diff options
| 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 /drivers/accel/ivpu/ivpu_drv.h | |
| 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 'drivers/accel/ivpu/ivpu_drv.h')
| -rw-r--r-- | drivers/accel/ivpu/ivpu_drv.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/accel/ivpu/ivpu_drv.h b/drivers/accel/ivpu/ivpu_drv.h index ef12a38e06e1..d3013fbd13b3 100644 --- a/drivers/accel/ivpu/ivpu_drv.h +++ b/drivers/accel/ivpu/ivpu_drv.h @@ -74,6 +74,7 @@ struct ivpu_wa_table { bool punit_disabled; bool clear_runtime_mem; + bool d3hot_after_power_off; }; struct ivpu_hw_info; |