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@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 5 +++++
drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 8 ++++++++
2 files changed, 13 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index a501d1a4d000..060d0ae99453 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -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);
+
}
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
index d9ffff8eb41d..b62f134d6dd5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
@@ -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) {
--
2.17.1
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