[PATCH RFC 6/6] drm/vkms: Extract vkms_composer header

["José Expósito" <jose.exposito89@gmail.com>]

> The vkms composer functions are defined in a different .c, so make the
> same thing for the function declaration in the headers and create
> vkms_composer.h.
> 
> Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com>

Reviewed-by: José Expósito <jose.exposito89@gmail.com>

> ---
>  drivers/gpu/drm/vkms/vkms_composer.c  |  2 ++
>  drivers/gpu/drm/vkms/vkms_composer.h  | 18 ++++++++++++++++++
>  drivers/gpu/drm/vkms/vkms_crtc.c      |  1 +
>  drivers/gpu/drm/vkms/vkms_drv.h       | 11 -----------
>  drivers/gpu/drm/vkms/vkms_writeback.c |  1 +
>  5 files changed, 22 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/gpu/drm/vkms/vkms_composer.c b/drivers/gpu/drm/vkms/vkms_composer.c
> index 139d249454c4..15ef07ed304e 100644
> --- a/drivers/gpu/drm/vkms/vkms_composer.c
> +++ b/drivers/gpu/drm/vkms/vkms_composer.c
> @@ -10,7 +10,9 @@
>  #include <drm/drm_gem_framebuffer_helper.h>
>  #include <drm/drm_vblank.h>
>  #include <linux/minmax.h>
> +#include <drm/drm_print.h>
>  
> +#include "vkms_composer.h"
>  #include "vkms_crtc.h"
>  #include "vkms_writeback.h"
>  
> diff --git a/drivers/gpu/drm/vkms/vkms_composer.h b/drivers/gpu/drm/vkms/vkms_composer.h
> new file mode 100644
> index 000000000000..91b33af1e013
> --- /dev/null
> +++ b/drivers/gpu/drm/vkms/vkms_composer.h
> @@ -0,0 +1,18 @@
> +/* SPDX-License-Identifier: GPL-2.0+ */
> +
> +#ifndef _VKMS_COMPOSER_H
> +#define _VKMS_COMPOSER_H

#ifndef _VKMS_COMPOSER_H_
#define _VKMS_COMPOSER_H_

> +#include "vkms_drv.h"
> +#include "vkms_crtc.h"
> +
> +void vkms_composer_worker(struct work_struct *work);
> +void vkms_set_composer(struct vkms_output *out, bool enabled);
> +
> +/* CRC Support */
> +const char *const *vkms_get_crc_sources(struct drm_crtc *crtc, size_t *count);
> +int vkms_set_crc_source(struct drm_crtc *crtc, const char *src_name);
> +int vkms_verify_crc_source(struct drm_crtc *crtc, const char *source_name,
> +			   size_t *values_cnt);
> +
> +#endif //_VKMS_COMPOSER_H

#endif /* _VKMS_COMPOSER_H_ */

> diff --git a/drivers/gpu/drm/vkms/vkms_crtc.c b/drivers/gpu/drm/vkms/vkms_crtc.c
> index cb6e49a86745..6fae43932b60 100644
> --- a/drivers/gpu/drm/vkms/vkms_crtc.c
> +++ b/drivers/gpu/drm/vkms/vkms_crtc.c
> @@ -9,6 +9,7 @@
>  #include <drm/drm_print.h>
>  
>  #include "vkms_crtc.h"
> +#include "vkms_composer.h"
>  #include "vkms_plane.h"

+#include "vkms_composer.h"
 #include "vkms_crtc.h"
 #include "vkms_plane.h"

>  static enum hrtimer_restart vkms_vblank_simulate(struct hrtimer *timer)
> diff --git a/drivers/gpu/drm/vkms/vkms_drv.h b/drivers/gpu/drm/vkms/vkms_drv.h
> index 943ad55e0172..f74a5c2045f9 100644
> --- a/drivers/gpu/drm/vkms/vkms_drv.h
> +++ b/drivers/gpu/drm/vkms/vkms_drv.h
> @@ -106,15 +106,4 @@ struct vkms_device {
>  
>  int vkms_output_init(struct vkms_device *vkmsdev, int possible_crtc_index);
>  
> -/* CRC Support */
> -const char *const *vkms_get_crc_sources(struct drm_crtc *crtc,
> -					size_t *count);
> -int vkms_set_crc_source(struct drm_crtc *crtc, const char *src_name);
> -int vkms_verify_crc_source(struct drm_crtc *crtc, const char *source_name,
> -			   size_t *values_cnt);
> -
> -/* Composer Support */
> -void vkms_composer_worker(struct work_struct *work);
> -void vkms_set_composer(struct vkms_output *out, bool enabled);
> -
>  #endif /* _VKMS_DRV_H_ */
> diff --git a/drivers/gpu/drm/vkms/vkms_writeback.c b/drivers/gpu/drm/vkms/vkms_writeback.c
> index 48f3f7f2e2a4..5e75880a5845 100644
> --- a/drivers/gpu/drm/vkms/vkms_writeback.c
> +++ b/drivers/gpu/drm/vkms/vkms_writeback.c
> @@ -15,6 +15,7 @@
>  #include "vkms_writeback.h"
>  #include "vkms_crtc.h"
>  #include "vkms_formats.h"
> +#include "vkms_composer.h"

 #include "vkms_crtc.h"
 +#include "vkms_composer.h"
 #include "vkms_formats.h"

>  static const u32 vkms_wb_formats[] = {
>  	DRM_FORMAT_ARGB8888,
>