[PATCH 4/8] accel/ivpu: Add support for FW boot param system_time_us

[Jacek Lawrynowicz]

From: Krystian Pradzynski <krystian.pradzyn...@intel.com>

Add support for FW boot API param system_time_us.
According to the API description this field should
be set to system time in microseconds starting from 1970.

Signed-off-by: Krystian Pradzynski <krystian.pradzyn...@intel.com>
---
 drivers/accel/ivpu/ivpu_fw.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/accel/ivpu/ivpu_fw.c b/drivers/accel/ivpu/ivpu_fw.c
index 186d0857410c..304c95d0f25d 100644
--- a/drivers/accel/ivpu/ivpu_fw.c
+++ b/drivers/accel/ivpu/ivpu_fw.c
@@ -468,6 +468,8 @@ static void ivpu_fw_boot_params_print(struct ivpu_device 
*vdev, struct vpu_boot_
                 boot_params->d0i3_residency_time_us);
        ivpu_dbg(vdev, FW_BOOT, "boot_params.d0i3_entry_vpu_ts = %llu\n",
                 boot_params->d0i3_entry_vpu_ts);
+       ivpu_dbg(vdev, FW_BOOT, "boot_params.system_time_us = %llu\n",
+                boot_params->system_time_us);
 }
 
 void ivpu_fw_boot_params_setup(struct ivpu_device *vdev, struct 
vpu_boot_params *boot_params)
@@ -479,11 +481,14 @@ void ivpu_fw_boot_params_setup(struct ivpu_device *vdev, 
struct vpu_boot_params
                boot_params->d0i3_residency_time_us =
                        ktime_us_delta(ktime_get_boottime(), 
vdev->hw->d0i3_entry_host_ts);
                boot_params->d0i3_entry_vpu_ts = vdev->hw->d0i3_entry_vpu_ts;
+               boot_params->system_time_us = ktime_to_us(ktime_get_real());
 
                ivpu_dbg(vdev, FW_BOOT, "boot_params.d0i3_residency_time_us = 
%lld\n",
                         boot_params->d0i3_residency_time_us);
                ivpu_dbg(vdev, FW_BOOT, "boot_params.d0i3_entry_vpu_ts = 
%llu\n",
                         boot_params->d0i3_entry_vpu_ts);
+               ivpu_dbg(vdev, FW_BOOT, "boot_params.system_time_us = %llu\n",
+                        boot_params->system_time_us);
 
                boot_params->save_restore_ret_address = 0;
                vdev->pm->is_warmboot = true;
@@ -561,6 +566,7 @@ void ivpu_fw_boot_params_setup(struct ivpu_device *vdev, 
struct vpu_boot_params
        boot_params->d0i3_residency_time_us = 0;
        boot_params->d0i3_entry_vpu_ts = 0;
 
+       boot_params->system_time_us = ktime_to_us(ktime_get_real());
        wmb(); /* Flush WC buffers after writing bootparams */
 
        ivpu_fw_boot_params_print(vdev, boot_params);
-- 
2.43.0