This message was posted on behalf of Intel Corporation
I understand that you are having problems with the display since it flickers while in use. Regarding this issue we have the latest microcode for your system that could actually help with the issue. Please refer to the following link:
The microcode has been developed to fix any issues that could happen with the processor and since the Graphics Controller is integrated it could help with your current issue. If this does not help then I would recommend you to try requesting support in the following site, they provide assistance for Linux graphics problems:
I hope you find this helpful.