[Bug 203627] New: [Regression] Boot fails with linux-firmware 20190514

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=203627

            Bug ID: 203627
           Summary: [Regression] Boot fails with linux-firmware 20190514
           Product: Drivers
           Version: 2.5
    Kernel Version: 4.19.44
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri at kernel-bugs.osdl.org
          Reporter: mezin.alexander at gmail.com
        Regression: No

After commit
https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/commit/?id=2579167548be33afb1fe2a9a5c141561ee5a8bbe
system doesn't boot anymore with kernels 4.19.x (at least 4.19.40 and 4.19.44).
5.1 boots fine.

Displays turn off early when amdgpu driver loads, never turn on again. Can't
reach the system over ssh. Also can't get any logs from journald (that boot
attempt just doesn't get recorded)

GPU: RX Vega 64 (Sapphire Nitro+)
Dual 4K displays connected over DisplayPort

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