Am 14.11.18 um 09:23 schrieb Trigger Huang:
When TDR happened on SR-IOV VF, the host Hypervisor may has already
done the VF FLR, then, the re-initialization flow in KMD is a must.
The same logic is in amdgpu_device_ip_check_soft_reset, too
NAK, this is only called in the timeout code path and not when the
Hypervisor signals a FLR.
Christian.
Signed-off-by: Trigger Huang <Trigger.Huang@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index 5b75bdc..14bd67a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -397,6 +397,9 @@ bool amdgpu_ring_soft_recovery(struct amdgpu_ring *ring, unsigned int vmid,
{
ktime_t deadline = ktime_add_us(ktime_get(), 10000);
+ if (amdgpu_sriov_vf(ring->adev))
+ return false;
+
if (!ring->funcs->soft_recovery)
return false;
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