The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 06, 2024
Filed:
Mar. 31, 2021
Imagination Technologies Limited, Kings Langley, GB;
Mario Sopena Novales, Hertfordshire, GB;
Philip Morris, Hertfordshire, GB;
Mihai Dragan, Hertfordshire, GB;
Imagination Technologies Limited, Kings Langley, GB;
Abstract
A computer system has a plurality of operating systems, each operating system including a GPU driver; a graphics processing unit (GPU) including GPU firmware for controlling the execution of tasks at the graphics processing unit and, for each operating system: a firmware state register modifiable by the GPU firmware and indicating whether the GPU firmware is online; and an OS state register modifiable by the GPU driver of the respective operating system and indicating whether the GPU driver is online; and a memory management unit configured to mediate access to the registers of the GPU such that each operating system can access its respective registers but not those of other operating systems; wherein: one of the GPU drivers at the plurality of operating systems is a host GPU driver configured to initialise the GPU and bring the GPU firmware online; each GPU driver is configured to submit tasks for processing at the GPU only if its respective firmware state register indicates that the GPU firmware is online; and the GPU is configured to process tasks for an operating system if the respective OS state register of that operating system indicates that the GPU driver is online.