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=-15.9 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 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 8D1C1C47083 for ; Wed, 2 Jun 2021 11:50:31 +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 13BEA613AA for ; Wed, 2 Jun 2021 11:50:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 13BEA613AA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9898E6EAD3; Wed, 2 Jun 2021 11:50:28 +0000 (UTC) Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by gabe.freedesktop.org (Postfix) with ESMTP id 4EC936EB85 for ; Wed, 2 Jun 2021 11:50:27 +0000 (UTC) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 07A2D1063; Wed, 2 Jun 2021 04:50:27 -0700 (PDT) Received: from [192.168.1.179] (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 0C61A3F719; Wed, 2 Jun 2021 04:50:25 -0700 (PDT) Subject: Re: [PATCH 2/4] drm/panfrost: Add CYCLE_COUNT_START/STOP commands To: alyssa.rosenzweig@collabora.com, dri-devel@lists.freedesktop.org References: <20210527203804.12914-1-alyssa.rosenzweig@collabora.com> <20210527203804.12914-3-alyssa.rosenzweig@collabora.com> From: Steven Price Message-ID: <87171dee-4c02-799e-5568-81a6dbde4757@arm.com> Date: Wed, 2 Jun 2021 12:50:24 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: <20210527203804.12914-3-alyssa.rosenzweig@collabora.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-GB Content-Transfer-Encoding: 7bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: airlied@linux.ie, tomeu.vizoso@collabora.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On 27/05/2021 21:38, alyssa.rosenzweig@collabora.com wrote: > From: Alyssa Rosenzweig > > Add additional values of GPU_COMMAND required to enable and disable the > cycle (and timestamp) counters. Values from mali_kbase. > > Signed-off-by: Alyssa Rosenzweig Reviewed-by: Steven Price > --- > drivers/gpu/drm/panfrost/panfrost_regs.h | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/gpu/drm/panfrost/panfrost_regs.h b/drivers/gpu/drm/panfrost/panfrost_regs.h > index eddaa62ad..8ac60de6f 100644 > --- a/drivers/gpu/drm/panfrost/panfrost_regs.h > +++ b/drivers/gpu/drm/panfrost/panfrost_regs.h > @@ -46,6 +46,8 @@ > #define GPU_CMD_SOFT_RESET 0x01 > #define GPU_CMD_PERFCNT_CLEAR 0x03 > #define GPU_CMD_PERFCNT_SAMPLE 0x04 > +#define GPU_CMD_CYCLE_COUNT_START 0x05 > +#define GPU_CMD_CYCLE_COUNT_STOP 0x06 > #define GPU_CMD_CLEAN_CACHES 0x07 > #define GPU_CMD_CLEAN_INV_CACHES 0x08 > #define GPU_STATUS 0x34 >