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SubjectRe: [PATCH v8 00/19] Consolidate and improve NVIDIA Tegra CPUIDLE driver(s)
08.12.2019 00:52, Michał Mirosław пишет:
> On Tue, Dec 03, 2019 at 03:40:57AM +0300, Dmitry Osipenko wrote:
>> Hello,
>> This series does the following:
>> 1. Unifies Tegra20/30/114 drivers into a single driver and moves it out
>> into common drivers/cpuidle/ directory.
>> 2. Enables CPU cluster power-down idling state on Tegra30.
>> In the end there is a quite nice clean up of the Tegra CPUIDLE drivers
>> and of the Tegra's arch code in general. Please review, thanks!
> I did a quick smoke test for this series on top of Linus' master:
> - rebuilding with the patches applied, CONFIG_ARM_TEGRA_CPUIDLE=n - works
> - building with CONFIG_ARM_TEGRA_CPUIDLE=y - doesn't boot
> The hang is somewhere early in the boot process, before simplefb can
> take the console and show any logs. If I get BOOTFB to work again I might
> be able to get some more info.

Thank you very much for trying these patches!

Could you please try to make ARM_TEGRA_CPUIDLE "tristate" in the Kconfig
and compile it as a loadable module? That way you'll get framebuffer
shown before the hang happens.

Does LP2 suspend/resume work for you? There should be
"nvidia,suspend-mode = <2>" in the PMC's node of device-tree.

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