Re: [PATCH v4 5/5] drm/blend: Use new atomic iterator macros.

[Laurent Pinchart <laurent.pinchart@ideasonboard.com>]

Hi Maarten,

Thank you for the patch.

On Thursday 16 Feb 2017 15:47:10 Maarten Lankhorst wrote:
> There are new iterator macros that annotate whether the new or old
> state should be used. This is better than using a state that depends on
> whether it's called before or after swap. For clarity, also rename the
> variables from $obj_state to (old,new)_$obj_state as well.
> 
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

> ---
>  drivers/gpu/drm/drm_blend.c | 22 +++++++++++-----------
>  1 file changed, 11 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/gpu/drm/drm_blend.c b/drivers/gpu/drm/drm_blend.c
> index d7053bb67db6..a0d0d6843288 100644
> --- a/drivers/gpu/drm/drm_blend.c
> +++ b/drivers/gpu/drm/drm_blend.c
> @@ -377,26 +377,26 @@ int drm_atomic_normalize_zpos(struct drm_device *dev,
>  			      struct drm_atomic_state *state)
>  {
>  	struct drm_crtc *crtc;
> -	struct drm_crtc_state *crtc_state;
> +	struct drm_crtc_state *old_crtc_state, *new_crtc_state;
>  	struct drm_plane *plane;
> -	struct drm_plane_state *plane_state;
> +	struct drm_plane_state *old_plane_state, *new_plane_state;
>  	int i, ret = 0;
> 
> -	for_each_plane_in_state(state, plane, plane_state, i) {
> -		crtc = plane_state->crtc;
> +	for_each_oldnew_plane_in_state(state, plane, old_plane_state,
> new_plane_state, i) { +		crtc = new_plane_state->crtc;
>  		if (!crtc)
>  			continue;
> -		if (plane->state->zpos != plane_state->zpos) {
> -			crtc_state = drm_atomic_get_new_crtc_state(state, 
crtc);
> -			crtc_state->zpos_changed = true;
> +		if (old_plane_state->zpos != new_plane_state->zpos) {
> +			new_crtc_state = drm_atomic_get_new_crtc_state(state, 
crtc);
> +			new_crtc_state->zpos_changed = true;
>  		}
>  	}
> 
> -	for_each_crtc_in_state(state, crtc, crtc_state, i) {
> -		if (crtc_state->plane_mask != crtc->state->plane_mask ||
> -		    crtc_state->zpos_changed) {
> +	for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, 
new_crtc_state,
> i) { +		if (old_crtc_state->plane_mask != new_crtc_state-
>plane_mask || +		
>    new_crtc_state->zpos_changed) {
>  			ret = drm_atomic_helper_crtc_normalize_zpos(crtc,
> -								    
crtc_state);
> +								    
new_crtc_state);
>  			if (ret)
>  				return ret;
>  		}

-- 
Regards,

Laurent Pinchart

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