[PATCH V2 4/8] include: video: Reserve video using blob

[Tom Rini]

On Fri, Jun 09, 2023 at 05:21:18PM +0530, Nikhil M Jain wrote:

> Add method to reserve video framebuffer information using blob,
> recieved from previous stage.
> 
> Signed-off-by: Nikhil M Jain <n-jain1 at ti.com>
> ---
> V2:
> - Remove #if CONFIG_IS_ENABLED(VIDEO) in video_reserve_from_blob.
> 
>  drivers/video/video-uclass.c | 11 +++++++++++
>  include/video.h              |  9 +++++++++
>  2 files changed, 20 insertions(+)
> 
> diff --git a/drivers/video/video-uclass.c b/drivers/video/video-uclass.c
> index 8396bdfb11..68ce681bb9 100644
> --- a/drivers/video/video-uclass.c
> +++ b/drivers/video/video-uclass.c
> @@ -142,6 +142,17 @@ int video_reserve(ulong *addrp)
>  	return 0;
>  }
>  
> +int video_reserve_from_bloblist(struct video_handoff *ho)
> +{
> +	gd->video_bottom = ho->fb;
> +	gd->fb_base = ho->fb;
> +	gd->video_top = ho->fb + ho->size;
> +	debug("Reserving %luk for video using blob at: %08x\n",
> +	      ((unsigned long)ho->size) >> 10, (u32)ho->fb);
> +
> +	return 0;
> +}
> +
>  int video_fill(struct udevice *dev, u32 colour)
>  {
>  	struct video_priv *priv = dev_get_uclass_priv(dev);
> diff --git a/include/video.h b/include/video.h
> index 18ed159b8d..5f3010d641 100644
> --- a/include/video.h
> +++ b/include/video.h
> @@ -389,4 +389,13 @@ int bmp_display(ulong addr, int x, int y);
>   */
>  int bmp_info(ulong addr);
>  
> +/*
> + * video_reserve_from_bloblist()- Reserve frame-buffer memory for video devices
> + * using blobs.
> + *
> + * @ho: video information passed from SPL
> + * Returns: 0 (always)
> + */
> +int video_reserve_from_bloblist(struct video_handoff *ho);
> +
>  #endif

Anatolij any thoughts?

-- 
Tom
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