Hi, Bibby:
On Fri, 2018-09-21 at 11:28 +0800, Bibby Hsieh wrote:
> From: chunhui dai <chunhui....@mediatek.com>
>
> This patch adds dpi dirver suppot for both mt2701 and mt7623.
> And also support other (existing or future) chips that use
> the same binding and driver.
>
Reviewed-by: CK Hu <ck...@mediatek.com>
> Signed-off-by: chunhui dai <chunhui....@mediatek.com>
> ---
> drivers/gpu/drm/mediatek/mtk_dpi.c | 21 +++++++++++++++++++++
> drivers/gpu/drm/mediatek/mtk_drm_drv.c | 2 ++
> 2 files changed, 23 insertions(+)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c
> b/drivers/gpu/drm/mediatek/mtk_dpi.c
> index 7a4868a0afec..a9d8231a0a9e 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dpi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
> @@ -688,11 +688,29 @@ static unsigned int mt8173_calculate_factor(int clock)
> return 3 << 1;
> }
>
> +static unsigned int mt2701_calculate_factor(int clock)
> +{
> + if (clock <= 64000)
> + return 16;
> + else if (clock <= 128000)
> + return 8;
> + else if (clock <= 256000)
> + return 4;
> + else
> + return 2;
> +}
> +
> static const struct mtk_dpi_conf mt8173_conf = {
> .cal_factor = mt8173_calculate_factor,
> .reg_h_fre_con = 0xe0,
> };
>
> +static const struct mtk_dpi_conf mt2701_conf = {
> + .cal_factor = mt2701_calculate_factor,
> + .reg_h_fre_con = 0xb0,
> + .edge_sel_en = true,
> +};
> +
> static int mtk_dpi_probe(struct platform_device *pdev)
> {
> struct device *dev = &pdev->dev;
> @@ -784,6 +802,9 @@ static int mtk_dpi_remove(struct platform_device *pdev)
> }
>
> static const struct of_device_id mtk_dpi_of_ids[] = {
> + { .compatible = "mediatek,mt2701-dpi",
> + .data = &mt2701_conf,
> + },
> { .compatible = "mediatek,mt8173-dpi",
> .data = &mt8173_conf,
> },
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> index 39721119713b..d961112fa2f5 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c
> @@ -424,6 +424,8 @@ static const struct of_device_id mtk_ddp_comp_dt_ids[] = {
> .data = (void *)MTK_DSI },
> { .compatible = "mediatek,mt8173-dsi",
> .data = (void *)MTK_DSI },
> + { .compatible = "mediatek,mt2701-dpi",
> + .data = (void *)MTK_DPI },
> { .compatible = "mediatek,mt8173-dpi",
> .data = (void *)MTK_DPI },
> { .compatible = "mediatek,mt2701-disp-mutex",
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