Re: [PATCH RFC] drm/sun4i: rgb: Add 5% tolerance to dot clock frequency check

2017-02-27 Thread Laurent Pinchart
Hi Sean, On Thursday 23 Feb 2017 10:54:37 Sean Paul wrote: > On Wed, Dec 07, 2016 at 11:48:55AM +0200, Laurent Pinchart wrote: > > On Wednesday 07 Dec 2016 10:26:25 Chen-Yu Tsai wrote: > >> On Wed, Dec 7, 2016 at 1:29 AM, Maxime Ripard wrote: > >>> On Thu, Nov 24, 2016 at 07:22:31PM +0800, Chen-Yu

Re: [PATCH RFC] drm/sun4i: rgb: Add 5% tolerance to dot clock frequency check

2017-02-26 Thread Thierry Reding
On Fri, Feb 24, 2017 at 10:51:12AM +0100, Lucas Stach wrote: > +CC Thierry, as the drm_panel maintainer. > > Am Donnerstag, den 23.02.2017, 10:54 -0500 schrieb Sean Paul: > > On Wed, Dec 07, 2016 at 11:48:55AM +0200, Laurent Pinchart wrote: > > > Hello, > > > > > > On Wednesday 07 Dec 2016 10:26:

Re: [linux-sunxi] Re: [PATCH RFC] drm/sun4i: rgb: Add 5% tolerance to dot clock frequency check

2017-02-25 Thread Chen-Yu Tsai
On Fri, Feb 24, 2017 at 5:51 PM, Lucas Stach wrote: > +CC Thierry, as the drm_panel maintainer. > > Am Donnerstag, den 23.02.2017, 10:54 -0500 schrieb Sean Paul: >> On Wed, Dec 07, 2016 at 11:48:55AM +0200, Laurent Pinchart wrote: >> > Hello, >> > >> > On Wednesday 07 Dec 2016 10:26:25 Chen-Yu Tsa

Re: [PATCH RFC] drm/sun4i: rgb: Add 5% tolerance to dot clock frequency check

2017-02-24 Thread Lucas Stach
+CC Thierry, as the drm_panel maintainer. Am Donnerstag, den 23.02.2017, 10:54 -0500 schrieb Sean Paul: > On Wed, Dec 07, 2016 at 11:48:55AM +0200, Laurent Pinchart wrote: > > Hello, > > > > On Wednesday 07 Dec 2016 10:26:25 Chen-Yu Tsai wrote: > > > On Wed, Dec 7, 2016 at 1:29 AM, Maxime Ripard

Re: [PATCH RFC] drm/sun4i: rgb: Add 5% tolerance to dot clock frequency check

2017-02-23 Thread Sean Paul
On Wed, Dec 07, 2016 at 11:48:55AM +0200, Laurent Pinchart wrote: > Hello, > > On Wednesday 07 Dec 2016 10:26:25 Chen-Yu Tsai wrote: > > On Wed, Dec 7, 2016 at 1:29 AM, Maxime Ripard wrote: > > > On Thu, Nov 24, 2016 at 07:22:31PM +0800, Chen-Yu Tsai wrote: > > >> The panels shipped with Allwinner

Re: [PATCH RFC] drm/sun4i: rgb: Add 5% tolerance to dot clock frequency check

2017-02-22 Thread Icenowy Zheng
07.12.2016, 05:03, "Maxime Ripard" : > On Thu, Nov 24, 2016 at 07:22:31PM +0800, Chen-Yu Tsai wrote: >>  The panels shipped with Allwinner devices are very "generic", i.e. >>  they do not have model numbers or reliable sources of information >>  for the timings (that we know of) other than the fe

[PATCH RFC] drm/sun4i: rgb: Add 5% tolerance to dot clock frequency check

2016-12-09 Thread Maxime Ripard
On Wed, Dec 07, 2016 at 10:26:25AM +0800, Chen-Yu Tsai wrote: > > Some panels require an exact frequency, some have a minimal frequency > > but no maximum, some have a maximum frequency but no minimal, and I > > guess most of them deviates by how much exactly they can take (and > > possibly can tak

