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.
Fixes:
b17bdd0d7a73 ("drm/mediatek: add component OVL_2L0")
Signed-off-by: Phong LE <ple@baylibre.com>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
/* 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;