Hi, Yongqiang: On Thu, 2019-08-29 at 22:50 +0800, yongqiang.niu@xxxxxxxxxxxx wrote: > From: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx> > > This patch add layer_nr for ovl private data > ovl_2l almost same with with ovl hardware, except the > layer number for ovl_2l is 2 and ovl is 4. > this patch is a preparation for ovl-2l and > ovl share the same driver. > Applied to mediatek-drm-next-5.5 [1], thanks. [1] https://github.com/ckhu-mediatek/linux.git-tags/commits/mediatek-drm-next-5.5 Regards, CK > Signed-off-by: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx> > Reviewed-by: CK Hu <ck.hu@xxxxxxxxxxxx> > --- > drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c > index 82eaefd..baef066 100644 > --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c > +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c > @@ -52,6 +52,7 @@ > struct mtk_disp_ovl_data { > unsigned int addr; > unsigned int gmc_bits; > + unsigned int layer_nr; > bool fmt_rgb565_is_0; > }; > > @@ -129,7 +130,9 @@ static void mtk_ovl_config(struct mtk_ddp_comp *comp, unsigned int w, > > static unsigned int mtk_ovl_layer_nr(struct mtk_ddp_comp *comp) > { > - return 4; > + struct mtk_disp_ovl *ovl = comp_to_ovl(comp); > + > + return ovl->data->layer_nr; > } > > static void mtk_ovl_layer_on(struct mtk_ddp_comp *comp, unsigned int idx) > @@ -334,12 +337,14 @@ static int mtk_disp_ovl_remove(struct platform_device *pdev) > static const struct mtk_disp_ovl_data mt2701_ovl_driver_data = { > .addr = DISP_REG_OVL_ADDR_MT2701, > .gmc_bits = 8, > + .layer_nr = 4, > .fmt_rgb565_is_0 = false, > }; > > static const struct mtk_disp_ovl_data mt8173_ovl_driver_data = { > .addr = DISP_REG_OVL_ADDR_MT8173, > .gmc_bits = 8, > + .layer_nr = 4, > .fmt_rgb565_is_0 = true, > }; >
