drm/i915/color: Add helper to create intel colorop

Add intel colorop create helper

v2:
 - Make function names consistent (Jani)
 - Remove redundant code related to colorop state
 - Refactor code to separate files

Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@intel.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patch.msgid.link/20251203085211.3663374-4-uma.shankar@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>

Author: ckborah

drivers/gpu/drm/i915/display/intel_colorop.c

@@ -8,3 +8,28 @@ struct intel_colorop *to_intel_colorop(struct drm_colorop *colorop)
 {
 	return container_of(colorop, struct intel_colorop, base);
 }
+
+struct intel_colorop *intel_colorop_alloc(void)
+{
+	struct intel_colorop *colorop;
+
+	colorop = kzalloc(sizeof(*colorop), GFP_KERNEL);
+	if (!colorop)
+		return ERR_PTR(-ENOMEM);
+
+	return colorop;
+}
+
+struct intel_colorop *intel_colorop_create(enum intel_color_block id)
+{
+	struct intel_colorop *colorop;
+
+	colorop = intel_colorop_alloc();
+
+	if (IS_ERR(colorop))
+		return colorop;
+
+	colorop->id = id;
+
+	return colorop;
+}

drivers/gpu/drm/i915/display/intel_colorop.h

@@ -9,5 +9,7 @@
 #include "intel_display_types.h"
 
 struct intel_colorop *to_intel_colorop(struct drm_colorop *colorop);
+struct intel_colorop *intel_colorop_alloc(void);
+struct intel_colorop *intel_colorop_create(enum intel_color_block id);
 
 #endif /* __INTEL_COLOROP_H__ */