PARAMETER FIFO FOR CONFIGURING VIDEO RELATED SETTINGS

摘要

A graphics system may include one or more processing units for processing a current display frame, each processing unit including a plurality of parameter registers for storing parameter settings used in processing the current display frame. A parameter buffer in the graphics system may store frame packets, with each frame packet containing information corresponding to parameter settings to be used for at least one display frame. A control circuit coupled to the buffer and to the one or more processing units may retrieve a top frame packet from the parameter buffer and determine if the frame packet is an internal type, i.e., intended for internal registers in a respective processing unit or if it is an external type, i.e., intended for an external register elsewhere in the graphics system. Based on the type of frame packet, the control circuit may update one or more register values accordingly.

主权项

1. A system for processing data, comprising:
a memory configured to store a sequentially ordered plurality of data frames; a data processor coupled to the memory, wherein the data processor is configured to retrieve and process a given data frame of the sequentially ordered plurality of data frames; a First-In First-Out (FIFO) buffer, wherein the FIFO buffer includes a sequentially ordered plurality of entries, wherein each entry of the sequentially ordered plurality of entries is configured to store a respective one of a plurality of frame packets; a control circuit coupled to the FIFO buffer and the data processor, wherein the control circuit is configured to:
receive a signal indicating the data processor has retrieved and is processing the given data frame of the sequentially ordered plurality of data frames;retrieve a next frame packet from a next entry of the sequentially ordered plurality of entries;select one of two or more processing units responsive to a determination that the retrieved frame packet is associated with the given data frame; andsend the retrieved frame packet to the selected one of the two or more processing units.