This is a note to let you know that I've just added the patch titled
wifi: mt76: mt7996: fix WA event ring size
to the 6.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
wifi-mt76-mt7996-fix-wa-event-ring-size.patch
and it can be found in the queue-6.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit c9f694858b9528f801c92c38af3874efd15db606
Author: StanleyYP Wang <StanleyYP.Wang@xxxxxxxxxxxx>
Date: Mon Jun 5 23:21:39 2023 +0800
wifi: mt76: mt7996: fix WA event ring size
[ Upstream commit 1634de418b3048c5f435b6ffd37f75943c554c04 ]
Fix rx ring size of WA event to get rid of event loss and queue overflow
problems.
Fixes: 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices")
Signed-off-by: StanleyYP Wang <StanleyYP.Wang@xxxxxxxxxxxx>
Signed-off-by: Shayne Chen <shayne.chen@xxxxxxxxxxxx>
Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/dma.c b/drivers/net/wireless/mediatek/mt76/mt7996/dma.c
index 534143465d9b3..fbedaacffbba5 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/dma.c
@@ -293,7 +293,7 @@ int mt7996_dma_init(struct mt7996_dev *dev)
/* event from WA */
ret = mt76_queue_alloc(dev, &dev->mt76.q_rx[MT_RXQ_MCU_WA],
MT_RXQ_ID(MT_RXQ_MCU_WA),
- MT7996_RX_MCU_RING_SIZE,
+ MT7996_RX_MCU_RING_SIZE_WA,
MT_RX_BUF_SIZE,
MT_RXQ_RING_BASE(MT_RXQ_MCU_WA));
if (ret)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h b/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h
index 4d7dcb95a620a..b8bcad717d89f 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h
@@ -26,6 +26,7 @@
#define MT7996_RX_RING_SIZE 1536
#define MT7996_RX_MCU_RING_SIZE 512
+#define MT7996_RX_MCU_RING_SIZE_WA 1024
#define MT7996_FIRMWARE_WA "mediatek/mt7996/mt7996_wa.bin"
#define MT7996_FIRMWARE_WM "mediatek/mt7996/mt7996_wm.bin"
