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.
