+ [DRM_COLOROP_CSC_FF_RGB709_RGB2020] = "RGB709 to RGB2020",
+};
+
/* Init Helpers */
static int drm_plane_colorop_init(struct drm_device *dev, struct drm_colorop *colorop,
@@ -459,6 +467,80 @@ int drm_plane_colorop_3dlut_init(struct drm_device *dev,
struct drm_colorop *col
}
EXPORT_SYMBOL(drm_plane_colorop_3dlut_init);
+/**
+ * drm_plane_colorop_csc_ff_init - Initialize a DRM_COLOROP_CSC_FF
+ *
+ * @dev: DRM device
+ * @colorop: The drm_colorop object to initialize
+ * @plane: The associated drm_plane
+ * @funcs: control functions for the new colorop
+ * @supported_csc_ff: A bitfield of supported drm_plane_colorop_csc_ff_type
enum values,
+ * created using BIT(csc_ff_type) and combined with the OR
'|'
+ * operator.
+ * @flags: bitmask of misc, see DRM_COLOROP_FLAG_* defines.
+ * @return zero on success, -E value on failure
+ */
+int drm_plane_colorop_csc_ff_init(struct drm_device *dev, struct drm_colorop
*colorop,
+ struct drm_plane *plane, const struct
drm_colorop_funcs *funcs,
+ u64 supported_csc_ff, uint32_t flags)
+{
+ struct drm_prop_enum_list enum_list[DRM_COLOROP_CSC_FF_COUNT];
+ int i, len;
+
+ struct drm_property *prop;
+ int ret;
+
+ if (!supported_csc_ff) {
+ drm_err(dev,
+ "No supported CSC op for new CSC FF colorop on
[PLANE:%d:%s]\n",
+ plane->base.id, plane->name);
+ return -EINVAL;
+ }
+
+ if ((supported_csc_ff & -BIT(DRM_COLOROP_CSC_FF_COUNT)) != 0) {
+ drm_err(dev, "Unknown CSC provided on [PLANE:%d:%s]\n",
+ plane->base.id, plane->name);
+ return -EINVAL;
+ }
+
+ ret = drm_plane_colorop_init(dev, colorop, plane, funcs,
DRM_COLOROP_CSC_FF, flags);
+ if (ret)
+ return ret;
+
+ len = 0;
+ for (i = 0; i < DRM_COLOROP_CSC_FF_COUNT; i++) {
+ if ((supported_csc_ff & BIT(i)) == 0)
+ continue;
+
+ enum_list[len].type = i;
+ enum_list[len].name = colorop_csc_ff_type_names[i];
+ len++;
+ }
+
+ if (WARN_ON(len <= 0))
+ return -EINVAL;
+
+ prop = drm_property_create_enum(dev, DRM_MODE_PROP_ATOMIC,
"CSC_FF_TYPE",
+ enum_list, len);
+
+ if (!prop)
+ return -ENOMEM;
+
+ colorop->csc_ff_type_property = prop;
+ /*
+ * Default to the first supported CSC mode as provided by the driver.
+ * Intuitively this should be something that keeps the colorop in pixel
bypass
+ * mode but that is already handled via the standard colorop bypass
+ * property.
+ */
+ drm_object_attach_property(&colorop->base,
colorop->csc_ff_type_property,
+ enum_list[0].type);
+ drm_colorop_reset(colorop);
+
+ return 0;
+}
+EXPORT_SYMBOL(drm_plane_colorop_csc_ff_init);
+
static void __drm_atomic_helper_colorop_duplicate_state(struct drm_colorop
*colorop,
struct
drm_colorop_state *state)
{
@@ -513,6 +595,13 @@ static void __drm_colorop_state_reset(struct
drm_colorop_state *colorop_state,
&val);
colorop_state->curve_1d_type = val;
}
+
+ if (colorop->csc_ff_type_property) {
+ drm_object_property_get_default_value(&colorop->base,
+
colorop->csc_ff_type_property,
+ &val);
+ colorop_state->csc_ff_type = val;
+ }
}
/**
@@ -551,6 +640,7 @@ static const char * const colorop_type_name[] = {
[DRM_COLOROP_CTM_3X4] = "3x4 Matrix",
[DRM_COLOROP_MULTIPLIER] = "Multiplier",
[DRM_COLOROP_3D_LUT] = "3D LUT",
+ [DRM_COLOROP_CSC_FF] = "CSC Fixed-Function",
};
static const char * const colorop_lu3d_interpolation_name[] = {
@@ -607,6 +697,21 @@ const char *drm_get_colorop_lut3d_interpolation_name(enum
drm_colorop_lut3d_inte
return colorop_lu3d_interpolation_name[type];
}
+/**
+ * drm_get_colorop_csc_ff_type_name: return a string for interpolation type
+ * @type: csc ff type to compute name of
+ *
+ * In contrast to the other drm_get_*_name functions this one here returns a
+ * const pointer and hence is threadsafe.
