[PATCH v3 04/14] drm/sun4i: tcon: Add support for demuxing TCON output on A31

[Maxime Ripard]

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 at 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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