From patchwork Tue Mar 24 14:32:58 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Timo Aaltonen X-Patchwork-Id: 1260756 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.ubuntu.com (client-ip=91.189.94.19; helo=huckleberry.canonical.com; envelope-from=kernel-team-bounces@lists.ubuntu.com; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=ubuntu.com Received: from huckleberry.canonical.com (huckleberry.canonical.com [91.189.94.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 48mv2x3Lk0z9sTs; Wed, 25 Mar 2020 01:36:57 +1100 (AEDT) Received: from localhost ([127.0.0.1] helo=huckleberry.canonical.com) by huckleberry.canonical.com with esmtp (Exim 4.86_2) (envelope-from ) id 1jGkfi-0007Ht-Az; Tue, 24 Mar 2020 14:36:50 +0000 Received: from youngberry.canonical.com ([91.189.89.112]) by huckleberry.canonical.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1jGkfG-00070f-H1 for kernel-team@lists.ubuntu.com; Tue, 24 Mar 2020 14:36:22 +0000 Received: from [192.194.81.50] (helo=localhost.localdomain) by youngberry.canonical.com with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1jGkcL-00036U-7I for kernel-team@lists.ubuntu.com; Tue, 24 Mar 2020 14:33:21 +0000 From: Timo Aaltonen To: kernel-team@lists.ubuntu.com Subject: [OEM-5.6][PATCH 29/37] drm/i915/tgl: WaDisableGPGPUMidThreadPreemption Date: Tue, 24 Mar 2020 16:32:58 +0200 Message-Id: <20200324143306.250696-30-tjaalton@ubuntu.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200324143306.250696-1-tjaalton@ubuntu.com> References: <20200324143306.250696-1-tjaalton@ubuntu.com> MIME-Version: 1.0 X-BeenThere: kernel-team@lists.ubuntu.com X-Mailman-Version: 2.1.20 Precedence: list List-Id: Kernel team discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: kernel-team-bounces@lists.ubuntu.com Sender: "kernel-team" From: Tvrtko Ursulin BugLink: https://bugs.launchpad.net/bugs/1868727 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 Link: https://patchwork.freedesktop.org/patch/msgid/20200304153144.10675-1-tvrtko.ursulin@linux.intel.com (cherry picked from drm-intel-next commit 9b11bbf0c4008fa0b715ed68db0d5669175413c5) Signed-off-by: Timo Aaltonen --- 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 9b90c45b18f5..68a6fc473b02 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -596,6 +596,11 @@ 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 @@ -1453,8 +1458,8 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal) 0); } - 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);