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-rw-r--r--sys/dev/drm/drm_os_freebsd.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/sys/dev/drm/drm_os_freebsd.h b/sys/dev/drm/drm_os_freebsd.h
index 43f6309..cb4cfe0 100644
--- a/sys/dev/drm/drm_os_freebsd.h
+++ b/sys/dev/drm/drm_os_freebsd.h
@@ -178,7 +178,7 @@ typedef void irqreturn_t;
#define DRM_GET_PRIV_WITH_RETURN(_priv, _filp) \
do { \
- if (_filp != (DRMFILE)DRM_CURRENTPID) { \
+ if (_filp != (DRMFILE)(intptr_t)DRM_CURRENTPID) { \
DRM_ERROR("filp doesn't match curproc\n"); \
return EINVAL; \
} \
@@ -291,6 +291,12 @@ for ( ret = 0 ; !ret && !(condition) ; ) { \
#define DRM_READMEMORYBARRIER() alpha_mb();
#define DRM_WRITEMEMORYBARRIER() alpha_wmb();
#define DRM_MEMORYBARRIER() alpha_mb();
+#elif defined(__amd64__)
+#define DRM_READMEMORYBARRIER() __asm __volatile( \
+ "lock; addl $0,0(%%rsp)" : : : "memory");
+#define DRM_WRITEMEMORYBARRIER() __asm __volatile("" : : : "memory");
+#define DRM_MEMORYBARRIER() __asm __volatile( \
+ "lock; addl $0,0(%%rsp)" : : : "memory");
#endif
#define PAGE_ALIGN(addr) round_page(addr)
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