[PATCH v2 1/3] media: vsp1: add premultiplied alpha support

[Sergey Shtylyov]

Hello!

On 8/10/22 11:37 AM, Takanari Hayama wrote:

> To support DRM blend mode in R-Car DU driver, we must be able to pass
> a plane with the premultiplied alpha. Adding a new property to
> vsp1_du_atomic_config allows the R-Car DU driver to pass the
> premultiplied alpha plane.
> 
> Signed-off-by: Takanari Hayama <taki at igel.co.jp>
> ---
>  drivers/media/platform/renesas/vsp1/vsp1_drm.c | 2 ++
>  include/media/vsp1.h                           | 2 ++
>  2 files changed, 4 insertions(+)
> 
> diff --git a/drivers/media/platform/renesas/vsp1/vsp1_drm.c b/drivers/media/platform/renesas/vsp1/vsp1_drm.c
> index 0c2507dc03d6..019e18976bd8 100644
> --- a/drivers/media/platform/renesas/vsp1/vsp1_drm.c
> +++ b/drivers/media/platform/renesas/vsp1/vsp1_drm.c
> @@ -856,6 +856,8 @@ int vsp1_du_atomic_update(struct device *dev, unsigned int pipe_index,
>  	rpf->mem.addr[1] = cfg->mem[1];
>  	rpf->mem.addr[2] = cfg->mem[2];
>  
> +	rpf->format.flags = (cfg->premult) ? V4L2_PIX_FMT_FLAG_PREMUL_ALPHA : 0;
> +

  Parens are hardly needed here... :-)

[...]

MBR, Sergey