Re: [PATCH 4/5] v4l2: async: Postpone subdev_notifier registration

Hi Sakari, On Monday, 18 December 2017 01:33:56 EET Sakari Ailus wrote: > On Sun, Dec 17, 2017 at 07:03:17PM +0200, Laurent Pinchart wrote: > > On Wednesday, 13 December 2017 20:26:19 EET Jacopo Mondi wrote: > >> Currently, subdevice notifiers are tested against all available > >> subdevices as

Re: [PATCH v4 2/2] drm: rcar-du: calculate DPLLCR to be more small jitter

Hi Laurent Thank you for your feedback > > +* To be small jitter, > > Nitpicking, I would write this "to minimize the jitter". (snip) > > +* This code is assuming "used" from 64bit CPU only, > > +* not from 32bit CPU. But both can compile correctly

Re: [PATCH v4 2/2] drm: rcar-du: calculate DPLLCR to be more small jitter

Hello Morimoto-san, On Monday, 18 December 2017 02:35:56 EET Kuninori Morimoto wrote: > From: Kuninori Morimoto > > In general, PLL has VCO (= Voltage controlled oscillator), > one of the very important electronic feature called as "jitter" > is related to this

Re: [PATCH v4 1/2] drm: rcar-du: use 1000 to avoid misunderstanding in rcar_du_dpll_divider()

Hello Morimoto-san, Thankk you for the patch. On Monday, 18 December 2017 02:35:18 EET Kuninori Morimoto wrote: > From: Kuninori Morimoto > > It is difficult to understand its scale if number has many 0s. > This patch uses "* 1000" to avoid it in

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