This improves 160MHz performance degradation with certain APs.
Some ICs transmit preamble that are hard to decode by others, continuous
retries then yield low throughput. Fix it with pre-calculated antenna
matrices.
Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230929004024.7504-3-pkshih@realtek.com