[PATCH 18/28] drm/i915/color: Add and attach COLORPIPELINE plane property

[Uma Shankar]

From: Chaitanya Kumar Borah <chaitanya.kumar.borah at intel.com>

Add supported color pipelines and attach it to plane.

Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah at intel.com>
Signed-off-by: Uma Shankar <uma.shankar at intel.com>
---
 drivers/gpu/drm/i915/display/intel_color.c | 37 ++++++++++++++++++++++
 drivers/gpu/drm/i915/display/intel_color.h |  3 ++
 2 files changed, 40 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_color.c b/drivers/gpu/drm/i915/display/intel_color.c
index 223cd1ff7291..d6d5e56b4f2c 100644
--- a/drivers/gpu/drm/i915/display/intel_color.c
+++ b/drivers/gpu/drm/i915/display/intel_color.c
@@ -4000,6 +4000,43 @@ int intel_plane_tf_pipeline_init(struct drm_plane *plane, struct drm_prop_enum_l
 	return 0;
 }
 
+int intel_plane_color_init(struct drm_plane *plane)
+{
+	struct drm_device *dev = plane->dev;
+	struct drm_property *prop;
+	struct drm_prop_enum_list pipelines[MAX_COLOR_PIPELINES];
+	int len = 0;
+	int ret;
+
+	/* Add "Bypass" (i.e. NULL) pipeline */
+	pipelines[len].type = 0;
+	pipelines[len].name = "Bypass";
+	len++;
+
+	/* Add pipeline consisting of transfer functions */
+	ret = intel_plane_tf_pipeline_init(plane, &pipelines[len]);
+	if (ret)
+		return ret;
+	len++;
+
+	/* Create COLOR_PIPELINE property and attach */
+	prop = drm_property_create_enum(dev, DRM_MODE_PROP_ATOMIC,
+					"COLOR_PIPELINE",
+					pipelines, len);
+	if (!prop)
+		return -ENOMEM;
+
+	plane->color_pipeline_property = prop;
+
+	drm_object_attach_property(&plane->base, prop, 0);
+
+	/* TODO check if needed */
+	if (plane->state)
+		plane->state->color_pipeline = NULL;
+
+	return 0;
+}
+
 void intel_color_crtc_init(struct intel_crtc *crtc)
 {
 	struct drm_i915_private *i915 = to_i915(crtc->base.dev);
diff --git a/drivers/gpu/drm/i915/display/intel_color.h b/drivers/gpu/drm/i915/display/intel_color.h
index e0b75dcb1b65..df0e1f6be067 100644
--- a/drivers/gpu/drm/i915/display/intel_color.h
+++ b/drivers/gpu/drm/i915/display/intel_color.h
@@ -16,6 +16,8 @@ struct drm_plane;
 struct drm_prop_enum_list;
 enum intel_color_block;
 
+#define MAX_COLOR_PIPELINES 5
+
 void intel_color_init_hooks(struct drm_i915_private *i915);
 int intel_color_init(struct drm_i915_private *i915);
 void intel_color_crtc_init(struct intel_crtc *crtc);
@@ -37,5 +39,6 @@ void intel_color_assert_luts(const struct intel_crtc_state *crtc_state);
 struct intel_plane_colorop *intel_colorop_alloc(void);
 struct intel_plane_colorop *intel_plane_colorop_create(enum intel_color_block id);
 int intel_plane_tf_pipeline_init(struct drm_plane *plane, struct drm_prop_enum_list *list);
+int intel_plane_color_init(struct drm_plane *plane);
 
 #endif /* __INTEL_COLOR_H__ */
-- 
2.42.0