amdgpu : move management of user fence from libdrm to UMD
Signed-off-by: Ken Wang <Qingqing.Wang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
diff --git a/amdgpu/amdgpu.h b/amdgpu/amdgpu.h
index 7631968..125377c 100644
--- a/amdgpu/amdgpu.h
+++ b/amdgpu/amdgpu.h
@@ -311,6 +311,20 @@
};
/**
+ * Structure describing fence information
+ *
+ * \sa amdgpu_cs_request, amdgpu_cs_query_fence,
+ * amdgpu_cs_submit(), amdgpu_cs_query_fence_status()
+*/
+struct amdgpu_cs_fence_info {
+ /** buffer object for the fence */
+ amdgpu_bo_handle handle;
+
+ /** fence offset in the unit of sizeof(uint64_t) */
+ uint64_t offset;
+};
+
+/**
* Structure describing submission request
*
* \note We could have several IBs as packet. e.g. CE, CE, DE case for gfx
@@ -357,6 +371,16 @@
* IBs to submit. Those IBs will be submit together as single entity
*/
struct amdgpu_cs_ib_info *ibs;
+
+ /**
+ * The returned sequence number for the command submission
+ */
+ uint64_t seq_no;
+
+ /**
+ * The fence information
+ */
+ struct amdgpu_cs_fence_info fence_info;
};
/**
@@ -841,22 +865,20 @@
* from the same GPU context to the same ip:ip_instance:ring will be executed in
* order.
*
+ * The caller can specify the user fence buffer/location with the fence_info in the
+ * cs_request.The sequence number is returned via the 'seq_no' paramter
+ * in ibs_request structure.
+ *
*
* \param dev - \c [in] Device handle.
* See #amdgpu_device_initialize()
* \param context - \c [in] GPU Context
* \param flags - \c [in] Global submission flags
- * \param ibs_request - \c [in] Pointer to submission requests.
+ * \param ibs_request - \c [in/out] Pointer to submission requests.
* We could submit to the several
* engines/rings simulteniously as
* 'atomic' operation
* \param number_of_requests - \c [in] Number of submission requests
- * \param fences - \c [out] Pointer to array of data to get
- * fences to identify submission
- * requests. Timestamps are valid
- * in this GPU context and could be used
- * to identify/detect completion of
- * submission request
*
* \return 0 on success\n
* <0 - Negative POSIX Error code
@@ -873,8 +895,7 @@
int amdgpu_cs_submit(amdgpu_context_handle context,
uint64_t flags,
struct amdgpu_cs_request *ibs_request,
- uint32_t number_of_requests,
- uint64_t *fences);
+ uint32_t number_of_requests);
/**
* Query status of Command Buffer Submission