+ */
+const char *drm_get_colorop_csc_ff_type_name(enum drm_colorop_csc_ff_type type)
+{
+ if (WARN_ON(type >= ARRAY_SIZE(colorop_csc_ff_type_names)))
+ return "unknown";
+
+ return colorop_csc_ff_type_names[type];
+}
+
/**
* drm_colorop_set_next_property - sets the next pointer
* @colorop: drm colorop
diff --git a/include/drm/drm_colorop.h b/include/drm/drm_colorop.h
index bd082854ca74..2cd8e0779c2a 100644
--- a/include/drm/drm_colorop.h
+++ b/include/drm/drm_colorop.h
@@ -134,6 +134,60 @@ enum drm_colorop_curve_1d_type {
DRM_COLOROP_1D_CURVE_COUNT
};
+/**
+ * enum drm_colorop_csc_ff_type - type of CSC Fixed-Function
+ *
+ * Describes a CSC operation to be applied by the DRM_COLOROP_CSC_FF colorop.
+ */
+enum drm_colorop_csc_ff_type {
+ /**
+ * @DRM_COLOROP_CSC_FF_YUV601_RGB601
+ *
+ * enum string "YUV601 to RGB601"
+ *
+ * Selects the fixed-function CSC preset that converts YUV
+ * (BT.601) colorimetry to RGB (BT.601).
+ */
+ DRM_COLOROP_CSC_FF_YUV601_RGB601,
+
+ /**
+ * @DRM_COLOROP_CSC_FF_YUV709_RGB709:
+ *
+ * enum string "YUV709 to RGB709"
+ *
+ * Selects the fixed-function CSC preset that converts YUV
+ * (BT.709) colorimetry to RGB (BT.709).
+ */
+ DRM_COLOROP_CSC_FF_YUV709_RGB709,
+
+ /**
+ * @DRM_COLOROP_CSC_FF_YUV2020_RGB2020:
+ *
+ * enum string "YUV2020 to RGB2020"
+ *
+ * Selects the fixed-function CSC preset that converts YUV
+ * (BT.2020) colorimetry to RGB (BT.2020).
+ */
+ DRM_COLOROP_CSC_FF_YUV2020_RGB2020,
+
+ /**
+ * @DRM_COLOROP_CSC_FF_RGB709_RGB2020:
+ *
+ * enum string "RGB709 to RGB2020"
+ *
+ * Selects the fixed-function CSC preset that converts RGB
+ * (BT.709) colorimetry to RGB (BT.2020).
+ */
+ DRM_COLOROP_CSC_FF_RGB709_RGB2020,
+
+ /**
+ * @DRM_COLOROP_CSC_FF_COUNT:
+ *
+ * enum value denoting the size of the enum
+ */
+ DRM_COLOROP_CSC_FF_COUNT
+};
+
/**
* struct drm_colorop_state - mutable colorop state
*/
@@ -183,6 +237,13 @@ struct drm_colorop_state {
*/
struct drm_property_blob *data;
+ /**
+ * @csc_ff_type:
+ *
+ * Type of Fixed function CSC.
+ */
+ enum drm_colorop_csc_ff_type csc_ff_type;
+
/** @state: backpointer to global drm_atomic_state */
struct drm_atomic_state *state;
};
@@ -368,6 +429,13 @@ struct drm_colorop {
*/
struct drm_property *data_property;
+ /**
+ * @csc_ff_type_property:
+ *
+ * Sub-type for DRM_COLOROP_CSC_FF type.
+ */
+ struct drm_property *csc_ff_type_property;
+
/**
* @next_property:
*
@@ -424,6 +492,9 @@ int drm_plane_colorop_3dlut_init(struct drm_device *dev,
struct drm_colorop *col
uint32_t lut_size,
enum drm_colorop_lut3d_interpolation_type
interpolation,
uint32_t flags);
+int drm_plane_colorop_csc_ff_init(struct drm_device *dev, struct drm_colorop
*colorop,
+ struct drm_plane *plane, const struct
drm_colorop_funcs *funcs,
+ u64 supported_csc_ff, uint32_t flags);
struct drm_colorop_state *
drm_atomic_helper_colorop_duplicate_state(struct drm_colorop *colorop);
@@ -480,6 +551,7 @@ drm_get_colorop_lut1d_interpolation_name(enum
drm_colorop_lut1d_interpolation_ty
const char *
drm_get_colorop_lut3d_interpolation_name(enum
drm_colorop_lut3d_interpolation_type type);
+const char *drm_get_colorop_csc_ff_type_name(enum drm_colorop_csc_ff_type
type);
void drm_colorop_set_next_property(struct drm_colorop *colorop, struct drm_colorop *next);
diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h
index 3693d82b5279..f7808e7ea984 100644
--- a/include/uapi/drm/drm_mode.h
+++ b/include/uapi/drm/drm_mode.h
@@ -968,6 +968,19 @@ enum drm_colorop_type {
* color = lut3d[index]
*/
DRM_COLOROP_3D_LUT,
+
+ /**
+ * @DRM_COLOROP_CSC_FF:
+ *
+ * enum string "CSC Fixed-Function"
+ *
+ * A fixed-function Color Space Conversion block where the coefficients
+ * are not programmable but selected from predefined hardware modes via
+ * the CSC_FF_TYPE enum property. The driver advertises the supported
+ * CSC modes through this property.
+ */
+ DRM_COLOROP_CSC_FF,
+
};
/**
