[igt-dev] [PATCH i-g-t v3 2/2] lib/igt_aux: Enable PM Suspend dbg messages

[Dixit, Ashutosh]

On Wed, 21 Jun 2023 23:02:28 -0700, Anshuman Gupta wrote:
>

Hi Anshuman,

> @@ -940,6 +950,14 @@ static void igt_aux_enable_pm_suspend_dbg(void)
>		igt_warn("Unable to open printk parameters Err:%d\n", errno);
>	}
>
> +	/* pm_debug_messages depends on  CONFIG_PM_SLEEP_DEBUG */
> +	if (!faccessat(power_dir, "pm_debug_messages", R_OK |  W_OK, 0)) {
> +		__pm_debug_messages_state = igt_sysfs_get_boolean(sysfs_fd, "pm_debug_messages");
> +		igt_sysfs_set_boolean(power_dir, "pm_debug_messages", true);
> +	}
> +
> +	igt_install_exit_handler(igt_aux_pm_suspend_dbg_restore_exit_handler);

We already installed this exit handler in Patch 1 (under 'if (sysfs_fd >
0)') so we shouldn't install it twice, correct?

Thanks.
--
Ashutosh