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().
Signed-off-by: Jani Nikula <[email protected]> --- drivers/gpu/drm/i915/i915_drv.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index ee0d7d5f135d..4819f80942d3 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -357,6 +357,17 @@ struct drm_i915_private { */ }; +/* + * 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)) + static inline struct drm_i915_private *to_i915(const struct drm_device *dev) { return container_of(dev, struct drm_i915_private, drm); -- 2.39.2
