[PATCH v2 11/19] drm/sun4i: framebuffer: Add a custom atomic_check

[Chen-Yu Tsai]

On Mon, Jan 22, 2018 at 6:35 PM, Maxime Ripard
<maxime.ripard at free-electrons.com> wrote:
> In order to support normalized zpos, we need to call
> drm_atomic_normalize_zpos in our driver's drm_mode_config_funcs'
> atomic_check.
>
> Let's duplicate the definition of drm_atomic_helper_check for now.
>
> Signed-off-by: Maxime Ripard <maxime.ripard at free-electrons.com>

Acked-by: Chen-Yu Tsai <wens at csie.org>