From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 13591C47404 for ; Sat, 5 Oct 2019 06:58:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CB7B62133F for ; Sat, 5 Oct 2019 06:58:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="eQFNKp3y" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726918AbfJEG6d (ORCPT ); Sat, 5 Oct 2019 02:58:33 -0400 Received: from mail-wr1-f65.google.com ([209.85.221.65]:40638 "EHLO mail-wr1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725796AbfJEG6c (ORCPT ); Sat, 5 Oct 2019 02:58:32 -0400 Received: by mail-wr1-f65.google.com with SMTP id h4so797129wrv.7 for ; Fri, 04 Oct 2019 23:58:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=suLS1tXQsXw4I8OWBfVO0nqihjsDo6neLg/xhQgKVN0=; b=eQFNKp3y1ZPgItvgnh4Z7wvxg4+lIrETkGUwdZ7ordeKUKu9FUu2D86v6ajm556zSM dFS0k68YSgjZx7Jeb6htWJOgzfyrfkT+vJkVctr3vxEyDDSYEUFGhovCMg3iJsPqliGX BmyQ8JSc6SnW8RkrpBkMSWiu2IQ5+UyJM99WDwqmB/pkp7PW7WkPjjulAY9gyZWOpH0G wTJwLGLsDZlil2DpglB07RpujTDYKnBW/X3UKVWTXdIfpIwF0qiypBXV8oKD8rm8Q3AZ f1/GWRBQmVbbV8gqQTXF3Kcu6TDa/ptVMhDCGKE6aVujlHuTddC7Kj0I/NgtOlrbfKbL mUHg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=suLS1tXQsXw4I8OWBfVO0nqihjsDo6neLg/xhQgKVN0=; b=Crte55Uu6lInYBJNWSNMIPeT2gjOhJpEnWgY6bYCJe6ELMzl6dkeg85x8cxYKUtC6g mxUlWr7ohW0+3zJEzROaCADTBKVJNNceKGCYX6LYK+qrVkGz4AO3hxav7tbMamnuHle6 2whu4IgoJGzQqnCWg5hZnBFG072dWJoqjgqS5C7cEh1pni+OoVTULzUWksDQhoOP9wd7 wnQuRnRoEfb917QNFdwK9t1PgbodJYhN7yjO5748mIFlPiWKDBfW5fGsmpZwY6Fc5Cl0 ZU/nzt4mV9VfNaVo70rlAu8f6gKeP3ibmdD2vc/yqhP4dmY7BMqRJu2apfahfRT6xehs /S2g== X-Gm-Message-State: APjAAAWB4M2LZn4w4JKoa2bwEUED8Sdq3/FRN4QNMRcZ1+LLYk1Ea6uy vUjFAI27cVVRYTDd68gUMZnc0KQs X-Google-Smtp-Source: APXvYqy5Sc3ZM+/7gaJex1/huPQnUV+un//+oYPZidIIWnnxjl26Ru3RyDJTSz9louiKGxrvLH2dKQ== X-Received: by 2002:adf:e341:: with SMTP id n1mr9985708wrj.133.1570258708540; Fri, 04 Oct 2019 23:58:28 -0700 (PDT) Received: from ogabbay-VM.habana-labs.com ([31.154.190.6]) by smtp.gmail.com with ESMTPSA id f20sm7015712wmb.6.2019.10.04.23.58.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Oct 2019 23:58:28 -0700 (PDT) From: Oded Gabbay To: linux-kernel@vger.kernel.org, oshpigelman@habana.ai, ttayar@habana.ai Cc: gregkh@linuxfoundation.org Subject: [PATCH] habanalabs: set TPC Icache to 16 cache lines Date: Sat, 5 Oct 2019 09:58:26 +0300 Message-Id: <20191005065826.3878-1-oded.gabbay@gmail.com> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Reduce latency to memory during TPC kernel execution. Signed-off-by: Oded Gabbay --- drivers/misc/habanalabs/goya/goya.c | 3 +++ drivers/misc/habanalabs/habanalabs.h | 7 ++++--- 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c index 0b40915bede2..d49f5ecd903b 100644 --- a/drivers/misc/habanalabs/goya/goya.c +++ b/drivers/misc/habanalabs/goya/goya.c @@ -1457,6 +1457,9 @@ static void goya_init_golden_registers(struct hl_device *hdev) 1 << TPC0_NRTR_SCRAMB_EN_VAL_SHIFT); WREG32(mmTPC0_NRTR_NON_LIN_SCRAMB + offset, 1 << TPC0_NRTR_NON_LIN_SCRAMB_EN_SHIFT); + + WREG32_FIELD(TPC0_CFG_MSS_CONFIG, offset, + ICACHE_FETCH_LINE_NUM, 2); } WREG32(mmDMA_NRTR_SCRAMB_EN, 1 << DMA_NRTR_SCRAMB_EN_VAL_SHIFT); diff --git a/drivers/misc/habanalabs/habanalabs.h b/drivers/misc/habanalabs/habanalabs.h index 371d1ec15697..91445371b08b 100644 --- a/drivers/misc/habanalabs/habanalabs.h +++ b/drivers/misc/habanalabs/habanalabs.h @@ -1062,9 +1062,10 @@ void hl_wreg(struct hl_device *hdev, u32 reg, u32 val); #define REG_FIELD_SHIFT(reg, field) reg##_##field##_SHIFT #define REG_FIELD_MASK(reg, field) reg##_##field##_MASK -#define WREG32_FIELD(reg, field, val) \ - WREG32(mm##reg, (RREG32(mm##reg) & ~REG_FIELD_MASK(reg, field)) | \ - (val) << REG_FIELD_SHIFT(reg, field)) +#define WREG32_FIELD(reg, offset, field, val) \ + WREG32(mm##reg + offset, (RREG32(mm##reg + offset) & \ + ~REG_FIELD_MASK(reg, field)) | \ + (val) << REG_FIELD_SHIFT(reg, field)) /* Timeout should be longer when working with simulator but cap the * increased timeout to some maximum -- 2.17.1