linux-kernel - Re: [PATCH] drm/pl111: select DRM

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Date:   Tue, 30 May 2017 13:35:51 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Eric Anholt <eric@...olt.net>, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Tom Cooksey <tom.cooksey@....com>,
        "open list:DRM PANEL DRIVERS" <dri-devel@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/pl111: select DRM_PANEL

On Tue, May 30, 2017 at 11:22 AM, Arnd Bergmann <arnd@...db.de> wrote:

> When DRM_PANEL is disabled, we get a link error for pl111:
>
> drivers/gpu/built-in.o: In function `pl111_connector_destroy':
> pl111_connector.c:(.text+0x3487e6): undefined reference to `drm_panel_detach'
>
> For some reason this only appears in the latest linux-next
> although the driver appears to have used the symbol for a few
> weeks already. The solution however is simple enough, we just
> need to add a 'select' statement.
>
> Fixes: bed41005e617 ("drm/pl111: Initial drm/kms driver for pl111")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Tested-by: Linus Walleij <linus.walleij@...aro.org>

I had the same patch in my tree, just haven't had time to send
it out.

Yours,
Linus Walleij