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Date:   Thu, 19 Sep 2019 13:34:06 +0530
From:   Balaji Pothunoori <bpothuno@codeaurora.org>
To:     Bob Copeland <me@bobcopeland.com>
Cc:     Kalle Valo <kvalo@codeaurora.org>, johannes@sipsolutions.net,
        Ashok Raj Nagarajan <arnagara@codeaurora.org>,
        linux-wireless@vger.kernel.org, ath10k@lists.infradead.org
Subject: Re: [PATCH v4 3/3] ath10k: add support for controlling tx power to a
 station
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On 2019-09-19 05:51, Bob Copeland wrote:
> On Wed, Sep 18, 2019 at 04:41:54PM +0300, Kalle Valo wrote:
>> Bob Copeland <me@bobcopeland.com> writes:
>> > - on A, changed the global tx power limit to 1 dBm
>> >   -> result: signal level dropped to ~ -95 dBm
>> >
>> > Reading the description above, now I'm wondering if the txpower is
>> > max(sta-power,global-power)?  If so, that seems a bit unintuitive to me,
>> > or at least isn't what I hoped for.  I'd prefer to have per-sta power
>> > setting override the global power.
>> 
>> Balaji, please reply to Bob's questions. I missed this thread while
>> applying v5, sorry Bob.
> 
> Just to follow-up, I ran more experiments since writing the above
> email and it didn't look like it was doing max() either -- at least
> on my hardware/firmware combo it had no effect at all that I could 
> tell.
> 

For QCA9984 allowed tx power range values from 6 to 23,
Same info mentioned in : https://patchwork.kernel.org/patch/10968517/

> I did verify that the wmi update went through to the firmware.
> 
> I can't remember now, but I may have been testing mesh mode in case
> that makes a difference.

We gave fix for tx power configuration in firmware 10.4-3.9.0.2-00046 .

Can you try with that ?


Regards,
Balaji.