From 67becde546f9d4291028f11310fb3cabbb811f44 Mon Sep 17 00:00:00 2001
From: Jack Xiao <Jack.Xiao@amd.com>
Date: Fri, 27 Mar 2020 21:36:43 +0800
Subject: drm/amdgpu/mes: map ctx metadata for mes self test
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Git-commit: a22f760a02f80d140147de4b504bd7531b268e62
Patch-mainline: v5.19-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225

Map ctx metadata for mes self test.

Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c | 37 +++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
index 6c01581e3a7b..b440b36dd98a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c
@@ -882,3 +882,40 @@ void amdgpu_mes_ctx_free_meta_data(struct amdgpu_mes_ctx_data *ctx_data)
 	if (ctx_data->meta_data_obj)
 		amdgpu_bo_free_kernel(&ctx_data->meta_data_obj, NULL, NULL);
 }
+
+static int amdgpu_mes_test_map_ctx_meta_data(struct amdgpu_device *adev,
+				     struct amdgpu_vm *vm,
+				     struct amdgpu_mes_ctx_data *ctx_data)
+{
+	struct amdgpu_bo_va *meta_data_va = NULL;
+	uint64_t meta_data_addr = AMDGPU_VA_RESERVED_SIZE;
+	int r;
+
+	r = amdgpu_map_static_csa(adev, vm, ctx_data->meta_data_obj,
+				  &meta_data_va, meta_data_addr,
+				  sizeof(struct amdgpu_mes_ctx_meta_data));
+	if (r)
+		return r;
+
+	r = amdgpu_vm_bo_update(adev, meta_data_va, false);
+	if (r)
+		goto error;
+
+	r = amdgpu_vm_update_pdes(adev, vm, false);
+	if (r)
+		goto error;
+
+	dma_fence_wait(vm->last_update, false);
+	dma_fence_wait(meta_data_va->last_pt_update, false);
+
+	ctx_data->meta_data_gpu_addr = meta_data_addr;
+	ctx_data->meta_data_va = meta_data_va;
+
+	return 0;
+
+error:
+	BUG_ON(amdgpu_bo_reserve(ctx_data->meta_data_obj, true));
+	amdgpu_vm_bo_rmv(adev, meta_data_va);
+	amdgpu_bo_unreserve(ctx_data->meta_data_obj);
+	return r;
+}
-- 
2.38.1