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Message-ID: <20170215112757.GA8974@amd>
Date: Wed, 15 Feb 2017 12:27:57 +0100
From: Pavel Machek <pavel@....cz>
To: Sakari Ailus <sakari.ailus@....fi>
Cc: sre@...nel.org, pali.rohar@...il.com, linux-media@...r.kernel.org,
linux-kernel@...r.kernel.org, laurent.pinchart@...asonboard.com,
mchehab@...nel.org, ivo.g.dimitrov.75@...il.com
Subject: Re: [RFC 08/13] smiapp-pll: Take existing divisor into account in
minimum divisor check
On Wed 2017-02-15 00:05:03, Sakari Ailus wrote:
> Hi Pavel,
>
> On Tue, Feb 14, 2017 at 02:40:04PM +0100, Pavel Machek wrote:
> > From: Sakari Ailus <sakari.ailus@....fi>
> >
> > Required added multiplier (and divisor) calculation did not take into
> > account the existing divisor when checking the values against the
> > minimum divisor. Do just that.
> >
> > Signed-off-by: Sakari Ailus <sakari.ailus@....fi>
> > Signed-off-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>
> > Signed-off-by: Pavel Machek <pavel@....cz>
>
> I need to understand again why did I write this patch. :-)
Can you just trust your former self?
> Could you send me the smiapp driver output with debug level messages
> enabled, please?
> I think the problem was with the secondary sensor.
I believe it was with the main sensor, actually. Anyway, here are the
messages.
[ 0.791290] smiapp 2-0010: could not get clock (-517)
[ 2.705352] smiapp 2-0010: GPIO lookup for consumer xshutdown
[ 2.705352] smiapp 2-0010: using device tree for GPIO lookup
[ 2.705413] smiapp 2-0010: using lookup tables for GPIO lookup
[ 2.705413] smiapp 2-0010: lookup for GPIO xshutdown failed
[ 2.875244] smiapp 2-0010: lane_op_clock_ratio: 1
[ 2.875274] smiapp 2-0010: binning: 1x1
[ 2.875274] smiapp 2-0010: min / max pre_pll_clk_div: 1 / 4
[ 2.875305] smiapp 2-0010: pre-pll check: min / max
pre_pll_clk_div: 1 / 1
[ 2.875305] smiapp 2-0010: mul 25 / div 2
[ 2.875305] smiapp 2-0010: pll_op check: min / max pre_pll_clk_div:
1 / 1
[ 2.875335] smiapp 2-0010: pre_pll_clk_div 1
[ 2.875335] smiapp 2-0010: more_mul_max: max_pll_multiplier check:
1
[ 2.875335] smiapp 2-0010: more_mul_max: max_pll_op_freq_hz check:
1
[ 2.875335] smiapp 2-0010: more_mul_max: max_op_sys_clk_div check:
1
[ 2.875366] smiapp 2-0010: more_mul_max: min_pll_multiplier check:
1
[ 2.875366] smiapp 2-0010: more_mul_min: min_pll_op_freq_hz check:
1
[ 2.875366] smiapp 2-0010: more_mul_min: min_pll_multiplier check:
1
[ 2.875396] smiapp 2-0010: more_mul_factor: 1
[ 2.875396] smiapp 2-0010: more_mul_factor: min_op_sys_clk_div: 1
[ 2.875396] smiapp 2-0010: final more_mul: 1
[ 2.875427] smiapp 2-0010: op_sys_clk_div: 2
[ 2.875427] smiapp 2-0010: op_pix_clk_div: 10
[ 2.875427] smiapp 2-0010: pre_pll_clk_div 1
[ 2.875457] smiapp 2-0010: pll_multiplier 25
[ 2.875457] smiapp 2-0010: vt_sys_clk_div 2
[ 2.875457] smiapp 2-0010: vt_pix_clk_div 10
[ 2.875457] smiapp 2-0010: ext_clk_freq_hz 9600000
[ 2.875488] smiapp 2-0010: pll_ip_clk_freq_hz 9600000
[ 2.875488] smiapp 2-0010: pll_op_clk_freq_hz 240000000
[ 2.875488] smiapp 2-0010: vt_sys_clk_freq_hz 120000000
[ 2.875518] smiapp 2-0010: vt_pix_clk_freq_hz 12000000
[ 2.876068] smiapp 2-0010: lane_op_clock_ratio: 1
[ 2.876068] smiapp 2-0010: binning: 1x1
[ 2.876098] smiapp 2-0010: min / max pre_pll_clk_div: 1 / 4
[ 2.876098] smiapp 2-0010: pre-pll check: min / max
pre_pll_clk_div: 1 / 1
[ 2.876098] smiapp 2-0010: mul 25 / div 2
[ 2.876129] smiapp 2-0010: pll_op check: min / max pre_pll_clk_div:
1 / 1
[ 2.876129] smiapp 2-0010: pre_pll_clk_div 1
[ 2.876129] smiapp 2-0010: more_mul_max: max_pll_multiplier check:
1
[ 2.876159] smiapp 2-0010: more_mul_max: max_pll_op_freq_hz check:
1
[ 2.876159] smiapp 2-0010: more_mul_max: max_op_sys_clk_div check:
1
[ 2.876159] smiapp 2-0010: more_mul_max: min_pll_multiplier check:
1
[ 2.876190] smiapp 2-0010: more_mul_min: min_pll_op_freq_hz check:
1
[ 2.876190] smiapp 2-0010: more_mul_min: min_pll_multiplier check:
1
[ 2.876190] smiapp 2-0010: more_mul_factor: 1
[ 2.876190] smiapp 2-0010: more_mul_factor: min_op_sys_clk_div: 1
[ 2.876220] smiapp 2-0010: final more_mul: 1
[ 2.876220] smiapp 2-0010: op_sys_clk_div: 2
[ 2.876220] smiapp 2-0010: op_pix_clk_div: 10
[ 2.876251] smiapp 2-0010: pre_pll_clk_div 1
[ 2.876251] smiapp 2-0010: pll_multiplier 25
[ 2.876251] smiapp 2-0010: vt_sys_clk_div 2
[ 2.876251] smiapp 2-0010: vt_pix_clk_div 10
[ 2.876281] smiapp 2-0010: ext_clk_freq_hz 9600000
[ 2.876281] smiapp 2-0010: pll_ip_clk_freq_hz 9600000
[ 2.876281] smiapp 2-0010: pll_op_clk_freq_hz 240000000
[ 2.876312] smiapp 2-0010: vt_sys_clk_freq_hz 120000000
[ 2.876312] smiapp 2-0010: vt_pix_clk_freq_hz 12000000
...
