To raise a bug report for your AMD graphics driver only install, you can follow these steps:
Visit the AMD support website and navigate to the driver download page for your graphics card.
Click on the "Report Issue" button located at the bottom of the page.
Fill in the form with the required details, including your contact information, the details of your graphics card, and a description of the issue you are experiencing.
You may also be asked to provide additional information, such as screenshots, system logs, or other diagnostic data.
Submit the report and wait for a response from AMD support.
Regarding the optimization for VR, you may want to try enabling the "AMD VR Ready Processors" option in the AMD Radeon Software Adrenalin Edition. This option is designed to optimize the graphics performance for VR applications and should provide better performance in VR games and applications.
To enable the option, launch the AMD Radeon Software Adrenalin Edition and navigate to the "Gaming" tab. From there, click on "Global Settings" and then scroll down to the "Advanced" section. Enable the "AMD VR Ready Processors" option and then save the changes.