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