[PATCH] drm/atomic-helper: Calculate normalized zpos values

[Ville Syrjälä]

On Mon, Nov 13, 2017 at 02:48:20PM +0100, Thierry Reding wrote:
> From: Thierry Reding <treding at nvidia.com>
> 
> kerneldoc for drm_plane_create_zpos_property() says that the DRM core
> will automatically calculate the normalized zpos values, but it won't
> currently do so. Modify the atomic helpers to behave as documented.

NAK

See commit  38d868e41c4b ("drm: Don't force all planes to be added to
the state due to zpos")

> 
> Signed-off-by: Thierry Reding <treding at nvidia.com>
> ---
>  drivers/gpu/drm/drm_atomic_helper.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
> index 71d712f1b56a..6c3ceb3a5dc0 100644
> --- a/drivers/gpu/drm/drm_atomic_helper.c
> +++ b/drivers/gpu/drm/drm_atomic_helper.c
> @@ -791,6 +791,10 @@ int drm_atomic_helper_check(struct drm_device *dev,
>  	if (ret)
>  		return ret;
>  
> +	ret = drm_atomic_normalize_zpos(dev, state);
> +	if (ret)
> +		return ret;
> +
>  	ret = drm_atomic_helper_check_planes(dev, state);
>  	if (ret)
>  		return ret;
> -- 
> 2.14.1
> 
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-- 
Ville Syrjälä
Intel OTC