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

   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
  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 }