From: Chaitanya Kumar Borah <chaitanya.kumar.borah@xxxxxxxxx>
Add support for color ops that can be programmed
by 1 dimensional multi segmented Look Up Tables.
v2: Fixed the documentation for Multi segmented lut (Dmitry)
Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@xxxxxxxxx>
Signed-off-by: Uma Shankar <uma.shankar@xxxxxxxxx>
---
drivers/gpu/drm/drm_atomic.c | 4 ++++
drivers/gpu/drm/drm_atomic_uapi.c | 3 +++
include/uapi/drm/drm_mode.h | 10 ++++++++++
3 files changed, 17 insertions(+)
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index ab7d2ed9ee8c..c79ed3551abc 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -800,6 +800,10 @@ static void drm_atomic_colorop_print_state(struct drm_printer *p,
drm_get_colorop_lut1d_interpolation_name(colorop->lut1d_interpolation));
drm_printf(p, "\tdata blob id=%d\n", state->data ? state->data->base.id : 0);
break;
+ case DRM_COLOROP_1D_LUT_MULTSEG:
+ drm_printf(p, "\thw cap blob id=%d\n", state->hw_caps ? state->hw_caps->base.id : 0);
+ drm_printf(p, "\tdata blob id=%d\n", state->data ? state->data->base.id : 0);
+ break;
case DRM_COLOROP_CTM_3X3:
drm_printf(p, "\tdata blob id=%d\n", state->data ? state->data->base.id : 0);
break;
diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c
index b469f0ee9a25..ff125dc4872a 100644
--- a/drivers/gpu/drm/drm_atomic_uapi.c
+++ b/drivers/gpu/drm/drm_atomic_uapi.c
@@ -715,6 +715,9 @@ static int drm_atomic_color_set_data_property(struct drm_colorop *colorop,
size = colorop->lut_size * colorop->lut_size * colorop->lut_size *
sizeof(struct drm_color_lut);
break;
+ case DRM_COLOROP_1D_LUT_MULTSEG:
+ elem_size = sizeof(struct drm_color_lut_32);
+ break;
default:
/* should never get here */
return -EINVAL;
diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h
index 9ba64d5b20c8..bd58c9f5f98d 100644
--- a/include/uapi/drm/drm_mode.h
+++ b/include/uapi/drm/drm_mode.h
@@ -923,6 +923,16 @@ enum drm_colorop_type {
*/
DRM_COLOROP_CTM_3X4,
+ /**
+ * @DRM_COLOROP_1D_LUT_MULTSEG:
+ *
+ * A 1D LUT with multiple segments to cover the full color range with non-uniformly
+ * distributed &drm_color_lut entries, packed into a blob via the DATA property.
+ * The driver's expected LUT size and segmented capabilities are advertised via the
+ * HW_CAPS property.
+ */
+ DRM_COLOROP_1D_LUT_MULTSEG,
+
/**
* @DRM_COLOROP_CTM_3X3:
*
--
2.42.0
