linux-kernel - Re: [PATCH] drm/ssd130x: Use drm_atomic_get_new_plane

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Date:   Mon, 26 Sep 2022 09:24:26 +0200
From:   Thomas Zimmermann <tzimmermann@...e.de>
To:     Javier Martinez Canillas <javierm@...hat.com>,
        linux-kernel@...r.kernel.org
Cc:     David Airlie <airlied@...ux.ie>, dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH] drm/ssd130x: Use drm_atomic_get_new_plane_state()



Am 23.09.22 um 10:34 schrieb Javier Martinez Canillas:
> The struct drm_plane .state shouldn't be accessed directly but instead the
> drm_atomic_get_new_plane_state() helper function should be used.
> 
> This is based on a similar patch from Thomas Zimmermann for the simpledrm
> driver. No functional changes.
> 
> Suggested-by: Ville Syrjälä <ville.syrjala@...ux.intel.com>
> Signed-off-by: Javier Martinez Canillas <javierm@...hat.com>

Reviewed-by: Thomas Zimmermann <tzimmermann@...e.de>

> ---
> 
>   drivers/gpu/drm/solomon/ssd130x.c | 8 ++++----
>   1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/solomon/ssd130x.c b/drivers/gpu/drm/solomon/ssd130x.c
> index 7fae9480aa11..a537692100d1 100644
> --- a/drivers/gpu/drm/solomon/ssd130x.c
> +++ b/drivers/gpu/drm/solomon/ssd130x.c
> @@ -566,10 +566,10 @@ static int ssd130x_fb_blit_rect(struct drm_framebuffer *fb, const struct iosys_m
>   }
>   
>   static void ssd130x_primary_plane_helper_atomic_update(struct drm_plane *plane,
> -						       struct drm_atomic_state *old_state)
> +						       struct drm_atomic_state *state)
>   {
> -	struct drm_plane_state *plane_state = plane->state;
> -	struct drm_plane_state *old_plane_state = drm_atomic_get_old_plane_state(old_state, plane);
> +	struct drm_plane_state *plane_state = drm_atomic_get_new_plane_state(state, plane);
> +	struct drm_plane_state *old_plane_state = drm_atomic_get_old_plane_state(state, plane);
>   	struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(plane_state);
>   	struct drm_device *drm = plane->dev;
>   	struct drm_rect src_clip, dst_clip;
> @@ -591,7 +591,7 @@ static void ssd130x_primary_plane_helper_atomic_update(struct drm_plane *plane,
>   }
>   
>   static void ssd130x_primary_plane_helper_atomic_disable(struct drm_plane *plane,
> -							struct drm_atomic_state *old_state)
> +							struct drm_atomic_state *state)
>   {
>   	struct drm_device *drm = plane->dev;
>   	struct ssd130x_device *ssd130x = drm_to_ssd130x(drm);

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Ivo Totev

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