accel/ivpu: Add dvfs_mode file to debugfs
Add new debugfs file to set dvfs_mode FW boot parameter and restart the FW to allow experimenting with DVFS (dynamic voltage & frequency scaling). Signed-off-by: Tomasz Rusinowicz <tomasz.rusinowicz@intel.com> Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com> Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20231028133415.1169975-4-stanislaw.gruszka@linux.intel.com
This commit is contained in:
parent
9692b1dcef
commit
f13108fc7b
|
@ -115,6 +115,31 @@ static const struct drm_debugfs_info vdev_debugfs_list[] = {
|
|||
{"reset_pending", reset_pending_show, 0},
|
||||
};
|
||||
|
||||
static ssize_t
|
||||
dvfs_mode_fops_write(struct file *file, const char __user *user_buf, size_t size, loff_t *pos)
|
||||
{
|
||||
struct ivpu_device *vdev = file->private_data;
|
||||
struct ivpu_fw_info *fw = vdev->fw;
|
||||
u32 dvfs_mode;
|
||||
int ret;
|
||||
|
||||
ret = kstrtou32_from_user(user_buf, size, 0, &dvfs_mode);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
fw->dvfs_mode = dvfs_mode;
|
||||
|
||||
ivpu_pm_schedule_recovery(vdev);
|
||||
|
||||
return size;
|
||||
}
|
||||
|
||||
static const struct file_operations dvfs_mode_fops = {
|
||||
.owner = THIS_MODULE,
|
||||
.open = simple_open,
|
||||
.write = dvfs_mode_fops_write,
|
||||
};
|
||||
|
||||
static int fw_log_show(struct seq_file *s, void *v)
|
||||
{
|
||||
struct ivpu_device *vdev = s->private;
|
||||
|
@ -280,6 +305,9 @@ void ivpu_debugfs_init(struct ivpu_device *vdev)
|
|||
debugfs_create_file("force_recovery", 0200, debugfs_root, vdev,
|
||||
&ivpu_force_recovery_fops);
|
||||
|
||||
debugfs_create_file("dvfs_mode", 0200, debugfs_root, vdev,
|
||||
&dvfs_mode_fops);
|
||||
|
||||
debugfs_create_file("fw_log", 0644, debugfs_root, vdev,
|
||||
&fw_log_fops);
|
||||
debugfs_create_file("fw_trace_destination_mask", 0200, debugfs_root, vdev,
|
||||
|
|
|
@ -182,6 +182,8 @@ static int ivpu_fw_parse(struct ivpu_device *vdev)
|
|||
fw->trace_destination_mask = VPU_TRACE_DESTINATION_VERBOSE_TRACING;
|
||||
fw->trace_hw_component_mask = -1;
|
||||
|
||||
fw->dvfs_mode = 0;
|
||||
|
||||
ivpu_dbg(vdev, FW_BOOT, "Size: file %lu image %u runtime %u shavenn %u\n",
|
||||
fw->file->size, fw->image_size, fw->runtime_size, fw->shave_nn_size);
|
||||
ivpu_dbg(vdev, FW_BOOT, "Address: runtime 0x%llx, load 0x%llx, entry point 0x%llx\n",
|
||||
|
@ -422,6 +424,8 @@ static void ivpu_fw_boot_params_print(struct ivpu_device *vdev, struct vpu_boot_
|
|||
boot_params->punit_telemetry_sram_size);
|
||||
ivpu_dbg(vdev, FW_BOOT, "boot_params.vpu_telemetry_enable = 0x%x\n",
|
||||
boot_params->vpu_telemetry_enable);
|
||||
ivpu_dbg(vdev, FW_BOOT, "boot_params.dvfs_mode = %u\n",
|
||||
boot_params->dvfs_mode);
|
||||
}
|
||||
|
||||
void ivpu_fw_boot_params_setup(struct ivpu_device *vdev, struct vpu_boot_params *boot_params)
|
||||
|
@ -492,6 +496,7 @@ void ivpu_fw_boot_params_setup(struct ivpu_device *vdev, struct vpu_boot_params
|
|||
boot_params->punit_telemetry_sram_base = ivpu_hw_reg_telemetry_offset_get(vdev);
|
||||
boot_params->punit_telemetry_sram_size = ivpu_hw_reg_telemetry_size_get(vdev);
|
||||
boot_params->vpu_telemetry_enable = ivpu_hw_reg_telemetry_enable_get(vdev);
|
||||
boot_params->dvfs_mode = vdev->fw->dvfs_mode;
|
||||
|
||||
wmb(); /* Flush WC buffers after writing bootparams */
|
||||
|
||||
|
|
|
@ -27,6 +27,7 @@ struct ivpu_fw_info {
|
|||
u32 trace_level;
|
||||
u32 trace_destination_mask;
|
||||
u64 trace_hw_component_mask;
|
||||
u32 dvfs_mode;
|
||||
};
|
||||
|
||||
int ivpu_fw_init(struct ivpu_device *vdev);
|
||||
|
|
Loading…
Reference in New Issue