On Sun, Dec 08, 2019 at 01:56:14AM +0300, Dmitry Osipenko wrote: > 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. Not at the moment. I also tried suspend-mode = <1> and <0>, but it made no difference. Best Regards, Michał Mirosław