drm/amdgpu/mes: allocate memory slots for hw resource setting

Pass a piece of memory to MES ucode to fill contents.
Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/mes_v10_1.c

@@ -562,6 +562,35 @@ static int mes_v10_1_allocate_eop_buf(struct amdgpu_device *adev)
 	return 0;
 }
 
+static int mes_v10_1_allocate_mem_slots(struct amdgpu_device *adev)
+{
+	int r;
+
+	r = amdgpu_device_wb_get(adev, &adev->mes.sch_ctx_offs);
+	if (r) {
+		dev_err(adev->dev,
+			"(%d) mes sch_ctx_offs wb alloc failed\n", r);
+		return r;
+	}
+	adev->mes.sch_ctx_gpu_addr =
+		adev->wb.gpu_addr + (adev->mes.sch_ctx_offs * 4);
+	adev->mes.sch_ctx_ptr =
+		(uint64_t *)&adev->wb.wb[adev->mes.sch_ctx_offs];
+
+	r = amdgpu_device_wb_get(adev, &adev->mes.query_status_fence_offs);
+	if (r) {
+		dev_err(adev->dev,
+			"(%d) query_status_fence_offs wb alloc failed\n", r);
+		return r;
+	}
+	adev->mes.query_status_fence_gpu_addr =
+		adev->wb.gpu_addr + (adev->mes.query_status_fence_offs * 4);
+	adev->mes.query_status_fence_ptr =
+		(uint64_t *)&adev->wb.wb[adev->mes.query_status_fence_offs];
+
+	return 0;
+}
+
 static int mes_v10_1_mqd_init(struct amdgpu_ring *ring)
 {
 	struct amdgpu_device *adev = ring->adev;
@@ -876,6 +905,10 @@ static int mes_v10_1_sw_init(void *handle)
 	if (r)
 		return r;
 
+	r = mes_v10_1_allocate_mem_slots(adev);
+	if (r)
+		return r;
+
 	return 0;
 }
 
@@ -883,6 +916,9 @@ static int mes_v10_1_sw_fini(void *handle)
 {
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
+	amdgpu_device_wb_free(adev, adev->mes.sch_ctx_offs);
+	amdgpu_device_wb_free(adev, adev->mes.query_status_fence_offs);
+
 	kfree(adev->mes.mqd_backup);
 
 	amdgpu_bo_free_kernel(&adev->mes.ring.mqd_obj,