Microsoft Technology Licensing, LLC

Ishan Jitendra Bhatt

Miguel Comparan

Ryan Scott Haraden

Jeffrey Powers Bradford

Tolga Ozguner

Gene Leung

Techniques for controlling access to a memory are provided. The techniques may include receiving and storing output pixel data in a buffer, providing the stored output pixel data to a display controller, receiving stored output pixel data from the buffer at the display controller, switching to a second operating mode state based at least on an amount of available data in the buffer being less than or equal to a threshold, identifying a portion of the image data stored in a memory device for use in generating output pixel data for an updated image, and, in response to operating in the second operating mode, generating the output pixel data without issuing a memory read command via an interconnect to retrieve the portion of the initial image while operating in the second operating mode, and providing the output pixel data to the buffer.

Reducing negative effects of insufficient data throughput for real-time processing

Systems and methods for controlling access to a memory are provided. The system may include a buffer to store output data generated by a processing module, and provide the output data to a real-time module, and a buffer monitoring circuit to output an underflow approaching state indication in response to an amount of available data in the buffer being less than or equal to a threshold. The system may include a memory access module arranged to receive memory requests issued by the processing module, and configured to, while operating in a first mode, respond to memory requests with corresponding data retrieved from the memory, switch to operating in a second mode in response to receiving the underflow approaching state indication, and in response to operating in the second mode, respond to memory requests indicating the memory access module did not attempt to retrieve corresponding data from the memory.

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Sunnyvale, CA, United States of America

Ishan Jitendra Bhatt