Re: [PATCH 04/10] drm/malidp: plane_state->fb iff plane_state->crtc

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On Fri, Dec 13, 2019 at 06:26:06PM +0100, Daniel Vetter wrote:
> Checking both is one too much, so wrap a WARN_ON around it to stope
> the copypasta.
> 
> Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
> Cc: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
> Cc: Shawn Guo <shawnguo@xxxxxxxxxx>
> Cc: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> Cc: Pengutronix Kernel Team <kernel@xxxxxxxxxxxxxx>
> Cc: Fabio Estevam <festevam@xxxxxxxxx>
> Cc: NXP Linux Team <linux-imx@xxxxxxx>
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx

Oops, subect should be drm/imx: ofc here.
-Daniel

> ---
>  drivers/gpu/drm/imx/ipuv3-plane.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c
> index 28826c0aa24a..6776ebb3246d 100644
> --- a/drivers/gpu/drm/imx/ipuv3-plane.c
> +++ b/drivers/gpu/drm/imx/ipuv3-plane.c
> @@ -359,7 +359,7 @@ static int ipu_plane_atomic_check(struct drm_plane *plane,
>  	if (!fb)
>  		return 0;
>  
> -	if (!state->crtc)
> +	if (WARN_ON(!state->crtc))
>  		return -EINVAL;
>  
>  	crtc_state =
> -- 
> 2.24.0
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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