Messages in this thread | | | Date | Tue, 10 Mar 2015 10:48:54 +0100 | From | Javier Martinez Canillas <> | Subject | Re: [RFC PATCH 0/3] Fix power domains handling on exynos542x |
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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
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