diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h index 0af090667dfc..bae77353447b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h @@ -73,6 +73,16 @@ struct amdgpu_bo_list_entry; #define AMDGPU_PTE_MTYPE(a) ((uint64_t)a << 57) #define AMDGPU_PTE_MTYPE_MASK AMDGPU_PTE_MTYPE(3ULL) +/* For Raven */ +#define AMDGPU_MTYPE_CC 2 + +#define AMDGPU_PTE_DEFAULT_ATC (AMDGPU_PTE_SYSTEM \ + | AMDGPU_PTE_SNOOPED \ + | AMDGPU_PTE_EXECUTABLE \ + | AMDGPU_PTE_READABLE \ + | AMDGPU_PTE_WRITEABLE \ + | AMDGPU_PTE_MTYPE(AMDGPU_MTYPE_CC)) + /* How to programm VM fault handling */ #define AMDGPU_VM_FAULT_STOP_NEVER 0 #define AMDGPU_VM_FAULT_STOP_FIRST 1 @@ -84,7 +94,8 @@ struct amdgpu_bo_list_entry; #define AMDGPU_MMHUB 1 /* hardcode that limit for now */ -#define AMDGPU_VA_RESERVED_SIZE (8 << 20) +#define AMDGPU_VA_RESERVED_SIZE (8ULL << 20) + /* max vmids dedicated for process */ #define AMDGPU_VM_MAX_RESERVED_VMID 1 @@ -165,8 +176,11 @@ struct amdgpu_vm { /* Flag to indicate ATS support from PTE for GFX9 */ bool pte_support_ats; - /* Up to 128 pending page faults */ + /* Up to 128 pending retry page faults */ DECLARE_KFIFO(faults, u64, 128); + + /* Limit non-retry fault storms */ + unsigned int fault_credit; }; struct amdgpu_vm_id { @@ -244,6 +258,8 @@ void amdgpu_vm_manager_fini(struct amdgpu_device *adev); int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm, int vm_context, unsigned int pasid); void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm); +bool amdgpu_vm_pasid_fault_credit(struct amdgpu_device *adev, + unsigned int pasid); void amdgpu_vm_get_pd_bo(struct amdgpu_vm *vm, struct list_head *validated, struct amdgpu_bo_list_entry *entry); |