[PATCH 09/16] drm/rockchip: Use for_each_oldnew_plane_in_state in vop_crtc_atomic_flush

[Daniel Vetter]

On Wed, Jul 12, 2017 at 10:13:37AM +0200, Maarten Lankhorst wrote:
> for_each_obj_in_state is about to be removed, so use the new atomic
> iterator macros.
> 
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> Cc: Mark Yao <mark.yao at rock-chips.com>
> Cc: Heiko Stuebner <heiko at sntech.de>
> Cc: linux-arm-kernel at lists.infradead.org
> Cc: linux-rockchip at lists.infradead.org
> ---
>  drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> index ee876a9631f0..f90088b1a247 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> @@ -1029,7 +1029,7 @@ static void vop_crtc_atomic_flush(struct drm_crtc *crtc,
>  				  struct drm_crtc_state *old_crtc_state)
>  {
>  	struct drm_atomic_state *old_state = old_crtc_state->state;
> -	struct drm_plane_state *old_plane_state;
> +	struct drm_plane_state *old_plane_state, *new_plane_state;
>  	struct vop *vop = to_vop(crtc);
>  	struct drm_plane *plane;
>  	int i;
> @@ -1060,11 +1060,12 @@ static void vop_crtc_atomic_flush(struct drm_crtc *crtc,
>  	}
>  	spin_unlock_irq(&crtc->dev->event_lock);
>  
> -	for_each_plane_in_state(old_state, plane, old_plane_state, i) {
> +	for_each_oldnew_plane_in_state(old_state, plane, old_plane_state,
> +				       new_plane_state, i) {
>  		if (!old_plane_state->fb)
>  			continue;
>  
> -		if (old_plane_state->fb == plane->state->fb)
> +		if (old_plane_state->fb == new_plane_state->fb)
>  			continue;

This entire machinery here seems to be the perfect candidate for Boris'
wait_for_flip_done work.

Patch itself looks good.

Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch>
>  
>  		drm_framebuffer_reference(old_plane_state->fb);
> -- 
> 2.11.0
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch