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path: root/drivers/gpu/drm/i915/display/intel_display_conversion.h
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Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display_conversion.h')
-rw-r--r--drivers/gpu/drm/i915/display/intel_display_conversion.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display_conversion.h b/drivers/gpu/drm/i915/display/intel_display_conversion.h
index ad8545c8055d..46c7208d42ba 100644
--- a/drivers/gpu/drm/i915/display/intel_display_conversion.h
+++ b/drivers/gpu/drm/i915/display/intel_display_conversion.h
@@ -8,14 +8,20 @@
#ifndef __INTEL_DISPLAY_CONVERSION__
#define __INTEL_DISPLAY_CONVERSION__
+struct drm_device;
+struct drm_i915_private;
+struct intel_display;
+
+struct intel_display *__i915_to_display(struct drm_i915_private *i915);
+struct intel_display *__drm_to_display(struct drm_device *drm);
/*
* 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 drm_i915_private *: __i915_to_display((struct drm_i915_private *)(p)), \
+ struct drm_i915_private *: __i915_to_display((struct drm_i915_private *)(p)), \
const struct intel_display *: (p), \
struct intel_display *: (p))