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    Subject[PATCH v4 3/6] drm/mediatek: disable tmds on mt2701
    Date
    From: chunhui dai <chunhui.dai@mediatek.com>

    disable tmds on phy on mt2701 to support other resolutions like 1280x1024

    Signed-off-by: chunhui dai <chunhui.dai@mediatek.com>
    Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
    Tested-by: Frank Wunderlich <frank-w@public-files.de>
    ---
    drivers/gpu/drm/mediatek/mtk_hdmi_phy.c | 3 +++
    drivers/gpu/drm/mediatek/mtk_hdmi_phy.h | 1 +
    drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c | 1 +
    3 files changed, 5 insertions(+)

    diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_phy.c b/drivers/gpu/drm/mediatek/mtk_hdmi_phy.c
    index 5223498502c4..edadb7a700f1 100644
    --- a/drivers/gpu/drm/mediatek/mtk_hdmi_phy.c
    +++ b/drivers/gpu/drm/mediatek/mtk_hdmi_phy.c
    @@ -184,6 +184,9 @@ static int mtk_hdmi_phy_probe(struct platform_device *pdev)
    return PTR_ERR(phy_provider);
    }

    + if (hdmi_phy->conf->pll_default_off)
    + hdmi_phy->conf->hdmi_phy_disable_tmds(hdmi_phy);
    +
    return of_clk_add_provider(dev->of_node, of_clk_src_simple_get,
    hdmi_phy->pll);
    }
    diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_phy.h b/drivers/gpu/drm/mediatek/mtk_hdmi_phy.h
    index 2d8b3182470d..f472fdeb63dc 100644
    --- a/drivers/gpu/drm/mediatek/mtk_hdmi_phy.h
    +++ b/drivers/gpu/drm/mediatek/mtk_hdmi_phy.h
    @@ -22,6 +22,7 @@ struct mtk_hdmi_phy;
    struct mtk_hdmi_phy_conf {
    bool tz_disabled;
    unsigned long flags;
    + bool pll_default_off;
    const struct clk_ops *hdmi_phy_clk_ops;
    void (*hdmi_phy_enable_tmds)(struct mtk_hdmi_phy *hdmi_phy);
    void (*hdmi_phy_disable_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..6fbedacfc1e8 100644
    --- a/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c
    +++ b/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c
    @@ -239,6 +239,7 @@ 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,
    + .pll_default_off = true,
    .hdmi_phy_clk_ops = &mtk_hdmi_phy_pll_ops,
    .hdmi_phy_enable_tmds = mtk_hdmi_phy_enable_tmds,
    .hdmi_phy_disable_tmds = mtk_hdmi_phy_disable_tmds,
    --
    2.25.1
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