drm/amdgpu/mes10.1: implement removing hardware queue

The routine is implemented to generate mes command to remove
a specified hardware queue.

Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c b/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c
index e1c0443..bd986e5 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c
@@ -165,7 +165,24 @@ static int mes_v10_1_add_hw_queue(struct amdgpu_mes *mes,
 static int mes_v10_1_remove_hw_queue(struct amdgpu_mes *mes,
                                     struct mes_remove_queue_input *input)
 {
-       return 0;
+       union MESAPI__REMOVE_QUEUE mes_remove_queue_pkt;
+
+       memset(&mes_remove_queue_pkt, 0, sizeof(mes_remove_queue_pkt));
+
+       mes_remove_queue_pkt.header.type = MES_API_TYPE_SCHEDULER;
+       mes_remove_queue_pkt.header.opcode = MES_SCH_API_REMOVE_QUEUE;
+       mes_remove_queue_pkt.header.dwsize = API_FRAME_SIZE_IN_DWORDS;
+
+       mes_remove_queue_pkt.doorbell_offset = input->doorbell_offset;
+       mes_remove_queue_pkt.gang_context_addr = input->gang_context_addr;
+
+       mes_remove_queue_pkt.api_status.api_completion_fence_addr =
+               mes->ring.fence_drv.gpu_addr;
+       mes_remove_queue_pkt.api_status.api_completion_fence_value =
+               ++mes->ring.fence_drv.sync_seq;
+
+       return mes_v10_1_submit_pkt_and_poll_completion(mes,
+                       &mes_remove_queue_pkt, sizeof(mes_remove_queue_pkt));
 }
 
 static int mes_v10_1_suspend_gang(struct amdgpu_mes *mes,