linux-kernel - Re: [PATCH v2 1/2] drm: move i915_kick_out_vgacon to drm_fb

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Message-ID: <20190221155134.GU2665@phenom.ffwll.local>
Date:   Thu, 21 Feb 2019 16:51:34 +0100
From:   Daniel Vetter <daniel@...ll.ch>
To:     Gerd Hoffmann <kraxel@...hat.com>
Cc:     Noralf Trønnes <noralf@...nnes.org>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        "open list:INTEL DRM DRIVERS excluding Poulsbo, Moorestow..." 
        <intel-gfx@...ts.freedesktop.org>,
        open list <linux-kernel@...r.kernel.org>,
        dri-devel@...ts.freedesktop.org, David Airlie <airlied@...ux.ie>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        Sean Paul <sean@...rly.run>
Subject: Re: [PATCH v2 1/2] drm: move i915_kick_out_vgacon to drm_fb_helper

On Thu, Feb 21, 2019 at 04:09:12PM +0100, Gerd Hoffmann wrote:
> > > +int drm_fb_helper_kick_out_vgacon(void);
> > > +
> > 
> > Don't you need a dummy version as well for this one, like how it's done
> > for the other functions, to cover the case when DRM_FBDEV_EMULATION is
> > not selected?
> 
> Good question.
> 
> I guess it makes sense to kick out vgacon even with CONFIG_FB=n.
> 
> But when integrating this into
> drm_fb_helper_remove_conflicting_pci_framebuffers() as suggested by
> Daniel this isn't going to fly ...

We need to put it into both versions of that function, or pull that
function out of the #ifdef.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch