From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gerd Hoffmann Subject: Re: [RFC PATCH 0/3] staging: remove fbdev drivers Date: Tue, 13 Dec 2016 08:36:09 +0100 Message-ID: <1481614569.27088.67.camel@redhat.com> References: <1479888193-23908-1-git-send-email-tomi.valkeinen@ti.com> <1481158879.26959.41.camel@kernel.crashing.org> <035da7a8-5a3f-1ef6-f686-479773e78084@ti.com> <1481232210.26959.47.camel@kernel.crashing.org> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Return-path: In-Reply-To: <1481232210.26959.47.camel@kernel.crashing.org> Sender: linux-kernel-owner@vger.kernel.org To: Benjamin Herrenschmidt Cc: Tomi Valkeinen , linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, Greg Kroah-Hartman , Thomas Petazzoni , Noralf =?ISO-8859-1?Q?Tr=F8nnes?= , Sudip Mukherjee , Teddy Wang , Arnaud Patard , airlied@linux.ie, linux-kernel@vger.kernel.org List-Id: dri-devel@lists.freedesktop.org Hi, > Well, I had that argument with Dave Airlie which I CCed. The "dumb" ones like > bochsdrmfb, cirrusdrmfb, astdrmfb ... all use shadowing, meaning they use a > lot more memory and cannot do any 2D acceleration for fbcon. Well, at least for cirrusdrmfb using 2d accel is kida pointless as this only shifts the software bitblit from the kernel to qemu ... cheers, Gerd