From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt
---
kernel/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c | 40 +++++++++++++++++++++++++++++++---------
1 files changed, 31 insertions(+), 9 deletions(-)
diff --git a/kernel/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c b/kernel/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c
index f836897..241bd6f 100644
--- a/kernel/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c
+++ b/kernel/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c
@@ -23,7 +23,8 @@
#include "kfd_priv.h"
#include "kfd_events.h"
#include "soc15_int.h"
-
+#include "kfd_device_queue_manager.h"
+#include "kfd_smi_events.h"
static bool event_interrupt_isr_v9(struct kfd_dev *dev,
const uint32_t *ih_ring_entry,
@@ -37,21 +38,39 @@
vmid = SOC15_VMID_FROM_IH_ENTRY(ih_ring_entry);
if (vmid < dev->vm_info.first_vmid_kfd ||
vmid > dev->vm_info.last_vmid_kfd)
- return 0;
-
- /* If there is no valid PASID, it's likely a firmware bug */
- pasid = SOC15_PASID_FROM_IH_ENTRY(ih_ring_entry);
- if (WARN_ONCE(pasid == 0, "FW bug: No PASID in KFD interrupt"))
- return 0;
+ return false;
source_id = SOC15_SOURCE_ID_FROM_IH_ENTRY(ih_ring_entry);
client_id = SOC15_CLIENT_ID_FROM_IH_ENTRY(ih_ring_entry);
+ pasid = SOC15_PASID_FROM_IH_ENTRY(ih_ring_entry);
- pr_debug("client id 0x%x, source id %d, pasid 0x%x. raw data:\n",
- client_id, source_id, pasid);
+ /* This is a known issue for gfx9. Under non HWS, pasid is not set
+ * in the interrupt payload, so we need to find out the pasid on our
+ * own.
+ */
+ if (!pasid && dev->dqm->sched_policy == KFD_SCHED_POLICY_NO_HWS) {
+ const uint32_t pasid_mask = 0xffff;
+
+ *patched_flag = true;
+ memcpy(patched_ihre, ih_ring_entry,
+ dev->device_info->ih_ring_entry_size);
+
+ pasid = dev->dqm->vmid_pasid[vmid];
+
+ /* Patch the pasid field */
+ patched_ihre[3] = cpu_to_le32((le32_to_cpu(patched_ihre[3])
+ & ~pasid_mask) | pasid);
+ }
+
+ pr_debug("client id 0x%x, source id %d, vmid %d, pasid 0x%x. raw data:\n",
+ client_id, source_id, vmid, pasid);
pr_debug("%8X, %8X, %8X, %8X, %8X, %8X, %8X, %8X.\n",
data[0], data[1], data[2], data[3],
data[4], data[5], data[6], data[7]);
+
+ /* If there is no valid PASID, it's likely a bug */
+ if (WARN_ONCE(pasid == 0, "Bug: No PASID in KFD interrupt"))
+ return false;
/* Interrupt types we care about: various signals and faults.
* They will be forwarded to a work queue (see below).
@@ -61,6 +80,7 @@
source_id == SOC15_INTSRC_SQ_INTERRUPT_MSG ||
source_id == SOC15_INTSRC_CP_BAD_OPCODE ||
client_id == SOC15_IH_CLIENTID_VMC ||
+ client_id == SOC15_IH_CLIENTID_VMC1 ||
client_id == SOC15_IH_CLIENTID_UTCL2;
}
@@ -85,6 +105,7 @@
else if (source_id == SOC15_INTSRC_CP_BAD_OPCODE)
kfd_signal_hw_exception_event(pasid);
else if (client_id == SOC15_IH_CLIENTID_VMC ||
+ client_id == SOC15_IH_CLIENTID_VMC1 ||
client_id == SOC15_IH_CLIENTID_UTCL2) {
struct kfd_vm_fault_info info = {0};
uint16_t ring_id = SOC15_RING_ID_FROM_IH_ENTRY(ih_ring_entry);
@@ -97,6 +118,7 @@
info.prot_read = ring_id & 0x10;
info.prot_write = ring_id & 0x20;
+ kfd_smi_event_update_vmfault(dev, pasid);
kfd_process_vm_fault(dev->dqm, pasid);
kfd_signal_vm_fault_event(dev, pasid, &info);
}
--
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