[PATCH libdrm 3/4] amdgpu: add amdgpu_cs_syncobj_wait

[Marek Olšák]

From: Marek Olšák <marek.olsak at amd.com>

v2: update amdgpu-symbol-check
---
 amdgpu/amdgpu-symbol-check |  1 +
 amdgpu/amdgpu.h            | 20 ++++++++++++++++++++
 amdgpu/amdgpu_cs.c         | 12 ++++++++++++
 3 files changed, 33 insertions(+)

diff --git a/amdgpu/amdgpu-symbol-check b/amdgpu/amdgpu-symbol-check
index bc9ed3f..7ecfc98 100755
--- a/amdgpu/amdgpu-symbol-check
+++ b/amdgpu/amdgpu-symbol-check
@@ -35,20 +35,21 @@ amdgpu_cs_destroy_semaphore
 amdgpu_cs_destroy_syncobj
 amdgpu_cs_export_syncobj
 amdgpu_cs_import_syncobj
 amdgpu_cs_query_fence_status
 amdgpu_cs_query_reset_state
 amdgpu_cs_signal_semaphore
 amdgpu_cs_submit
 amdgpu_cs_submit_raw
 amdgpu_cs_syncobj_export_sync_file
 amdgpu_cs_syncobj_import_sync_file
+amdgpu_cs_syncobj_wait
 amdgpu_cs_wait_fences
 amdgpu_cs_wait_semaphore
 amdgpu_device_deinitialize
 amdgpu_device_initialize
 amdgpu_get_marketing_name
 amdgpu_query_buffer_size_alignment
 amdgpu_query_crtc_from_id
 amdgpu_query_firmware_version
 amdgpu_query_gds_info
 amdgpu_query_gpu_info
diff --git a/amdgpu/amdgpu.h b/amdgpu/amdgpu.h
index b44b9b6..979acfc 100644
--- a/amdgpu/amdgpu.h
+++ b/amdgpu/amdgpu.h
@@ -1347,20 +1347,40 @@ int amdgpu_cs_create_syncobj(amdgpu_device_handle dev,
  * \param   syncobj - \c [in] sync object handle
  *
  * \return   0 on success\n
  *          <0 - Negative POSIX Error code
  *
 */
 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
  * \param   syncobj    - \c [in] sync object handle
  * \param   shared_fd  - \c [out] shared file descriptor.
  *
  * \return   0 on success\n
  *          <0 - Negative POSIX Error code
  *
 */
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
@@ -608,20 +608,32 @@ int amdgpu_cs_create_syncobj(amdgpu_device_handle dev,
 
 int amdgpu_cs_destroy_syncobj(amdgpu_device_handle dev,
 			      uint32_t handle)
 {
 	if (NULL == dev)
 		return -EINVAL;
 
 	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)
 {
 	if (NULL == dev)
 		return -EINVAL;
 
 	return drmSyncobjHandleToFD(dev->fd, handle, shared_fd);
 }
 
-- 
2.7.4