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Mon, 6 Jan 2020 20:47:40 +0000 From: Jonas Karlman To: Heiko Stuebner , Sandy Huang Subject: [PATCH 02/15] phy/rockchip: inno-hdmi: round fractal pixclock in rk3328 recalc_rate Thread-Topic: [PATCH 02/15] phy/rockchip: inno-hdmi: round fractal pixclock in rk3328 recalc_rate Thread-Index: AQHVxNKJGsLSKAwUL0mZqpV7XUgnkw== Date: Mon, 6 Jan 2020 20:47:40 +0000 Message-ID: References: <20200106204723.5889-1-jonas@kwiboo.se> In-Reply-To: <20200106204723.5889-1-jonas@kwiboo.se> Accept-Language: sv-SE, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: AM6P195CA0080.EURP195.PROD.OUTLOOK.COM (2603:10a6:209:86::21) To HE1PR06MB4011.eurprd06.prod.outlook.com (2603:10a6:7:9c::32) x-incomingtopheadermarker: OriginalChecksum:7D05201E926B7A807AED86CE7DA3E177E4B1ED108D4B7F117BE4957957770AAA; UpperCasedChecksum:3201996FAD9EF958497F043F6DCF75580F62E2D9200FE7544ABF630FA5A40EC7; SizeAsReceived:8211; Count:51 x-ms-exchange-messagesentrepresentingtype: 1 x-mailer: git-send-email 2.17.1 x-tmn: [xZ2gScxf/Ay8kw9Y13kM8YRG7DQFkV+B] x-microsoft-original-message-id: <20200106204723.5889-2-jonas@kwiboo.se> x-ms-publictraffictype: Email x-incomingheadercount: 51 x-eopattributedmessage: 0 x-ms-office365-filtering-correlation-id: a1724c0e-3e20-4865-5d1f-08d792e9ac00 x-ms-traffictypediagnostic: VE1EUR02HT159: x-microsoft-antispam: BCL:0; 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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 Signed-off-by: Jonas Karlman --- drivers/phy/rockchip/phy-rockchip-inno-hdmi.c | 8 +++++--- 1 file 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 b0ac1d3ee390..093d2334e8cd 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,