Am 19.11.19 um 11:57 schrieb Benjamin Gaignard:
> Exported functions prototypes are missing in drm_fb_cma_helper.c
> Include drm_fb_cma_helper to fix that issue.
> 
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>

Acked-by: Thomas Zimmermann <tzimmermann@suse.de>

> ---
>  drivers/gpu/drm/drm_fb_cma_helper.c | 1 +
>  include/drm/drm_fb_cma_helper.h     | 2 ++
>  2 files changed, 3 insertions(+)
> 
> diff --git a/drivers/gpu/drm/drm_fb_cma_helper.c b/drivers/gpu/drm/drm_fb_cma_helper.c
> index c0b0f603af63..9801c0333eca 100644
> --- a/drivers/gpu/drm/drm_fb_cma_helper.c
> +++ b/drivers/gpu/drm/drm_fb_cma_helper.c
> @@ -9,6 +9,7 @@
>   *  Copyright (C) 2012 Red Hat
>   */
>  
> +#include <drm/drm_fb_cma_helper.h>
>  #include <drm/drm_fourcc.h>
>  #include <drm/drm_framebuffer.h>
>  #include <drm/drm_gem_cma_helper.h>
> diff --git a/include/drm/drm_fb_cma_helper.h b/include/drm/drm_fb_cma_helper.h
> index 4becb09975a4..795aea1d0a25 100644
> --- a/include/drm/drm_fb_cma_helper.h
> +++ b/include/drm/drm_fb_cma_helper.h
> @@ -2,6 +2,8 @@
>  #ifndef __DRM_FB_CMA_HELPER_H__
>  #define __DRM_FB_CMA_HELPER_H__
>  
> +#include <linux/types.h>
> +
>  struct drm_framebuffer;
>  struct drm_plane_state;
>  
> 

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