[PATCH 5.14 061/169] drm/kmb: Corrected typo in handle_lcd_irq

[Greg Kroah-Hartman]

From: Anitha Chrisanthus <anitha.chrisanthus@xxxxxxxxx>

[ Upstream commit 004d2719806fb8e355c1bccd538e82c04319d391 ]

Check for Overflow bits for layer3 in the irq handler.

Fixes: 7f7b96a8a0a1 ("drm/kmb: Add support for KeemBay Display")
Signed-off-by: Anitha Chrisanthus <anitha.chrisanthus@xxxxxxxxx>
Acked-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20211013233632.471892-5-anitha.chrisanthus@xxxxxxxxx
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/gpu/drm/kmb/kmb_drv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/kmb/kmb_drv.c b/drivers/gpu/drm/kmb/kmb_drv.c
index f54392ec4fab..bb7eca9e13ae 100644
--- a/drivers/gpu/drm/kmb/kmb_drv.c
+++ b/drivers/gpu/drm/kmb/kmb_drv.c
@@ -381,7 +381,7 @@ static irqreturn_t handle_lcd_irq(struct drm_device *dev)
 		if (val & LAYER3_DMA_FIFO_UNDERFLOW)
 			drm_dbg(&kmb->drm,
 				"LAYER3:GL1 DMA UNDERFLOW val = 0x%lx", val);
-		if (val & LAYER3_DMA_FIFO_UNDERFLOW)
+		if (val & LAYER3_DMA_FIFO_OVERFLOW)
 			drm_dbg(&kmb->drm,
 				"LAYER3:GL1 DMA OVERFLOW val = 0x%lx", val);
 	}
-- 
2.33.0