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MANAGING BACK PRESSURE DURING COMPRESSED FRAME WRITEBACK FOR IDLE SCREENS
MANAGING BACK PRESSURE DURING COMPRESSED FRAME WRITEBACK FOR IDLE SCREENS
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机译:空闲画面压缩帧回写期间的背压管理
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摘要
A display pipe is configured to generate output frames for display. Additionally, the display pipe may be configured to compress an output frame and write the compressed frame back to memory responsive to detecting static content in successive output frames. The display pipe may also be configured to determine to selectively allow write-back logic to operate when doing so will not cause a pixel underrun to the display. If an underrun might occur, write-back logic is temporarily disabled. If write-back is successful, the display pipe may read the compressed frame from memory for display instead of reading the source frames for compositing and display.
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