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Date: Tue, 23 Jun 2015 11:48:47 +0200 From: Daniel Vetter <daniel@...ll.ch> To: Daniel Stone <daniel@...ishbar.org> Cc: Fabio Coatti <fabio.coatti@...il.com>, David Airlie <airlied@...ux.ie>, dri-devel <dri-devel@...ts.freedesktop.org>, kernel list <linux-kernel@...r.kernel.org> Subject: Re: Linux 4.1 WARNING in drm_ioctl.c On Tue, Jun 23, 2015 at 08:27:13AM +0100, Daniel Stone wrote: > Hi, > > On 23 June 2015 at 07:39, Daniel Vetter <daniel@...ll.ch> 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) -- 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@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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