[v2 09/25] drm: Add helper to initialize segmented 1D LUT

[Uma Shankar]

From: Chaitanya Kumar Borah <chaitanya.kumar.bo...@intel.com>

Add helper to initialize 1D segmented LUT

Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.bo...@intel.com>
Signed-off-by: Uma Shankar <uma.shan...@intel.com>
---
 drivers/gpu/drm/drm_colorop.c | 27 ++++++++++++++++++++++++++-
 include/drm/drm_colorop.h     |  4 ++++
 2 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_colorop.c b/drivers/gpu/drm/drm_colorop.c
index 111517c08216..871d5660e3b2 100644
--- a/drivers/gpu/drm/drm_colorop.c
+++ b/drivers/gpu/drm/drm_colorop.c
@@ -104,7 +104,6 @@ static int drm_create_colorop_capability_prop(struct 
drm_device *dev,
        return 0;
 }
 
-__maybe_unused
 static int drm_colorop_lutcaps_init(struct drm_colorop *colorop,
                                    struct drm_plane *plane,
                                    const struct drm_color_lut_range *ranges,
@@ -338,6 +337,32 @@ int drm_colorop_curve_1d_lut_init(struct drm_device *dev, 
struct drm_colorop *co
 }
 EXPORT_SYMBOL(drm_colorop_curve_1d_lut_init);
 
+int drm_colorop_curve_1d_lut_multseg_init(struct drm_device *dev, struct 
drm_colorop *colorop,
+                                         struct drm_plane *plane,
+                                         const struct drm_color_lut_range 
*ranges,
+                                         size_t length, bool allow_bypass)
+{
+       int ret;
+
+       ret = drm_colorop_init(dev, colorop, plane, DRM_COLOROP_1D_LUT_MULTSEG, 
allow_bypass);
+       if (ret)
+               return ret;
+
+       ret = drm_colorop_lutcaps_init(colorop, plane, ranges, length);
+       if (ret)
+               return ret;
+
+       /* data */
+       ret = drm_colorop_create_data_prop(dev, colorop);
+       if (ret)
+               return ret;
+
+       drm_colorop_reset(colorop);
+
+       return 0;
+}
+EXPORT_SYMBOL(drm_colorop_curve_1d_lut_multseg_init);
+
 int drm_colorop_ctm_3x4_init(struct drm_device *dev, struct drm_colorop 
*colorop,
                             struct drm_plane *plane, bool allow_bypass)
 {
diff --git a/include/drm/drm_colorop.h b/include/drm/drm_colorop.h
index 58e5b87c6d56..9268fffd04f6 100644
--- a/include/drm/drm_colorop.h
+++ b/include/drm/drm_colorop.h
@@ -391,6 +391,10 @@ int drm_colorop_curve_1d_lut_init(struct drm_device *dev, 
struct drm_colorop *co
                                  bool allow_bypass);
 int drm_colorop_ctm_3x3_init(struct drm_device *dev, struct drm_colorop 
*colorop,
                             struct drm_plane *plane, bool allow_bypass);
+int drm_colorop_curve_1d_lut_multseg_init(struct drm_device *dev, struct 
drm_colorop *colorop,
+                                         struct drm_plane *plane,
+                                         const struct drm_color_lut_range 
*ranges,
+                                         size_t length, bool allow_bypass);
 int drm_colorop_ctm_3x4_init(struct drm_device *dev, struct drm_colorop 
*colorop,
                             struct drm_plane *plane, bool allow_bypass);
 int drm_colorop_mult_init(struct drm_device *dev, struct drm_colorop *colorop,
-- 
2.42.0