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| author | Oak Zeng <Oak.Zeng@amd.com> | 2019-05-23 17:12:41 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-05-28 14:43:51 -0500 |
| commit | d33ea570bd20f7ac7abea4f56f1df299e179356b (patch) | |
| tree | fd0d49a62d4efb159b071e64680be7192f0166ac /drivers/gpu/drm/amd/amdkfd/kfd_priv.h | |
| parent | c8bdf2b63e5b6b31b3b4826b8e87c0c2f6b650ff (diff) | |
| download | lwn-d33ea570bd20f7ac7abea4f56f1df299e179356b.tar.gz lwn-d33ea570bd20f7ac7abea4f56f1df299e179356b.zip | |
drm/amdkfd: Use kfd fd to mmap mmio
TTM doesn't support CPU mapping of sg type bo (under which
mmio bo is created). Switch mmaping of mmio page to kfd
device file.
Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>
Acked-by: Christian Konig <christian.koenig@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 | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h index 8f02d7817162..b44ea00ded9d 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h +++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h @@ -59,6 +59,7 @@ #define KFD_MMAP_TYPE_DOORBELL (0x3ULL << KFD_MMAP_TYPE_SHIFT) #define KFD_MMAP_TYPE_EVENTS (0x2ULL << KFD_MMAP_TYPE_SHIFT) #define KFD_MMAP_TYPE_RESERVED_MEM (0x1ULL << KFD_MMAP_TYPE_SHIFT) +#define KFD_MMAP_TYPE_MMIO (0x0ULL << KFD_MMAP_TYPE_SHIFT) #define KFD_MMAP_GPU_ID_SHIFT (46 - PAGE_SHIFT) #define KFD_MMAP_GPU_ID_MASK (((1ULL << KFD_GPU_ID_HASH_WIDTH) - 1) \ |