From 8c90c2253eeaebc3ab708ea550c17c2668b6ff6c Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Thu, 19 Dec 2019 22:21:44 +0100
Subject: [PATCH] mt76: mt7615: decrease rx ring size for MT7622
Git-commit: 8c90c2253eeaebc3ab708ea550c17c2668b6ff6c
Patch-mainline: v5.7-rc1
References: jsc#SLE-13430
Since it's 2.4 GHz only, it needs fewer buffers
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/net/wireless/mediatek/mt76/mt7615/dma.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/dma.c b/drivers/net/wireless/mediatek/mt76/mt7615/dma.c
index 41dea1aa58db..aeccb35e14f3 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/dma.c
@@ -188,6 +188,7 @@ static void mt7622_dma_sched_init(struct mt7615_dev *dev)
int mt7615_dma_init(struct mt7615_dev *dev)
{
+ int rx_ring_size = MT7615_RX_RING_SIZE;
int ret;
mt76_dma_attach(&dev->mt76);
@@ -236,9 +237,11 @@ int mt7615_dma_init(struct mt7615_dev *dev)
if (ret)
return ret;
+ if (!is_mt7615(&dev->mt76))
+ rx_ring_size /= 2;
+
ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MAIN], 0,
- MT7615_RX_RING_SIZE, MT_RX_BUF_SIZE,
- MT_RX_RING_BASE);
+ rx_ring_size, MT_RX_BUF_SIZE, MT_RX_RING_BASE);
if (ret)
return ret;
--
2.16.4