diff options
| author | Zheng Yang <zhengyang@rock-chips.com> | 2023-06-15 17:10:19 +0000 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2023-07-12 22:27:43 +0530 |
| commit | d5ef343c1d62bc4c4c2c393af654a41cb34b449f (patch) | |
| tree | ed5d3ad1fc8936284c6be162c9d9ecfadd3ae418 /drivers/phy/rockchip | |
| parent | 644c06dfbd0da713f772abf0a8f8581ac78e6264 (diff) | |
phy/rockchip: inno-hdmi: round fractal pixclock in rk3328 recalc_rate
inno_hdmi_phy_rk3328_clk_recalc_rate() is returning a rate not found
in the pre pll config table when the fractal divider is used.
This can prevent proper power_on because a tmdsclock for the new rate
is not found in the pre pll config table.
Fix this by saving and returning a rounded pixel rate that exist
in the pre pll config table.
Fixes: 53706a116863 ("phy: add Rockchip Innosilicon hdmi phy")
Signed-off-by: Zheng Yang <zhengyang@rock-chips.com>
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Link: https://lore.kernel.org/r/20230615171005.2251032-3-jonas@kwiboo.se
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/phy/rockchip')
| -rw-r--r-- | drivers/phy/rockchip/phy-rockchip-inno-hdmi.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/phy/rockchip/phy-rockchip-inno-hdmi.c b/drivers/phy/rockchip/phy-rockchip-inno-hdmi.c index f348e5347d81..7d412f771f6c 100644 --- a/drivers/phy/rockchip/phy-rockchip-inno-hdmi.c +++ b/drivers/phy/rockchip/phy-rockchip-inno-hdmi.c @@ -745,10 +745,12 @@ unsigned long inno_hdmi_phy_rk3328_clk_recalc_rate(struct clk_hw *hw, do_div(vco, (nd * (no_a == 1 ? no_b : no_a) * no_d * 2)); } - inno->pixclock = vco; - dev_dbg(inno->dev, "%s rate %lu\n", __func__, inno->pixclock); + inno->pixclock = DIV_ROUND_CLOSEST((unsigned long)vco, 1000) * 1000; - return vco; + dev_dbg(inno->dev, "%s rate %lu vco %llu\n", + __func__, inno->pixclock, vco); + + return inno->pixclock; } static long inno_hdmi_phy_rk3328_clk_round_rate(struct clk_hw *hw, |