diff options
| author | Felix Kuehling | 2017-08-26 08:00:57 +0200 |
|---|---|---|
| committer | Alex Deucher | 2017-09-26 19:07:03 +0200 |
| commit | a91e70e30c3e1aaf90ddb851f9736367bc885fb8 (patch) | |
| tree | d92eb0ea51523f1f321bd1f19232d47d47411511 /drivers/gpu/drm/amd/amdkfd/kfd_priv.h | |
| parent | drm/radeon: Add PASID manager for KFD (diff) | |
| download | kernel-qcow2-linux-a91e70e30c3e1aaf90ddb851f9736367bc885fb8.tar.gz kernel-qcow2-linux-a91e70e30c3e1aaf90ddb851f9736367bc885fb8.tar.xz kernel-qcow2-linux-a91e70e30c3e1aaf90ddb851f9736367bc885fb8.zip | |
drm/amdkfd: Separate doorbell allocation from PASID
PASID management is moving into KGD. Limiting the PASID range to the
number of doorbell pages is no longer practical.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_priv.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_priv.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h index b397ec726400..4cb90f517906 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h @@ -157,9 +157,6 @@ struct kfd_dev { * to HW doorbell, GFX reserved some * at the start) */ - size_t doorbell_process_limit; /* Number of processes we have doorbell - * space for. - */ u32 __iomem *doorbell_kernel_ptr; /* This is a pointer for a doorbells * page used by kernel queue */ @@ -495,6 +492,7 @@ struct kfd_process { struct rcu_head rcu; unsigned int pasid; + unsigned int doorbell_index; /* * List of kfd_process_device structures, @@ -583,6 +581,10 @@ void write_kernel_doorbell(u32 __iomem *db, u32 value); unsigned int kfd_queue_id_to_doorbell(struct kfd_dev *kfd, struct kfd_process *process, unsigned int queue_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); +void kfd_free_process_doorbells(struct kfd_process *process); /* GTT Sub-Allocator */ @@ -694,8 +696,6 @@ int pm_send_unmap_queue(struct packet_manager *pm, enum kfd_queue_type type, void pm_release_ib(struct packet_manager *pm); uint64_t kfd_get_number_elems(struct kfd_dev *kfd); -phys_addr_t kfd_get_process_doorbells(struct kfd_dev *dev, - struct kfd_process *process); /* Events */ extern const struct kfd_event_interrupt_class event_interrupt_class_cik; |