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drm/amdgpu: Add SRIOV crit_region_version support

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1. Added enum amd_sriov_crit_region_version to support multi versions
2. Added logic in SRIOV mailbox to regonize crit_region version during
   req_gpu_init_data

Signed-off-by: Ellen Pan <yunru.pan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Ellen Pan
2025-10-07 09:46:16 -05:00
committed by Alex Deucher
parent d88c8bec18
commit 6d2191d226
4 changed files with 32 additions and 9 deletions
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5
drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
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@@ -150,9 +150,10 @@ void amdgpu_virt_request_init_data(struct amdgpu_device *adev)
virt->ops->req_init_data(adev);
if (adev->virt.req_init_data_ver > 0)
DRM_INFO("host supports REQ_INIT_DATA handshake\n");
dev_info(adev->dev, "host supports REQ_INIT_DATA handshake of critical_region_version %d\n",
adev->virt.req_init_data_ver);
else
DRM_WARN("host doesn't support REQ_INIT_DATA handshake\n");
dev_warn(adev->dev, "host doesn't support REQ_INIT_DATA handshake\n");
}
/**