[ 4.728973] udevd[216]: starting version 175
[ 8.031494] smiapp 2-0010: lane_op_clock_ratio: 1
[ 8.031524] smiapp 2-0010: binning: 1x1
[ 8.031524] smiapp 2-0010: min / max pre_pll_clk_div: 1 / 4
[ 8.031524] smiapp 2-0010: pre-pll check: min / max
pre_pll_clk_div: 1 / 1
[ 8.031555] smiapp 2-0010: mul 25 / div 2
[ 8.031555] smiapp 2-0010: pll_op check: min / max pre_pll_clk_div:
1 / 1
[ 8.031555] smiapp 2-0010: pre_pll_clk_div 1
[ 8.031585] smiapp 2-0010: more_mul_max: max_pll_multiplier check:
1
[ 8.031585] smiapp 2-0010: more_mul_max: max_pll_op_freq_hz check:
1
[ 8.031585] smiapp 2-0010: more_mul_max: max_op_sys_clk_div check:
1
[ 8.031616] smiapp 2-0010: more_mul_max: min_pll_multiplier check:
1
[ 8.031616] smiapp 2-0010: more_mul_min: min_pll_op_freq_hz check:
1
[ 8.031616] smiapp 2-0010: more_mul_min: min_pll_multiplier check:
1
[ 8.031616] smiapp 2-0010: more_mul_factor: 1
[ 8.031646] smiapp 2-0010: more_mul_factor: min_op_sys_clk_div: 1
[ 8.031646] smiapp 2-0010: final more_mul: 1
[ 8.031646] smiapp 2-0010: op_sys_clk_div: 2
[ 8.031677] smiapp 2-0010: op_pix_clk_div: 10
[ 8.031677] smiapp 2-0010: pre_pll_clk_div 1
[ 8.031677] smiapp 2-0010: pll_multiplier 25
[ 8.031707] smiapp 2-0010: vt_sys_clk_div 2
[ 8.031707] smiapp 2-0010: vt_pix_clk_div 10
[ 8.031707] smiapp 2-0010: ext_clk_freq_hz 9600000
[ 8.031738] smiapp 2-0010: pll_ip_clk_freq_hz 9600000
[ 8.031738] smiapp 2-0010: pll_op_clk_freq_hz 240000000
[ 8.031738] smiapp 2-0010: vt_sys_clk_freq_hz 120000000
[ 8.031768] smiapp 2-0010: vt_pix_clk_freq_hz 12000000
[ 8.064117] smiapp 2-0010: lane_op_clock_ratio: 1
[ 8.064147] smiapp 2-0010: binning: 1x1
[ 8.064147] smiapp 2-0010: min / max pre_pll_clk_div: 1 / 4
[ 8.064178] smiapp 2-0010: pre-pll check: min / max
pre_pll_clk_div: 1 / 1
[ 8.064178] smiapp 2-0010: mul 25 / div 2
[ 8.064178] smiapp 2-0010: pll_op check: min / max pre_pll_clk_div:
1 / 1
[ 8.064208] smiapp 2-0010: pre_pll_clk_div 1
[ 8.064208] smiapp 2-0010: more_mul_max: max_pll_multiplier check:
1
[ 8.064208] smiapp 2-0010: more_mul_max: max_pll_op_freq_hz check:
1
[ 8.064239] smiapp 2-0010: more_mul_max: max_op_sys_clk_div check:
1
[ 8.064239] smiapp 2-0010: more_mul_max: min_pll_multiplier check:
1
[ 8.064239] smiapp 2-0010: more_mul_min: min_pll_op_freq_hz check:
1
[ 8.064239] smiapp 2-0010: more_mul_min: min_pll_multiplier check:
1
[ 8.064270] smiapp 2-0010: more_mul_factor: 1
[ 8.064270] smiapp 2-0010: more_mul_factor: min_op_sys_clk_div: 1
[ 8.064270] smiapp 2-0010: final more_mul: 1
[ 8.064300] smiapp 2-0010: op_sys_clk_div: 2
[ 8.064300] smiapp 2-0010: op_pix_clk_div: 10
[ 8.064300] smiapp 2-0010: pre_pll_clk_div 1
[ 8.064331] smiapp 2-0010: pll_multiplier 25
[ 8.064331] smiapp 2-0010: vt_sys_clk_div 2
[ 8.064331] smiapp 2-0010: vt_pix_clk_div 10
[ 8.064361] smiapp 2-0010: ext_clk_freq_hz 9600000
[ 8.064361] smiapp 2-0010: pll_ip_clk_freq_hz 9600000
[ 8.064361] smiapp 2-0010: pll_op_clk_freq_hz 240000000
[ 8.064392] smiapp 2-0010: vt_sys_clk_freq_hz 120000000
[ 8.064392] smiapp 2-0010: vt_pix_clk_freq_hz 12000000
Best regards,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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