drivers/gpu/drm/i915/display/intel_display_conversion.h

   1 /* SPDX-License-Identifier: MIT */
   2 /* Copyright © 2024 Intel Corporation */
   3
   4 /*
   5  * This header is for transitional struct intel_display conversion helpers only.
   6  */
   7
   8 #ifndef __INTEL_DISPLAY_CONVERSION__
   9 #define __INTEL_DISPLAY_CONVERSION__
  10
  11 struct drm_device;
  12 struct drm_i915_private;
  13 struct intel_display;
  14
  15 struct intel_display *__i915_to_display(struct drm_i915_private *i915);
  16 struct intel_display *__drm_to_display(struct drm_device *drm);
  17 /*
  18  * Transitional macro to optionally convert struct drm_i915_private * to struct
  19  * intel_display *, also accepting the latter.
  20  */
  21 #define __to_intel_display(p)                                           \
  22         _Generic(p,                                                     \
  23                  const struct drm_i915_private *: __i915_to_display((struct drm_i915_private *)(p)), \
  24                  struct drm_i915_private *: __i915_to_display((struct drm_i915_private *)(p)), \
  25                  const struct intel_display *: (p),                     \
  26                  struct intel_display *: (p))
  27
  28 #endif /* __INTEL_DISPLAY_CONVERSION__ */