Re: [PATCH 2/2] drm/mediatek: mtk_hdmi: add MT8167 support for HDMI

From: Fabien Parent
Date: Tue Oct 13 2020 - 14:09:54 EST


On Tue, Oct 13, 2020 at 7:28 PM Fabien Parent <fparent@xxxxxxxxxxxx> wrote:
>
> Add support for HDMI on MT8167. HDMI on MT8167 is similar to
> MT8173/MT2701 execpt for the two registers: SYS_CFG1C and SYS_CFG20
>
> Signed-off-by: Fabien Parent <fparent@xxxxxxxxxxxx>
> ---
> drivers/gpu/drm/mediatek/mtk_hdmi.c | 7 +++++++
> drivers/gpu/drm/mediatek/mtk_hdmi_regs.h | 2 ++
> 2 files changed, 9 insertions(+)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c
> index c70f195c21be..7762be5cb446 100644
> --- a/drivers/gpu/drm/mediatek/mtk_hdmi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c
> @@ -1835,9 +1835,16 @@ static struct mtk_hdmi_data mt8173_hdmi_driver_data = {
> .sys_cfg20 = HDMI_SYS_CFG20,
> };
>
> +static struct mtk_hdmi_conf mt8167_hdmi_driver_data = {

Sent the wrong patch. Sending v2 soon.

> + .sys_cfg1c = MT8167_HDMI_SYS_CFG1C,
> + .sys_cfg20 = MT8167_HDMI_SYS_CFG20,
> +};
> +
> static const struct of_device_id mtk_drm_hdmi_of_ids[] = {
> { .compatible = "mediatek,mt8173-hdmi",
> .data = &mt8173_hdmi_driver_data },
> + { .compatible = "mediatek,mt8167-hdmi",
> + .data = &mt8167_hdmi_driver_data },
> {}
> };
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_regs.h b/drivers/gpu/drm/mediatek/mtk_hdmi_regs.h
> index 2050ba45b23a..a0f9c367d7aa 100644
> --- a/drivers/gpu/drm/mediatek/mtk_hdmi_regs.h
> +++ b/drivers/gpu/drm/mediatek/mtk_hdmi_regs.h
> @@ -195,6 +195,7 @@
> #define GEN_RGB (0 << 7)
>
> #define HDMI_SYS_CFG1C 0x000
> +#define MT8167_HDMI_SYS_CFG1C 0x800
> #define HDMI_ON BIT(0)
> #define HDMI_RST BIT(1)
> #define ANLG_ON BIT(2)
> @@ -211,6 +212,7 @@
> #define HTPLG_PIN_SEL_OFF BIT(30)
> #define AES_EFUSE_ENABLE BIT(31)
> #define HDMI_SYS_CFG20 0x004
> +#define MT8167_HDMI_SYS_CFG20 0x804
> #define DEEP_COLOR_MODE_MASK (3 << 1)
> #define COLOR_8BIT_MODE (0 << 1)
> #define COLOR_10BIT_MODE (1 << 1)
> --
> 2.28.0
>