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From: Stephen Warren <swarren@wwwdotorg.org>
To: David Herrmann <dh.herrmann@gmail.com>
Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
	Dave Airlie <airlied@gmail.com>,
	linux-fbdev@vger.kernel.org, Stephen Warren <swarren@nvidia.com>,
	Olof Johansson <olof@lixom.net>
Subject: Re: [RFC 4/6] drm: simpledrm: add fbdev fallback support
Date: Wed, 26 Jun 2013 20:59:28 +0000	[thread overview]
Message-ID: <51CB5630.6060000@wwwdotorg.org> (raw)
In-Reply-To: <1372112849-670-5-git-send-email-dh.herrmann@gmail.com>

On 06/24/2013 04:27 PM, David Herrmann wrote:
> Create a simple fbdev device during SimpleDRM setup so legacy user-space
> and fbcon can use it.
> 
> fbdev deletion is quite buggy. A unregister_framebuffer() call followed by
> a printk() causes NULL-derefs in hide_cursor() and other places in the VT
> layer. Hence, we leak the fbdev device currently to make the VT layer
> happy. This needs to be fixed soon! Otherwise, we need a "depends !VT"
> line for SimpleDRM.

> diff --git a/drivers/gpu/drm/simpledrm/Makefile b/drivers/gpu/drm/simpledrm/Makefile

>  simpledrm-y := simpledrm_drv.o simpledrm_main.o simpledrm_mem.o
>  
> +ifdef CONFIG_DRM_SIMPLEDRM_FBDEV
> +	simpledrm-y += simpledrm_fbdev.o
> +endif

I think that's:

+ simpledrm-$(CONFIG_DRM_SIMPLEDRM_FBDEV) += simpledrm_fbdev.o


  reply	other threads:[~2013-06-26 20:59 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-24 22:27 [RFC 0/6] SimpleDRM Driver (was: dvbe driver) David Herrmann
2013-06-24 22:27 ` [RFC 1/6] fbdev: simplefb: add init through platform_data David Herrmann
2013-06-26 20:39   ` Stephen Warren
2013-06-28 10:03     ` David Herrmann
2013-06-24 22:27 ` [RFC 2/6] x86: provide platform-devices for boot-framebuffers David Herrmann
2013-06-26 20:49   ` Stephen Warren
2013-06-28 10:11     ` David Herrmann
2013-07-01 15:48       ` Stephen Warren
2013-06-24 22:27 ` [RFC 3/6] drm: add SimpleDRM driver David Herrmann
2013-06-25  1:05   ` Andy Lutomirski
2013-06-28  9:59     ` David Herrmann
2013-06-26 20:58   ` Stephen Warren
2013-06-28 10:01     ` David Herrmann
2013-06-24 22:27 ` [RFC 4/6] drm: simpledrm: add fbdev fallback support David Herrmann
2013-06-26 20:59   ` Stephen Warren [this message]
2013-06-28 10:14     ` David Herrmann
2013-06-24 22:27 ` [RFC 5/6] drm: add helpers to kick out firmware drivers David Herrmann
2013-06-24 22:27 ` [RFC 6/6] drm: nouveau: kick out firmware drivers during probe David Herrmann
2013-06-26 21:30 ` [RFC 0/6] SimpleDRM Driver (was: dvbe driver) Stephen Warren
2013-06-28 10:43   ` David Herrmann

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