Re: [PATCH] wifi: ath12k: fix tx power, max reg power update to firmware

[Kalle Valo <kvalo@kernel.org>]

"Nicolas Escande" <nico.escande@gmail.com> writes:

> On Mon Sep 9, 2024 at 11:07 AM CEST, Kalle Valo wrote:
>
>> "Nicolas Escande" <nico.escande@gmail.com> writes:
>>
>> > On Mon Sep 9, 2024 at 9:30 AM CEST, Santhosh Ramesh wrote:
>> >
>> > [...]
>> >
>> >> diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c
>> >> index 137394c36460..6d7a005d83b4 100644
>> >> --- a/drivers/net/wireless/ath/ath12k/mac.c
>> >> +++ b/drivers/net/wireless/ath/ath12k/mac.c
>> >> @@ -7217,9 +7217,9 @@ ath12k_mac_vdev_start_restart(struct ath12k_vif *arvif,
>> >>  							chandef->chan->band,
>> >>  							arvif->vif->type);
>> >>  	arg.min_power = 0;
>> >> -	arg.max_power = chandef->chan->max_power * 2;
>> >> -	arg.max_reg_power = chandef->chan->max_reg_power * 2;
>> >> -	arg.max_antenna_gain = chandef->chan->max_antenna_gain * 2;
>> >> +	arg.max_power = chandef->chan->max_power;
>> >> +	arg.max_reg_power = chandef->chan->max_reg_power;
>> >> +	arg.max_antenna_gain = chandef->chan->max_antenna_gain;
>> >>  
>> >
>> > For what it's worth, I already got a similar patch from QCA a few month ago, and
>> > it fixed some tx power problems when scanning so I know there is truth in this.
>>
>> What hardware and what firmware did you use? The firmware branches can
>> behave differently so whenever testing something it's good to include
>> that info.
>
> Well what I tested was with the additionnal patch provided. So depending on
> Santhosh response, I'll either give the proprer tested by tag, or if the patch
> isn't needed. I'll need to find some time to test it :)

Can you say what hardware (QCN9274 or WCN7850) you are using? I'm not
asking for Tested-on tag, just some extra information to help the
review.

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