From: Dirk Gouders <gouders-UkMx63StcVObyvKg4uJg4nF3/sHOsa9/WV23jfQ1LcY@public.gmane.org>
To: Keith Packard <keithp-aN4HjG94KOLQT0dZR+AlfA@public.gmane.org>
Cc: Pekka Enberg <penberg-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
"Rafael J. Wysocki" <rjw-KKrjLPT3xs0@public.gmane.org>,
Linux Kernel Mailing List
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Kernel Testers List
<kernel-testers-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Maciej Rutecki
<maciej.rutecki-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Florian Mickler <florian-sVu6HhrpSfRAfugRpC6u6w@public.gmane.org>,
Robse <rob-se-Dz115AEZgoU@public.gmane.org>,
Chris Wilson
<chris-Y6uKTt2uX1cEflXRtASbqLVCufUGDwFn@public.gmane.org>
Subject: Re: [Bug #37472] Lenovo U160 (i915 black screen)
Date: Tue, 12 Jul 2011 10:27:01 +0200 [thread overview]
Message-ID: <gisjqb6h0q.fsf@karga.hank.lab> (raw)
In-Reply-To: <yun7h7pg8y7.fsf-XEHByDMaNQOz9DMzp4kqnw@public.gmane.org> (Keith Packard's message of "Sun, 10 Jul 2011 13:46:40 -0700")
Keith Packard <keithp-aN4HjG94KOLQT0dZR+AlfA@public.gmane.org> writes:
> On Sun, 10 Jul 2011 14:56:19 +0300, Pekka Enberg <penberg-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> wrote:
>
>> There's no mention that the i915 developers know about this problem so
>> I'm CC'ing Keith and Chris.
>
> Thanks. I've added a comment to the bug:
>
> First off, of course you are encouraged to re-test with 3.0-rc6 just to
> make sure it hasn't changed in some way. I don't think anything has
> changed enough to affect this, but it's always good to be sure.
>
> I note a long sequence of patches that are supposed to help with the
> U160:
>
> 448f53a1ede54eb854d036abf54573281412d650 drm/i915/bios: Reverse order of 100/120 Mhz SSC clocks
> bcfbbce822d219eb587acaba8a6e062bbeae4761 Revert "drm/i915/bios: Reverse order of 100/120 Mhz SSC clocks"
> a76150302d6e7ebc43e1a1ddaee7fd51db8da3b3 drm/i915: Add a module option to override the use of SSC
>
> I'm not sure why a quirk wasn't added for this hardware; it's clearly
> 'non-standard' in some mystic way.
On June 27th, I proposed that Robse perhaps could try the workaround
that was introduced with the latter commit: i915.lvds_use_ssc=0.
It works well on my hardware and probably solves his problem as well,
but he did not respond...
Dirk
[1] https://lkml.org/lkml/2011/6/27/45
next prev parent reply other threads:[~2011-07-12 8:27 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-10 10:54 3.0-rc6-git6: Reported regressions 2.6.38 -> 2.6.39 Rafael J. Wysocki
2011-07-10 10:54 ` [Bug #33242] Lockdep splat in autofs with 2.6.39-rc2 Rafael J. Wysocki
2011-07-10 10:58 ` [Bug #35142] 2.6.39-rc7-git1 boot error message (no crash) Rafael J. Wysocki
2011-07-10 10:58 ` [Bug #35242] NULL pointer dereference in intel_sdvo_write_cmd (was Black screen after boot) Rafael J. Wysocki
2011-07-10 10:58 ` [Bug #35662] softlockup with kernel 2.6.39 Rafael J. Wysocki
2011-07-10 10:58 ` [Bug #35642] On resume, I sometimes get a kernel oops with led_trigger_unregister_simple Rafael J. Wysocki
2011-07-10 10:58 ` [Bug #34942] [Bug] Kdump does not work when panic triggered due to MCE Rafael J. Wysocki
2011-07-10 12:06 ` Pekka Enberg
[not found] ` <CAOJsxLE9UBoMocTaWAt7DSoFFwGP5oD901XyeK6jGHEzUuSjDg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-07-10 12:25 ` Rafael J. Wysocki
2011-07-10 10:58 ` [Bug #36392] 2.6.39, 3.0-rc2 Intel DRI Regression: Black Screen after trying to play video Rafael J. Wysocki
2011-07-10 10:58 ` [Bug #35922] SND_USB_AUDIO recording device not initializing correctly Rafael J. Wysocki
2011-07-10 10:58 ` [Bug #36332] Intel gpu turns external monitor off when X starts Rafael J. Wysocki
