Hi, Yongqiang:
On Fri, 2020-01-03 at 11:12 +0800, Yongqiang Niu wrote:
> there will be more sout case in the future,
> make the sout function format same mtk_ddp_sel_in
>
Reviewed-by: CK Hu <ck...@mediatek.com>
> Signed-off-by: Yongqiang Niu <yongqiang....@mediatek.com>
> ---
> drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 24 ++++++++++++++++--------
> 1 file changed, 16 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> index d66ce31..ae08fc4 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c
> @@ -386,17 +386,23 @@ static unsigned int mtk_ddp_sel_in(enum mtk_ddp_comp_id
> cur,
> return value;
> }
>
> -static void mtk_ddp_sout_sel(struct regmap *config_regs,
> - enum mtk_ddp_comp_id cur,
> - enum mtk_ddp_comp_id next)
> +static unsigned int mtk_ddp_sout_sel(enum mtk_ddp_comp_id cur,
> + enum mtk_ddp_comp_id next,
> + unsigned int *addr)
> {
> + unsigned int value;
> +
> if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DSI0) {
> - regmap_write(config_regs, DISP_REG_CONFIG_OUT_SEL,
> - BLS_TO_DSI_RDMA1_TO_DPI1);
> + *addr = DISP_REG_CONFIG_OUT_SEL;
> + value = BLS_TO_DSI_RDMA1_TO_DPI1;
> } else if (cur == DDP_COMPONENT_BLS && next == DDP_COMPONENT_DPI0) {
> - regmap_write(config_regs, DISP_REG_CONFIG_OUT_SEL,
> - BLS_TO_DPI_RDMA1_TO_DSI);
> + *addr = DISP_REG_CONFIG_OUT_SEL;
> + value = BLS_TO_DPI_RDMA1_TO_DSI;
> + } else {
> + value = 0;
> }
> +
> + return value;
> }
>
> void mtk_ddp_add_comp_to_path(struct regmap *config_regs,
> @@ -409,7 +415,9 @@ void mtk_ddp_add_comp_to_path(struct regmap *config_regs,
> if (value)
> regmap_update_bits(config_regs, addr, value, value);
>
> - mtk_ddp_sout_sel(config_regs, cur, next);
> + value = mtk_ddp_sout_sel(cur, next, &addr);
> + if (value)
> + regmap_update_bits(config_regs, addr, value, value);
>
> value = mtk_ddp_sel_in(cur, next, &addr);
> if (value)
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