[Intel-gfx] [PATCH i-g-t 1/4 v6] lib/{igt_sysfs, igt_aux}: Make available to other users kick_fbcon() (unbind_fbcon()), and added helpers to lib/igt_aux, lib/igt_kmod.

[Chris Wilson]

On Wed, Nov 23, 2016 at 02:35:09PM +0200, Marius Vlad wrote:
> +static void
> +igt_show_stat(proc_t *info, const char *fn)
> +{
> +	static int display = 0;
> +
> +	if (!display) {
> +		igt_info("%20.20s%11.11s%21.21s%11.11s%10.10s%22.22s%31.31s\n",
> +			"COMM", "PID", "Type", "UID", "GID", "Size", "Filename");
> +		display++;
> +	}

This is called by an exported igt_lsof(). Only showing the header for
the first caller is a nuisance.

> +
> +	__igt_show_stat(&(struct pinfo) {.pid = info->tid,
> +					 .comm = info->cmd, fn });
> +}
> +

> +int
> +igt_i915_driver_unload(void)
> +{
> +	/* unbind vt */
> +	kick_fbcon(false);
> +
> +	if (igt_kmod_is_loaded("snd_hda_intel")) {
> +		igt_pkill(SIGTERM, "alsactl");
> +
> +		/* unbind snd_hda_intel */
> +		kick_snd_hda_intel();
> +
> +		if (igt_kmod_unload("snd_hda_intel", 0)) {
> +			igt_info("Could not unload snd_hda_intel\n");
> +			igt_kmod_list_loaded();
> +			igt_lsof("/dev/snd");
> +			return IGT_EXIT_FAILURE;
> +		}
> +	}
> +
> +	/* gen5 */
> +	if (igt_kmod_is_loaded("intel_ips")) {
> +		igt_kmod_unload("intel_ips", 0);
> +	}
> +
> +	if (igt_kmod_is_loaded("i915")) {
> +		if (igt_kmod_unload("i915", 0)) {
> +			igt_info("Could not unload i915\n");
> +			igt_kmod_list_loaded();
> +			return IGT_EXIT_SKIP;
> +		} else {
> +			igt_info("i915.ko has been unloaded!\n");
> +		}
> +	}
> +
> +	if (igt_kmod_is_loaded("intel-gtt")) {
> +		igt_kmod_unload("intel-gtt", 0);
> +	}
> +
> +	igt_kmod_unload("drm_kms_helper", 0);
> +	igt_kmod_unload("drm", 0);
> +
> +	if (igt_kmod_is_loaded("i915")) {
> +		igt_info("WARNING: i915.ko still loaded!\n");

igt_warn() perchance?

> +		return IGT_EXIT_FAILURE;
> +	} else {
> +		igt_info("module successfully unloaded\n");
> +	}
> +
> +
> +	return IGT_EXIT_SUCCESS;
> +}

-- 
Chris Wilson, Intel Open Source Technology Centre