2011-07-10 10:58 ` [Bug #36182] Erroneous package power limit notification since kernel 2.6.39 Rafael J. Wysocki
2011-07-10 17:03 ` Olaf Freyer
[not found] ` <4E19DB69.5020406-hi6Y0CQ0nG0@public.gmane.org>
2011-07-10 20:20 ` Rafael J. Wysocki
2011-07-10 10:58 ` [Bug #37042] linux 3.0.0-rc2 libata-eh.c:4018 ata_scsi_port_error_handler+0x80/0x53d on s2disk Rafael J. Wysocki
2011-07-10 10:58 ` [Bug #37292] kernel BUG at fs/ecryptfs/read_write.c:47! Rafael J. Wysocki
2011-07-10 10:58 ` [Bug #37312] Intel 5100 wifi stopped working with 2.6.39.1 Rafael J. Wysocki
2011-07-10 10:58 ` [Bug #36952] [2.6.39] CIFS write failures where 2.6.38 works Rafael J. Wysocki
2011-07-10 11:58 ` Pekka Enberg
[not found] ` <CAOJsxLHNKTh_ATo4_mQfjUfqtddheE-+bF14SPCNYBu+fjW9Tw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-07-10 18:34 ` Jeff Layton
[not found] ` <20110710143458.531f226d-9yPaYZwiELC+kQycOl6kW4xkIHaj4LzF@public.gmane.org>
2011-07-10 20:23 ` Rafael J. Wysocki
2011-07-10 10:58 ` [Bug #37472] Lenovo U160 (i915 black screen) Rafael J. Wysocki
2011-07-10 11:56 ` Pekka Enberg
[not found] ` <CAOJsxLGkWX61TLqwgL19tN5ZQuB2cUibPsNSvCB+Ydihtus__w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-07-10 20:46 ` Keith Packard
[not found] ` <yun7h7pg8y7.fsf-XEHByDMaNQOz9DMzp4kqnw@public.gmane.org>
2011-07-12 8:27 ` Dirk Gouders [this message]
[not found] ` <gisjqb6h0q.fsf-XGOYYVKeyQUMVNNnvMCQ9Q@public.gmane.org>
2011-07-12 8:35 ` Dirk Gouders
[not found] ` <gioc0z6gn2.fsf-XGOYYVKeyQUMVNNnvMCQ9Q@public.gmane.org>
2011-07-12 15:47 ` Keith Packard
[not found] ` <yunei1vec1k.fsf-XEHByDMaNQOz9DMzp4kqnw@public.gmane.org>
2011-07-12 16:12 ` Dirk Gouders
2011-07-10 10:58 ` [Bug #37322] high load, unresponsive system spinning in rcu_kthread Rafael J. Wysocki
2011-07-10 10:58 ` [Bug #37692] Linux 2.6.39.x fails to boot - unable to mount root fs Rafael J. Wysocki
2011-07-10 10:58 ` [Bug #37622] Poor wireless performance with Intel 4965AGN with iwl-legacy/iwl4965 Rafael J. Wysocki
2011-07-10 10:58 ` [Bug #37712] reboot / "shutdown -r now" hangs ; works fine on 2.6.38.7-1 Rafael J. Wysocki
2011-07-10 10:58 ` [Bug #37772] Sometimes, sound disappears and doesn't want to idle Rafael J. Wysocki
2011-07-10 10:58 ` [Bug #37752] Kernel Panic in drm_vblank_put+0x13/0x50 on P4 HT machine with 82915G/GV/910GL Integrated Graphics Controller Rafael J. Wysocki
2011-07-11 18:35 ` Martin
2011-07-11 19:21 ` Rafael J. Wysocki
2011-07-10 10:58 ` [Bug #38102] BUG kmalloc-2048: Poison overwritten Rafael J. Wysocki
2011-07-10 11:29 ` Alexey Zaytsev
[not found] ` <CAB9v_DGfA4YLhDKeEZziFLgCak8cL+CjGdjkiwa_YtF_HHw5Dg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-07-10 12:32 ` Rafael J. Wysocki
2011-07-10 10:58 ` [Bug #38132] [Warning] 2.6.39.x latencytop Rafael J. Wysocki
2011-07-10 11:53 ` Pekka Enberg
[not found] ` <CAOJsxLEGqpcQP3S+TLBjpRsM=UTk=zyuHBoswXkVwbHsLaDqqg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-07-10 12:35 ` Rafael J. Wysocki
2011-07-10 21:25 ` Steven Rostedt
[not found] ` <1310333145.2269.6.camel-f9ZlEuEWxVcI6MkJdU+c8EEOCMrvLtNR@public.gmane.org>
2011-07-11 7:34 ` Pekka Enberg
2011-07-10 10:58 ` [Bug #38742] After hard power-off, btrfs cannot be recovered except booting 2.6.38 or below kernel Rafael J. Wysocki
2011-07-10 10:58 ` [Bug #38842] panic in elv_completed_request on safe remove usb hard drive Rafael J. Wysocki
-- strict thread matches above, loose matches on Subject: below --
2011-06-26 22:26 3.0-rc4: Reported regressions 2.6.38 -> 2.6.39 Rafael J. Wysocki
2011-06-26 22:35 ` [Bug #37472] Lenovo U160 (i915 black screen) Rafael J. Wysocki
2011-06-27 7:14 ` Dirk Gouders
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