diff options
| author | Jacob Pan <[email protected]> | 2022-12-05 21:14:12 +0800 |
|---|---|---|
| committer | Joerg Roedel <[email protected]> | 2022-12-05 14:27:03 +0100 |
| commit | 81c95fbaebfa5990c3c786c8c3e87426a33106fe (patch) | |
| tree | 086f6d1dead87792f10f26d3f47341c151c4561e /drivers/gpu/drm/amd/amdgpu/amdgpu_encoders.c | |
| parent | 76dcd734eca23168cb008912c0f69ff408905235 (diff) | |
iommu/vt-d: Fix buggy QAT device mask
Impacted QAT device IDs that need extra dtlb flush quirk is ranging
from 0x4940 to 0x4943. After bitwise AND device ID with 0xfffc the
result should be 0x4940 instead of 0x494c to identify these devices.
Fixes: e65a6897be5e ("iommu/vt-d: Add a fix for devices need extra dtlb flush")
Reported-by: Raghunathan Srinivasan <[email protected]>
Signed-off-by: Ashok Raj <[email protected]>
Signed-off-by: Jacob Pan <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lu Baolu <[email protected]>
Signed-off-by: Joerg Roedel <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_encoders.c')
0 files changed, 0 insertions, 0 deletions