diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/accel/ivpu/ivpu_hw_40xx.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/accel/ivpu/ivpu_hw_40xx.c b/drivers/accel/ivpu/ivpu_hw_40xx.c index eb8218d15f01..0eb9c827f6dc 100644 --- a/drivers/accel/ivpu/ivpu_hw_40xx.c +++ b/drivers/accel/ivpu/ivpu_hw_40xx.c @@ -879,10 +879,18 @@ static bool ivpu_hw_40xx_is_idle(struct ivpu_device *vdev) REG_TEST_FLD(VPU_40XX_BUTTRESS_VPU_STATUS, IDLE, val); } +static void ivpu_hw_40xx_save_d0i3_entry_timestamp(struct ivpu_device *vdev) +{ + vdev->hw->d0i3_entry_host_ts = ktime_get_boottime(); + vdev->hw->d0i3_entry_vpu_ts = REGV_RD64(VPU_40XX_CPU_SS_TIM_PERF_EXT_FREE_CNT); +} + static int ivpu_hw_40xx_power_down(struct ivpu_device *vdev) { int ret = 0; + ivpu_hw_40xx_save_d0i3_entry_timestamp(vdev); + if (!ivpu_hw_40xx_is_idle(vdev) && ivpu_hw_40xx_reset(vdev)) ivpu_warn(vdev, "Failed to reset the VPU\n"); |