[PATCH v6 13/17] drm/vkms: Add range and encoding properties to the plane

[Pekka Paalanen]

On Tue, 09 Apr 2024 15:25:31 +0200
Louis Chauvet <louis.chauvet at bootlin.com> wrote:

> From: Arthur Grillo <arthurgrillo at riseup.net>
> 
> Now that the driver internally handles these quantization ranges and YUV
> encoding matrices, expose the UAPI for setting them.
> 
> Signed-off-by: Arthur Grillo <arthurgrillo at riseup.net>
> [Louis Chauvet: retained only relevant parts, updated the commit message]
> Signed-off-by: Louis Chauvet <louis.chauvet at bootlin.com>
> ---
>  drivers/gpu/drm/vkms/vkms_formats.c | 2 +-
>  drivers/gpu/drm/vkms/vkms_plane.c   | 9 +++++++++
>  2 files changed, 10 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/vkms/vkms_formats.c b/drivers/gpu/drm/vkms/vkms_formats.c
> index 2d7445a3de93..a294744d29d6 100644
> --- a/drivers/gpu/drm/vkms/vkms_formats.c
> +++ b/drivers/gpu/drm/vkms/vkms_formats.c
> @@ -238,7 +238,7 @@ static struct pixel_argb_u16 argb_u16_from_RGB565(const u16 *pixel)
>  static struct pixel_argb_u16 argb_u16_from_yuv888(u8 y, u8 channel_1, u8 channel_2,
>  						  const struct conversion_matrix *matrix)
>  {
> -	u8 r, g, b;
> +	u16 r, g, b;
>  	s64 fp_y, fp_channel_1, fp_channel_2;
>  	s64 fp_r, fp_g, fp_b;

This part belongs in the previous patch.

Otherwise,

Acked-by: Pekka Paalanen <pekka.paalanen at collabora.com>


Thanks,
pq

>  
> diff --git a/drivers/gpu/drm/vkms/vkms_plane.c b/drivers/gpu/drm/vkms/vkms_plane.c
> index d4e375913122..8f764a108b00 100644
> --- a/drivers/gpu/drm/vkms/vkms_plane.c
> +++ b/drivers/gpu/drm/vkms/vkms_plane.c
> @@ -218,5 +218,14 @@ struct vkms_plane *vkms_plane_init(struct vkms_device *vkmsdev,
>  	drm_plane_create_rotation_property(&plane->base, DRM_MODE_ROTATE_0,
>  					   DRM_MODE_ROTATE_MASK | DRM_MODE_REFLECT_MASK);
>  
> +	drm_plane_create_color_properties(&plane->base,
> +					  BIT(DRM_COLOR_YCBCR_BT601) |
> +					  BIT(DRM_COLOR_YCBCR_BT709) |
> +					  BIT(DRM_COLOR_YCBCR_BT2020),
> +					  BIT(DRM_COLOR_YCBCR_LIMITED_RANGE) |
> +					  BIT(DRM_COLOR_YCBCR_FULL_RANGE),
> +					  DRM_COLOR_YCBCR_BT601,
> +					  DRM_COLOR_YCBCR_FULL_RANGE);
> +
>  	return plane;
>  }
> 

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