[PATCH v2 13/23] drm/zte: Stop consulting plane->fb

[Shawn Guo]

On Thu, Mar 22, 2018 at 07:40:03PM +0200, Ville Syrjala wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
> 
> We want to get rid of plane->fb on atomic drivers. Stop looking at it.

Would it be more precise to use "plane->crtc" in both subject and commit
log?  Other than that:

Acked-by: Shawn Guo <shawnguo at kernel.org>

> 
> v2: Use old_state->crtc (Maarten)
> 
> Cc: Shawn Guo <shawnguo at kernel.org>
> Cc: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
> ---
>  drivers/gpu/drm/zte/zx_plane.c | 2 +-
>  drivers/gpu/drm/zte/zx_vou.c   | 5 +++--
>  drivers/gpu/drm/zte/zx_vou.h   | 3 ++-
>  3 files changed, 6 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/zte/zx_plane.c b/drivers/gpu/drm/zte/zx_plane.c
> index 94545adac50d..d1931f5ea0b2 100644
> --- a/drivers/gpu/drm/zte/zx_plane.c
> +++ b/drivers/gpu/drm/zte/zx_plane.c
> @@ -268,7 +268,7 @@ static void zx_plane_atomic_disable(struct drm_plane *plane,
>  	struct zx_plane *zplane = to_zx_plane(plane);
>  	void __iomem *hbsc = zplane->hbsc;
>  
> -	zx_vou_layer_disable(plane);
> +	zx_vou_layer_disable(plane, old_state);
>  
>  	/* Disable HBSC block */
>  	zx_writel_mask(hbsc + HBSC_CTRL0, HBSC_CTRL_EN, 0);
> diff --git a/drivers/gpu/drm/zte/zx_vou.c b/drivers/gpu/drm/zte/zx_vou.c
> index 7491813131f3..442311d31110 100644
> --- a/drivers/gpu/drm/zte/zx_vou.c
> +++ b/drivers/gpu/drm/zte/zx_vou.c
> @@ -627,9 +627,10 @@ void zx_vou_layer_enable(struct drm_plane *plane)
>  	zx_writel_mask(vou->osd + OSD_CTRL0, bits->enable, bits->enable);
>  }
>  
> -void zx_vou_layer_disable(struct drm_plane *plane)
> +void zx_vou_layer_disable(struct drm_plane *plane,
> +			  struct drm_plane_state *old_state)
>  {
> -	struct zx_crtc *zcrtc = to_zx_crtc(plane->crtc);
> +	struct zx_crtc *zcrtc = to_zx_crtc(old_state->crtc);
>  	struct zx_vou_hw *vou = zcrtc->vou;
>  	struct zx_plane *zplane = to_zx_plane(plane);
>  	const struct vou_layer_bits *bits = zplane->bits;
> diff --git a/drivers/gpu/drm/zte/zx_vou.h b/drivers/gpu/drm/zte/zx_vou.h
> index 97d72bfce982..5b7f84fbb112 100644
> --- a/drivers/gpu/drm/zte/zx_vou.h
> +++ b/drivers/gpu/drm/zte/zx_vou.h
> @@ -62,6 +62,7 @@ void zx_vou_config_dividers(struct drm_crtc *crtc,
>  			    struct vou_div_config *configs, int num);
>  
>  void zx_vou_layer_enable(struct drm_plane *plane);
> -void zx_vou_layer_disable(struct drm_plane *plane);
> +void zx_vou_layer_disable(struct drm_plane *plane,
> +			  struct drm_plane_state *old_state);
>  
>  #endif /* __ZX_VOU_H__ */
> -- 
> 2.16.1
>