drm/i915: Pass the new crtc state to color management code

In an effort to eliminate the obj->state usage let's pass on the
new crtc state pointer (which we already have!) to the color management
code.
Reviewed-by: NMaarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: NVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170823152226.22938-1-ville.syrjala@linux.intel.com

drivers/gpu/drm/i915/intel_display.c

@@ -12953,8 +12953,8 @@ static void intel_begin_crtc_commit(struct drm_crtc *crtc,
 	if (!modeset &&
 	    (intel_cstate->base.color_mgmt_changed ||
 	     intel_cstate->update_pipe)) {
-		intel_color_set_csc(crtc->state);
-		intel_color_load_luts(crtc->state);
+		intel_color_set_csc(&intel_cstate->base);
+		intel_color_load_luts(&intel_cstate->base);
 	}
 
 	/* Perform vblank evasion around commit operation */