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Linux/AM5728: Number of GBM buffers

Part Number: AM5728

Tool/software: Linux

Hello

Sometimes it seems that the display processing is delayed on the DSS side.
At this time, it looks that screen tearing(flickering) occurs by overwriting the graphic buffer.
I would like to increase the number of gbm(egl?) buffers and try the same test.
Currently, gbm_surface_lock() returns 3 buffer addresses, so it seems to do triple buffering.
Is there a way to increase the number of buffers?

Best regards.