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RE: EFUSE in RTW8723DS

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> -----Original Message-----
> From: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx>
> Sent: Saturday, December 23, 2023 6:40 PM
> To: Larry Finger <Larry.Finger@xxxxxxxxxxxx>
> Cc: Ping-Ke Shih <pkshih@xxxxxxxxxxx>; linux-wireless <linux-wireless@xxxxxxxxxxxxxxx>
> Subject: Re: EFUSE in RTW8723DS
> 
> Hi Larry,
> 
> apologies for my late reply.
> 
> On Tue, Nov 21, 2023 at 11:47 PM Larry Finger <Larry.Finger@xxxxxxxxxxxx> wrote:
> >
> >
> > Martin,
> >
> > As shown in
> > https://github.com/lwfinger/rtw88/issues/157#issuecomment-1820421821, driver
> > rtw88 shows a lot worse performance than the vendor driver for a chip with a
> > properly encoded EFUSE. Is this not a case of incorrect setting of the
> > calibration data?
> My current assumption is that the worse performance (= throughput) is
> related to the implementation in rtw88's SDIO code, not the
> programming of the RF parameters.
> I'm planning to look into this next week.
> I'd appreciate any hints from Ping-Ke on what to check / how to check
> (as long as I can do it with very basic equipment - in other words: I
> don't have an RF analyzer) :-)
> 

Sorry I don't have too much idea. Basically, I would like to use a sniffer to
capture packets and compare differences between rtw89 and vendor driver, and
then check PHY rate to bisect causes. 

Ping-Ke





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