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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h31
1 files changed, 28 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index e1d951ece433..936f158bc5ec 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -84,6 +84,16 @@ struct amdgpu_bo_list_entry;
/* hardcode that limit for now */
#define AMDGPU_VA_RESERVED_SIZE (8 << 20)
+/* max vmids dedicated for process */
+#define AMDGPU_VM_MAX_RESERVED_VMID 1
+
+#define AMDGPU_VM_CONTEXT_GFX 0
+#define AMDGPU_VM_CONTEXT_COMPUTE 1
+
+/* See vm_update_mode */
+#define AMDGPU_VM_USE_CPU_FOR_GFX (1 << 0)
+#define AMDGPU_VM_USE_CPU_FOR_COMPUTE (1 << 1)
+
struct amdgpu_vm_pt {
struct amdgpu_bo *bo;
@@ -123,8 +133,13 @@ struct amdgpu_vm {
/* client id */
u64 client_id;
+ /* dedicated to vm */
+ struct amdgpu_vm_id *reserved_vmid[AMDGPU_MAX_VMHUBS];
/* each VM will map on CSA */
struct amdgpu_bo_va *csa_bo_va;
+
+ /* Flag to indicate if VM tables are updated by CPU or GPU (SDMA) */
+ bool use_cpu_for_update;
};
struct amdgpu_vm_id {
@@ -152,6 +167,7 @@ struct amdgpu_vm_id_manager {
unsigned num_ids;
struct list_head ids_lru;
struct amdgpu_vm_id ids[AMDGPU_NUM_VM];
+ atomic_t reserved_vmid_num;
};
struct amdgpu_vm_manager {
@@ -168,8 +184,6 @@ struct amdgpu_vm_manager {
uint32_t block_size;
/* vram base address for page table entry */
u64 vram_base_offset;
- /* is vm enabled? */
- bool enabled;
/* vm pte handling */
const struct amdgpu_vm_pte_funcs *vm_pte_funcs;
struct amdgpu_ring *vm_pte_rings[AMDGPU_MAX_RINGS];
@@ -181,11 +195,18 @@ struct amdgpu_vm_manager {
/* partial resident texture handling */
spinlock_t prt_lock;
atomic_t num_prt_users;
+
+ /* controls how VM page tables are updated for Graphics and Compute.
+ * BIT0[= 0] Graphics updated by SDMA [= 1] by CPU
+ * BIT1[= 0] Compute updated by SDMA [= 1] by CPU
+ */
+ int vm_update_mode;
};
void amdgpu_vm_manager_init(struct amdgpu_device *adev);
void amdgpu_vm_manager_fini(struct amdgpu_device *adev);
-int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm);
+int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
+ int vm_context);
void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm);
void amdgpu_vm_get_pd_bo(struct amdgpu_vm *vm,
struct list_head *validated,
@@ -239,5 +260,9 @@ int amdgpu_vm_bo_clear_mappings(struct amdgpu_device *adev,
void amdgpu_vm_bo_rmv(struct amdgpu_device *adev,
struct amdgpu_bo_va *bo_va);
void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint64_t vm_size);
+int amdgpu_vm_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
+bool amdgpu_vm_need_pipeline_sync(struct amdgpu_ring *ring,
+ struct amdgpu_job *job);
+void amdgpu_vm_check_compute_bug(struct amdgpu_device *adev);
#endif