Hi, Hsiao-chien: On Fri, 2023-10-06 at 15:38 +0800, Hsiao Chien Sung wrote: > By registering component related functions to the pointers, > we can easily manage them within a for-loop and simplify the > logic of component start/stop process. Reviewed-by: CK Hu <ck.hu@xxxxxxxxxxxx> > > Signed-off-by: Hsiao Chien Sung <shawn.sung@xxxxxxxxxxxx> > --- > .../gpu/drm/mediatek/mtk_disp_ovl_adaptor.c | 20 > +++++++++++++++++-- > 1 file changed, 18 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c > b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c > index 84133303a6ec..812a1df9732f 100644 > --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c > +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c > @@ -72,6 +72,8 @@ static const char * const > private_comp_stem[OVL_ADAPTOR_TYPE_NUM] = { > static const struct mtk_ddp_comp_funcs _ethdr = { > .clk_enable = mtk_ethdr_clk_enable, > .clk_disable = mtk_ethdr_clk_disable, > + .start = mtk_ethdr_start, > + .stop = mtk_ethdr_stop, > }; > > static const struct mtk_ddp_comp_funcs _merge = { > @@ -189,16 +191,30 @@ void mtk_ovl_adaptor_config(struct device *dev, > unsigned int w, > > void mtk_ovl_adaptor_start(struct device *dev) > { > + int i; > struct mtk_disp_ovl_adaptor *ovl_adaptor = > dev_get_drvdata(dev); > > - mtk_ethdr_start(ovl_adaptor- > >ovl_adaptor_comp[OVL_ADAPTOR_ETHDR0]); > + for (i = 0; i < OVL_ADAPTOR_ID_MAX; i++) { > + if (!ovl_adaptor->ovl_adaptor_comp[i] || > + !comp_matches[i].funcs->start) > + continue; > + > + comp_matches[i].funcs->start(ovl_adaptor- > >ovl_adaptor_comp[i]); > + } > } > > void mtk_ovl_adaptor_stop(struct device *dev) > { > + int i; > struct mtk_disp_ovl_adaptor *ovl_adaptor = > dev_get_drvdata(dev); > > - mtk_ethdr_stop(ovl_adaptor- > >ovl_adaptor_comp[OVL_ADAPTOR_ETHDR0]); > + for (i = 0; i < OVL_ADAPTOR_ID_MAX; i++) { > + if (!ovl_adaptor->ovl_adaptor_comp[i] || > + !comp_matches[i].funcs->stop) > + continue; > + > + comp_matches[i].funcs->stop(ovl_adaptor- > >ovl_adaptor_comp[i]); > + } > } > > int mtk_ovl_adaptor_clk_enable(struct device *dev)