[PATCH rtw-next 02/14] wifi: rtw89: 8922d: disable VCORE for thermal protection by default
Ping-Ke Shih <[email protected]>
| Newsgroups | org.kernel.vger.linux-wireless |
|---|---|
| Message-ID | <[email protected]> |
From: Chih-Wen Hsiao <[email protected]> To ensure the stability of the thermal protection mechanism, the primary approach is to reduce the transmit (TX) duty cycle; the option to lower the voltage(VCORE) is disabled by default. Signed-off-by: Chih-Wen Hsiao <[email protected]> Signed-off-by: Ping-Ke Shih <[email protected]> --- drivers/net/wireless/realtek/rtw89/core.h | 1 + drivers/net/wireless/realtek/rtw89/rtw8922d.c | 3 +++ 2 files changed, 4 insertions(+) diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h index b1a0103aaf0c..a2f6e68987a9 100644 --- a/drivers/net/wireless/realtek/rtw89/core.h +++ b/drivers/net/wireless/realtek/rtw89/core.h @@ -6463,6 +6463,7 @@ enum rtw89_quirks { RTW89_QUIRK_PCI_BER, RTW89_QUIRK_THERMAL_PROT_120C, RTW89_QUIRK_THERMAL_PROT_110C, + RTW89_QUIRK_THERMAL_PROT_VCORE, RTW89_QUIRK_HW_INFO_SYSFS, RTW89_QUIRK_DISABLE_2GHZ, RTW89_QUIRK_LOW_LATENCY, diff --git a/drivers/net/wireless/realtek/rtw89/rtw8922d.c b/drivers/net/wireless/realtek/rtw89/rtw8922d.c index 142e693c87bf..a9737c674ecb 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8922d.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8922d.c @@ -901,6 +901,9 @@ static int rtw8922d_read_sys(struct rtw89_dev *rtwdev, u8 *log_map) u16 digk; u8 vmin; + if (!test_bit(RTW89_QUIRK_THERMAL_PROT_VCORE, rtwdev->quirks)) + return 0; + digk = log_map[0x200] | log_map[0x201] << 8; hal->thermal_prot_vmax = u16_get_bits(digk, B_BE_PWMTUNE_MASK); -- 2.25.1