[PATCH 5.10 021/132] drm/amd/amdkfd: adjust dummy functions placement

Greg Kroah-Hartman
2021-12-13T09:51:32Z

From: Lang Yu <Lang.Yu@amd.com>

commit cd63989e0e6aa2eb66b461f2bae769e2550e47ac upstream.

Move all the dummy functions in amdgpu_amdkfd.c to
amdgpu_amdkfd.h as inline functions.

Signed-off-by: Lang Yu <Lang.Yu@amd.com>
Suggested-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: James Zhu <James.Zhu@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 87 ------------------
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h | 138 +++++++++++++++++++++++++----
2 files changed, 119 insertions(+), 106 deletions(-)

--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c
@@ -47,12 +47,8 @@ int amdgpu_amdkfd_init(void)
amdgpu_amdkfd_total_mem_size = si.totalram - si.totalhigh;
amdgpu_amdkfd_total_mem_size *= si.mem_unit;

-#ifdef CONFIG_HSA_AMD
ret = kgd2kfd_init();
amdgpu_amdkfd_gpuvm_init_mem_limits();
-#else
- ret = -ENOENT;
-#endif
kfd_initialized = !ret;

return ret;
@@ -695,86 +691,3 @@ bool amdgpu_amdkfd_have_atomics_support(

return adev->have_atomics_support;
}
-
-#ifndef CONFIG_HSA_AMD
-bool amdkfd_fence_check_mm(struct dma_fence *f, struct mm_struct *mm)
-{
- return false;
-}
-
-void amdgpu_amdkfd_unreserve_memory_limit(struct amdgpu_bo *bo)
-{
-}
-
-int amdgpu_amdkfd_remove_fence_on_pt_pd_bos(struct amdgpu_bo *bo)
-{
- return 0;
-}
-
-void amdgpu_amdkfd_gpuvm_destroy_cb(struct amdgpu_device *adev,
- struct amdgpu_vm *vm)
-{
-}
-
-struct amdgpu_amdkfd_fence *to_amdgpu_amdkfd_fence(struct dma_fence *f)
-{
- return NULL;
-}
-
-int amdgpu_amdkfd_evict_userptr(struct kgd_mem *mem, struct mm_struct *mm)
-{
- return 0;
-}
-
-struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, struct pci_dev *pdev,
- unsigned int asic_type, bool vf)
-{
- return NULL;
-}
-
-bool kgd2kfd_device_init(struct kfd_dev *kfd,
- struct drm_device *ddev,
- const struct kgd2kfd_shared_resources *gpu_resources)
-{
- return false;
-}
-
-void kgd2kfd_device_exit(struct kfd_dev *kfd)
-{
-}
-
-void kgd2kfd_exit(void)
-{
-}
-
-void kgd2kfd_suspend(struct kfd_dev *kfd, bool run_pm)
-{
-}
-
-int kgd2kfd_resume(struct kfd_dev *kfd, bool run_pm)
-{
- return 0;
-}
-
-int kgd2kfd_pre_reset(struct kfd_dev *kfd)
-{
- return 0;
-}
-
-int kgd2kfd_post_reset(struct kfd_dev *kfd)
-{
- return 0;
-}
-
-void kgd2kfd_interrupt(struct kfd_dev *kfd, const void *ih_ring_entry)
-{
-}
-
-void kgd2kfd_set_sram_ecc_flag(struct kfd_dev *kfd)
-{
-}
-
-void kgd2kfd_smi_event_throttle(struct kfd_dev *kfd, uint32_t throttle_bitmask)
-{
-}
-#endif
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
@@ -94,11 +94,6 @@ enum kgd_engine_type {
KGD_ENGINE_MAX
};

