From mboxrd@z Thu Jan 1 00:00:00 1970 From: linux@armlinux.org.uk (Russell King - ARM Linux) Date: Mon, 11 Dec 2017 22:58:29 +0000 Subject: mainline/master boot bisection: v4.15-rc3 on peach-pi #3228-staging In-Reply-To: References: <680389204.71.1512980755810.JavaMail.jenkins@ip-172-30-0-246> <51e6d7fb-ac9e-a59f-ea63-ad06219b429d@collabora.com> Message-ID: <20171211225829.GA1959@n2100.armlinux.org.uk> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, Dec 11, 2017 at 11:54:48PM +0100, Javier Martinez Canillas wrote: > So I gave a quick look to this, and at the very least there's a bug in > the Exynos5800 Peach Pi DTS caused by commit 1cb686c08d12 ("ARM: dts: > exynos: Add status property to Exynos 542x Mixer nodes"). > > I've posted a fix for that: > > https://patchwork.kernel.org/patch/10105921/ > > I believe this could be also be the cause for the boot failure, since > I see in the boot log that things start to go wrong after exynos-drm > fails to bind the HDMI component: > > [ 2.916347] exynos-drm exynos-drm: failed to bind 14530000.hdmi (ops > 0xc1398690): -1 Umm, -1 ? Looking that error code up in include/uapi/asm-generic/errno-base.h says it's -EPERM. I suspect that's someone just returning -1 because they're lazy... which is real bad form and needs fixing. -- RMK's Patch system: http://www.armlinux.org.uk/developer/patches/ FTTC broadband for 0.8mile line in suburbia: sync at 8.8Mbps down 630kbps up According to speedtest.net: 8.21Mbps down 510kbps up