Dynamic Display Mode Switching for Bandwidth Optimization
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Solution Overview
Problem
Current graphics processing technologies face inefficiencies in bandwidth usage when displaying video content, as they either consume excessive bandwidth in video mode or conserve bandwidth at the cost of power in command mode, lacking a dynamic solution to adapt based on content composition.
Innovation Solution
A display host dynamically switches between video mode and command mode based on the composition of layers for display, outputting pixel data for every frame in video mode and only for frames with changed data in command mode, optimizing bandwidth usage by selecting the most efficient mode for the specific display scenario.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If video mode is used to output pixel data for every frame, then display refresh rate and visual smoothness are improved, but bandwidth consumption increases
Solution Approach 1:
The system dynamically switches between video mode and command mode based on real-time composition analysis. When layers are static, it transitions to command mode to reduce bandwidth; when layers change, it switches to video mode to maintain visual quality, making the bandwidth consumption adaptive rather than fixed
Solution Approach 2:
The invention changes the operational parameter of the display interface by selecting different modes (video mode vs. command mode) based on composition characteristics. This parameter change allows the system to optimize bandwidth consumption while maintaining acceptable display performance
2Quantity of substance
If command mode is used to output pixel data only for changed frames, then bandwidth consumption is reduced, but power consumption increases
Solution Approach 1:
The system uses dynamic mode switching to adapt power consumption to actual display needs. By analyzing layer composition and determining whether layers are static or changing, the system selects command mode for static content (saving power) and video mode for dynamic content (avoiding excessive power waste), making power consumption adaptive
Solution Approach 2:
The invention changes the operational parameter between command mode and video mode based on composition analysis. This allows the system to optimize power consumption by using command mode when appropriate while avoiding the power waste of using video mode for static content
3Quantity of substance
If static mode is used for displays with no layer changes, then bandwidth is minimized, but adaptability to different display scenarios is reduced
Solution Approach 1:
The system dynamically adjusts its operational mode based on real-time composition analysis rather than being fixed in one mode. It transitions between video mode and command mode according to whether layer changes are detected, providing adaptability to different display scenarios while optimizing bandwidth consumption
Solution Approach 2:
The invention makes the display interface multi-functional by supporting both video mode and command mode operations within the same system. This allows the system to handle both static and dynamic display scenarios appropriately, enhancing versatility while maintaining bandwidth efficiency
Data Source
AI summary
A device includes a display client configured to output pixel data at a display and a processor. The processor is configured to determine a composition of one or more layers for display at the display client. The processor is further configured to select a video mode or a command mode as a selected mode, based on the determined composition. Pixel data for each frame to be displayed is output to the display client when operating in the video mode. Pixel data for frames that include different pixel data for at least one pixel than a previously output frame is output to the display client when operating in the command mode. The processor is further configured to output an instruction to operate in the selected mode.