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SubjectRe: [RFC 08/13] smiapp-pll: Take existing divisor into account in minimum divisor check
Hi!

> > On Tue, Feb 14, 2017 at 02:40:04PM +0100, Pavel Machek wrote:
> > > From: Sakari Ailus <sakari.ailus@iki.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@iki.fi>
> > > Signed-off-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com>
> > > Signed-off-by: Pavel Machek <pavel@ucw.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.

Can I get you to apply this one? :-).

Thanks,
Pavel

> [ 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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