Re: [PATCH] drm/i2c: tda998x: don't register the connector

From: Daniel Vetter
Date: Sun Sep 25 2016 - 16:34:58 EST


On Fri, Sep 23, 2016 at 03:05:03PM +0100, Russell King - ARM Linux wrote:
> On Fri, Sep 23, 2016 at 03:13:15PM +0200, Daniel Vetter wrote:
> > Hm, maybe we should simply not call ->lastclose for kms drivers. That is
> > kinda only a hack for ums/dri1 drivers.
>
> Are you sure about that - isn't it needed so that the fbdev mode gets
> restored when the last DRM user exits, so that the VT consoles becomes
> functional again?
>
> I ended up needing a call to drm_fb_helper_restore_fbdev_mode_unlocked()
> in Armada's ->lastclose to ensure that VT consoles worked after Xorg was
> shutdown.

I meant not call it on driver unload. When closing the last drm fd we
indeed need it to restore the fbdev vt. That use-case definitely needs to
stay for kms drivers.
-Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch