drm/i915: Hide the intel_crtc_needs_color_update() inside intel_color_check()

Move the intel_crtc_needs_color_update() into intel_color_check()
so that the caller doesn't have to care about this. This will
also enable us to hide the c8_planes_changed() thing better.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240523182818.15382-3-ville.syrjala@linux.intel.comReviewed-by: Jani Nikula <jani.nikula@intel.com>

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

@@ -1986,6 +1986,11 @@ int intel_color_check(struct intel_atomic_state *state,
 		      struct intel_crtc *crtc)
 {
 	struct drm_i915_private *i915 = to_i915(state->base.dev);
+	const struct intel_crtc_state *new_crtc_state =
+		intel_atomic_get_new_crtc_state(state, crtc);
+
+	if (!intel_crtc_needs_color_update(new_crtc_state))
+		return 0;
 
 	return i915->display.funcs.color->color_check(state, crtc);
 }

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

@@ -4254,11 +4254,9 @@ static int intel_crtc_atomic_check(struct intel_atomic_state *state,
 	if (c8_planes_changed(crtc_state))
 		crtc_state->uapi.color_mgmt_changed = true;
 
-	if (intel_crtc_needs_color_update(crtc_state)) {
-		ret = intel_color_check(state, crtc);
-		if (ret)
-			return ret;
-	}
+	ret = intel_color_check(state, crtc);
+	if (ret)
+		return ret;
 
 	ret = intel_compute_pipe_wm(state, crtc);
 	if (ret) {