Merge "msm: kgsl: Get GPU snapshot if wait for global timestamp timeout"

	/*

	 * If the wait for global fails due to timeout then nothing after this

	 * point is likely to work very well - BUG_ON() so we can take advantage

	 * of the debug tools to figure out what the h - e - double hockey

	 * sticks happened. If EAGAIN error is returned then recovery will kick

	 * in and there will be no more commands in the RB pipe from this

	 * context which is waht we are waiting for, so ignore -EAGAIN error

	 * point is likely to work very well - Get GPU snapshot and BUG_ON()

	 * so we can take advantage of the debug tools to figure out what the

	 * h - e - double hockey sticks happened. If EAGAIN error is returned

	 * then recovery will kick in and there will be no more commands in the

	 * RB pipe from this context which is waht we are waiting for, so ignore

	 * -EAGAIN error

	 */

	BUG_ON(ret && ret != -EAGAIN);

	if (ret && ret != -EAGAIN) {

		KGSL_DRV_ERR(device, "Wait for global ts=%d type=%d error=%d\n",

				drawctxt->internal_timestamp,

				drawctxt->type, ret);

		device->force_panic = 1;

		kgsl_device_snapshot(device, context);

	}

	kgsl_sharedmem_writel(device, &device->memstore,

			KGSL_MEMSTORE_OFFSET(context->id, soptimestamp),