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SubjectRe: [PATCH 1/2] soc: mediatek: Add mmsys func to adapt to dpi output for MT8186
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On 01/07/2022 05:15, xinlei.lee@mediatek.com wrote:
> From: Xinlei Lee <xinlei.lee@mediatek.com>
>
> Add mmsys func to manipulate dpi output format config for MT8186.
>
> Signed-off-by: Jitao Shi <jitao.shi@mediatek.com>
> Signed-off-by: Xinlei Lee <xinlei.lee@mediatek.com>
> ---
> drivers/soc/mediatek/mt8186-mmsys.h | 1 +
> drivers/soc/mediatek/mtk-mmsys.c | 8 ++++++++
> include/linux/soc/mediatek/mtk-mmsys.h | 2 ++
> 3 files changed, 11 insertions(+)
>
> diff --git a/drivers/soc/mediatek/mt8186-mmsys.h b/drivers/soc/mediatek/mt8186-mmsys.h
> index eb1ad9c37a9c..0b450b00b829 100644
> --- a/drivers/soc/mediatek/mt8186-mmsys.h
> +++ b/drivers/soc/mediatek/mt8186-mmsys.h
> @@ -3,6 +3,7 @@
> #ifndef __SOC_MEDIATEK_MT8186_MMSYS_H
> #define __SOC_MEDIATEK_MT8186_MMSYS_H
>
> +#define MT8186_MMSYS_DUMMY0 0X400

I don't have access to the datasheet, but I really wonder if it's really called
dummy0. If so, you would need to explain in more detail in the commit message.

Regards,
Matthias

> #define MT8186_MMSYS_OVL_CON 0xF04
> #define MT8186_MMSYS_OVL0_CON_MASK 0x3
> #define MT8186_MMSYS_OVL0_2L_CON_MASK 0xC
> diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
> index 2b0b805c65dd..de3f11cb931f 100644
> --- a/drivers/soc/mediatek/mtk-mmsys.c
> +++ b/drivers/soc/mediatek/mtk-mmsys.c
> @@ -252,6 +252,14 @@ void mtk_mmsys_ddp_disconnect(struct device *dev,
> }
> EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_disconnect);
>
> +void mtk_mmsys_ddp_dpi_confing(struct device *dev, u32 mask, u32 val,
> + struct cmdq_pkt *cmdq_pkt)
> +{
> + mtk_mmsys_update_bits(dev_get_drvdata(dev), MT8186_MMSYS_DUMMY0, mask,
> + val, cmdq_pkt);
> +}
> +EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_dpi_confing);
> +
> void mtk_mmsys_merge_async_config(struct device *dev, int idx, int width, int height,
> struct cmdq_pkt *cmdq_pkt)
> {
> diff --git a/include/linux/soc/mediatek/mtk-mmsys.h b/include/linux/soc/mediatek/mtk-mmsys.h
> index 343e093f0fc3..40c538c0664b 100644
> --- a/include/linux/soc/mediatek/mtk-mmsys.h
> +++ b/include/linux/soc/mediatek/mtk-mmsys.h
> @@ -90,4 +90,6 @@ void mtk_mmsys_mixer_in_config(struct device *dev, int idx, bool alpha_sel, u16
> void mtk_mmsys_mixer_in_channel_swap(struct device *dev, int idx, bool channel_swap,
> struct cmdq_pkt *cmdq_pkt);
>
> +void mtk_mmsys_ddp_dpi_confing(struct device *dev, u32 mask, u32 val,
> + struct cmdq_pkt *cmdq_pkt);
> #endif /* __MTK_MMSYS_H */

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