diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 030272eeb71d..d03792d270c2 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -525,14 +525,29 @@ static int gmc_v9_0_process_interrupt(struct amdgpu_device *adev, addr = (u64)entry->src_data[0] << 12; addr |= ((u64)entry->src_data[1] & 0xf) << 44; - if (retry_fault && amdgpu_gmc_filter_faults(adev, addr, entry->pasid, - entry->timestamp)) - return 1; /* This also prevents sending it to KFD */ + if (retry_fault) { + /* Returning 1 here also prevents sending the IV to the KFD */ - /* If it's the first fault for this address, process it normally */ - if (retry_fault && !in_interrupt() && - amdgpu_vm_handle_fault(adev, entry->pasid, addr)) - return 1; /* This also prevents sending it to KFD */ + /* Process it onyl if it's the first fault for this address */ + if (entry->ih != &adev->irq.ih_soft && + amdgpu_gmc_filter_faults(adev, addr, entry->pasid, + entry->timestamp)) + return 1; + + /* Delegate it to a different ring if the hardware hasn't + * already done it. + */ + if (in_interrupt()) { + amdgpu_irq_delegate(adev, entry, 8); + return 1; + } + + /* Try to handle the recoverable page faults by filling page + * tables + */ + if (amdgpu_vm_handle_fault(adev, entry->pasid, addr)) + return 1; + } if (!printk_ratelimit()) return 0;