ESMTP; 02 May 2018 13:34:18 -0700 From: Oscar Mateo To: intel-gfx@lists.freedesktop.org Date: Wed, 2 May 2018 13:34:19 -0700 Message-Id: <1525293261-13613-21-git-send-email-oscar.mateo@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1525293261-13613-1-git-send-email-oscar.mateo@intel.com> References: <1525293261-13613-1-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) 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 7cf5d89..2f37ead 100644 --- a/drivers/gpu/drm/i915/intel_workarounds.c +++ b/drivers/gpu/drm/i915/intel_workarounds.c @@ -897,6 +897,9 @@ 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,