[PATCH 071/207] drm/amdgpu/mes10.1: implement querying the scheduler status

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From: Jack Xiao <Jack.Xiao@xxxxxxx>

The routine is implemented to generate mes command
to query the status of hardware scheduler.

Signed-off-by: Jack Xiao <Jack.Xiao@xxxxxxx>
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>
Reviewed-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/mes_v10_1.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c b/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c
index bd986e5fa474..27374561ff4d 100644
--- a/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c
@@ -197,6 +197,25 @@ static int mes_v10_1_resume_gang(struct amdgpu_mes *mes,
 	return 0;
 }
 
+static int mes_v10_1_query_sched_status(struct amdgpu_mes *mes)
+{
+	union MESAPI__QUERY_MES_STATUS mes_status_pkt;
+
+	memset(&mes_status_pkt, 0, sizeof(mes_status_pkt));
+
+	mes_status_pkt.header.type = MES_API_TYPE_SCHEDULER;
+	mes_status_pkt.header.opcode = MES_SCH_API_QUERY_SCHEDULER_STATUS;
+	mes_status_pkt.header.dwsize = API_FRAME_SIZE_IN_DWORDS;
+
+	mes_status_pkt.api_status.api_completion_fence_addr =
+		mes->ring.fence_drv.gpu_addr;
+	mes_status_pkt.api_status.api_completion_fence_value =
+		++mes->ring.fence_drv.sync_seq;
+
+	return mes_v10_1_submit_pkt_and_poll_completion(mes,
+			&mes_status_pkt, sizeof(mes_status_pkt));
+}
+
 static const struct amdgpu_mes_funcs mes_v10_1_funcs = {
 	.add_hw_queue = mes_v10_1_add_hw_queue,
 	.remove_hw_queue = mes_v10_1_remove_hw_queue,
-- 
2.25.4

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