On Wed, Oct 3, 2018 at 5:59 AM Giulio Benetti
<giulio.benetti@xxxxxxxxxxxxxxxx> wrote:
>
> If using tcon with VGA, tcon->panel will be null(0), this will cause
> segmentation fault when trying to dereference tcon->panel->connector.
>
> Add tcon->panel null check before calling
> sun4i_tcon0_mode_set_dithering().
>
> Signed-off-by: Giulio Benetti <giulio.benetti@xxxxxxxxxxxxxxxx>
Fixes: f11adcecbd5f ("drm/sun4i: tcon: Add dithering support for
RGB565/RGB666 LCD panels")
Reviewed-by: Chen-Yu Tsai <wens@xxxxxxxx>
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