diff options
| author | Felix Kuehling | 2018-04-10 23:33:05 +0200 |
|---|---|---|
| committer | Oded Gabbay | 2018-04-10 23:33:05 +0200 |
| commit | ef568db792e66216b48fd1567ff4a9d3bf9af866 (patch) | |
| tree | d760838f9ee71765d151a5e3132cbc9d1c3d1139 /drivers/gpu/drm/amd/amdkfd/kfd_priv.h | |
| parent | drm/amdkfd: Clean up KFD_MMAP_ offset handling (diff) | |
| download | kernel-qcow2-linux-ef568db792e66216b48fd1567ff4a9d3bf9af866.tar.gz kernel-qcow2-linux-ef568db792e66216b48fd1567ff4a9d3bf9af866.tar.xz kernel-qcow2-linux-ef568db792e66216b48fd1567ff4a9d3bf9af866.zip | |
drm/amdkfd: Implement doorbell allocation for SOC15
Allocate doorbells according to the doorbell routing information on
SOC15 ASICs (Vega10 and later). On older ASICs we continue to use the
queue_id as the doorbell ID to maintain compatibility with the Thunk.
Signed-off-by: Shaoyun Liu <Shaoyun.Liu@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_priv.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h index 2d575c014651..ddb3c8cdfb7b 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h @@ -169,6 +169,8 @@ enum cache_policy { cache_policy_noncoherent }; +#define KFD_IS_SOC15(chip) ((chip) >= CHIP_VEGA10) + struct kfd_event_interrupt_class { bool (*interrupt_isr)(struct kfd_dev *dev, const uint32_t *ih_ring_entry); @@ -449,6 +451,7 @@ struct queue { uint32_t queue; unsigned int sdma_id; + unsigned int doorbell_id; struct kfd_process *process; struct kfd_dev *device; @@ -523,6 +526,9 @@ struct qcm_process_device { /* IB memory */ uint64_t ib_base; void *ib_kaddr; + + /* doorbell resources per process per device */ + unsigned long *doorbell_bitmap; }; /* KFD Memory Eviction */ @@ -747,6 +753,7 @@ unsigned int kfd_pasid_alloc(void); void kfd_pasid_free(unsigned int pasid); /* Doorbells */ +size_t kfd_doorbell_process_slice(struct kfd_dev *kfd); int kfd_doorbell_init(struct kfd_dev *kfd); void kfd_doorbell_fini(struct kfd_dev *kfd); int kfd_doorbell_mmap(struct kfd_dev *dev, struct kfd_process *process, @@ -756,9 +763,9 @@ void __iomem *kfd_get_kernel_doorbell(struct kfd_dev *kfd, void kfd_release_kernel_doorbell(struct kfd_dev *kfd, u32 __iomem *db_addr); u32 read_kernel_doorbell(u32 __iomem *db); void write_kernel_doorbell(void __iomem *db, u32 value); -unsigned int kfd_queue_id_to_doorbell(struct kfd_dev *kfd, +unsigned int kfd_doorbell_id_to_offset(struct kfd_dev *kfd, struct kfd_process *process, - unsigned int queue_id); + unsigned int doorbell_id); phys_addr_t kfd_get_process_doorbells(struct kfd_dev *dev, struct kfd_process *process); int kfd_alloc_process_doorbells(struct kfd_process *process); |