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drm/amdkfd: Add device repartition support

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GFX9.4.3 will support dynamic repartitioning of the GPU through sysfs.
Add device repartitioning support in KFD to repartition GPU from one
mode to other.

v2: squash in fix ("drm/amdkfd: Fix warning kgd2kfd_unlock_kfd defined but not used")

Signed-off-by: Mukul Joshi <mukul.joshi@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Mukul Joshi
2022-06-10 09:41:29 -04:00
committed by Alex Deucher
parent fe1f05df59
commit 0c7315e7d5
5 changed files with 66 additions and 5 deletions
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13
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h
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@@ -151,6 +151,8 @@ void amdgpu_amdkfd_interrupt(struct amdgpu_device *adev,
void amdgpu_amdkfd_device_probe(struct amdgpu_device *adev);
void amdgpu_amdkfd_device_init(struct amdgpu_device *adev);
void amdgpu_amdkfd_device_fini_sw(struct amdgpu_device *adev);
int amdgpu_amdkfd_check_and_lock_kfd(struct amdgpu_device *adev);
void amdgpu_amdkfd_unlock_kfd(struct amdgpu_device *adev);
int amdgpu_amdkfd_submit_ib(struct amdgpu_device *adev,
enum kgd_engine_type engine,
uint32_t vmid, uint64_t gpu_addr,
@@ -373,6 +375,8 @@ int kgd2kfd_post_reset(struct kfd_dev *kfd);
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, uint64_t throttle_bitmask);
int kgd2kfd_check_and_lock_kfd(void);
void kgd2kfd_unlock_kfd(void);
#else
static inline int kgd2kfd_init(void)
{
@@ -438,5 +442,14 @@ static inline
void kgd2kfd_smi_event_throttle(struct kfd_dev *kfd, uint64_t throttle_bitmask)
{
}
static inline int kgd2kfd_check_and_lock_kfd(void)
{
return 0;
}
static inline void kgd2kfd_unlock_kfd(void)
{
}
#endif
#endif /* AMDGPU_AMDKFD_H_INCLUDED */