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| author | Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> | 2023-03-23 13:55:01 +0100 |
|---|---|---|
| committer | Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com> | 2023-03-24 10:52:20 +0100 |
| commit | 3d8b2727d8de4720c6865917dd05249b1f449f34 (patch) | |
| tree | 154ec6c0cfeb024dd0c368a5a3652d6fa95b0348 /tools/perf/scripts/python/export-to-sqlite.py | |
| parent | a8fed6d1e0b9bbea2cbe602831f84a2cff4653e3 (diff) | |
accel/ivpu: Disable buttress on device removal
Use pci_set_power_state() to disable buttress when device is removed.
This is workaround of hardware bug that hangs the system.
Additionally not disabling buttress prevents CPU enter deeper Pkg-C
states when the driver is unloaded or fail to probe.
Fixes: 35b137630f08 ("accel/ivpu: Introduce a new DRM driver for Intel VPU")
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230323125504.2586442-6-stanislaw.gruszka@linux.intel.com
Diffstat (limited to 'tools/perf/scripts/python/export-to-sqlite.py')
0 files changed, 0 insertions, 0 deletions