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From: "Hai Li" <hali@codeaurora.org>
To: 'Werner Johansson' <werner.johansson@gmail.com>,
	'Archit Taneja' <architt@codeaurora.org>
Cc: dri-devel@lists.freedesktop.org
Subject: RE: drm/msm/dsi: hs_zero timing
Date: Tue, 1 Sep 2015 11:59:46 -0400	[thread overview]
Message-ID: <000601d0e4cf$3adfc0d0$b09f4270$@codeaurora.org> (raw)
In-Reply-To: <CAKVuvfoO6np0Og6w3rx6U7GK+WF4z1dau6bLbsqT2eT1-xXy4w@mail.gmail.com>


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Hi Werner,

 

Based on the discussion with our hw team, changing the LNn_CFG4 to all 0 is the solution for this issue.

I will prepare a change to this.

 

Thanks,

Hai

 

From: dri-devel [mailto:dri-devel-bounces@lists.freedesktop.org] On Behalf Of Werner Johansson
Sent: Friday, August 28, 2015 2:10 AM
To: Archit Taneja
Cc: dri-devel@lists.freedesktop.org
Subject: Re: drm/msm/dsi: hs_zero timing

 


On Aug 27, 2015 10:56 PM, "Archit Taneja" <architt@codeaurora.org <mailto:architt@codeaurora.org> > wrote:
>
> There are certain modes (generally for HDMI/DVI) where the refresh rate
> isn't an integer. It can be something like 59.94 Hz, or 60.04Hz. The
> above calculation may not work well with such modes.
>
[...] 
> We have platforms where the DSI output is connected to HDMI bridge
> chips. So the issue I mentioned holds true for msm/dsi too.

That makes sense, the non-integer vrefresh rates completely slipped my mind.

Thanks!

/wj


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  reply	other threads:[~2015-09-01 15:59 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-21 18:26 drm/msm/dsi: hs_zero timing Johansson, Werner
2015-08-21 19:55 ` Hai Li
2015-08-21 20:38   ` Johansson, Werner
2015-08-22 13:25     ` Rob Clark
2015-08-24  6:17       ` Werner Johansson
2015-08-24 14:32       ` Hai Li
2015-08-25  1:23         ` Werner Johansson
2015-08-26 15:34           ` Hai Li
2015-08-26 17:39             ` Werner Johansson
2015-08-26 17:46               ` Rob Clark
2015-08-26 18:22                 ` Werner Johansson
2015-08-26 18:31                   ` Rob Clark
2015-08-27  1:42                     ` Werner Johansson
2015-08-28  5:56                       ` Archit Taneja
2015-08-28  6:09                         ` Werner Johansson
2015-09-01 15:59                           ` Hai Li [this message]
2015-09-01 16:27                             ` Werner Johansson
2015-08-28 14:12                         ` hali
2015-08-26 17:49               ` Hai Li
2015-08-26 18:04                 ` Werner Johansson
  -- strict thread matches above, loose matches on Subject: below --
2015-08-21 18:13 Werner Johansson
2015-08-21  1:08 Johansson, Werner

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