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

[Louis Chauvet]

From: Arthur Grillo <arthurgri...@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 <arthurgri...@riseup.net>
[Louis Chauvet: retained only relevant parts, updated the commit message]
Signed-off-by: Louis Chauvet <louis.chau...@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;
 
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;
 }

-- 
2.43.0