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    Subject[PATCH 5.13 534/800] rtw88: 8822c: fix lc calibration timing
    Date
    From: Po-Hao Huang <phhuang@realtek.com>

    [ Upstream commit 05684fd583e1acc34dddea283838fbfbed4904a0 ]

    Before this patch, we use value from 2 seconds ago to decide
    whether we should do lc calibration.
    Although this don't happen frequently, fix flow to the way it should be.

    Fixes: 7ae7784ec2a8 ("rtw88: 8822c: add LC calibration for RTL8822C")
    Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
    Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
    Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
    Link: https://lore.kernel.org/r/20210426013252.5665-3-pkshih@realtek.com
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/net/wireless/realtek/rtw88/rtw8822c.c | 22 ++++++++++---------
    1 file changed, 12 insertions(+), 10 deletions(-)

    diff --git a/drivers/net/wireless/realtek/rtw88/rtw8822c.c b/drivers/net/wireless/realtek/rtw88/rtw8822c.c
    index 6cb593cc33c2..6d06f26a4894 100644
    --- a/drivers/net/wireless/realtek/rtw88/rtw8822c.c
    +++ b/drivers/net/wireless/realtek/rtw88/rtw8822c.c
    @@ -4371,26 +4371,28 @@ static void rtw8822c_pwrtrack_set(struct rtw_dev *rtwdev, u8 rf_path)
    }
    }

    -static void rtw8822c_pwr_track_path(struct rtw_dev *rtwdev,
    - struct rtw_swing_table *swing_table,
    - u8 path)
    +static void rtw8822c_pwr_track_stats(struct rtw_dev *rtwdev, u8 path)
    {
    - struct rtw_dm_info *dm_info = &rtwdev->dm_info;
    - u8 thermal_value, delta;
    + u8 thermal_value;

    if (rtwdev->efuse.thermal_meter[path] == 0xff)
    return;

    thermal_value = rtw_read_rf(rtwdev, path, RF_T_METER, 0x7e);
    -
    rtw_phy_pwrtrack_avg(rtwdev, thermal_value, path);
    +}

    - delta = rtw_phy_pwrtrack_get_delta(rtwdev, path);
    +static void rtw8822c_pwr_track_path(struct rtw_dev *rtwdev,
    + struct rtw_swing_table *swing_table,
    + u8 path)
    +{
    + struct rtw_dm_info *dm_info = &rtwdev->dm_info;
    + u8 delta;

    + delta = rtw_phy_pwrtrack_get_delta(rtwdev, path);
    dm_info->delta_power_index[path] =
    rtw_phy_pwrtrack_get_pwridx(rtwdev, swing_table, path, path,
    delta);
    -
    rtw8822c_pwrtrack_set(rtwdev, path);
    }

    @@ -4401,12 +4403,12 @@ static void __rtw8822c_pwr_track(struct rtw_dev *rtwdev)

    rtw_phy_config_swing_table(rtwdev, &swing_table);

    + for (i = 0; i < rtwdev->hal.rf_path_num; i++)
    + rtw8822c_pwr_track_stats(rtwdev, i);
    if (rtw_phy_pwrtrack_need_lck(rtwdev))
    rtw8822c_do_lck(rtwdev);
    -
    for (i = 0; i < rtwdev->hal.rf_path_num; i++)
    rtw8822c_pwr_track_path(rtwdev, &swing_table, i);
    -
    }

    static void rtw8822c_pwr_track(struct rtw_dev *rtwdev)
    --
    2.30.2


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