From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gerd Hoffmann Subject: Re: [PATCH] drm: fourcc byteorder: brings header file comments in line with reality. Date: Fri, 21 Apr 2017 11:38:28 +0200 Message-ID: <1492767508.25675.23.camel@redhat.com> References: <20170421075825.6307-1-kraxel@redhat.com> <20170421110605.1a255f44@eldfell> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20170421110605.1a255f44@eldfell> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Pekka Paalanen Cc: amd-gfx@lists.freedesktop.org, Michel =?ISO-8859-1?Q?D=E4nzer?= , open list , dri-devel@lists.freedesktop.org, Daniel Vetter List-Id: amd-gfx.lists.freedesktop.org ICBIaSwKCj4gPiBMZWF2aW5nIHRoZSB5dXYgZm9ybWF0cyBhcy1pcy4gIEkgaGF2ZSBubyBpZGVh IGlmIGFuZCBob3cgdGhvc2UgYXJlIHVzZWQKPiA+IG9uIGJpZ2VuZGlhbiBtYWNoaW5lcy4KCj4g anVzdCBhbiBpZGVhIC0gc2luY2Ugd2UgYXJlIG5vdCBzdXJlIGhvdyB0aGUgcmVtYWluaW5nIGZv cm1hdHMgYXJlIGJlaW5nCj4gdXNlZCwgc2hvdWxkIHRob3NlIGJlIG1hcmtlZCBzb21laG93IHVu Y2VydGFpbiB3aGV0aGVyIHRoZXkgYXJlIGxpdHRsZQo+IG9yIG5hdGl2ZSBlbmRpYW4/CgpBVE0g dGhlIHl1diBkb24ndCBoYXZlIGFueSBieXRlIG9yZGVyIGFubm90YXRpb25zLCBhbmQgSSBzaW1w bHkgbGVmdAp0aGVtIHRoYXQgd2F5LiAgU28gaXQgaXMgYXMgY2xlYXIvdW5jbGVhciBhcyBiZWZv cmUuCgpJSVJDIHNvbWVvbmUgbWVudGlvbmVkIHRoYXQgZm9yIHRoZSB5dXYgZm91cmNjcyB0aGVy ZSBhY3R1YWxseSBpcyBzb21lCnN0YW5kYXJkIGFib3V0IHRoZSBleGFjdCBvcmRlcmluZy4gIEFu eW9uZSBoYXMgYSBnb29kIHJlZmVyZW5jZT8gIFdlCmNvdWxkIHN0aWNrIGEgbGluayB0byBpdCBp bnRvIGEgY29tbWVudC4KCmNoZWVycywKICBHZXJkCgpfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBs aXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1h bi9saXN0aW5mby9kcmktZGV2ZWwK From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1037430AbdDUJjT convert rfc822-to-8bit (ORCPT ); Fri, 21 Apr 2017 05:39:19 -0400 Received: from mx1.redhat.com ([209.132.183.28]:51072 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1037395AbdDUJic (ORCPT ); Fri, 21 Apr 2017 05:38:32 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 1047165D0A Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=kraxel@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com 1047165D0A Message-ID: <1492767508.25675.23.camel@redhat.com> Subject: Re: [PATCH] drm: fourcc byteorder: brings header file comments in line with reality. From: Gerd Hoffmann To: Pekka Paalanen Cc: dri-devel@lists.freedesktop.org, Ville =?ISO-8859-1?Q?Syrj=E4l=E4?= , Daniel Vetter , Ilia Mirkin , Michel =?ISO-8859-1?Q?D=E4nzer?= , Alex Deucher , amd-gfx@lists.freedesktop.org, Jani Nikula , Sean Paul , David Airlie , open list Date: Fri, 21 Apr 2017 11:38:28 +0200 In-Reply-To: <20170421110605.1a255f44@eldfell> References: <20170421075825.6307-1-kraxel@redhat.com> <20170421110605.1a255f44@eldfell> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Mime-Version: 1.0 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Fri, 21 Apr 2017 09:38:31 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, > > Leaving the yuv formats as-is. I have no idea if and how those are used > > on bigendian machines. > just an idea - since we are not sure how the remaining formats are being > used, should those be marked somehow uncertain whether they are little > or native endian? ATM the yuv don't have any byte order annotations, and I simply left them that way. So it is as clear/unclear as before. IIRC someone mentioned that for the yuv fourccs there actually is some standard about the exact ordering. Anyone has a good reference? We could stick a link to it into a comment. cheers, Gerd