drm/xe/hwmon: Drop redundant runtime PM usage

The device is expected to be in D0 state during driver probe. No need to
resume it in ->is_visible() callbacks.

Signed-off-by: Raag Jadav <[e-mail]>
Reviewed-by: Lucas De Marchi <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Lucas De Marchi <[e-mail]>

drivers/gpu/drm/xe/xe_hwmon.c

···
 	struct xe_reg rapl_limit;
 	struct xe_mmio *mmio = xe_root_tile_mmio(hwmon->xe);
 
-	xe_pm_runtime_get(hwmon->xe);
-
 	if (hwmon->xe->info.has_mbx_power_limits) {
 		xe_hwmon_pcode_read_power_limit(hwmon, power_attr, channel, &uval);
 	} else if (power_attr != PL2_HWMON_ATTR) {
···
 			uval = xe_mmio_read32(mmio, rapl_limit);
 	}
 	ret = (uval & PWR_LIM_EN) ? attr->mode : 0;
-
-	xe_pm_runtime_put(hwmon->xe);
 
 	return ret;
 }
···
 	struct xe_hwmon *hwmon = (struct xe_hwmon *)drvdata;
 	int ret;
 
-	xe_pm_runtime_get(hwmon->xe);
-
 	switch (type) {
 	case hwmon_temp:
 		ret = xe_hwmon_temp_is_visible(hwmon, attr, channel);
···
 		ret = 0;
 		break;
 	}
-
-	xe_pm_runtime_put(hwmon->xe);
 
 	return ret;
 }