[PATCH v3 2/9] drm/sun4i: tcon: Add TCON LCD support for R40

Maxime Ripard mripard at kernel.org
Thu Jan 2 10:54:24 UTC 2020


On Tue, Dec 31, 2019 at 06:35:21PM +0530, Jagan Teki wrote:
> TCON LCD0, LCD1 in allwinner R40, are used for managing
> LCD interfaces like RGB, LVDS and DSI.
>
> Like TCON TV0, TV1 these LCD0, LCD1 are also managed via
> tcon top.
>
> Add support for it, in tcon driver.
>
> Signed-off-by: Jagan Teki <jagan at amarulasolutions.com>
> ---
> Changes for v3:
> - none
>
>  drivers/gpu/drm/sun4i/sun4i_tcon.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c
> index fad72799b8df..69611d38c844 100644
> --- a/drivers/gpu/drm/sun4i/sun4i_tcon.c
> +++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c
> @@ -1470,6 +1470,13 @@ static const struct sun4i_tcon_quirks sun8i_a83t_tv_quirks = {
>  	.has_channel_1		= true,
>  };
>
> +static const struct sun4i_tcon_quirks sun8i_r40_lcd_quirks = {
> +	.supports_lvds		= true,
> +	.has_channel_0		= true,
> +	/* TODO Need to support TCON output muxing via GPIO pins */
> +	.set_mux		= sun8i_r40_tcon_tv_set_mux,

What is this muking about? And why is it a TODO?

Maxime
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