[adding Paolo and Vivek as cc]
Hello,
On 11/18/2014 07:41 PM, Kevin Hilman wrote:
>
> It fixes the DRM deadlock, issue for me on exynos5800-peach-pi, but then
> it proceeds to panic in the workqueue code called by the asoc max98090
> codec[1].
>
> If I then disable CONFIG_SND_SOC_SNOW, I can get it to boot to a shell,
> but I still don't have display output.
>
Paolo Pisati pointed out in another thread that he needed the patch
"[PATCH v2 2/2] arm: dts: Exynos5: Use pmu_system_controller phandle for dp phy"
is also needed to get display working for exynos on linux-next.
I've pinged Kukjin to apply this as a -rc fix since is needed after
a5ec598 ("phy: exynos-dp-video: Use syscon support to control pmu register")
landed in 3.18 which broke the Exynos Display Port PHY:
exynos-dp-video-phy 10040728.video-phy: Failed to lookup PMU regmap
I've an Exynos5800 Peach Pi now so I wanted to test display on it. Just $subject
and [0] should be enough to have display working on Peach Pi with linux-next but
it fails to me with:
exynos-mipi-video-phy 10040714.video-phy: can't request region for resource [mem 0x10040714-0x1004071f]
The same issue was reported by Paolo a couple of days ago [1].
Vivek,
Any idea what could cause this regression on linux-next? As reported by Paolo this
works well for me in 3.18-rc5.
Best regards,
Javier
[0]: https://lkml.org/lkml/2014/10/30/394
[1]: http://www.spinics.net/lists/linux-samsung-soc/msg39032.html
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