Hi Bjorn, On 2020-09-30 17:51:54 -0500, Bjorn Helgaas wrote: > On Wed, Sep 30, 2020 at 03:34:10PM -0500, Rob Herring wrote: > > On Wed, Sep 30, 2020 at 12:37 PM Niklas Söderlund > > <niklas.soderlund@xxxxxxxxxxxx> wrote: > > > > > > Hi Marc, > > > > > > On 2020-09-30 18:23:21 +0100, Marc Zyngier wrote: > > > > Hi Niklas, > > > > > > > > [+ Samuel] > > > > > > > > On 2020-09-30 17:27, Niklas Söderlund wrote: > > > > > Hi Marc, > > > > > > > > > > I'm afraid this commit breaks booting my rk3399 device. > > > > > > > > > > I bisected the problem to this patch merged as [1]. I'm testing on a > > > > > Scarlet device and I'm using the unmodified upstream > > > > > rk3399-gru-scarlet-inx.dtb for my tests. > > > > > > > > > > The problem I'm experience is a black screen after the bootloader and > > > > > the device is none responsive over the network. I have no serial console > > > > > to this device so I'm afraid I can't tell you if there is anything > > > > > useful on to aid debugging there. > > > > > > > > > > If I try to test one commit earlier [2] the system boots as expected and > > > > > everything works as it did for me in v5.8 and earlier. I have worked > > > > > little with this device and have no clue about what is really on the PCI > > > > > buss. But running from [2] I have this info about PCI if it's helpful, > > > > > please ask if somethings missing. > > > > > > > > Please see the thread at [1]. The problem was reported a few weeks back > > > > by Samuel, and I was expecting Rob and Lorenzo to push a fix for this. > > > > > > Thanks for providing a solution. > > > > > > > > > > > Rob, Lorenzo, any update on this? > > > > The fix is in Bjorn's tree[1]. > > > > Bjorn, going to send this to Linus before v5.9 is out? > > Definitely, thanks for the reminder. I'm assuming the fix in question > is https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git/commit/?h=for-linus&id=e338eecf3fe79054e8a31b8c39a1234b5acfdabe That patch solves my boot problem. Cherry-picked and tested directly on-top of v5.9-rc7 (which fails to boot without the patch in question). > > > [1] https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git/log/?h=for-linus -- Regards, Niklas Söderlund
