[PATCH 14/28] drm/i915/color: Add helper to allocate intel colorop

[Uma Shankar]

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

Add helper to allocate memory for intel colorop

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 | 25 ++++++++++++++++++++++
 drivers/gpu/drm/i915/display/intel_color.h |  1 +
 2 files changed, 26 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_color.c b/drivers/gpu/drm/i915/display/intel_color.c
index ca7112b32cb3..949c2efe105f 100644
--- a/drivers/gpu/drm/i915/display/intel_color.c
+++ b/drivers/gpu/drm/i915/display/intel_color.c
@@ -3810,6 +3810,31 @@ static const struct intel_color_funcs ilk_color_funcs = {
 	.get_config = ilk_get_config,
 };
 
+/* TODO: Move to another file */
+struct intel_plane_colorop *intel_colorop_alloc(void)
+{
+	struct intel_plane_colorop *colorop;
+	struct intel_plane_colorop_state *colorop_state;
+
+	colorop = kzalloc(sizeof(*colorop), GFP_KERNEL);
+	if (!colorop)
+		return ERR_PTR(-ENOMEM);
+
+	colorop_state = kzalloc(sizeof(*colorop_state), GFP_KERNEL);
+	if (!colorop_state) {
+		kfree(colorop);
+		return ERR_PTR(-ENOMEM);
+	}
+
+	/* TODO: Add color op reset
+	 * intel_colorop_state_reset(plane_state, plane);
+	 */
+
+	colorop->base.state = &colorop_state->uapi;
+
+	return colorop;
+}
+
 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 8ecd36149def..e111d115724c 100644
--- a/drivers/gpu/drm/i915/display/intel_color.h
+++ b/drivers/gpu/drm/i915/display/intel_color.h
@@ -31,5 +31,6 @@ bool intel_color_lut_equal(const struct intel_crtc_state *crtc_state,
 			   const struct drm_property_blob *blob2,
 			   bool is_pre_csc_lut);
 void intel_color_assert_luts(const struct intel_crtc_state *crtc_state);
+struct intel_plane_colorop *intel_colorop_alloc(void);
 
 #endif /* __INTEL_COLOR_H__ */
-- 
2.42.0