[PATCH RFC] drm/sun4i: rgb: Add 5% tolerance to dot clock frequency check

2016-12-09 Thread Maxime Ripard
Moi, On Wed, Dec 07, 2016 at 11:48:55AM +0200, Laurent Pinchart wrote: > On Wednesday 07 Dec 2016 10:26:25 Chen-Yu Tsai wrote: > > On Wed, Dec 7, 2016 at 1:29 AM, Maxime Ripard wrote: > > > On Thu, Nov 24, 2016 at 07:22:31PM +0800, Chen-Yu Tsai wrote: > > >> The panels shipped with Allwinner devic

[PATCH RFC] drm/sun4i: rgb: Add 5% tolerance to dot clock frequency check

2016-12-09 Thread Maxime Ripard
Hi Eric, On Wed, Dec 07, 2016 at 11:16:32AM -0800, Eric Anholt wrote: > Maxime Ripard writes: > > > [ Unknown signature status ] > > On Thu, Nov 24, 2016 at 07:22:31PM +0800, Chen-Yu Tsai wrote: > >> The panels shipped with Allwinner devices are very "generic", i.e. > >> they do not have model n

[PATCH RFC] drm/sun4i: rgb: Add 5% tolerance to dot clock frequency check

2016-12-07 Thread Laurent Pinchart
Hi Eric, On Wednesday 07 Dec 2016 11:16:32 Eric Anholt wrote: > Maxime Ripard writes: > > [ Unknown signature status ] > > > > On Thu, Nov 24, 2016 at 07:22:31PM +0800, Chen-Yu Tsai wrote: > >> The panels shipped with Allwinner devices are very "generic", i.e. > >> they do not have model numbers

[PATCH RFC] drm/sun4i: rgb: Add 5% tolerance to dot clock frequency check

2016-12-07 Thread Laurent Pinchart
Hello, On Wednesday 07 Dec 2016 10:26:25 Chen-Yu Tsai wrote: > On Wed, Dec 7, 2016 at 1:29 AM, Maxime Ripard wrote: > > On Thu, Nov 24, 2016 at 07:22:31PM +0800, Chen-Yu Tsai wrote: > >> The panels shipped with Allwinner devices are very "generic", i.e. > >> they do not have model numbers or relia

[PATCH RFC] drm/sun4i: rgb: Add 5% tolerance to dot clock frequency check

2016-12-07 Thread Eric Anholt
Maxime Ripard writes: > [ Unknown signature status ] > On Thu, Nov 24, 2016 at 07:22:31PM +0800, Chen-Yu Tsai wrote: >> The panels shipped with Allwinner devices are very "generic", i.e. >> they do not have model numbers or reliable sources of information >> for the timings (that we know of) othe

[PATCH RFC] drm/sun4i: rgb: Add 5% tolerance to dot clock frequency check

2016-12-07 Thread Chen-Yu Tsai
On Wed, Dec 7, 2016 at 1:29 AM, Maxime Ripard wrote: > On Thu, Nov 24, 2016 at 07:22:31PM +0800, Chen-Yu Tsai wrote: >> The panels shipped with Allwinner devices are very "generic", i.e. >> they do not have model numbers or reliable sources of information >> for the timings (that we know of) other

[PATCH RFC] drm/sun4i: rgb: Add 5% tolerance to dot clock frequency check

2016-12-06 Thread Maxime Ripard
On Thu, Nov 24, 2016 at 07:22:31PM +0800, Chen-Yu Tsai wrote: > The panels shipped with Allwinner devices are very "generic", i.e. > they do not have model numbers or reliable sources of information > for the timings (that we know of) other than the fex files shipped > on them. The dot clock freque

[PATCH RFC] drm/sun4i: rgb: Add 5% tolerance to dot clock frequency check

2016-11-24 Thread Icenowy Zheng
24.11.2016, 19:27, "Chen-Yu Tsai" : > The panels shipped with Allwinner devices are very "generic", i.e. > they do not have model numbers or reliable sources of information > for the timings (that we know of) other than the fex files shipped > on them. The dot clock frequency provided in the fex

[PATCH RFC] drm/sun4i: rgb: Add 5% tolerance to dot clock frequency check

2016-11-24 Thread Chen-Yu Tsai
The panels shipped with Allwinner devices are very "generic", i.e. they do not have model numbers or reliable sources of information for the timings (that we know of) other than the fex files shipped on them. The dot clock frequency provided in the fex files have all been rounded to the nearest MHz