mt76: mt7615: decrease rx ring size for MT7622

Since it's 2.4 GHz only, it needs fewer buffers

Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/dma.c b/drivers/net/wireless/mediatek/mt76/mt7615/dma.c
index 41dea1a..aeccb35 100644 (file)
--- 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;