From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758134AbdDSBCG (ORCPT ); Tue, 18 Apr 2017 21:02:06 -0400 Received: from mail.netline.ch ([148.251.143.178]:60775 "EHLO netline-mail3.netline.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752309AbdDSBCD (ORCPT ); Tue, 18 Apr 2017 21:02:03 -0400 Subject: Re: [RfC PATCH] drm: fourcc byteorder: brings header file comments in line with reality. To: Gerd Hoffmann Cc: Daniel Vetter , "dri-devel@lists.freedesktop.org" , amd-gfx@lists.freedesktop.org, open list References: <20170410101202.19229-1-kraxel@redhat.com> <20170410161214.305f5daf@eldfell> <1491833847.30990.77.camel@redhat.com> <20170410180941.43922e25@eldfell> <20170411103101.0497fe08@eldfell> <1492510440.27392.27.camel@redhat.com> From: =?UTF-8?Q?Michel_D=c3=a4nzer?= Message-ID: <4230c093-6a8a-76d6-dce8-f9b2300fa70f@daenzer.net> Date: Wed, 19 Apr 2017 10:01:47 +0900 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 MIME-Version: 1.0 In-Reply-To: <1492510440.27392.27.camel@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 18/04/17 07:14 PM, Gerd Hoffmann wrote: > Hi, > >>> Quite true that this proves nothing. However one should note that >>> fbcon -> fbdev works, >> >> BTW, this supports Gerd's patch, since the KMS fbdev emulation code uses >> e.g. DRM_FORMAT_XRGB8888 for depth/bpp 24/32, and the fbdev API uses >> native endian packed colour values. > > Same is true for DRM_IOCTL_MODE_ADDFB, with depth/bpp 24/32 you'll get > DRM_FORMAT_XRGB8888 (only DRM_IOCTL_MODE_ADDFB2 allows userspace specify > fourcc formats directly). Right, and since all major Xorg drivers use DRM_IOCTL_MODE_ADDFB, they're effectively using DRM_FORMAT_XRGB8888 as native endianness as well. -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Mesa and X developer From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?Q?Michel_D=c3=a4nzer?= Subject: Re: [RfC PATCH] drm: fourcc byteorder: brings header file comments in line with reality. Date: Wed, 19 Apr 2017 10:01:47 +0900 Message-ID: <4230c093-6a8a-76d6-dce8-f9b2300fa70f@daenzer.net> References: <20170410101202.19229-1-kraxel@redhat.com> <20170410161214.305f5daf@eldfell> <1491833847.30990.77.camel@redhat.com> <20170410180941.43922e25@eldfell> <20170411103101.0497fe08@eldfell> <1492510440.27392.27.camel@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1492510440.27392.27.camel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "amd-gfx" To: Gerd Hoffmann Cc: Daniel Vetter , amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, "dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org" , open list List-Id: dri-devel@lists.freedesktop.org T24gMTgvMDQvMTcgMDc6MTQgUE0sIEdlcmQgSG9mZm1hbm4gd3JvdGU6Cj4gICBIaSwKPiAKPj4+ IFF1aXRlIHRydWUgdGhhdCB0aGlzIHByb3ZlcyBub3RoaW5nLiBIb3dldmVyIG9uZSBzaG91bGQg bm90ZSB0aGF0Cj4+PiBmYmNvbiAtPiBmYmRldiB3b3JrcywKPj4KPj4gQlRXLCB0aGlzIHN1cHBv cnRzIEdlcmQncyBwYXRjaCwgc2luY2UgdGhlIEtNUyBmYmRldiBlbXVsYXRpb24gY29kZSB1c2Vz Cj4+IGUuZy4gRFJNX0ZPUk1BVF9YUkdCODg4OCBmb3IgZGVwdGgvYnBwIDI0LzMyLCBhbmQgdGhl IGZiZGV2IEFQSSB1c2VzCj4+IG5hdGl2ZSBlbmRpYW4gcGFja2VkIGNvbG91ciB2YWx1ZXMuCj4g Cj4gU2FtZSBpcyB0cnVlIGZvciBEUk1fSU9DVExfTU9ERV9BRERGQiwgd2l0aCBkZXB0aC9icHAg MjQvMzIgeW91J2xsIGdldAo+IERSTV9GT1JNQVRfWFJHQjg4ODggKG9ubHkgRFJNX0lPQ1RMX01P REVfQURERkIyIGFsbG93cyB1c2Vyc3BhY2Ugc3BlY2lmeQo+IGZvdXJjYyBmb3JtYXRzIGRpcmVj dGx5KS4KClJpZ2h0LCBhbmQgc2luY2UgYWxsIG1ham9yIFhvcmcgZHJpdmVycyB1c2UgRFJNX0lP Q1RMX01PREVfQURERkIsCnRoZXkncmUgZWZmZWN0aXZlbHkgdXNpbmcgRFJNX0ZPUk1BVF9YUkdC ODg4OCBhcyBuYXRpdmUgZW5kaWFubmVzcyBhcyB3ZWxsLgoKCi0tIApFYXJ0aGxpbmcgTWljaGVs IETDpG56ZXIgICAgICAgICAgICAgICB8ICAgICAgICAgICAgICAgaHR0cDovL3d3dy5hbWQuY29t CkxpYnJlIHNvZnR3YXJlIGVudGh1c2lhc3QgICAgICAgICAgICAgfCAgICAgICAgICAgICBNZXNh IGFuZCBYIGRldmVsb3BlcgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fXwphbWQtZ2Z4IG1haWxpbmcgbGlzdAphbWQtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9y ZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2FtZC1nZngK