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SubjectRe: [PATCH v3 1/4] drm/mediatek: Move tz_disabled from mtk_hdmi_phy to mtk_hdmi driver
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On Tue, 2020-03-31 at 23:57 +0800, Chun-Kuang Hu wrote:
> From: CK Hu <ck.hu@mediatek.com>
>
> tz_disabled is used to control mtk_hdmi output signal, but this variable
> is stored in mtk_hdmi_phy and mtk_hdmi_phy does not use it. So move
> tz_disabled to mtk_hdmi where it's used.
>
> Signed-off-by: CK Hu <ck.hu@mediatek.com>
> Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
> ---
> drivers/gpu/drm/mediatek/mtk_hdmi.c | 22 ++++++++++++++++---
> drivers/gpu/drm/mediatek/mtk_hdmi_phy.h | 1 -
> .../gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c | 1 -
> 3 files changed, 19 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c
> index 5e4a4dbda443..878433c09c9b 100644
> --- a/drivers/gpu/drm/mediatek/mtk_hdmi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c
> @@ -144,11 +144,16 @@ struct hdmi_audio_param {
> struct hdmi_codec_params codec_params;
> };
>
> +struct mtk_hdmi_conf {
> + bool tz_disabled;
> +};
> +
> struct mtk_hdmi {
> struct drm_bridge bridge;
> struct drm_bridge *next_bridge;
> struct drm_connector conn;
> struct device *dev;
> + const struct mtk_hdmi_conf *conf;
> struct phy *phy;
> struct device *cec_dev;
> struct i2c_adapter *ddc_adpt;
> @@ -230,7 +235,6 @@ static void mtk_hdmi_hw_vid_black(struct mtk_hdmi *hdmi, bool black)
> static void mtk_hdmi_hw_make_reg_writable(struct mtk_hdmi *hdmi, bool enable)
> {
> struct arm_smccc_res res;
> - struct mtk_hdmi_phy *hdmi_phy = phy_get_drvdata(hdmi->phy);
>
> /*
> * MT8173 HDMI hardware has an output control bit to enable/disable HDMI
> @@ -238,7 +242,7 @@ static void mtk_hdmi_hw_make_reg_writable(struct mtk_hdmi *hdmi, bool enable)
> * The ARM trusted firmware provides an API for the HDMI driver to set
> * this control bit to enable HDMI output in supervisor mode.
> */
> - if (hdmi_phy->conf && hdmi_phy->conf->tz_disabled)
> + if (hdmi->conf->tz_disabled)
> regmap_update_bits(hdmi->sys_regmap,
> hdmi->sys_offset + HDMI_SYS_CFG20,
> 0x80008005, enable ? 0x80000005 : 0x8000);
> @@ -1688,6 +1692,7 @@ static int mtk_drm_hdmi_probe(struct platform_device *pdev)
> return -ENOMEM;
>
> hdmi->dev = dev;
> + hdmi->conf = of_device_get_match_data(dev);
>
> ret = mtk_hdmi_dt_parse_pdata(hdmi, pdev);
> if (ret)
> @@ -1765,8 +1770,19 @@ static int mtk_hdmi_resume(struct device *dev)
> static SIMPLE_DEV_PM_OPS(mtk_hdmi_pm_ops,
> mtk_hdmi_suspend, mtk_hdmi_resume);
>
> +static const struct mtk_hdmi_conf mtk_hdmi_conf_mt2701 = {
> + .tz_disabled = true,
> +};
> +
> +static const struct mtk_hdmi_conf mtk_hdmi_conf_mt8173;
> +
> static const struct of_device_id mtk_drm_hdmi_of_ids[] = {
> - { .compatible = "mediatek,mt8173-hdmi", },
> + { .compatible = "mediatek,mt2701-hdmi",
> + .data = &mtk_hdmi_conf_mt2701,
> + },
> + { .compatible = "mediatek,mt8173-hdmi",
> + .data = &mtk_hdmi_conf_mt8173,
> + },
> {}
> };
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_phy.h b/drivers/gpu/drm/mediatek/mtk_hdmi_phy.h
> index 2d8b3182470d..fc1c2efd1128 100644
> --- a/drivers/gpu/drm/mediatek/mtk_hdmi_phy.h
> +++ b/drivers/gpu/drm/mediatek/mtk_hdmi_phy.h
> @@ -20,7 +20,6 @@
> struct mtk_hdmi_phy;
>
> struct mtk_hdmi_phy_conf {
> - bool tz_disabled;
> unsigned long flags;
> const struct clk_ops *hdmi_phy_clk_ops;
> void (*hdmi_phy_enable_tmds)(struct mtk_hdmi_phy *hdmi_phy);
> diff --git a/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c b/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c
> index d3cc4022e988..99fe05cd3598 100644
> --- a/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c
> +++ b/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c
> @@ -237,7 +237,6 @@ static void mtk_hdmi_phy_disable_tmds(struct mtk_hdmi_phy *hdmi_phy)
> }
>
> struct mtk_hdmi_phy_conf mtk_hdmi_phy_2701_conf = {
> - .tz_disabled = true,
> .flags = CLK_SET_RATE_GATE,
> .hdmi_phy_clk_ops = &mtk_hdmi_phy_pll_ops,
> .hdmi_phy_enable_tmds = mtk_hdmi_phy_enable_tmds,

Reviewed-by: Chunfeng Yun <chunfeng.yun@mediatek.com>

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