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=-8.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 AB97EC433DF for ; Fri, 29 May 2020 12:20:31 +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 869CF20663 for ; Fri, 29 May 2020 12:20:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 869CF20663 Authentication-Results: mail.kernel.org; dmarc=none (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 A1FB66E8E2; Fri, 29 May 2020 12:20:30 +0000 (UTC) Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by gabe.freedesktop.org (Postfix) with ESMTP id A3AF76E8E2 for ; Fri, 29 May 2020 12:20:29 +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 0B80355D; Fri, 29 May 2020 05:20:29 -0700 (PDT) Received: from [10.57.2.168] (unknown [10.57.2.168]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id D81703F52E; Fri, 29 May 2020 05:20:26 -0700 (PDT) Subject: Re: [PATCH 05/15] drm/panfrost: use spinlock instead of atomic To: =?UTF-8?B?Q2zDqW1lbnQgUMOpcm9u?= , Rob Herring , Tomeu Vizoso , Steven Price , Alyssa Rosenzweig , Viresh Kumar , Nishanth Menon , Stephen Boyd , Maxime Ripard , Chen-Yu Tsai References: <20200510165538.19720-1-peron.clem@gmail.com> <20200510165538.19720-6-peron.clem@gmail.com> From: Robin Murphy Message-ID: <788ac664-e426-d307-f81e-9632de09887c@arm.com> Date: Fri, 29 May 2020 13:20:24 +0100 User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: <20200510165538.19720-6-peron.clem@gmail.com> Content-Language: en-GB 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: linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" T24gMjAyMC0wNS0xMCAxNzo1NSwgQ2zDqW1lbnQgUMOpcm9uIHdyb3RlOgo+IENvbnZlcnQgYnVz eV9jb3VudCB0byBhIHNpbXBsZSBpbnQgcHJvdGVjdGVkIGJ5IHNwaW5sb2NrLgoKQSBsaXR0bGUg bW9yZSByZWFzb25pbmcgbWlnaHQgYmUgbmljZS4KCj4gU2lnbmVkLW9mZi1ieTogQ2zDqW1lbnQg UMOpcm9uIDxwZXJvbi5jbGVtQGdtYWlsLmNvbT4KPiAtLS0KWy4uLl0KPiBkaWZmIC0tZ2l0IGEv ZHJpdmVycy9ncHUvZHJtL3BhbmZyb3N0L3BhbmZyb3N0X2RldmZyZXEuaCBiL2RyaXZlcnMvZ3B1 L2RybS9wYW5mcm9zdC9wYW5mcm9zdF9kZXZmcmVxLmgKPiBpbmRleCAwNjk3ZjhkNWFhMzQuLmU2 NjI5OTAwYTYxOCAxMDA2NDQKPiAtLS0gYS9kcml2ZXJzL2dwdS9kcm0vcGFuZnJvc3QvcGFuZnJv c3RfZGV2ZnJlcS5oCj4gKysrIGIvZHJpdmVycy9ncHUvZHJtL3BhbmZyb3N0L3BhbmZyb3N0X2Rl dmZyZXEuaAo+IEBAIC00LDYgKzQsNyBAQAo+ICAgI2lmbmRlZiBfX1BBTkZST1NUX0RFVkZSRVFf SF9fCj4gICAjZGVmaW5lIF9fUEFORlJPU1RfREVWRlJFUV9IX18KPiAgIAo+ICsjaW5jbHVkZSA8 bGludXgvc3BpbmxvY2suaD4KPiAgICNpbmNsdWRlIDxsaW51eC9rdGltZS5oPgo+ICAgCj4gICBz dHJ1Y3QgZGV2ZnJlcTsKPiBAQCAtMTQsMTAgKzE1LDE3IEBAIHN0cnVjdCBwYW5mcm9zdF9kZXZp Y2U7Cj4gICBzdHJ1Y3QgcGFuZnJvc3RfZGV2ZnJlcSB7Cj4gICAJc3RydWN0IGRldmZyZXEgKmRl dmZyZXE7Cj4gICAJc3RydWN0IHRoZXJtYWxfY29vbGluZ19kZXZpY2UgKmNvb2xpbmc7Cj4gKwo+ ICAgCWt0aW1lX3QgYnVzeV90aW1lOwo+ICAgCWt0aW1lX3QgaWRsZV90aW1lOwo+ICAgCWt0aW1l X3QgdGltZV9sYXN0X3VwZGF0ZTsKPiAtCWF0b21pY190IGJ1c3lfY291bnQ7Cj4gKwlpbnQgYnVz eV9jb3VudDsKPiArCS8qCj4gKwkgKiBQcm90ZWN0IGJ1c3lfdGltZSwgaWRsZV90aW1lLCB0aW1l X2xhc3RfdXBkYXRlIGFuZCBidXN5X2NvdW50Cj4gKwkgKiBiZWNhdXNlIHRoZXNlIGNhbiBiZSB1 cGRhdGVkIGNvbmN1cnJlbnRseSwgZm9yIGV4YW1wbGUgYnkgdGhlIEdQCj4gKwkgKiBhbmQgUFAg aW50ZXJydXB0cy4KPiArCSAqLwoKTml0OiB0aGlzIGNvbW1lbnQgaXMgY2xlYXJseSB3cm9uZywg c2luY2Ugd2Ugb25seSBoYXZlIEpvYiwgR1BVIGFuZCBNTVUgCmludGVycnVwdHMgaGVyZS4gSSBn dWVzcyBpZiB0aGVyZSBpcyBhIHJhY2UgaXQgd291bGQgYmUgYmV0d2VlbiAKc3VibWlzc2lvbi9j b21wbGV0aW9uL3RpbWVvdXQgb24gZGlmZmVyZW50IGpvYiBzbG90cy4KCkdpdmVuIHRoYXQsIHNo b3VsZCB0aGlzIGFjdHVhbGx5IGJlIGNvbnNpZGVyZWQgYSBmaXggZm9yIDllNjJiODg1ZjcxNSAK KCJkcm0vcGFuZnJvc3Q6IFNpbXBsaWZ5IGRldmZyZXEgdXRpbGlzYXRpb24gdHJhY2tpbmciKT8K ClJvYmluLgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpk cmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0 cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwK