diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c | 35 |
1 files changed, 27 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c index f836897bbf58..a85904ad0d5f 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_int_process_v9.c @@ -23,7 +23,7 @@ #include "kfd_priv.h" #include "kfd_events.h" #include "soc15_int.h" - +#include "kfd_device_queue_manager.h" static bool event_interrupt_isr_v9(struct kfd_dev *dev, const uint32_t *ih_ring_entry, @@ -39,20 +39,39 @@ static bool event_interrupt_isr_v9(struct kfd_dev *dev, 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; - 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); + + /* 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; - pr_debug("client id 0x%x, source id %d, pasid 0x%x. raw data:\n", - client_id, source_id, pasid); + *patched_flag = true; + memcpy(patched_ihre, ih_ring_entry, + dev->device_info->ih_ring_entry_size); + + pasid = dev->kfd2kgd->get_atc_vmid_pasid_mapping_pasid( + dev->kgd, 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 0; + /* Interrupt types we care about: various signals and faults. * They will be forwarded to a work queue (see below). */ |