Re: [PATCH] rtw88: coex: Fix ACL Tx pause during BT inquiry/page.

[Kalle Valo <kvalo@codeaurora.org>]

<yhchuang@realtek.com> wrote:

> From: Zong-Zhe Yang <kevin_yang@realtek.com>
> 
> Add a set of logic with corresponding coexistence parameters to
> handle the situation under BT inquiry/page.
> 
> We will set PSTDMA while WL-Busy + BT inquiry/page to separate
> WL/BT slots. PSTDMA can protect WL data rate and BT performance.
> 
> If WL-Busy + BT inquiry/page and there was BT device paired,
> We will set the mechanism to 4Slot PSTDMA.
> In 4Slot PSTDMA, the paired devices can perform more smoothly
> and prevent some issues trigger from insufficient data.
> 
> And to avoid A2DP glitch or disconnection, we will adjust ACL
> data priority higher than inquiry/page.
> 
> In addition, we found sometimes BT inquiry/page still working
> last for seconds after BT had notified inquiry/page finished.
> It will lead to A2DP glitch cause of ACL data, inquiry/page
> priority toggled. To fix the corner, we add a timer to remain
> the inquiry/page status.
> 
> And we found WL busy/idle threshold is too sensitive,
> it will keep switching in some weak network environment and
> coexistence mechanism will switch between TDMA and PSTDMA.
> 
> The very frequently switching may destroyed not only the
> handshake with AP, but BT performance. And it will trigger
> some unexpected error.
> 
> To prevent the frequently switching, we add a timer to delay
> the status change while WL busy switch to idle.
> 
> Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
> Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>

Patch applied to wireless-drivers-next.git, thanks.

001a3c902f6f rtw88: coex: Fix ACL Tx pause during BT inquiry/page.

-- 
https://patchwork.kernel.org/patch/11664065/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches