Merge "msm: kgsl: Fix gdsc disable timeout during reset"

	unsigned int uche_client_id = 0;

	static char str[40];

	mutex_lock(&device->mutex);

	/*

	 * Smmu driver takes a vote on CX gdsc before calling the kgsl pagefault

	 * handler. If there is contention for device mutex in this path and the

	 * dispatcher fault handler is holding this lock, trying to turn off CX

	 * gdsc will fail during the reset. So to avoid blocking here, try to

	 * lock device mutex and return if it fails.

	 */

	if (!mutex_trylock(&device->mutex))

		return "UCHE";

	if (!kgsl_state_is_awake(device)) {

		mutex_unlock(&device->mutex);

		return "UCHE: unknown";

		return "UCHE";

	}

	kgsl_regread(device, A6XX_UCHE_CLIENT_PF, &uche_client_id);

	/* Ignore the value if the gpu is in IFPC */

	if (uche_client_id == SCOOBYDOO)

		return "UCHE: unknown";

		return "UCHE";

	uche_client_id &= A6XX_UCHE_CLIENT_PF_CLIENT_ID_MASK;

	snprintf(str, sizeof(str), "UCHE: %s",