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    SubjectRe: [PATCH v3 04/14] drm/sun4i: tcon: Add support for demuxing TCON output on A31
    On Fri, Sep 29, 2017 at 08:22:56AM +0000, Chen-Yu Tsai wrote:
    > On systems with 2 TCONs such as the A31, it is possible to demux the
    > output of the TCONs to one encoder.
    >
    > Add support for this for the A31.
    >
    > Signed-off-by: Chen-Yu Tsai <wens@csie.org>
    > ---
    > drivers/gpu/drm/sun4i/sun4i_tcon.c | 38 ++++++++++++++++++++++++++++++++++++++
    > 1 file changed, 38 insertions(+)
    >
    > diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c
    > index 7bf51abaee97..c949309d4285 100644
    > --- a/drivers/gpu/drm/sun4i/sun4i_tcon.c
    > +++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c
    > @@ -112,6 +112,21 @@ void sun4i_tcon_enable_vblank(struct sun4i_tcon *tcon, bool enable)
    > }
    > EXPORT_SYMBOL(sun4i_tcon_enable_vblank);
    >
    > +static struct sun4i_tcon *sun4i_get_first_tcon(struct drm_device *drm)

    Would that make sense to make it a bit more generic, and pass the id
    to look for as an argument?

    --
    Maxime Ripard, Free Electrons
    Embedded Linux and Kernel engineering
    http://free-electrons.com
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