From patchwork Tue Jul 14 13:41:15 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nick Hoath X-Patchwork-Id: 6787141 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 21620C05AC for ; Tue, 14 Jul 2015 13:41:57 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 52099206F5 for ; Tue, 14 Jul 2015 13:41:56 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 5B401206E3 for ; Tue, 14 Jul 2015 13:41:55 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 564706EA1B; Tue, 14 Jul 2015 06:41:54 -0700 (PDT) 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 ESMTP id BE2926EA1B for ; Tue, 14 Jul 2015 06:41:52 -0700 (PDT) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga103.jf.intel.com with ESMTP; 14 Jul 2015 06:41:20 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,472,1432623600"; d="scan'208";a="764168472" Received: from nthoath-linux.isw.intel.com ([10.102.226.62]) by orsmga002.jf.intel.com with ESMTP; 14 Jul 2015 06:41:19 -0700 From: Nick Hoath To: intel-gfx@lists.freedesktop.org Date: Tue, 14 Jul 2015 14:41:15 +0100 Message-Id: <1436881275-15459-1-git-send-email-nicholas.hoath@intel.com> X-Mailer: git-send-email 2.1.1 Subject: [Intel-gfx] [PATCH] drm/i915/gen9: Implement WaDisableKillLogic for gen 9 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: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Spam-Status: No, score=-5.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP v2: Patch leakage fixed Signed-off-by: Nick Hoath Reviewed-by: Mika Kuoppala --- drivers/gpu/drm/i915/i915_reg.h | 1 + drivers/gpu/drm/i915/intel_pm.c | 4 ++++ 3 files changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 059de0f..afa8972 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -160,6 +160,7 @@ #define GAM_ECOCHK 0x4090 #define BDW_DISABLE_HDC_INVALIDATION (1<<25) #define ECOCHK_SNB_BIT (1<<10) +#define ECOCHK_DIS_TLB (1<<8) #define HSW_ECOCHK_ARB_PRIO_SOL (1<<6) #define ECOCHK_PPGTT_CACHE64B (0x3<<3) #define ECOCHK_PPGTT_CACHE4B (0x0<<3) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index f2be1ce..6986342 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -59,6 +59,10 @@ static void gen9_init_clock_gating(struct drm_device *dev) /* WaEnableLbsSlaRetryTimerDecrement:skl */ I915_WRITE(BDW_SCRATCH1, I915_READ(BDW_SCRATCH1) | GEN9_LBS_SLA_RETRY_TIMER_DECREMENT_ENABLE); + + /* WaDisableKillLogic:bxt,skl */ + I915_WRITE(GAM_ECOCHK, I915_READ(GAM_ECOCHK) | + ECOCHK_DIS_TLB); } static void skl_init_clock_gating(struct drm_device *dev)