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| author | Jean-Philippe Brucker <jean-philippe.brucker@arm.com> | 2019-04-17 19:24:42 +0100 |
|---|---|---|
| committer | Will Deacon <will.deacon@arm.com> | 2019-04-23 12:23:03 +0100 |
| commit | 5702ee24182f9b3e33476b74b5c92a4f913ad9bd (patch) | |
| tree | 0a12593d1c1fa1979364e43bba53bc383a298840 /drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c | |
| parent | b9ae16d80a357c88fcb7ff6831cfdc196f0a34dd (diff) | |
ACPI/IORT: Check ATS capability in root complex nodes
Root complex node in IORT has a bit telling whether it supports ATS or
not. Store this bit in the IOMMU fwspec when setting up a device, so it
can be accessed later by an IOMMU driver. In the future we'll probably
want to store this bit at the host bridge or SMMU rather than in each
endpoint.
Acked-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Jean-Philippe Brucker <jean-philippe.brucker@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c')
0 files changed, 0 insertions, 0 deletions