The larb device remains NULL if the type is MTK_DISP_OVL_2L.
A kernel panic is raised when a crtc uses mtk_smi_larb_get or
mtk_smi_larb_put.
Signed-off-by: Phong LE <p...@baylibre.com>
---
drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
index 1f5a112bb034..57c88de9a329 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
@@ -471,6 +471,7 @@ int mtk_ddp_comp_init(struct device *dev, struct
device_node *node,
/* Only DMA capable components need the LARB property */
comp->larb_dev = NULL;
if (type != MTK_DISP_OVL &&
+ type != MTK_DISP_OVL_2L &&
type != MTK_DISP_RDMA &&
type != MTK_DISP_WDMA)
return 0;
--
2.17.1
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