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From: Jani Nikula <jani.nikula@linux.intel.com>
To: Paul Zimmerman <pauldzim@gmail.com>, Timo Aaltonen <tjaalton@ubuntu.com>
Cc: 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
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

WARNING: multiple messages have this Message-ID (diff)
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

  reply	other threads:[~2021-05-11 12:55 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-09  4:43 [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" Paul Zimmerman
2021-05-09  4:43 ` Paul Zimmerman
2021-05-09 23:19 ` [Intel-gfx] " Paul Zimmerman
2021-05-09 23:19   ` Paul Zimmerman
2021-05-10 10:31 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for " Patchwork
2021-05-10 13:59 ` [Intel-gfx] [PATCH RFC] " Timo Aaltonen
2021-05-10 13:59   ` Timo Aaltonen
2021-05-10 20:49   ` Paul Zimmerman
2021-05-10 20:49     ` Paul Zimmerman
2021-05-11 12:55     ` Jani Nikula [this message]
2021-05-11 12:55       ` Jani Nikula
2021-05-11 12:56       ` Jani Nikula
2021-05-11 12:56         ` Jani Nikula

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