-struct amdgpu_amdkfd_fence *amdgpu_amdkfd_fence_create(u64 context,
- struct mm_struct *mm);
-bool amdkfd_fence_check_mm(struct dma_fence *f, struct mm_struct *mm);
-struct amdgpu_amdkfd_fence *to_amdgpu_amdkfd_fence(struct dma_fence *f);
-int amdgpu_amdkfd_remove_fence_on_pt_pd_bos(struct amdgpu_bo *bo);

struct amdkfd_process_info {
/* List head of all VMs that belong to a KFD process */
@@ -132,8 +127,6 @@ void amdgpu_amdkfd_interrupt(struct amdg
void amdgpu_amdkfd_device_probe(struct amdgpu_device *adev);
void amdgpu_amdkfd_device_init(struct amdgpu_device *adev);
void amdgpu_amdkfd_device_fini(struct amdgpu_device *adev);
-
-int amdgpu_amdkfd_evict_userptr(struct kgd_mem *mem, struct mm_struct *mm);
int amdgpu_amdkfd_submit_ib(struct kgd_dev *kgd, enum kgd_engine_type engine,
uint32_t vmid, uint64_t gpu_addr,
uint32_t *ib_cmd, uint32_t ib_len);
@@ -153,6 +146,38 @@ void amdgpu_amdkfd_gpu_reset(struct kgd_
int amdgpu_queue_mask_bit_to_set_resource_bit(struct amdgpu_device *adev,
int queue_bit);

+struct amdgpu_amdkfd_fence *amdgpu_amdkfd_fence_create(u64 context,
+ struct mm_struct *mm);
+#if IS_ENABLED(CONFIG_HSA_AMD)
+bool amdkfd_fence_check_mm(struct dma_fence *f, struct mm_struct *mm);
+struct amdgpu_amdkfd_fence *to_amdgpu_amdkfd_fence(struct dma_fence *f);
+int amdgpu_amdkfd_remove_fence_on_pt_pd_bos(struct amdgpu_bo *bo);
+int amdgpu_amdkfd_evict_userptr(struct kgd_mem *mem, struct mm_struct *mm);
+#else
+static inline
+bool amdkfd_fence_check_mm(struct dma_fence *f, struct mm_struct *mm)
+{
+ return false;
+}
+
+static inline
+struct amdgpu_amdkfd_fence *to_amdgpu_amdkfd_fence(struct dma_fence *f)
+{
+ return NULL;
+}
+
+static inline
+int amdgpu_amdkfd_remove_fence_on_pt_pd_bos(struct amdgpu_bo *bo)
+{
+ return 0;
+}
+
+static inline
+int amdgpu_amdkfd_evict_userptr(struct kgd_mem *mem, struct mm_struct *mm)
+{
+ return 0;
+}
+#endif
/* Shared API */
int amdgpu_amdkfd_alloc_gtt_mem(struct kgd_dev *kgd, size_t size,
void **mem_obj, uint64_t *gpu_addr,
@@ -215,8 +240,6 @@ int amdgpu_amdkfd_gpuvm_acquire_process_
struct file *filp, u32 pasid,
void **vm, void **process_info,
struct dma_fence **ef);
-void amdgpu_amdkfd_gpuvm_destroy_cb(struct amdgpu_device *adev,
- struct amdgpu_vm *vm);
void amdgpu_amdkfd_gpuvm_destroy_process_vm(struct kgd_dev *kgd, void *vm);
void amdgpu_amdkfd_gpuvm_release_process_vm(struct kgd_dev *kgd, void *vm);
uint64_t amdgpu_amdkfd_gpuvm_get_process_page_dir(void *vm);
@@ -236,23 +259,43 @@ int amdgpu_amdkfd_gpuvm_map_gtt_bo_to_ke
struct kgd_mem *mem, void **kptr, uint64_t *size);
int amdgpu_amdkfd_gpuvm_restore_process_bos(void *process_info,
struct dma_fence **ef);
-
int amdgpu_amdkfd_gpuvm_get_vm_fault_info(struct kgd_dev *kgd,
struct kfd_vm_fault_info *info);
-
int amdgpu_amdkfd_gpuvm_import_dmabuf(struct kgd_dev *kgd,
struct dma_buf *dmabuf,
uint64_t va, void *vm,
struct kgd_mem **mem, uint64_t *size,
uint64_t *mmap_offset);
-
-void amdgpu_amdkfd_gpuvm_init_mem_limits(void);
-void amdgpu_amdkfd_unreserve_memory_limit(struct amdgpu_bo *bo);
-
int amdgpu_amdkfd_get_tile_config(struct kgd_dev *kgd,
struct tile_config *config);
+#if IS_ENABLED(CONFIG_HSA_AMD)
+void amdgpu_amdkfd_gpuvm_init_mem_limits(void);
+void amdgpu_amdkfd_gpuvm_destroy_cb(struct amdgpu_device *adev,
+ struct amdgpu_vm *vm);
+void amdgpu_amdkfd_unreserve_memory_limit(struct amdgpu_bo *bo);
+#else
+static inline
+void amdgpu_amdkfd_gpuvm_init_mem_limits(void)
+{
+}

