From patchwork Thu Sep 7 15:40:05 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: oscar.mateo@intel.com X-Patchwork-Id: 9942453 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 9E6416038C for ; Thu, 7 Sep 2017 15:40:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9E09A28727 for ; Thu, 7 Sep 2017 15:40:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 929012872C; Thu, 7 Sep 2017 15:40:12 +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 2416528727 for ; Thu, 7 Sep 2017 15:40:12 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0181B6E975; Thu, 7 Sep 2017 15:40:11 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id E27BC6E96B for ; Thu, 7 Sep 2017 15:40:09 +0000 (UTC) Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 07 Sep 2017 08:40:09 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.42,359,1500966000"; d="scan'208";a="146619745" Received: from omateolo-linux.fm.intel.com ([10.1.27.26]) by orsmga005.jf.intel.com with ESMTP; 07 Sep 2017 08:40:08 -0700 From: Oscar Mateo To: intel-gfx@lists.freedesktop.org Date: Thu, 7 Sep 2017 08:40:05 -0700 Message-Id: <1504798809-5653-2-git-send-email-oscar.mateo@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1504798809-5653-1-git-send-email-oscar.mateo@intel.com> References: <1504798809-5653-1-git-send-email-oscar.mateo@intel.com> MIME-Version: 1.0 Cc: Rodrigo Vivi , Mika Kuoppala Subject: [Intel-gfx] [PATCH 2/6] drm/i915: Transform WaDisableI2mCycleOnWRPort into a simple reg write 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: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP GAMT_CHKN_BIT_REG does not live in the context. Cc: Chris Wilson Cc: Mika Kuoppala Cc: Rodrigo Vivi Signed-off-by: Oscar Mateo Reviewed-by: Michał Winiarski --- drivers/gpu/drm/i915/intel_engine_cs.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c index 4600325..7c384d5 100644 --- a/drivers/gpu/drm/i915/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/intel_engine_cs.c @@ -1072,10 +1072,11 @@ static int cnl_init_workarounds(struct intel_engine_cs *engine) struct drm_i915_private *dev_priv = engine->i915; int ret; - /* WaDisableI2mCycleOnWRPort: cnl (pre-prod) */ + /* WaDisableI2mCycleOnWRPort:cnl (pre-prod) */ if (IS_CNL_REVID(dev_priv, CNL_REVID_B0, CNL_REVID_B0)) - WA_SET_BIT(GAMT_CHKN_BIT_REG, - GAMT_CHKN_DISABLE_I2M_CYCLE_ON_WR_PORT); + I915_WRITE(GAMT_CHKN_BIT_REG, + (I915_READ(GAMT_CHKN_BIT_REG) | + GAMT_CHKN_DISABLE_I2M_CYCLE_ON_WR_PORT)); /* WaForceContextSaveRestoreNonCoherent:cnl */ WA_SET_BIT_MASKED(CNL_HDC_CHICKEN0,