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| author | Tony Lindgren <tony@atomide.com> | 2019-05-20 08:32:11 -0700 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2019-05-20 08:32:11 -0700 |
| commit | f29f24b5568fd6169e0363c78f1a80db38d0e7e9 (patch) | |
| tree | 835abaf6e1bb95b9d388f4249f355618e9da1489 /drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c | |
| parent | 1ba12322e2f0934383f111a5e695702aaf46b812 (diff) | |
| parent | 34b1b8061de3215208db9accfe60cc3f5b40178f (diff) | |
| download | talos-op-linux-f29f24b5568fd6169e0363c78f1a80db38d0e7e9.tar.gz talos-op-linux-f29f24b5568fd6169e0363c78f1a80db38d0e7e9.zip | |
Merge branch 'fixes-dra7' into fixes
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c b/drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c index ed5916b27658..47f8a2951682 100644 --- a/drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c +++ b/drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c @@ -199,6 +199,20 @@ static void mtk_hdmi_pll_unprepare(struct clk_hw *hw) usleep_range(100, 150); } +static long mtk_hdmi_pll_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *parent_rate) +{ + struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw); + + hdmi_phy->pll_rate = rate; + if (rate <= 74250000) + *parent_rate = rate; + else + *parent_rate = rate / 2; + + return rate; +} + static int mtk_hdmi_pll_set_rate(struct clk_hw *hw, unsigned long rate, unsigned long parent_rate) { @@ -285,6 +299,14 @@ static int mtk_hdmi_pll_set_rate(struct clk_hw *hw, unsigned long rate, return 0; } +static unsigned long mtk_hdmi_pll_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw); + + return hdmi_phy->pll_rate; +} + static const struct clk_ops mtk_hdmi_phy_pll_ops = { .prepare = mtk_hdmi_pll_prepare, .unprepare = mtk_hdmi_pll_unprepare, @@ -309,6 +331,7 @@ static void mtk_hdmi_phy_disable_tmds(struct mtk_hdmi_phy *hdmi_phy) } struct mtk_hdmi_phy_conf mtk_hdmi_phy_8173_conf = { + .flags = CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE, .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, |
