diff options
| author | Oak Zeng <Oak.Zeng@amd.com> | 2019-04-11 14:43:39 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-05-24 12:20:47 -0500 |
| commit | d8e408a82704c86ba87c3d58cfe69dcdb758aa07 (patch) | |
| tree | 3cb4be068142e653816c43541852b5116283a4ff /drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | |
| parent | 88807dc8d573c0f718d0d26f592f212c5a487cf0 (diff) | |
drm/amdkfd: Expose HDP registers to user space
Introduce a new memory type (KFD_IOC_ALLOC_MEM_FLAGS_MMIO_REMAP) and
expose mmio page of HDP registers to user space through this new
memory type.
v2: moved remapped hdp regs to adev struct
v3: rename the new memory type to ALLOC_MEM_FLAGS_MMIO_REMAP
v4: use more generic function name
v5: Fail remapped mmio allocation for asics before gfx9
Signed-off-by: Oak Zeng <Oak.Zeng@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/amdgpu/amdgpu_amdkfd.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c index aeead072fa79..401edb605fdd 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c @@ -519,6 +519,13 @@ uint64_t amdgpu_amdkfd_get_hive_id(struct kgd_dev *kgd) return adev->gmc.xgmi.hive_id; } +uint64_t amdgpu_amdkfd_get_mmio_remap_phys_addr(struct kgd_dev *kgd) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)kgd; + + return adev->rmmio_remap.bus_addr; +} + 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) |