Re: [PATCH] wifi: rtw88: 8703b: avoid converting RX SNR twice

From: Luka Gejak

Date: Sat Oct 10 2026 - 14:49:35 EST


October 10, 2026 at 8:48 PM, "Luka Gejak" <luka.gejak@xxxxxxxxx> wrote:


>
> October 10, 2026 at 8:36 PM, "Hungyu Lin" <dennylin0707@xxxxxxxxx> wrote:
>
> >
> > query_phy_status_ofdm() divides the SNR report by two when filling
> > pkt_stat->rx_snr, then shifts it again when updating dm_info->rx_snr.
> > This halves the SNR used for diagnostics and average statistics.
> >
> > Store the raw report in pkt_stat->rx_snr and convert it only when
> > updating dm_info->rx_snr, as the other chip drivers do.
> >
> > Fixes: 61a486bcd782 ("wifi: rtw88: Add rtw8703b.c")
> > Signed-off-by: Hungyu Lin <dennylin0707@xxxxxxxxx>
> > ---
> > drivers/net/wireless/realtek/rtw88/rtw8703b.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/net/wireless/realtek/rtw88/rtw8703b.c b/drivers/net/wireless/realtek/rtw88/rtw8703b.c
> > index 25456f0367b2..1920277d626f 100644
> > --- a/drivers/net/wireless/realtek/rtw88/rtw8703b.c
> > +++ b/drivers/net/wireless/realtek/rtw88/rtw8703b.c
> > @@ -959,7 +959,7 @@ static void query_phy_status_ofdm(struct rtw_dev *rtwdev, u8 *phy_raw,
> > val_s8 = phy_status->path_agc[RF_PATH_A].gain & 0x3F;
> > pkt_stat->rx_power[RF_PATH_A] = (val_s8 * 2) - 110;
> > pkt_stat->rssi = rtw_phy_rf_power_2_rssi(pkt_stat->rx_power, 1);
> > - pkt_stat->rx_snr[RF_PATH_A] = (s8)(phy_status->path_rxsnr[RF_PATH_A] / 2);
> > + pkt_stat->rx_snr[RF_PATH_A] = phy_status->path_rxsnr[RF_PATH_A];
> >
> > /* signal power reported by HW */
> > val_s8 = phy_status->cck_sig_qual_ofdm_pwdb_all >> 1;
> >
> Mind explaining why did you resend this?
>

Ignore this email I misread the driver name.

Sorry.