Hi, Yongqiang: On Thu, 2019-08-29 at 22:50 +0800, yongqiang.niu@xxxxxxxxxxxx wrote: > From: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx> > > this patch add add connection from OVL_2L0 to RDMA0 Reviewed-by: CK Hu <ck.hu@xxxxxxxxxxxx> > > Signed-off-by: Yongqiang Niu <yongqiang.niu@xxxxxxxxxxxx> > --- > drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) > > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c > index aa6173b..943e114 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c > +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c > @@ -33,6 +33,12 @@ > #define DISP_REG_CONFIG_DSI_SEL 0x050 > #define DISP_REG_CONFIG_DPI_SEL 0x064 > > +#define MT8183_DISP_OVL0_2L_MOUT_EN 0xf04 > +#define MT8183_DISP_PATH0_SEL_IN 0xf24 > + > +#define OVL0_2L_MOUT_EN_DISP_PATH0 BIT(0) > +#define DISP_PATH0_SEL_IN_OVL0_2L 0x1 > + > #define MT2701_DISP_MUTEX0_MOD0 0x2c > #define MT2701_DISP_MUTEX0_SOF0 0x30 > > @@ -307,6 +313,10 @@ static unsigned int mtk_ddp_mout_en(const struct mtk_mmsys_reg_data *data, > } else if (cur == DDP_COMPONENT_OVL0 && next == DDP_COMPONENT_OVL_2L0) { > *addr = data->ovl0_mout_en; > value = OVL0_MOUT_EN_OVL0_2L; > + } else if (cur == DDP_COMPONENT_OVL_2L0 && > + next == DDP_COMPONENT_RDMA0) { > + *addr = MT8183_DISP_OVL0_2L_MOUT_EN; > + value = OVL0_2L_MOUT_EN_DISP_PATH0; > } else { > value = 0; > } > @@ -366,6 +376,10 @@ static unsigned int mtk_ddp_sel_in(const struct mtk_mmsys_reg_data *data, > } else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0) { > *addr = DISP_REG_CONFIG_DSI_SEL; > value = DSI_SEL_IN_BLS; > + } else if (cur == DDP_COMPONENT_OVL_2L0 && > + next == DDP_COMPONENT_RDMA0) { > + *addr = MT8183_DISP_PATH0_SEL_IN; > + value = DISP_PATH0_SEL_IN_OVL0_2L; > } else { > value = 0; > }