From patchwork Wed Mar 4 15:31:44 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Tvrtko Ursulin X-Patchwork-Id: 11420273 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 85FA0930 for ; Wed, 4 Mar 2020 15:31:55 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6DE6A2166E for ; Wed, 4 Mar 2020 15:31:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6DE6A2166E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C03A36E05C; Wed, 4 Mar 2020 15:31:53 +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 8CB276E05C for ; Wed, 4 Mar 2020 15:31:52 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 04 Mar 2020 07:31:51 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,514,1574150400"; d="scan'208";a="274707208" Received: from srware-mobl.ger.corp.intel.com (HELO localhost.localdomain) ([10.252.25.112]) by fmsmga002.fm.intel.com with ESMTP; 04 Mar 2020 07:31:49 -0800 From: Tvrtko Ursulin To: Intel-gfx@lists.freedesktop.org Date: Wed, 4 Mar 2020 15:31:44 +0000 Message-Id: <20200304153144.10675-1-tvrtko.ursulin@linux.intel.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH] drm/i915/tgl: WaDisableGPGPUMidThreadPreemption X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: piotr.zdunowski@intel.com Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Tvrtko Ursulin Enable FtrPerCtxtPreemptionGranularityControl bit and select thread- group as the default preemption level. v2: * Remove register whitelisting (Rafael, Tony). Signed-off-by: Tvrtko Ursulin Cc: Michał Winiarski Cc: Joonas Lahtinen Cc: piotr.zdunowski@intel.com Cc: michal.mrozek@intel.com Cc: Tony Ye Cc: Rafael Antognolli Acked-by: Rafael Antognolli Acked-by: Jason Ekstrand Acked-by: Chris Wilson Acked-by: Tony Ye --- drivers/gpu/drm/i915/gt/intel_workarounds.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index cb7d85c42f13..7be71a1a5719 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -601,6 +601,11 @@ static void tgl_ctx_workarounds_init(struct intel_engine_cs *engine, */ wa_add(wal, FF_MODE2, FF_MODE2_TDS_TIMER_MASK, FF_MODE2_TDS_TIMER_128, 0); + + /* WaDisableGPGPUMidThreadPreemption:tgl */ + WA_SET_FIELD_MASKED(GEN8_CS_CHICKEN1, + GEN9_PREEMPT_GPGPU_LEVEL_MASK, + GEN9_PREEMPT_GPGPU_THREAD_GROUP_LEVEL); } static void @@ -1475,8 +1480,8 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal) PSDUNIT_CLKGATE_DIS); } - if (IS_GEN_RANGE(i915, 9, 11)) { - /* FtrPerCtxtPreemptionGranularityControl:skl,bxt,kbl,cfl,cnl,icl */ + if (IS_GEN_RANGE(i915, 9, 12)) { + /* FtrPerCtxtPreemptionGranularityControl:skl,bxt,kbl,cfl,cnl,icl,tgl */ wa_masked_en(wal, GEN7_FF_SLICE_CS_CHICKEN1, GEN9_FFSC_PERCTX_PREEMPT_CTRL);