[Bug 107583] Linux: REGRESSION: drm: cmdline EDID override mechanisms broken since 4.15

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sun Sep 2 09:02:30 UTC 2018


https://bugs.freedesktop.org/show_bug.cgi?id=107583

--- Comment #7 from Paul Wise <pabs3 at bonedaddy.net> ---
I'm now working on a new bisect in a more systematic way to verify my earlier
results, test drm-tip and include all the requested info. This will take a
while because my systems do not have SSD nor fast CPUs.

Some replies to clarify some things in the meantime:

In a fresh clone of linux.git, the commits are described as being based on
v4.13 RCs, I guess that is why the version numbers seem strange:

$ git describe --tags 53fd40a90f3c
v4.13-rc5-841-g53fd40a90f3c
$ git describe --tags ac6c35a4d8c7
v4.13-rc5-842-gac6c35a4d8c7

The system I am testing this on is a Lenovo X201 Tablet (laptop with
touchscreen) with an Intel GPU:

00:02.0 VGA compatible controller [0300]: Intel Corporation Core Processor
Integrated Graphics Controller [8086:0046] (rev 02)

I also have a second system with an NVIDIA GPU using nouveau. I'll test that
using the same Linux builds once I am done with the laptop.

01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GK107 [GeForce GT
740] [10de:0fc8] (rev a1)

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