1  // SPDX-License-Identifier: MIT
2  /*
3   * Copyright © 2023 Intel Corporation
4   */
5  
6  #include "i915_reg.h"
7  #include "intel_de.h"
8  #include "intel_display_types.h"
9  #include "intel_dpt_common.h"
10  #include "skl_universal_plane_regs.h"
11  
intel_dpt_configure(struct intel_crtc * crtc)12  void intel_dpt_configure(struct intel_crtc *crtc)
13  {
14  	struct drm_i915_private *i915 = to_i915(crtc->base.dev);
15  
16  	if (DISPLAY_VER(i915) == 14) {
17  		enum pipe pipe = crtc->pipe;
18  		enum plane_id plane_id;
19  
20  		for_each_plane_id_on_crtc(crtc, plane_id) {
21  			if (plane_id == PLANE_CURSOR)
22  				continue;
23  
24  			intel_de_rmw(i915, PLANE_CHICKEN(pipe, plane_id),
25  				     PLANE_CHICKEN_DISABLE_DPT,
26  				     i915->display.params.enable_dpt ? 0 :
27  				     PLANE_CHICKEN_DISABLE_DPT);
28  		}
29  	} else if (DISPLAY_VER(i915) == 13) {
30  		intel_de_rmw(i915, CHICKEN_MISC_2,
31  			     CHICKEN_MISC_DISABLE_DPT,
32  			     i915->display.params.enable_dpt ? 0 :
33  			     CHICKEN_MISC_DISABLE_DPT);
34  	}
35  }
36