From: Alex Hung <alex.hung@xxxxxxx>
A struct is defined for 3D LUT modes to be supported by hardware.
The elements includes lut_size, lut_stride, bit_depth, color_format
and flags.
Note: A patchset "IGT tests for pre-blending 3D LUT interfaces" for this
proposal is sent to IGT mailing list.
Signed-off-by: Alex Hung <alex.hung@xxxxxxx>
---
include/uapi/drm/drm_mode.h | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h
index 43691058d28f..3b40694259c7 100644
--- a/include/uapi/drm/drm_mode.h
+++ b/include/uapi/drm/drm_mode.h
@@ -854,6 +854,23 @@ struct drm_color_lut {
__u16 reserved;
};
+/*
+ * struct drm_mode_lut3d_mode - 3D LUT mode information.
+ * @lut_size: number of valid points on every dimension of 3D LUT.
+ * @lut_stride: number of points on every dimension of 3D LUT.
+ * @bit_depth: number of bits of RGB. If color_mode defines entries with higher
+ * bit_depth the least significant bits will be truncated.
+ * @color_format: fourcc values, ex. DRM_FORMAT_XRGB16161616 or DRM_FORMAT_XBGR16161616.
+ * @flags: flags for hardware-sepcific features
+ */
+struct drm_mode_lut3d_mode {
+ __u16 lut_size;
+ __u16 lut_stride[3];
+ __u16 bit_depth;
+ __u32 color_format;
+ __u32 flags;
+};
+
/**
* struct hdr_metadata_infoframe - HDR Metadata Infoframe Data.
*
--
2.40.1
