Status update, tested on latest git nightly. No changes.
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Title:
only external screen is working with asus zenbook ux31e [eDP1]
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Hi, tested yesterdays drm-intel-nightly with hope this patch will fix
it:
commit 52e1e223456e3aa747e9932f95948381f04b3b26
Author: Jani Nikula
Date: Mon Oct 21 10:52:07 2013 +0300
drm/i915/dp: workaround BIOS eDP bpp clamping issue
suddenly it is not.
Right now i found one more way to bri
Created attachment 87451
dmesg-3.12.0-rc4-00468-g16b4e9b + switch in grub
Here is dmesg with other workaround.
I started laptop with attached VGA and switched it default screen in grub with
Fn+F8 button. After it both displays work OK.
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No, intel_iommu=igfx_off do not fix it any more.
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Title:
only external screen is working with asus zenbook ux31e [eDP1]
To manage notifications a
Created attachment 87441
dmesg-3.12.0-rc4-00468-g16b4e9b
Start with previously attached VGA. Both displays seems to be detected,
and listed by xrandr. But DP is blank with backlight on.
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Hi Jani.
If VGA attached on before power on:
only VGA has image. DP has backlight on, but no image.
xrandr list both displays.
After pressing Fn+F8, display switch button, both screens will work.
After this i get some warnings in dmesg.
If VGA attached after boot, both displays are working OK.
No
Created attachment 87402
dmesg-3.12.0-rc4-00468-g16b4e9b
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Title:
only external screen is working with asus zenbook ux31e [eDP1]
To manage notific
Created attachment 87403
dmesg-3.12.0-rc4-00468-g16b4e9b
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Title:
only external screen is working with asus zenbook ux31e [eDP1]
To manage notific
Yes, it works.
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Title:
only external screen is working with asus zenbook ux31e [eDP1]
To manage notifications about this bug go to:
https://bugs.
yes, intel_iommu=igfx_off helps too. Thanks!
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Title:
only external screen is working with asus zenbook ux31e [eDP1]
To manage notifications about
After your comment i did some more tests -- just in case.
Enabled VT-d and removed intel_iommu=igfx_off line. Result is really
interesting:
I get oops only on second boot without igfx_off. First boot without igfx_off is
ok, both displays are working, but after power off and new start with same
c
So, i tasted with latest git 3.10.0-rc7-00854-gf19c9d3 - same result.
(gdb) l *intel_crtc_set_config+0x216
0x2bab0 is in intel_crtc_set_config
(/home/lex/tmp/linux/drivers/gpu/drm/i915/intel_display.c:8678).
8673 int num_connectors)
8674{
8675int i;
8676
Created attachment 82263
dmesg-3.10.0-rc7-00858-g2a74dfa
Here is dmesg from current git and boot with attached VGA display. Some notes:
- right now it works only with Intel VT-d disabled.
- there is some warnings abut pipe_off wait timed out
- i have only one login screen, on VGA. After login both
Seems like disabling "Intel VT-d" solve this oops. I was able to boot
with vga+laptop screen and both was working!
I'll do more testing to be sure.
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It still miserably fails :(
- on hotplug, after start - every thing is ok. vga screen will be
recognised without problem.
- on coldplug. before power on - laptop screen is blank. vga - shows
part of oops message. X is not started, but machine is accessible over
ssh.
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Created attachment 81446
dmesg-3.10.0-rc6-00406-g73bc88c
dmesg from current nightly git.
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Title:
only external screen is working with asus zenboo
Hmm... looks like i missed last message. I'll do some tests tomorrow.
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Title:
only external screen is working with asus zenbook ux31e [eDP1]
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