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bh=45zotkRurVEs0HRhLtz1lXcKq9ANWXhV0XLWFrlcrc8=; b=g0rKSNMiRvKSn5/U5D5ajFSrc0 gbr96TDPM7iPCJ1u9PD8BFAocylf/JgLm+YnIDx1K9lzlrrZFTuUh2jXvmkQE+ShKlVfWwuiTknzb ZUnZnvmT13isTBVARcGJko7IgPlb2rB7kvwMXbnh8XvsVk2Ie4idgTG3XjRdiDWHeiExTZIMWmjhr BUY+EDn1jT/KC5WluenSlzmrX7IqRz3OePs3m2domlVLpzzJSxKoj6K3zPLVZtbSIuUZyOPLKDo51 OBM60cWFAbodk8572MMVuYT+yrsxfuPy9W98rVRw+GuAftPxwBGwDeTjKu3+NWWvK0X4DoGX3Hif2 TiJu7eCQ==; Received: from ip-160-131.sn-213-198.clouditalia.com ([213.198.160.131]:20839 helo=[192.168.1.101]) by server153.web-hosting.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.91) (envelope-from ) id 1gWl0f-001Nbr-E1; Tue, 11 Dec 2018 11:35:50 -0500 Subject: Re: [linux-sunxi] Re: [PATCH v5 15/17] clk: sunxi-ng: a64: Add minimum rate for PLL_MIPI To: maxime.ripard@bootlin.com, Jagan Teki References: <20181210161729.29720-1-jagan@amarulasolutions.com> <20181210161729.29720-16-jagan@amarulasolutions.com> <20181211163222.hk647c24cjhmwrz4@flea> From: Jagan Teki Message-ID: <14061728-2ca3-3342-2cf3-b8588b112f5f@openedev.com> Date: Tue, 11 Dec 2018 22:05:43 +0530 User-Agent: Mozilla/5.0 (X11; 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charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 11/12/18 10:02 PM, Maxime Ripard wrote: > On Mon, Dec 10, 2018 at 09:47:27PM +0530, Jagan Teki wrote: >> Minimum PLL used for MIPI is 500MHz, as per manual, but >> lowering the min rate by 300MHz can result proper working >> nkms divider with the help of desired dclock rate from >> panel driver. >> >> Signed-off-by: Jagan Teki >> Acked-by: Stephen Boyd >> --- >> drivers/clk/sunxi-ng/ccu-sun50i-a64.c | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c >> index 181b599dc163..b623c8150b4f 100644 >> --- a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c >> +++ b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c >> @@ -183,6 +183,7 @@ static struct ccu_nkm pll_mipi_clk = { >> .n = _SUNXI_CCU_MULT(8, 4), >> .k = _SUNXI_CCU_MULT_MIN(4, 2, 2), >> .m = _SUNXI_CCU_DIV(0, 4), >> + .min_rate = 300000000, /* Actual rate is 500MHz */ > > That comment still doesn't make any sense. Is it running at 500MHz or 300? It running in 300MHz, actual rate is 500MHz. > > Also, IIRC you had a patch adding support for maximum boundaries in > your previous patch, where did it go? Since I don't have any usecase to test I droped it. the same mentioned on the previous version. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel