LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
To: Kukjin Kim <kgene@kernel.org>
Cc: linux-samsung-soc@vger.kernel.org,
	Andrzej Hajda <a.hajda@samsung.com>,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	Kyungmin Park <kyungmin.park@samsung.com>,
	Liquid.Acid@gmx.net, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org
Subject: Re: [RFC PATCH 0/3] Fix power domains handling on exynos542x
Date: Tue, 10 Mar 2015 10:48:54 +0100	[thread overview]
Message-ID: <54FEBE06.3000007@collabora.co.uk> (raw)
In-Reply-To: <54D381F4.2080701@collabora.co.uk>

Hello Kukjin,

On 02/05/2015 03:45 PM, Javier Martinez Canillas wrote:
> Hello Andrzej,
> 
> Thanks a lot for finally finding what was causing the HDMI issue.
> 
> On 02/05/2015 01:35 PM, Andrzej Hajda wrote:
>> Hi,
>> 
>> Exynos chipsets since 542x have asynchronous bridges connecting different IPs.
>> These bridges should be operational during power domain switching, ie associated
>> clocks cannot be gated.
>> This patchset adds binding to provide such clocks per power domain and adds code
>> which enables them during domain on/off operation.
>> 
>> This patchset fixes power domain issues with disp1 domain and HDMI (some of them)
>> on Odroid XU3:
>> - disp1 power domain can be turned off,
>> - no more "imprecise external abort" faults.
>> 
>> The patchset is based on '[PATCH v5 0/9] Enable HDMI support on Exynos platforms' [1].
>> 
> 
> It also depends on '[PATCH 0/2] Add HDMI support for Exynos5420 platform' [2].
> 
>> It was successfully tested on OdroidXU3.
>> 
>> [1]: http://permalink.gmane.org/gmane.linux.kernel.samsung-soc/42743
> 
> Your patches looks good to me so please feel free to add:
> 
> Reviewed-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
> 
> I also tested on an Exynos5420 Peach Pit Chromebook and both the "Power
> domain power-domain disable failed" message and the system crash are gone.
> 
> Tested-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
> 
> Best regards,
> Javier
> 
> [2]: https://lkml.org/lkml/2015/1/20/235
> 

Any comments about this series? It fixes system hangs on Exynos
5420/5422/5800 boards and has been in the list for a while.

Please keep in mind that a v2 of patch 3/3 was posted [0].

Best regards,
Javier

[0]: https://lkml.org/lkml/2015/2/6/138

      parent reply	other threads:[~2015-03-10  9:49 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-05 12:35 Andrzej Hajda
2015-02-05 12:35 ` [RFC PATCH 1/3] arm/exynos: add asynchronous bridge clock bindings Andrzej Hajda
2015-02-05 12:35 ` [RFC PATCH 2/3] arm/exynos/pm_domains: add support for async-bridge clocks Andrzej Hajda
2015-03-12 13:05   ` Sylwester Nawrocki
2015-02-05 12:35 ` [RFC PATCH 3/3] ARM: dts: exynos5420: add async-bridge clock to disp1 power domain Andrzej Hajda
2015-02-05 14:45 ` [RFC PATCH 0/3] Fix power domains handling on exynos542x Javier Martinez Canillas
2015-02-06  5:27   ` Joonyoung Shim
2015-02-06  9:18     ` Javier Martinez Canillas
2015-02-06 10:55       ` [RFC PATCH v2 3/3] ARM: dts: exynos5420: add async-bridge clocks to disp1 power domain Andrzej Hajda
2015-02-06 11:27         ` Javier Martinez Canillas
2015-03-03  8:12           ` Javier Martinez Canillas
2015-03-12 13:00         ` Sylwester Nawrocki
2015-03-10  9:48   ` Javier Martinez Canillas [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=54FEBE06.3000007@collabora.co.uk \
    --to=javier.martinez@collabora.co.uk \
    --cc=Liquid.Acid@gmx.net \
    --cc=a.hajda@samsung.com \
    --cc=devicetree@vger.kernel.org \
    --cc=dri-devel@lists.freedesktop.org \
    --cc=kgene@kernel.org \
    --cc=kyungmin.park@samsung.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-samsung-soc@vger.kernel.org \
    --cc=m.szyprowski@samsung.com \
    --subject='Re: [RFC PATCH 0/3] Fix power domains handling on exynos542x' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).