drm/kmb: Corrected typo in handle_lcd_irq

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@intel.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20211013233632.471892-5-anitha.chrisanthus@intel.com
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>

diff --git a/drivers/gpu/drm/kmb/kmb_drv.c b/drivers/gpu/drm/kmb/kmb_drv.c
index 12ce669..961ac6f 100644 (file)
--- a/drivers/gpu/drm/kmb/kmb_drv.c
+++ b/drivers/gpu/drm/kmb/kmb_drv.c
@@ -380,7 +380,7 @@ 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);
        }