5c0ebda1ea7a drm/i915/display: Error codes for async flip failures
47633d8872a9 drm/atomic: Return user readable error in atomic_ioctl
704a576cda38 drm/atomic: Allocate atomic_state at the beginning of atomic_ioctl
b6c1a25f7bec drm/atomic: Add error_code element in atomic_state
92fb2dd24e72 drm: Define user readable error codes for atomic ioctl