[Bug 101483] A10-8780P (Carrizo) + R7 M260/M265 does not boot without any "workaround" parameter.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101483

--- Comment #32 from FFAB <lx at o2mail.de> ---
Upstream kernel test - kernel 4.15-rc3

BIOS upgradedfrom F.41 to F.45

Installation, on which upstream kernel was installed:

ubuntu 16.04.3, kernel 4.10.0-42, updated 2017-12-11

1. booting without any workaround parameters
2. booting with kernel parameter iommu=soft

boot-time 50sec

->> Login-screen!!!
    Local login

Now:
    led backlight brightness adjustable
    hdmi connection works
    systemsettings - display and monitor adjustable

I'll set this bug as  r e s o l v e d   when the solution is in released ubuntu
versions available    



attachments: dmesg_20171213_4_15-rc3.txt,  
dmesg_20171213_4_15-rc3_iommu_soft.txt

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