Re: [PATCH] wifi: rtw88: 8703b: Fix RX/TX issues

[Andrey Skvortsov]

On 25-01-02 23:50, Vasily Khoruzhick wrote:
> Fix 3 typos in 8703b driver. 2 typos in calibration routines are not
> fatal and do not seem to have any impact, just fix them to match vendor
> driver.
> 
> However the last one in rtw8703b_set_channel_bb() clears too many bits
> in REG_OFDM0_TX_PSD_NOISE, causing TX and RX issues (neither rate goes
> above MCS0-MCS1). Vendor driver clears only 2 most significant bits.
> 
> With the last typo fixed, the driver is able to reach MCS7 on Pinebook
> 
> Cc: stable@xxxxxxxxxxxxxxx
> Fixes: 9bb762b3a957 ("wifi: rtw88: Add definitions for 8703b chip")
> Signed-off-by: Vasily Khoruzhick <anarsoul@xxxxxxxxx>

Tested-by: Andrey Skvortsov <andrej.skvortzov@xxxxxxxxx>

Thank you, Vasily, for fixing that. Performance is much better with
the fix. Here are iperf results made on PinePhone:

1. without the patch using rtw88 driver
  1.98 Mbits/sec

2. with the patch using rtw88 driver
  14.0 Mbits/sec

3. using old vendor 8723cs driver
  23.6 Mbits/sec

 
-- 
Best regards,
Andrey Skvortsov