diff options
| author | Philip Yang <Philip.Yang@amd.com> | 2021-06-04 16:22:58 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-06-07 14:57:18 -0400 |
| commit | 0dc2bafb08c053240e5fd913a041b9885ab947f1 (patch) | |
| tree | 68158dbbb0c08554dfc4b86108b74ef5a6003061 /drivers/gpu/drm/amd | |
| parent | cf2a22e4080d8de3693bd11c288d34a6ea9d02fc (diff) | |
drm/amdkfd: pages_addr offset must be 0 for system range
prange->offset is for VRAM range mm_nodes, if multiple ranges share same
mm_nodes, migrate range back to VRAM will reuse the VRAM at offset of
the same mm_nodes. For system memory pages_addr array, the offset is
always 0, otherwise, update GPU mapping will use incorrect system memory
page, and cause system memory corruption.
Signed-off-by: Philip Yang <Philip.Yang@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')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c index f2901e7a993e..0f18bd0dc64e 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c @@ -1153,7 +1153,7 @@ svm_range_map_to_gpu(struct amdgpu_device *adev, struct amdgpu_vm *vm, prange->mapping.start = prange->start; prange->mapping.last = prange->last; - prange->mapping.offset = prange->offset; + prange->mapping.offset = prange->ttm_res ? prange->offset : 0; pte_flags = svm_range_get_pte_flags(adev, prange); r = amdgpu_vm_bo_update_mapping(adev, bo_adev, vm, false, false, NULL, |