From: Jack Xiao <[email protected]>

For new submission ib, CE/DE metadata should be programmed to 0;
for partially execution ib, CE/DE metadata should be restored.

Acked-by: Alex Deucher <[email protected]>
Reviewed-by: Hawking Zhang <[email protected]>
Signed-off-by: Jack Xiao <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c  | 1 +
 drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c
index f660628e6af9..35a8d3c96fc9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c
@@ -47,6 +47,7 @@ int amdgpu_allocate_static_csa(struct amdgpu_device *adev, 
struct amdgpu_bo **bo
                return -ENOMEM;
 
        memset(ptr, 0, size);
+       adev->virt.csa_cpu_addr = ptr;
        return 0;
 }
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
index dca25deee75c..f5107731e9c4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.h
@@ -253,6 +253,7 @@ typedef struct amdgim_vf2pf_info_v2 amdgim_vf2pf_info ;
 struct amdgpu_virt {
        uint32_t                        caps;
        struct amdgpu_bo                *csa_obj;
+       void                            *csa_cpu_addr;
        bool chained_ib_support;
        uint32_t                        reg_val_offs;
        struct amdgpu_irq_src           ack_irq;
-- 
2.20.1

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