DRM_TEGRA not buildable as a module

[Josh Boyer]

On Mon, Nov 18, 2013 at 4:10 AM, Thierry Reding <treding at nvidia.com> wrote:
> On Sat, Nov 16, 2013 at 03:25:09PM +0100, Josh Boyer wrote:
>> Hi All,
>>
>> The commit below seems to have made the Tegra DRM driver a bool option
>> instead of tristate:
>>
>> commit dee8268f8fb218c9e9b604a40f7dbdd395e910f9
>> Author: Thierry Reding <treding at nvidia.com>
>> Date:   Wed Oct 9 10:32:49 2013 +0200
>>
>>     drm/tegra: Move driver to DRM tree
>>
>>     In order to make subsystem-wide changes easier, move the Tegra DRM
>>     driver back into the DRM tree.
>>
>>     Signed-off-by: Thierry Reding <treding at nvidia.com>
>>
>> That means you can't build the driver as a module.  Was this intended?
>>  The changelog doesn't mention anything about that and the existing
>> help text on the option seems to imply it should be buildable as a
>> module.
>
> This was intended yes. And it wasn't really a change at all, since prior
> to the commit you mention above the DRM driver was always built into the
> host1x driver. That's why I didn't think it necessary to mention it in
> the commit message.
>
> I have some patches queued for 3.14 to enable the driver to be built as
> a module. There are some dependencies such as symbols that need to be
> exported so that the modules can be linked, so it'll require some amount
> of coordination to make that work out within one release cycle, but I'm
> hopeful that we can do it.

OK.  Thanks for the detailed reply.

josh