From: Jani Nikula <jani.nikula@linux.intel.com>
To: Paul Zimmerman <pauldzim@gmail.com>, Timo Aaltonen <tjaalton@ubuntu.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
Rodrigo Vivi <rodrigo.vivi@intel.com>,
intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [Intel-gfx] [PATCH RFC] Revert "drm/i915: Try to use fast+narrow link on eDP again and fall back to the old max strategy on failure"
Date: Tue, 11 May 2021 15:55:28 +0300 [thread overview]
Message-ID: <87a6p1v39b.fsf@intel.com> (raw)
In-Reply-To: <CADBGO7_cH2e1-zgVNvwVPRogqeFjTfJhKcuTfdF=xc_GoMmknA@mail.gmail.com>
On Mon, 10 May 2021, Paul Zimmerman <pauldzim@gmail.com> wrote:
> On Mon, May 10, 2021 at 7:00 AM Timo Aaltonen <tjaalton@ubuntu.com> wrote:
>>
>> On 9.5.2021 7.43, Paul Zimmerman wrote:
>> > This reverts commit 2bbd6dba84d44219387df051a1c799b7bac46099.
>> >
>> > Since 5.12-rc2, my Dell XPS-15 laptop has had a blank screen on boot.
>> > The system seems to run fine other than having no display, I am able
>> > to ssh into the machine. I don't see anything interesting in the dmesg
>> > log. I bisected the problem down to this commit, and reverting it fixes
>> > the problem.
>>
>> Have you tried with drm-tip? It has acca7762eb71bc0 which hopefully
>> helps here.
>
> I picked that one commit from the drm-tip tree (wasn't sure how to merge
> the entire tree into the kernel) and can confirm that it does fix the problem.
> Thank you! I hope the fix will be sent to Linus pretty soon, and it will need
> backporting to the 5.12 kernel as well.
I've picked up 2bbd6dba84d4 ("drm/i915: Try to use fast+narrow link on
eDP again and fall back to the old max strategy on failure") to
drm-intel-fixes, and it should find itself in v5.13-rc2 and subsequently
v5.12 stable in the coming weeks.
BR,
Jani.
--
Jani Nikula, Intel Open Source Graphics Center
next prev parent reply other threads:[~2021-05-11 12:55 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-09 4:43 [PATCH RFC] Revert "drm/i915: Try to use fast+narrow link on eDP again and fall back to the old max strategy on failure" Paul Zimmerman
2021-05-09 23:19 ` Paul Zimmerman
2021-05-10 13:59 ` [Intel-gfx] " Timo Aaltonen
2021-05-10 20:49 ` Paul Zimmerman
2021-05-11 12:55 ` Jani Nikula [this message]
2021-05-11 12:56 ` Jani Nikula
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