From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin Herrenschmidt Date: Thu, 08 Dec 2016 21:43:13 +0000 Subject: Re: [RFC PATCH 0/3] staging: remove fbdev drivers Message-Id: <1481233393.26959.53.camel@kernel.crashing.org> List-Id: 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> In-Reply-To: <1481232210.26959.47.camel@kernel.crashing.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: 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 Cc: linux-kernel@vger.kernel.org On Fri, 2016-12-09 at 08:23 +1100, Benjamin Herrenschmidt wrote: > > From memory, David claimed you cannot directly work on the fb with a "proper" > > DRM driver. Maybe I misunderstood but then the DRM shines by its complete > absence of useful documentation That sentence should have been in the past, it does look like documentation has been landing in the tree this year ! yay ! I'll go off read it. > mixed with bazillion layers of APIs and helpers > so it's pretty hard to get ones head around it without wasting very large amounts > of time which I don't have at the moment. Ben. From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin Herrenschmidt Subject: Re: [RFC PATCH 0/3] staging: remove fbdev drivers Date: Fri, 09 Dec 2016 08:43:13 +1100 Message-ID: <1481233393.26959.53.camel@kernel.crashing.org> 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: base64 Return-path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) by gabe.freedesktop.org (Postfix) with ESMTPS id 86BD26E1BE for ; Thu, 8 Dec 2016 21:43:28 +0000 (UTC) In-Reply-To: <1481232210.26959.47.camel@kernel.crashing.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: 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 Cc: linux-kernel@vger.kernel.org List-Id: dri-devel@lists.freedesktop.org T24gRnJpLCAyMDE2LTEyLTA5IGF0IDA4OjIzICsxMTAwLCBCZW5qYW1pbiBIZXJyZW5zY2htaWR0 IHdyb3RlOgo+ID4gRnJvbSBtZW1vcnksIERhdmlkIGNsYWltZWQgeW91IGNhbm5vdCBkaXJlY3Rs eSB3b3JrIG9uIHRoZSBmYiB3aXRoIGEgInByb3BlciIKPiAKPiBEUk0gZHJpdmVyLiBNYXliZSBJ IG1pc3VuZGVyc3Rvb2QgYnV0IHRoZW4gdGhlIERSTSBzaGluZXMgYnkgaXRzIGNvbXBsZXRlCj4g YWJzZW5jZSBvZiB1c2VmdWwgZG9jdW1lbnRhdGlvbiAKClRoYXQgc2VudGVuY2Ugc2hvdWxkIGhh dmUgYmVlbiBpbiB0aGUgcGFzdCwgaXQgZG9lcyBsb29rIGxpa2UKZG9jdW1lbnRhdGlvbiBoYXMg YmVlbiBsYW5kaW5nIGluIHRoZSB0cmVlIHRoaXMgeWVhciAhIHlheSAhIEknbGwgZ28Kb2ZmIHJl YWQgaXQuCgo+IG1peGVkIHdpdGggYmF6aWxsaW9uIGxheWVycyBvZiBBUElzIGFuZCBoZWxwZXJz Cj4gc28gaXQncyBwcmV0dHkgaGFyZCB0byBnZXQgb25lcyBoZWFkIGFyb3VuZCBpdCB3aXRob3V0 IHdhc3RpbmcgdmVyeSBsYXJnZSBhbW91bnRzCj4gb2YgdGltZSB3aGljaCBJIGRvbid0IGhhdmUg YXQgdGhlIG1vbWVudC4KCkJlbi4KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fCmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVk ZXNrdG9wLm9yZwpodHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZv L2RyaS1kZXZlbAo= From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753773AbcLHVom (ORCPT ); Thu, 8 Dec 2016 16:44:42 -0500 Received: from gate.crashing.org ([63.228.1.57]:48419 "EHLO gate.crashing.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753537AbcLHVol (ORCPT ); Thu, 8 Dec 2016 16:44:41 -0500 Message-ID: <1481233393.26959.53.camel@kernel.crashing.org> Subject: Re: [RFC PATCH 0/3] staging: remove fbdev drivers From: Benjamin Herrenschmidt To: 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 Cc: linux-kernel@vger.kernel.org Date: Fri, 09 Dec 2016 08:43:13 +1100 In-Reply-To: <1481232210.26959.47.camel@kernel.crashing.org> 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> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.22.2 (3.22.2-1.fc25) Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2016-12-09 at 08:23 +1100, Benjamin Herrenschmidt wrote: > > From memory, David claimed you cannot directly work on the fb with a "proper" > > DRM driver. Maybe I misunderstood but then the DRM shines by its complete > absence of useful documentation That sentence should have been in the past, it does look like documentation has been landing in the tree this year ! yay ! I'll go off read it. > mixed with bazillion layers of APIs and helpers > so it's pretty hard to get ones head around it without wasting very large amounts > of time which I don't have at the moment. Ben.