diff options
| author | Yong Zhao <Yong.Zhao@amd.com> | 2019-01-15 13:16:34 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-11-13 15:29:45 -0500 |
| commit | 339903fa989b7a0c9fc26e0f35e36df7e110d737 (patch) | |
| tree | 29271e579ae00c7af90fb2c642f3fcf77a39eee0 /drivers/gpu/drm/amd/amdkfd/kfd_priv.h | |
| parent | 026674cf055f15da0fa92fbef293d5852346380d (diff) | |
drm/amdkfd: Use better name to indicate the offset is in dwords
The doorbell offset could mean the byte offset or the dword offset,
and the 0 offset place is also different, sometimes the start of PCI
doorbell bar or the start of process doorbell pages. Use better name
to avoid confusion.
Signed-off-by: Yong Zhao <Yong.Zhao@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.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 | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h index 3f7c3d651a52..603d793a8f56 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h @@ -235,9 +235,10 @@ struct kfd_dev { * KFD. It is aligned for mapping * into user mode */ - size_t doorbell_id_offset; /* Doorbell offset (from KFD doorbell - * to HW doorbell, GFX reserved some - * at the start) + size_t doorbell_base_dw_offset; /* Offset from the start of the PCI + * doorbell BAR to the first KFD + * doorbell in dwords. GFX reserves + * the segment before this offset. */ u32 __iomem *doorbell_kernel_ptr; /* This is a pointer for a doorbells * page used by kernel queue @@ -815,7 +816,7 @@ 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); void write_kernel_doorbell64(void __iomem *db, u64 value); -unsigned int kfd_doorbell_id_to_offset(struct kfd_dev *kfd, +unsigned int kfd_get_doorbell_dw_offset_in_bar(struct kfd_dev *kfd, struct kfd_process *process, unsigned int doorbell_id); phys_addr_t kfd_get_process_doorbells(struct kfd_dev *dev, |