drm: sti: prepare sti_tvout to support auxiliary crtc
authorBenjamin Gaignard <benjamin.gaignard@linaro.org>
Thu, 4 Dec 2014 10:31:37 +0000 (11:31 +0100)
committerBenjamin Gaignard <benjamin.gaignard@linaro.org>
Thu, 11 Dec 2014 12:59:45 +0000 (13:59 +0100)
Change some functions prototype to prepare the introduction of
auxiliary crtc. It will also help to have a DVO encoder.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@linaro.org>

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