if host support new handshake we only need to enter
fullaccess_mode in ip_init() part, otherwise we need
to do it before reading vbios (becuase host prepares vbios
for VF only after received REQ_GPU_INIT event under
legacy handshake)

Signed-off-by: Monk Liu <[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 724ad84..b61161a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1814,10 +1814,14 @@ static int amdgpu_device_ip_early_init(struct 
amdgpu_device *adev)
                                return r;
                        }
                }
+       }
 
+       /* we need to send REQ_GPU here for legacy handshaker otherwise the 
vbios
+        * will not be prepared by host for this VF */
+       if (amdgpu_sriov_vf(adev) && adev->virt.req_init_data_ver < 1) {
                r = amdgpu_virt_request_full_gpu(adev, true);
                if (r)
-                       return -EAGAIN;
+                       return r;
        }
 
        adev->pm.pp_feature = amdgpu_pp_feature_mask;
@@ -1977,6 +1981,12 @@ static int amdgpu_device_ip_init(struct amdgpu_device 
*adev)
        if (r)
                return r;
 
+       if (amdgpu_sriov_vf(adev) && adev->virt.req_init_data_ver > 0) {
+               r = amdgpu_virt_request_full_gpu(adev, true);
+               if (r)
+                       return -EAGAIN;
+       }
+
        for (i = 0; i < adev->num_ip_blocks; i++) {
                if (!adev->ip_blocks[i].status.valid)
                        continue;
-- 
2.7.4

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