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Date: Tue, 09 Apr 2024 15:25:31 +0200
From: Louis Chauvet <louis.chauvet@...tlin.com>
To: Rodrigo Siqueira <rodrigosiqueiramelo@...il.com>, 
 Melissa Wen <melissa.srw@...il.com>, 
 MaĆ­ra Canal <mairacanal@...eup.net>, 
 Haneen Mohammed <hamohammed.sa@...il.com>, Daniel Vetter <daniel@...ll.ch>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 David Airlie <airlied@...il.com>, rdunlap@...radead.org, 
 arthurgrillo@...eup.net, Jonathan Corbet <corbet@....net>, 
 pekka.paalanen@...oniitty.fi
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
 jeremie.dautheribes@...tlin.com, miquel.raynal@...tlin.com, 
 thomas.petazzoni@...tlin.com, seanpaul@...gle.com, marcheu@...gle.com, 
 nicolejadeyee@...gle.com, Louis Chauvet <louis.chauvet@...tlin.com>
Subject: [PATCH v6 13/17] drm/vkms: Add range and encoding properties to
 the plane

From: Arthur Grillo <arthurgrillo@...eup.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@...eup.net>
[Louis Chauvet: retained only relevant parts, updated the commit message]
Signed-off-by: Louis Chauvet <louis.chauvet@...tlin.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


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