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wifi: rtw89: acpi: process 6 GHz band policy from DSM

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Realtek ACPI DSM func 4, RTW89_ACPI_DSM_FUNC_6G_BP,
accepts a configuration via ACPI buffer as below.

| index | description   |
-------------------------
| [0-2] | signature     |
| [3]   | reserved      |
| [4]   | policy mode   |
| [5]   | country count |
| [6-]  | country list  |

Through this function, BIOS can indicate to allow/block
6 GHz on some specific countries. Still, driver should
follow regd first before taking this configuration into
account.

Besides, add a bit in debug mask for ACPI.

Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20231114091359.50664-2-pkshih@realtek.com
This commit is contained in:
Zong-Zhe Yang 2023-11-14 17:13:57 +08:00 • committed by Kalle Valo
commit 665ecff7dd
5 changed files with 109 additions and 19 deletions
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