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.
Signed-off-by: Hsiao Chien Sung <shawn.s...@mediatek.com> --- .../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) -- 2.18.0