mt76: mt7603: increase dma mcu rx ring size

The ring is used for looping back tx powersave filtered frames, so it could
use some more room, in case more than one aggregate was queued
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7603/dma.c

@@ -221,7 +221,7 @@ int mt7603_dma_init(struct mt7603_dev *dev)
 		return ret;
 
 	ret = mt7603_init_rx_queue(dev, &dev->mt76.q_rx[MT_RXQ_MCU], 1,
-				   MT_MCU_RING_SIZE, MT_RX_BUF_SIZE);
+				   MT7603_MCU_RX_RING_SIZE, MT_RX_BUF_SIZE);
 	if (ret)
 		return ret;
 

drivers/net/wireless/mediatek/mt76/mt7603/mt7603.h

@@ -15,6 +15,7 @@
 
 #define MT7603_RATE_RETRY	2
 
+#define MT7603_MCU_RX_RING_SIZE	64
 #define MT7603_RX_RING_SIZE     128
 
 #define MT7603_FIRMWARE_E1	"mt7603_e1.bin"