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drm/amdgpu: indirect register access for nv12 sriov

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get pf2vf msg info at it's earliest time so that
guest driver can use these info to decide whether
register indirect access enabled.

Signed-off-by: Peng Ju Zhou <PengJu.Zhou@amd.com>
Reviewed-by: Emily.Deng <Emily.Deng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Peng Ju Zhou 2021-03-29 15:47:20 +08:00 committed by Alex Deucher
parent 8b8a162da8
commit 77eabc6f59
2 changed files with 13 additions and 0 deletions
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5
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
View File

@ -2080,6 +2080,11 @@ static int amdgpu_device_ip_early_init(struct amdgpu_device *adev)
amdgpu_vf_error_put(adev, AMDGIM_ERROR_VF_ATOMBIOS_INIT_FAIL, 0, 0);
return r;
}
/*get pf2vf msg info at it's earliest time*/
if (amdgpu_sriov_vf(adev))
amdgpu_virt_init_data_exchange(adev);
}
}

8
drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
View File

@ -617,6 +617,14 @@ void amdgpu_virt_init_data_exchange(struct amdgpu_device *adev)
if (adev->virt.ras_init_done)
amdgpu_virt_add_bad_page(adev, bp_block_offset, bp_block_size);
}
} else if (adev->bios != NULL) {
adev->virt.fw_reserve.p_pf2vf =
(struct amd_sriov_msg_pf2vf_info_header *)
(adev->bios + (AMD_SRIOV_MSG_PF2VF_OFFSET_KB << 10));
amdgpu_virt_read_pf2vf_data(adev);
return;
}
if (adev->virt.vf2pf_update_interval_ms != 0) {