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ADL2_Display_WriteAndReadI2C writes are broken on Polaris/Vega #19

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K900 opened this issue Feb 2, 2021 · 0 comments
Open

ADL2_Display_WriteAndReadI2C writes are broken on Polaris/Vega #19

K900 opened this issue Feb 2, 2021 · 0 comments

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@K900
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K900 commented Feb 2, 2021

Writing I2C registers with ADL2_Display_WriteAndReadI2C is very inconsistent on Polaris/Vega GPUs (tested on RX 580 and RX Vega 56) - it seems like the first byte of the payload is often not written to the bus. Navi cards seemingly work fine.
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