** Changed in: linux (Ubuntu Vivid)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1483320
Title:
Migrate Broadwell to use i915_bpo
Status in
** Tags removed: cert-testing-needed
** Tags added: cert-testing-done
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Title:
Migrate Broadwell to use i915_bpo
Status in linux pac
(+bpo2 was the first version with the patch)
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Title:
Migrate Broadwell to use i915_bpo
Status in linux package in Ubuntu:
Invalid
Tested with the test kernel -27.29+bpo2.0, the vga external only issue
is fixed.
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Title:
Migrate Broadwell to use i915_bpo
Status i
commit 6fa2d197936ba0b8936e813d0adecefac160062b
Author: Ander Conselvan de Oliveira
Date: Mon Aug 31 11:23:28 2015 +0300
i915: Set ddi_pll_sel in DP MST path
in upstream drm-intel-next-fixes fixed this regression. This is included
on the -27.29+bpo2.2 build available here:
http://koti.kap
vga failure filed upstream
https://bugs.freedesktop.org/show_bug.cgi?id=91628
** Bug watch added: freedesktop.org Bugzilla #91628
https://bugs.freedesktop.org/show_bug.cgi?id=91628
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Here is the dmesg output for 201409-15487 (BIOS A07) with cycling
through all 4 modes, with "drm.debug=14 log_buf_len=500k" added into
GRUB_CMDLINE_LINUX_DEFAULT= of /etc/default/grub
** Attachment added: "dmesg-drm-debug-201409-15487.log"
https://bugs.launchpad.net/ubuntu/vivid/+source/linux
Here is the dmesg output for 201409-15487 (BIOS A07) with cycling
through all 4 modes, with "drm.debug=14" added into
GRUB_CMDLINE_LINUX_DEFAULT= of /etc/default/grub
** Attachment added: "dmesg-drm-debug-201409-15487.log"
https://bugs.launchpad.net/ubuntu/vivid/+source/linux/+bug/1483320/+att
Here is the dmesg output for 201409-15487 (BIOS A07) with cycling through all 4
modes,
with "drm.debug=14" added into GRUB_CMDLINE_LINUX_DEFAULT= of /etc/default/grub
** Attachment added: "dmesg-drm-debug-201409-15487.log"
https://bugs.launchpad.net/ubuntu/vivid/+source/linux/+bug/1483320/+a
Hi Timo,
this issue could be reproduced on 4.2-rc6, but one interesting thing is that I
can't use the hot key to switch the external monitor off, but I can do it
manually in the system settings.
Attachment is the dmesg output on 4.2-rc6
** Attachment added: "failed-4.2-vga.log"
https://bugs
I'm not able to reproduce the VGA issue on a BDW-H sdp hooked to my TV
:/
can you try mainline builds to see if they behave the same? start from
4.2-rc6
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The resolution on 201409-15487 is 1366x768
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Title:
Migrate Broadwell to use i915_bpo
Status in linux package in Ubuntu:
Invalid
S
201409-15487 - Dell Latitude E5450, another Broadwell-U UMA system with HDMI
and VGA port.
With kittyhawk 2.0 image (3.19.0-26 #27), I can only reproduce the rotation
issue.
The GPU hang won't happen on resume from suspend, no error message were found
for it.
The VT switch issue can't be reprod
Note, on 201408-15387, all four display modes (extended, mirrored...)
are working well with both HDMI and DP output.
And the detailed hardware information for the VGA controller is:
00:02.0 VGA compatible controller [0300]: Intel Corporation Broadwell-U
Integrated Graphics [8086:1616] (rev 08) (p
201408-15387 Dell Latitude E7250, a Broadwell-U UMA system [8086:1616]
With kittyhawk 2.0 image (3.19.0-26 #27), I can reproduce the following issues:
1. Normal <-> 180 display rotation, it would cause black screen.
2. VT switch, the screen will flick and the *ERROR* message could be found in
dmes
Certification team will verify this patch on the following two platforms:
201408-15387 (Broadwell UMA w/ HDMI + miniDP)
201409-15487 (Broadwell UMA w/ HDMI)
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a kernel build is available at
http://koti.kapsi.fi/~tjaalton/skl
it also has a bunch of patches for SKL, hence the location..
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Titl
** Description changed:
There are several bugs affecting Broadwell generation graphics in the
vivid kernel (3.19), but not found in 4.2rc which i915_bpo module is
based on. In order to support our OEM partners (and other BDW users) it
would make sense to migrate BDW to use i915_bpo instead
the upstream bug for the warning is
https://bugs.freedesktop.org/show_bug.cgi?id=90398
and probably needs to be fixed before flipping the default
** Bug watch added: freedesktop.org Bugzilla #90398
https://bugs.freedesktop.org/show_bug.cgi?id=90398
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Hmm now I see a few warnings in dmesg also after a resume with 4.2-rc6,
though no GPU hangs at least and no apparent user visible issues caused
by them. I'll check with upstream what they mean and if there's a fix
already.
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P
invalid for wily, which will get 4.2 soon
** Changed in: linux (Ubuntu)
Status: New => Invalid
** Changed in: linux (Ubuntu Vivid)
Importance: Undecided => High
** Changed in: linux (Ubuntu Vivid)
Status: New => In Progress
** Changed in: linux (Ubuntu Vivid)
Assignee: (un
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