[libdrm,2/2] amdgpu: Add syncobj reset & signal wrappers.

Commit Message

Bas Nieuwenhuizen Dec. 16, 2017, 11:27 p.m. UTC

---
 amdgpu/amdgpu-symbol-check |  2 ++
 amdgpu/amdgpu.h            | 28 ++++++++++++++++++++++++++++
 amdgpu/amdgpu_cs.c         | 18 ++++++++++++++++++
 3 files changed, 48 insertions(+)

Patch

diff --git a/amdgpu/amdgpu-symbol-check b/amdgpu/amdgpu-symbol-check
index 59db3cfe..3f298d13 100755
--- a/amdgpu/amdgpu-symbol-check
+++ b/amdgpu/amdgpu-symbol-check
@@ -45,6 +45,8 @@  amdgpu_cs_submit
 amdgpu_cs_submit_raw
 amdgpu_cs_syncobj_export_sync_file
 amdgpu_cs_syncobj_import_sync_file
+amdgpu_cs_syncobj_reset
+amdgpu_cs_syncobj_signal
 amdgpu_cs_syncobj_wait
 amdgpu_cs_wait_fences
 amdgpu_cs_wait_semaphore
diff --git a/amdgpu/amdgpu.h b/amdgpu/amdgpu.h
index c95cb03c..2eb03bf1 100644
--- a/amdgpu/amdgpu.h
+++ b/amdgpu/amdgpu.h
@@ -1381,6 +1381,34 @@  int amdgpu_cs_create_syncobj(amdgpu_device_handle dev,
 int amdgpu_cs_destroy_syncobj(amdgpu_device_handle dev,
 			      uint32_t syncobj);
 
+/**
+ * Reset kernel sync objects to unsignalled state.
+ *
+ * \param dev           - \c [in] device handle
+ * \param syncobjs      - \c [in] array of sync object handles
+ * \param syncobj_count - \c [in] number of handles in syncobjs
+ *
+ * \return   0 on success\n
+ *          <0 - Negative POSIX Error code
+ *
+*/
+int amdgpu_cs_syncobj_reset(amdgpu_device_handle dev,
+			    const uint32_t *syncobjs, uint32_t syncobj_count);
+
+/**
+ * Signal kernel sync objects.
+ *
+ * \param dev           - \c [in] device handle
+ * \param syncobjs      - \c [in] array of sync object handles
+ * \param syncobj_count - \c [in] number of handles in syncobjs
+ *
+ * \return   0 on success\n
+ *          <0 - Negative POSIX Error code
+ *
+*/
+int amdgpu_cs_syncobj_signal(amdgpu_device_handle dev,
+			     const uint32_t *syncobjs, uint32_t syncobj_count);
+
 /**
  *  Wait for one or all sync objects to signal.
  *
diff --git a/amdgpu/amdgpu_cs.c b/amdgpu/amdgpu_cs.c
index 9e157a84..987daa40 100644
--- a/amdgpu/amdgpu_cs.c
+++ b/amdgpu/amdgpu_cs.c
@@ -634,6 +634,24 @@  int amdgpu_cs_destroy_syncobj(amdgpu_device_handle dev,
 	return drmSyncobjDestroy(dev->fd, handle);
 }
 
+int amdgpu_cs_syncobj_reset(amdgpu_device_handle dev,
+			    const uint32_t *syncobjs, uint32_t syncobj_count)
+{
+	if (NULL == dev)
+		return -EINVAL;
+
+	return drmSyncobjReset(dev->fd, syncobjs, syncobj_count);
+}
+
+int amdgpu_cs_syncobj_signal(amdgpu_device_handle dev,
+			     const uint32_t *syncobjs, uint32_t syncobj_count)
+{
+	if (NULL == dev)
+		return -EINVAL;
+
+	return drmSyncobjSignal(dev->fd, syncobjs, syncobj_count);
+}
+
 int amdgpu_cs_syncobj_wait(amdgpu_device_handle dev,
 			   uint32_t *handles, unsigned num_handles,
 			   int64_t timeout_nsec, unsigned flags,