atomic changes break drm-next-kmod?

It seems recent changes (SVN r335873?) may have broken drm-next-kmod ..

--- i915_drv.o ---
In file included from i915_drv.c:30:
In file included from
/usr/ports/graphics/drm-next-kmod/work/kms-drm-a753215/linuxkpi/gplv2/include/linux/acpi.h:26:
In file included from
/usr/ports/graphics/drm-next-kmod/work/kms-drm-a753215/linuxkpi/gplv2/include/linux/device.h:4:
In file included from
/usr/src/sys/compat/linuxkpi/common/include/linux/device.h:35:
In file included from
/usr/src/sys/compat/linuxkpi/common/include/linux/types.h:37:
In file included from /usr/src/sys/sys/systm.h:44:
./machine/atomic.h:450:29: error: invalid operand for instruction
ATOMIC_ASM(clear,    long,  "andq %1,%0",  "ir", ~v);
                            ^
<inline asm>:1:7: note: instantiated into assembly here
        andq $9223372036854775807,40672(%r14)
             ^~~~~~~~~~~~~~~~~~~~~
1 error generated.
*** [i915_drv.o] Error code 1

make[3]: stopped in
/usr/ports/graphics/drm-next-kmod/work/kms-drm-a753215/i915
--- i915_gem.o ---
In file included from i915_gem.c:28:
In file included from
/usr/ports/graphics/drm-next-kmod/work/kms-drm-a753215/include/drm/drmP.h:38:
In file included from /usr/src/sys/sys/malloc.h:42:
In file included from /usr/src/sys/sys/systm.h:44:
./machine/atomic.h:449:29: error: invalid operand for instruction
ATOMIC_ASM(set,      long,  "orq %1,%0",   "ir",  v);
                            ^
<inline asm>:1:6: note: instantiated into assembly here
        orq $-9223372036854775808,40672(%r14)
            ^~~~~~~~~~~~~~~~~~~~~~
1 error generated.
*** [i915_gem.o] Error code 1