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 } 36