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authorEmily Deng <Emily.Deng@amd.com>2018-12-29 17:46:05 +0800
committerAlex Deucher <alexander.deucher@amd.com>2019-01-14 15:04:24 -0500
commitd3c117e564bfbfe3c4568aca136be3880ddf4200 (patch)
treec8b0eb347f35be8ed955658d4b57a013be53ddea /drivers/gpu/drm
parentc27c9778a19e050628689d03604941c7039685a3 (diff)
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>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c8
-rw-r--r--drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c2
2 files changed, 5 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 98df8e4704eb..7ff3a28fc903 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -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);
diff --git a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c
index 8cbb4655896a..b11a1c17a7f2 100644
--- a/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c
+++ b/drivers/gpu/drm/amd/amdgpu/mxgpu_ai.c
@@ -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));