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drm/amdgpu/sriov:Correct pfvf exchange logic 

The pfvf exchange need be in exclusive mode. And add pfvf exchange in gpu
reset.

Signed-off-by: Emily Deng <Emily.Deng@amd.com>
Reviewed-By: Xiangliang Yu <Xiangliang.Yu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
hifive-unleashed-5.1
Emily Deng 2018-12-29 17:46:05 +08:00 committed by Alex Deucher
parent c27c9778a1
commit d3c117e564
2 changed files with 5 additions and 5 deletions
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8
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
View File

@ -1701,8 +1701,10 @@ static int amdgpu_device_ip_init(struct amdgpu_device *adev)
amdgpu_xgmi_add_device(adev);
amdgpu_amdkfd_device_init(adev);
if (amdgpu_sriov_vf(adev))
if (amdgpu_sriov_vf(adev)) {
amdgpu_virt_init_data_exchange(adev);
amdgpu_virt_release_full_gpu(adev, true);
}
return 0;
}
@ -2632,9 +2634,6 @@ fence_driver_init:
goto failed;
}
if (amdgpu_sriov_vf(adev))
amdgpu_virt_init_data_exchange(adev);
amdgpu_fbdev_init(adev);
r = amdgpu_pm_sysfs_init(adev);
@ -3226,6 +3225,7 @@ static int amdgpu_device_reset_sriov(struct amdgpu_device *adev,
r = amdgpu_ib_ring_tests(adev);
error:
amdgpu_virt_init_data_exchange(adev);
amdgpu_virt_release_full_gpu(adev, true);
if (!r && adev->virt.gim_feature & AMDGIM_FEATURE_GIM_FLR_VRAMLOST) {
atomic_inc(&adev->vram_lost_counter);

2
drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c
View File

@ -174,7 +174,7 @@ static int xgpu_ai_send_access_requests(struct amdgpu_device *adev,
return r;
}
/* Retrieve checksum from mailbox2 */
if (req == IDH_REQ_GPU_INIT_ACCESS) {
if (req == IDH_REQ_GPU_INIT_ACCESS || req == IDH_REQ_GPU_RESET_ACCESS) {
adev->virt.fw_reserve.checksum_key =
RREG32_NO_KIQ(SOC15_REG_OFFSET(NBIO, 0,
mmBIF_BX_PF0_MAILBOX_MSGBUF_RCV_DW2));