From: Andrey Skvortsov <andrej.skvortzov@gmail.com>
To: Vasily Khoruzhick <anarsoul@gmail.com>
Cc: Ping-Ke Shih <pkshih@realtek.com>, Kalle Valo <kvalo@kernel.org>,
Fiona Klute <fiona.klute@gmx.de>,
Bitterblue Smith <rtl8821cerfe2@gmail.com>,
linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org,
stable@vger.kernel.org
Subject: Re: [PATCH] wifi: rtw88: 8703b: Fix RX/TX issues
Date: Fri, 3 Jan 2025 22:02:08 +0300 [thread overview]
Message-ID: <Z3g0MLOJlLsPnF1m@skv.local> (raw)
In-Reply-To: <20250103075107.1337533-1-anarsoul@gmail.com>
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@vger.kernel.org
> Fixes: 9bb762b3a957 ("wifi: rtw88: Add definitions for 8703b chip")
> Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Tested-by: Andrey Skvortsov <andrej.skvortzov@gmail.com>
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
next prev parent reply other threads:[~2025-01-03 19:02 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-03 7:50 [PATCH] wifi: rtw88: 8703b: Fix RX/TX issues Vasily Khoruzhick
2025-01-03 9:12 ` Ping-Ke Shih
2025-01-03 11:55 ` Fiona Klute
2025-01-03 19:12 ` Vasily Khoruzhick
2025-01-03 17:30 ` Vasily Khoruzhick
2025-01-06 0:31 ` Ping-Ke Shih
2025-01-03 19:02 ` Andrey Skvortsov [this message]
2025-01-03 19:10 ` Vasily Khoruzhick
2025-01-03 20:19 ` Andrey Skvortsov
2025-01-03 20:53 ` Vasily Khoruzhick
2025-01-03 22:57 ` Andrey Skvortsov
2025-01-12 2:02 ` Ping-Ke Shih
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