Hi, Phong: On Wed, 2020-02-19 at 15:13 +0100, Phong LE wrote: > 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. > Reviewed-by: CK Hu <ck.hu@xxxxxxxxxxxx> > Signed-off-by: Phong LE <ple@xxxxxxxxxxxx> > --- > 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; _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel