Rebootless display driver upgrades
First Claim
Patent Images
1. A rebootless method for upgrading a hardware-specific display driver on a host computer, the method comprising:
- stopping a currently-running hardware-specific display driver; and
starting an upgraded hardware-specific display driver without rebooting between stopping the currently-running hardware-specific display driver and starting the upgraded hardware-specific display driver.
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Abstract
Systems and methods for rebootless updating of a IHV display driver are disclosed. According to such a method, first, the operating system stops the driver from running. Second, the system switches over to an interim or temporary display driver, which be a default driver provided with the operating system. Third, the new hardware-specific driver is started. Thus, a hardware-specific display driver may be updated without rebooting.
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Citations
20 Claims
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1. A rebootless method for upgrading a hardware-specific display driver on a host computer, the method comprising:
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stopping a currently-running hardware-specific display driver; and
starting an upgraded hardware-specific display driver without rebooting between stopping the currently-running hardware-specific display driver and starting the upgraded hardware-specific display driver. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A rebootless method for transitioning to an upgraded hardware-specific display driver on a host computer, the method comprising:
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stopping a first hardware-specific display driver from running on the host computer;
starting a second display driver associated with the hardware;
receiving a call from an application to perform a graphics operation associated with the first display driver; and
informing the application that hardware is unavailable, wherein, in response to the information that the hardware is unavailable, the application reroutes itself to the second display driver. - View Dependent Claims (13, 14, 15, 16, 17)
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18. A rebootless method for upgrading a hardware-specific display driver on a host computer, the method comprising:
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stopping a currently-running hardware-specific display driver;
starting an interim video display driver; and
then starting an upgraded hardware-specific display driver. - View Dependent Claims (19, 20)
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Specification