Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754776AbbFWN1E (ORCPT ); Tue, 23 Jun 2015 09:27:04 -0400 Received: from mail-wg0-f49.google.com ([74.125.82.49]:33116 "EHLO mail-wg0-f49.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752421AbbFWN0z (ORCPT ); Tue, 23 Jun 2015 09:26:55 -0400 Date: Tue, 23 Jun 2015 15:29:41 +0200 From: Daniel Vetter To: Fabio Coatti Cc: Daniel Vetter , Daniel Stone , David Airlie , dri-devel , kernel list Subject: Re: Linux 4.1 WARNING in drm_ioctl.c Message-ID: <20150623132941.GC25769@phenom.ffwll.local> Mail-Followup-To: Fabio Coatti , Daniel Stone , David Airlie , dri-devel , kernel list References: <34169093.qYXxFR1FLt@calvin> <20150623094847.GR25769@phenom.ffwll.local> <3759620.yiBZ6BaR05@calvin> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <3759620.yiBZ6BaR05@calvin> X-Operating-System: Linux phenom 4.0.0-rc3+ 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 Content-Length: 1758 Lines: 51 On Tue, Jun 23, 2015 at 12:46:09PM +0200, Fabio Coatti wrote: > In data martedì 23 giugno 2015 11:48:47, Daniel Vetter ha scritto: > > On Tue, Jun 23, 2015 at 08:27:13AM +0100, Daniel Stone wrote: > > > Hi, > > > > > > On 23 June 2015 at 07:39, Daniel Vetter wrote: > > > > Which drm driver are you using? I didn't spot anything in your module > > > > list > > > > but might have missed it. Booting with drm.debug=0xe and grabbing dmesg > > > > will tell us for sure. > > > > > > That'd be vgem. > > > > If so then the below diff should help. > > -Daniel > > diff --git a/drivers/gpu/drm/vgem/vgem_drv.c > > b/drivers/gpu/drm/vgem/vgem_drv.c index 7a207ca547be..b491fb32cddb 100644 > > --- a/drivers/gpu/drm/vgem/vgem_drv.c > > +++ b/drivers/gpu/drm/vgem/vgem_drv.c > > @@ -328,6 +328,8 @@ static int __init vgem_init(void) > > goto out; > > } > > > > + drm_dev_set_unique(drm, "vgem"); > > + > > ret = drm_dev_register(vgem_device, 0); > > > > if (ret) > > > Not really sure about "drm" in drm_dev_set_unique(): > > CHK include/generated/compile.h > GZIP kernel/config_data.gz > CHK kernel/config_data.h > CC drivers/gpu/drm/vgem/vgem_drv.o > drivers/gpu/drm/vgem/vgem_drv.c: In function ‘vgem_init’: > drivers/gpu/drm/vgem/vgem_drv.c:331:21: error: ‘drm’ undeclared (first use in > this function) s/drm/vgem_device/ ... copypaste fail without running gcc. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation http://blog.ffwll.ch -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/