From: Anitha Chrisanthus anitha.chrisanthus@intel.com
[ 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@intel.com Acked-by: Sam Ravnborg sam@ravnborg.org Link: https://patchwork.freedesktop.org/patch/msgid/20211013233632.471892-5-anitha... Signed-off-by: Maarten Lankhorst maarten.lankhorst@linux.intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- 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); }