Add generic __to_intel_display() macro that accepts either struct drm_i915_private * or struct intel_display *. This is to be used for transitional stuff that eventually needs to be converted to use struct intel_display *, and therefore is not part of to_intel_display(). Add new intel_display_conversion.h to host the helper to avoid duplication between xe and i915 drivers. v2: put it in the new header (Rodrigo) Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> # v1 Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx> --- .../i915/display/intel_display_conversion.h | 22 +++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 drivers/gpu/drm/i915/display/intel_display_conversion.h diff --git a/drivers/gpu/drm/i915/display/intel_display_conversion.h b/drivers/gpu/drm/i915/display/intel_display_conversion.h new file mode 100644 index 000000000000..ad8545c8055d --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_display_conversion.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: MIT */ +/* Copyright © 2024 Intel Corporation */ + +/* + * This header is for transitional struct intel_display conversion helpers only. + */ + +#ifndef __INTEL_DISPLAY_CONVERSION__ +#define __INTEL_DISPLAY_CONVERSION__ + +/* + * Transitional macro to optionally convert struct drm_i915_private * to struct + * intel_display *, also accepting the latter. + */ +#define __to_intel_display(p) \ + _Generic(p, \ + const struct drm_i915_private *: (&((const struct drm_i915_private *)(p))->display), \ + struct drm_i915_private *: (&((struct drm_i915_private *)(p))->display), \ + const struct intel_display *: (p), \ + struct intel_display *: (p)) + +#endif /* __INTEL_DISPLAY_CONVERSION__ */ -- 2.39.2
