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STATUS_GRAPHICS_INVALID_ACTIVE_REGION
Active image area is not the complete signal period
The active region is the portion of each timing interval that carries visible pixels or lines. It must be compatible with the total region and with the mode’s other timing fields. This status points to an invalid active-width or active-height definition, not simply a monitor that declined a resolution.
For a valid signal, active dimensions cannot be interpreted independently of blanking and total dimensions. A calculation that mixes pixel counts with byte strides, uses an overflowed total, or swaps horizontal and vertical fields can produce this result before any physical output is programmed.
Check the signal descriptor
- Record active width/height and the corresponding total widths/heights in the exact units used by the structure.
- Verify that scaling and rotation have not been applied twice when deriving a target mode.
- Compare the generated timing with a known-good EDID detailed timing instead of changing only the refresh-rate field.
References
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