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path: root/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/vega10_ih.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/vega10_ih.c87
1 files changed, 1 insertions, 86 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
index a0fda6f9252a..2c250b01a903 100644
--- a/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
+++ b/drivers/gpu/drm/amd/amdgpu/vega10_ih.c
@@ -220,90 +220,6 @@ static u32 vega10_ih_get_wptr(struct amdgpu_device *adev)
}
/**
- * vega10_ih_prescreen_iv - prescreen an interrupt vector
- *
- * @adev: amdgpu_device pointer
- *
- * Returns true if the interrupt vector should be further processed.
- */
-static bool vega10_ih_prescreen_iv(struct amdgpu_device *adev)
-{
- u32 ring_index = adev->irq.ih.rptr >> 2;
- u32 dw0, dw3, dw4, dw5;
- u16 pasid;
- u64 addr, key;
- struct amdgpu_vm *vm;
- int r;
-
- dw0 = le32_to_cpu(adev->irq.ih.ring[ring_index + 0]);
- dw3 = le32_to_cpu(adev->irq.ih.ring[ring_index + 3]);
- dw4 = le32_to_cpu(adev->irq.ih.ring[ring_index + 4]);
- dw5 = le32_to_cpu(adev->irq.ih.ring[ring_index + 5]);
-
- /* Filter retry page faults, let only the first one pass. If
- * there are too many outstanding faults, ignore them until
- * some faults get cleared.
- */
- switch (dw0 & 0xff) {
- case SOC15_IH_CLIENTID_VMC:
- case SOC15_IH_CLIENTID_UTCL2:
- break;
- default:
- /* Not a VM fault */
- return true;
- }
-
- pasid = dw3 & 0xffff;
- /* No PASID, can't identify faulting process */
- if (!pasid)
- return true;
-
- /* Not a retry fault, check fault credit */
- if (!(dw5 & 0x80)) {
- if (!amdgpu_vm_pasid_fault_credit(adev, pasid))
- goto ignore_iv;
- return true;
- }
-
- /* Track retry faults in per-VM fault FIFO. */
- spin_lock(&adev->vm_manager.pasid_lock);
- vm = idr_find(&adev->vm_manager.pasid_idr, pasid);
- addr = ((u64)(dw5 & 0xf) << 44) | ((u64)dw4 << 12);
- key = AMDGPU_VM_FAULT(pasid, addr);
- if (!vm) {
- /* VM not found, process it normally */
- spin_unlock(&adev->vm_manager.pasid_lock);
- return true;
- } else {
- r = amdgpu_vm_add_fault(vm->fault_hash, key);
-
- /* Hash table is full or the fault is already being processed,
- * ignore further page faults
- */
- if (r != 0) {
- spin_unlock(&adev->vm_manager.pasid_lock);
- goto ignore_iv;
- }
- }
- /* No locking required with single writer and single reader */
- r = kfifo_put(&vm->faults, key);
- if (!r) {
- /* FIFO is full. Ignore it until there is space */
- amdgpu_vm_clear_fault(vm->fault_hash, key);
- spin_unlock(&adev->vm_manager.pasid_lock);
- goto ignore_iv;
- }
-
- spin_unlock(&adev->vm_manager.pasid_lock);
- /* It's the first fault for this address, process it normally */
- return true;
-
-ignore_iv:
- adev->irq.ih.rptr += 32;
- return false;
-}
-
-/**
* vega10_ih_decode_iv - decode an interrupt vector
*
* @adev: amdgpu_device pointer
@@ -385,7 +301,7 @@ static int vega10_ih_sw_init(void *handle)
return r;
adev->irq.ih.use_doorbell = true;
- adev->irq.ih.doorbell_index = AMDGPU_DOORBELL64_IH << 1;
+ adev->irq.ih.doorbell_index = adev->doorbell_index.ih << 1;
r = amdgpu_irq_init(adev);
@@ -487,7 +403,6 @@ const struct amd_ip_funcs vega10_ih_ip_funcs = {
static const struct amdgpu_ih_funcs vega10_ih_funcs = {
.get_wptr = vega10_ih_get_wptr,
- .prescreen_iv = vega10_ih_prescreen_iv,
.decode_iv = vega10_ih_decode_iv,
.set_rptr = vega10_ih_set_rptr
};