From patchwork Thu Jan 30 11:31:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Tvrtko Ursulin X-Patchwork-Id: 11357775 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 0F64713A4 for ; Thu, 30 Jan 2020 11:31:17 +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 EB5DF206D3 for ; Thu, 30 Jan 2020 11:31:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EB5DF206D3 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 D164B6F958; Thu, 30 Jan 2020 11:31:15 +0000 (UTC) X-Original-To: Intel-gfx@lists.freedesktop.org Delivered-To: Intel-gfx@lists.freedesktop.org Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id A378F6F955 for ; Thu, 30 Jan 2020 11:31:14 +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 orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 30 Jan 2020 03:31:14 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.70,381,1574150400"; d="scan'208";a="262143548" Received: from lodierna-mobl.ger.corp.intel.com (HELO localhost.localdomain) ([10.252.22.225]) by fmsmga002.fm.intel.com with ESMTP; 30 Jan 2020 03:31:13 -0800 From: Tvrtko Ursulin To: Intel-gfx@lists.freedesktop.org Date: Thu, 30 Jan 2020 11:31:08 +0000 Message-Id: <20200130113108.10441-2-tvrtko.ursulin@linux.intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200130113108.10441-1-tvrtko.ursulin@linux.intel.com> References: <20200130113108.10441-1-tvrtko.ursulin@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [RFC 2/2] 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 Make thread-group preemption default because...? Signed-off-by: Tvrtko Ursulin Cc: Michał Winiarski Cc: Joonas Lahtinen Cc: piotr.zdunowski@intel.com Cc: michal.mrozek@intel.com --- drivers/gpu/drm/i915/gt/intel_workarounds.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index 5d2a8cb70e16..809bb56eb167 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -593,6 +593,11 @@ static void tgl_ctx_workarounds_init(struct intel_engine_cs *engine, wa_add(wal, FF_MODE2, FF_MODE2_TDS_TIMER_MASK, val, IS_TGL_REVID(engine->i915, TGL_REVID_A0, TGL_REVID_A0) ? 0 : FF_MODE2_TDS_TIMER_MASK); + + /* WaDisableGPGPUMidThreadPreemption:tgl */ + WA_SET_FIELD_MASKED(GEN8_CS_CHICKEN1, + GEN9_PREEMPT_GPGPU_LEVEL_MASK, + GEN9_PREEMPT_GPGPU_THREAD_GROUP_LEVEL); } static void