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| author | Lu Baolu <baolu.lu@linux.intel.com> | 2025-09-18 13:02:01 +0800 |
|---|---|---|
| committer | Joerg Roedel <joerg.roedel@amd.com> | 2025-09-19 09:43:20 +0200 |
| commit | 4402e8f39d0bfff5c0a5edb5e1afe27a56545e11 (patch) | |
| tree | 5f8129c912d3a0c21a5891aa143170cf6c91cc7d /drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | |
| parent | 4c48101364301b14b236ace5a7e9de6b9ccd1950 (diff) | |
iommu/vt-d: Remove LPIG from page group response descriptor
Bit 66 in the page group response descriptor used to be the LPIG (Last
Page in Group), but it was marked as Reserved since Specification 4.0.
Remove programming on this bit to make it consistent with the latest
specification.
Existing hardware all treats bit 66 of the page group response descriptor
as "ignored", therefore this change doesn't break any existing hardware.
Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
Link: https://lore.kernel.org/r/20250901053943.1708490-1-baolu.lu@linux.intel.com
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c')
0 files changed, 0 insertions, 0 deletions