From: Marek Olšák <marek.olsak@xxxxxxx>
---
amdgpu/amdgpu.h | 20 ++++++++++++++++++++
amdgpu/amdgpu_cs.c | 12 ++++++++++++
2 files changed, 32 insertions(+)
diff --git a/amdgpu/amdgpu.h b/amdgpu/amdgpu.h
index b44b9b6..979acfc 100644
--- a/amdgpu/amdgpu.h
+++ b/amdgpu/amdgpu.h
@@ -1354,6 +1354,26 @@ int amdgpu_cs_destroy_syncobj(amdgpu_device_handle dev,
uint32_t syncobj);
/**
+ * Wait for one or all sync objects to signal.
+ *
+ * \param dev - \c [in] self-explanatory
+ * \param handles - \c [in] array of sync object handles
+ * \param num_handles - \c [in] self-explanatory
+ * \param timeout_nsec - \c [in] self-explanatory
+ * \param flags - \c [in] a bitmask of DRM_SYNCOBJ_WAIT_FLAGS_*
+ * \param first_signaled - \c [in] self-explanatory
+ *
+ * \return 0 on success\n
+ * -ETIME - Timeout
+ * <0 - Negative POSIX Error code
+ *
+ */
+int amdgpu_cs_syncobj_wait(amdgpu_device_handle dev,
+ uint32_t *handles, unsigned num_handles,
+ int64_t timeout_nsec, unsigned flags,
+ uint32_t *first_signaled);
+
+/**
* Export kernel sync object to shareable fd.
*
* \param dev - \c [in] device handle
diff --git a/amdgpu/amdgpu_cs.c b/amdgpu/amdgpu_cs.c
index 4a05536..2cde7bf 100644
--- a/amdgpu/amdgpu_cs.c
+++ b/amdgpu/amdgpu_cs.c
@@ -615,6 +615,18 @@ int amdgpu_cs_destroy_syncobj(amdgpu_device_handle dev,
return drmSyncobjDestroy(dev->fd, handle);
}
+int amdgpu_cs_syncobj_wait(amdgpu_device_handle dev,
+ uint32_t *handles, unsigned num_handles,
+ int64_t timeout_nsec, unsigned flags,
+ uint32_t *first_signaled)
+{
+ if (NULL == dev)
+ return -EINVAL;
+
+ return drmSyncobjWait(dev->fd, handles, num_handles, timeout_nsec,
+ flags, first_signaled);
+}
+
int amdgpu_cs_export_syncobj(amdgpu_device_handle dev,
uint32_t handle,
int *shared_fd)
--
2.7.4
