From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933708AbcHDOVs (ORCPT ); Thu, 4 Aug 2016 10:21:48 -0400 Received: from mail-out.m-online.net ([212.18.0.9]:53613 "EHLO mail-out.m-online.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933629AbcHDOVq (ORCPT ); Thu, 4 Aug 2016 10:21:46 -0400 Date: Thu, 4 Aug 2016 16:15:25 +0200 From: Luc Verhaegen To: Noralf =?iso-8859-1?Q?Tr=F8nnes?= Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/2] drm: add SimpleDRM driver Message-ID: <20160804141525.GC4256@skynet.be> References: <1470319400-14625-1-git-send-email-noralf@tronnes.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1470319400-14625-1-git-send-email-noralf@tronnes.org> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 04, 2016 at 04:03:18PM +0200, Noralf Trønnes wrote: > > I have tested simpledrm on a Raspberry Pi B+ with U-boot setting up the > framebuffer and producing this node: > > framebuffer@1e887000 { > compatible = "simple-framebuffer"; > reg = <0x1e887000 0x36c600>; > format = "r5g6b5"; > width = <1824>; > height = <984>; > stride = <3648>; > status = "okay"; > }; > > I have only tested with fbcon and modetest (XR24,RG16). Please do not make the same mistake as simplefb in making this purely a rpifb. Know that you will need some power and clock management for properly free devices that do not depend on a binary only RTOS which does _everything_ behind our backs. Cfr this useless, endless and ridiculous discussion: http://lists.infradead.org/pipermail/linux-arm-kernel/2014-August/279071.html Luc Verhaegen.