accel/ivpu: Add support for FW boot param system_time_us

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.pradzynski@intel.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240214081305.290108-5-jacek.lawrynowicz@linux.intel.com

diff --git a/drivers/accel/ivpu/ivpu_fw.c b/drivers/accel/ivpu/ivpu_fw.c
index 186d0857410cc4e3bfdda2ffa18946c5a69758dd..304c95d0f25d1602284587f2f0a33d037006075f 100644 (file)
--- 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);