diff options
Diffstat (limited to 'meta-r1000/recipes-kernel/linux/linux-yocto-4.14.71/4157-drm-amdkfd-signal-hw_exception-event-on-GPU-reset.patch')
| -rw-r--r-- | meta-r1000/recipes-kernel/linux/linux-yocto-4.14.71/4157-drm-amdkfd-signal-hw_exception-event-on-GPU-reset.patch | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/meta-r1000/recipes-kernel/linux/linux-yocto-4.14.71/4157-drm-amdkfd-signal-hw_exception-event-on-GPU-reset.patch b/meta-r1000/recipes-kernel/linux/linux-yocto-4.14.71/4157-drm-amdkfd-signal-hw_exception-event-on-GPU-reset.patch deleted file mode 100644 index 84f38194..00000000 --- a/meta-r1000/recipes-kernel/linux/linux-yocto-4.14.71/4157-drm-amdkfd-signal-hw_exception-event-on-GPU-reset.patch +++ /dev/null @@ -1,82 +0,0 @@ -From a8850728a13479e09bde246d3399c8ccc90a48bc Mon Sep 17 00:00:00 2001 -From: Shaoyun Liu <Shaoyun.Liu@amd.com> -Date: Tue, 3 Apr 2018 16:11:00 -0400 -Subject: [PATCH 4157/5725] drm/amdkfd: signal hw_exception event on GPU reset - -Change-Id: I8fae18208103920796f81858f359a9cec563125c -Signed-off-by: Shaoyun Liu <Shaoyun.Liu@amd.com> -Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com> -Signed-off-by: Kalyan Alle <kalyan.alle@amd.com> ---- - drivers/gpu/drm/amd/amdkfd/kfd_events.c | 24 +++++++++++++++++++++++- - drivers/gpu/drm/amd/amdkfd/kfd_events.h | 1 + - include/uapi/linux/kfd_ioctl.h | 8 ++++++++ - 3 files changed, 32 insertions(+), 1 deletion(-) - -diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_events.c b/drivers/gpu/drm/amd/amdkfd/kfd_events.c -index 09c1c31..24d8a21 100644 ---- a/drivers/gpu/drm/amd/amdkfd/kfd_events.c -+++ b/drivers/gpu/drm/amd/amdkfd/kfd_events.c -@@ -1012,5 +1012,27 @@ void kfd_signal_vm_fault_event(struct kfd_dev *dev, unsigned int pasid, - - void kfd_signal_reset_event(struct kfd_dev *dev) - { -- /*todo*/ -+ struct kfd_hsa_hw_exception_data hw_exception_data; -+ struct kfd_process *p; -+ struct kfd_event *ev; -+ unsigned int temp; -+ uint32_t id, idx; -+ -+ /* Whole gpu reset caused by GPU hang , and memory is lost */ -+ memset(&hw_exception_data, 0, sizeof(hw_exception_data)); -+ hw_exception_data.gpu_id = dev->id; -+ hw_exception_data.memory_lost = 1; -+ -+ idx = srcu_read_lock(&kfd_processes_srcu); -+ hash_for_each_rcu(kfd_processes_table, temp, p, kfd_processes) { -+ mutex_lock(&p->event_mutex); -+ id = KFD_FIRST_NONSIGNAL_EVENT_ID; -+ idr_for_each_entry_continue(&p->event_idr, ev, id) -+ if (ev->type == KFD_EVENT_TYPE_HW_EXCEPTION) { -+ ev->hw_exception_data = hw_exception_data; -+ set_event(ev); -+ } -+ mutex_unlock(&p->event_mutex); -+ } -+ srcu_read_unlock(&kfd_processes_srcu, idx); - } -diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_events.h b/drivers/gpu/drm/amd/amdkfd/kfd_events.h -index abca5bf..c7ac6c7 100644 ---- a/drivers/gpu/drm/amd/amdkfd/kfd_events.h -+++ b/drivers/gpu/drm/amd/amdkfd/kfd_events.h -@@ -66,6 +66,7 @@ struct kfd_event { - /* type specific data */ - union { - struct kfd_hsa_memory_exception_data memory_exception_data; -+ struct kfd_hsa_hw_exception_data hw_exception_data; - }; - }; - -diff --git a/include/uapi/linux/kfd_ioctl.h b/include/uapi/linux/kfd_ioctl.h -index ec0574e..85d833e 100644 ---- a/include/uapi/linux/kfd_ioctl.h -+++ b/include/uapi/linux/kfd_ioctl.h -@@ -251,6 +251,14 @@ struct kfd_hsa_memory_exception_data { - uint32_t pad; - }; - -+/* hw exception data */ -+struct kfd_hsa_hw_exception_data { -+ uint32_t reset_type; -+ uint32_t reset_cause; -+ uint32_t memory_lost; -+ uint32_t gpu_id; -+}; -+ - /* Event data */ - struct kfd_event_data { - union { --- -2.7.4 - |