Messages in this thread | | | Subject | Re: [PATCH v2 12/15] drm/mediatek: add callback function to return RDMA layer number | From | CK Hu <> | Date | Fri, 3 Aug 2018 13:13:22 +0800 |
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Hi, Stu:
On Fri, 2018-08-03 at 11:11 +0800, Stu Hsieh wrote: > This patch add callback function to return RDMA layer number > > Signed-off-by: Stu Hsieh <stu.hsieh@mediatek.com> > --- > drivers/gpu/drm/mediatek/mtk_disp_rdma.c | 10 ++++++++++ > 1 file changed, 10 insertions(+) > > diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c > index b728f0f42611..8c145a87c9e5 100644 > --- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c > +++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c > @@ -60,6 +60,7 @@ > > struct mtk_disp_rdma_data { > unsigned int fifo_size; > + unsigned int layer_nr; > }; > > /** > @@ -194,6 +195,13 @@ static unsigned int rdma_fmt_convert(struct mtk_disp_rdma *rdma, > } > } > > +static unsigned int mtk_rdma_layer_nr(struct mtk_ddp_comp *comp) > +{ > + struct mtk_disp_rdma *rdma = comp_to_rdma(comp); > + > + return rdma->data->layer_nr;
Maybe RDMA always has one layer, so you could just return 1 here.
Regards, CK
> +} > + > static void mtk_rdma_layer_config(struct mtk_ddp_comp *comp, unsigned int idx, > struct mtk_plane_state *state) > { > @@ -227,6 +235,7 @@ static const struct mtk_ddp_comp_funcs mtk_disp_rdma_funcs = { > .stop = mtk_rdma_stop, > .enable_vblank = mtk_rdma_enable_vblank, > .disable_vblank = mtk_rdma_disable_vblank, > + .layer_nr = mtk_rdma_layer_nr, > .layer_config = mtk_rdma_layer_config, > }; > > @@ -329,6 +338,7 @@ static const struct mtk_disp_rdma_data mt2701_rdma_driver_data = { > > static const struct mtk_disp_rdma_data mt8173_rdma_driver_data = { > .fifo_size = SZ_8K, > + .layer_nr = 1, > }; > > static const struct of_device_id mtk_disp_rdma_driver_dt_match[] = {
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