Introduce definition of a hybrid log-gamma electro-optical transfer
function for 1D Curve colorops.

Signed-off-by: Nícolas F. R. A. Prado <[email protected]>
---
 drivers/gpu/drm/drm_colorop.c |  1 +
 include/drm/drm_colorop.h     | 10 ++++++++++
 2 files changed, 11 insertions(+)

diff --git a/drivers/gpu/drm/drm_colorop.c b/drivers/gpu/drm/drm_colorop.c
index fafe45b93ff8..a19e03fb9c7c 100644
--- a/drivers/gpu/drm/drm_colorop.c
+++ b/drivers/gpu/drm/drm_colorop.c
@@ -79,6 +79,7 @@ static const char * const colorop_curve_1d_type_names[] = {
        [DRM_COLOROP_1D_CURVE_BT2020_OETF] = "BT.2020 OETF",
        [DRM_COLOROP_1D_CURVE_GAMMA22] = "Gamma 2.2",
        [DRM_COLOROP_1D_CURVE_GAMMA22_INV] = "Gamma 2.2 Inverse",
+       [DRM_COLOROP_1D_CURVE_HLG_EOTF] = "HLG",
 };
 
 static const struct drm_prop_enum_list drm_colorop_lut1d_interpolation_list[] 
= {
diff --git a/include/drm/drm_colorop.h b/include/drm/drm_colorop.h
index ee6454b08b2d..8ec98521607d 100644
--- a/include/drm/drm_colorop.h
+++ b/include/drm/drm_colorop.h
@@ -126,6 +126,16 @@ enum drm_colorop_curve_1d_type {
         * The inverse of &DRM_COLOROP_1D_CURVE_GAMMA22
         */
        DRM_COLOROP_1D_CURVE_GAMMA22_INV,
+
+       /**
+        * @DRM_COLOROP_1D_CURVE_HLG_EOTF:
+        *
+        * enum string "HLG"
+        *
+        * Hybrid log-gamma transfer function.
+        */
+       DRM_COLOROP_1D_CURVE_HLG_EOTF,
+
        /**
         * @DRM_COLOROP_1D_CURVE_COUNT:
         *

-- 
2.51.0

Reply via email to