From patchwork Fri May 25 22:05:39 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: 10428657 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 66D226038C for ; Fri, 25 May 2018 22:05:32 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 59C0D297FD for ; Fri, 25 May 2018 22:05:32 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4EC2329817; Fri, 25 May 2018 22:05:32 +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 07DDB297FD for ; Fri, 25 May 2018 22:05:32 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CFF336EB1E; Fri, 25 May 2018 22:05:30 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTPS id 005C96EAF8 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 orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 25 May 2018 15:05:16 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.49,441,1520924400"; d="scan'208";a="202551134" Received: from omateolo-linux.sc.intel.com ([10.3.229.22]) by orsmga004.jf.intel.com with ESMTP; 25 May 2018 15:05:16 -0700 From: Oscar Mateo To: intel-gfx@lists.freedesktop.org Date: Fri, 25 May 2018 15:05:39 -0700 Message-Id: <1527285939-20113-12-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 11/11] drm/i915/icl: Wa_1406463099 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 Prevents an error in the GAM unit. Also known as WaGamTlbPendError References: HSDES#1406463099 References: HSDES#1406465643 Signed-off-by: Oscar Mateo Reviewed-by: Mika Kuoppala --- drivers/gpu/drm/i915/i915_reg.h | 5 +++-- drivers/gpu/drm/i915/intel_workarounds.c | 7 +++++++ 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 42835d79..8a18447 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -2306,8 +2306,9 @@ enum i915_power_well_id { #define GAMW_ECO_ENABLE_64K_IPS_FIELD 0xF #define GAMT_CHKN_BIT_REG _MMIO(0x4ab8) -#define GAMT_CHKN_DISABLE_DYNAMIC_CREDIT_SHARING (1<<28) -#define GAMT_CHKN_DISABLE_I2M_CYCLE_ON_WR_PORT (1<<24) +#define GAMT_CHKN_DISABLE_L3_COH_PIPE (1 << 31) +#define GAMT_CHKN_DISABLE_DYNAMIC_CREDIT_SHARING (1 << 28) +#define GAMT_CHKN_DISABLE_I2M_CYCLE_ON_WR_PORT (1 << 24) #if 0 #define PRB0_TAIL _MMIO(0x2030) diff --git a/drivers/gpu/drm/i915/intel_workarounds.c b/drivers/gpu/drm/i915/intel_workarounds.c index 474e498..77929df 100644 --- a/drivers/gpu/drm/i915/intel_workarounds.c +++ b/drivers/gpu/drm/i915/intel_workarounds.c @@ -859,6 +859,13 @@ static void icl_gt_workarounds_apply(struct drm_i915_private *dev_priv) PMFLUSHDONE_LNICRSDROP | PMFLUSH_GAPL3UNBLOCK | PMFLUSHDONE_LNEBLK); + + /* Wa_1406463099:icl + * Formerly known as WaGamTlbPendError + */ + I915_WRITE(GAMT_CHKN_BIT_REG, + I915_READ(GAMT_CHKN_BIT_REG) | + GAMT_CHKN_DISABLE_L3_COH_PIPE); } void intel_gt_workarounds_apply(struct drm_i915_private *dev_priv)