+static inline
+void amdgpu_amdkfd_gpuvm_destroy_cb(struct amdgpu_device *adev,
+ struct amdgpu_vm *vm)
+{
+}
+
+static inline
+void amdgpu_amdkfd_unreserve_memory_limit(struct amdgpu_bo *bo)
+{
+}
+#endif
/* KGD2KFD callbacks */
+int kgd2kfd_quiesce_mm(struct mm_struct *mm);
+int kgd2kfd_resume_mm(struct mm_struct *mm);
+int kgd2kfd_schedule_evict_and_restore_process(struct mm_struct *mm,
+ struct dma_fence *fence);
+#if IS_ENABLED(CONFIG_HSA_AMD)
int kgd2kfd_init(void);
void kgd2kfd_exit(void);
struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, struct pci_dev *pdev,
@@ -266,11 +309,68 @@ int kgd2kfd_resume(struct kfd_dev *kfd,
int kgd2kfd_pre_reset(struct kfd_dev *kfd);
int kgd2kfd_post_reset(struct kfd_dev *kfd);
void kgd2kfd_interrupt(struct kfd_dev *kfd, const void *ih_ring_entry);
-int kgd2kfd_quiesce_mm(struct mm_struct *mm);
-int kgd2kfd_resume_mm(struct mm_struct *mm);
-int kgd2kfd_schedule_evict_and_restore_process(struct mm_struct *mm,
- struct dma_fence *fence);
void kgd2kfd_set_sram_ecc_flag(struct kfd_dev *kfd);
void kgd2kfd_smi_event_throttle(struct kfd_dev *kfd, uint32_t throttle_bitmask);
+#else
+static inline int kgd2kfd_init(void)
+{
+ return -ENOENT;
+}
+
+static inline void kgd2kfd_exit(void)
+{
+}

+static inline
+struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, struct pci_dev *pdev,
+ unsigned int asic_type, bool vf)
+{
+ return NULL;
+}
+
+static inline
+bool kgd2kfd_device_init(struct kfd_dev *kfd, struct drm_device *ddev,
+ const struct kgd2kfd_shared_resources *gpu_resources)
+{
+ return false;
+}
+
+static inline void kgd2kfd_device_exit(struct kfd_dev *kfd)
+{
+}
+
+static inline void kgd2kfd_suspend(struct kfd_dev *kfd, bool run_pm)
+{
+}
+
+static inline int kgd2kfd_resume(struct kfd_dev *kfd, bool run_pm)
+{
+ return 0;
+}
+
+static inline int kgd2kfd_pre_reset(struct kfd_dev *kfd)
+{
+ return 0;
+}
+
+static inline int kgd2kfd_post_reset(struct kfd_dev *kfd)
+{
+ return 0;
+}
+
+static inline
+void kgd2kfd_interrupt(struct kfd_dev *kfd, const void *ih_ring_entry)
+{
+}
+
+static inline
+void kgd2kfd_set_sram_ecc_flag(struct kfd_dev *kfd)
+{
+}
+
+static inline
+void kgd2kfd_smi_event_throttle(struct kfd_dev *kfd, uint32_t throttle_bitmask)
+{
+}
+#endif
#endif /* AMDGPU_AMDKFD_H_INCLUDED */