Commit 09f4417a authored by Deren Wu's avatar Deren Wu Committed by Felix Fietkau
Browse files

wifi: mt76: mt7921: reduce polling time in pmctrl 



Due to the polling tick is 10ms, the wake up flow in the status waiting
would cause more 10~20ms than the real HW response time. Reduce
tick-interval from 10ms to 1ms to get better network performance, such
as ping latency, in low power mode.

Reviewed-by: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: default avatarDeren Wu <deren.wu@mediatek.com>
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
parent 35effe6c

drivers/net/wireless/mediatek/mt76/mt7921/pci_mcu.c

+4 −4
Original line number Diff line number Diff line
@@ -68,8 +68,8 @@ int __mt7921e_mcu_drv_pmctrl(struct mt7921_dev *dev) 


	for (i = 0; i < MT7921_DRV_OWN_RETRY_COUNT; i++) {

		mt76_wr(dev, MT_CONN_ON_LPCTL, PCIE_LPCR_HOST_CLR_OWN);

		if (mt76_poll_msec(dev, MT_CONN_ON_LPCTL,

				   PCIE_LPCR_HOST_OWN_SYNC, 0, 50))

		if (mt76_poll_msec_tick(dev, MT_CONN_ON_LPCTL,

					PCIE_LPCR_HOST_OWN_SYNC, 0, 50, 1))

			break;

	}
@@ -109,8 +109,8 @@ int mt7921e_mcu_fw_pmctrl(struct mt7921_dev *dev) 


	for (i = 0; i < MT7921_DRV_OWN_RETRY_COUNT; i++) {

		mt76_wr(dev, MT_CONN_ON_LPCTL, PCIE_LPCR_HOST_SET_OWN);

		if (mt76_poll_msec(dev, MT_CONN_ON_LPCTL,

				   PCIE_LPCR_HOST_OWN_SYNC, 4, 50))

		if (mt76_poll_msec_tick(dev, MT_CONN_ON_LPCTL,

					PCIE_LPCR_HOST_OWN_SYNC, 4, 50, 1))

			break;

	}