Add API for resetting user queues.

Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/mes_v11_0.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c 
b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
index afcc10e21f6c..afb40d70e41e 100644
--- a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
@@ -360,6 +360,26 @@ static int mes_v11_0_remove_hw_queue(struct amdgpu_mes 
*mes,
                        offsetof(union MESAPI__REMOVE_QUEUE, api_status));
 }
 
+static int mes_v11_0_reset_hw_queue(struct amdgpu_mes *mes,
+                                   struct mes_reset_queue_input *input)
+{
+       union MESAPI__RESET mes_reset_queue_pkt;
+
+       memset(&mes_reset_queue_pkt, 0, sizeof(mes_reset_queue_pkt));
+
+       mes_reset_queue_pkt.header.type = MES_API_TYPE_SCHEDULER;
+       mes_reset_queue_pkt.header.opcode = MES_SCH_API_RESET;
+       mes_reset_queue_pkt.header.dwsize = API_FRAME_SIZE_IN_DWORDS;
+
+       mes_reset_queue_pkt.doorbell_offset = input->doorbell_offset;
+       mes_reset_queue_pkt.gang_context_addr = input->gang_context_addr;
+       /*mes_reset_queue_pkt.reset_queue_only = 1;*/
+
+       return mes_v11_0_submit_pkt_and_poll_completion(mes,
+                       &mes_reset_queue_pkt, sizeof(mes_reset_queue_pkt),
+                       offsetof(union MESAPI__REMOVE_QUEUE, api_status));
+}
+
 static int mes_v11_0_map_legacy_queue(struct amdgpu_mes *mes,
                                      struct mes_map_legacy_queue_input *input)
 {
@@ -638,6 +658,7 @@ static const struct amdgpu_mes_funcs mes_v11_0_funcs = {
        .resume_gang = mes_v11_0_resume_gang,
        .misc_op = mes_v11_0_misc_op,
        .reset_legacy_queue = mes_v11_0_reset_legacy_queue,
+       .reset_hw_queue = mes_v11_0_reset_hw_queue,
 };
 
 static int mes_v11_0_allocate_ucode_buffer(struct amdgpu_device *adev,
-- 
2.45.2

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