From: Jan-Marek Glogowski <glogow@fbihome.de>
To: Jani Nikula <jani.nikula@linux.intel.com>,
Lyude Paul <lyude@redhat.com>,
intel-gfx@lists.freedesktop.org
Cc: stable@vger.kernel.org,
Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
Rodrigo Vivi <rodrigo.vivi@intel.com>,
David Airlie <airlied@linux.ie>,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4] drm/i915: Re-apply "Perform link quality check, unconditionally during long pulse"
Date: Mon, 27 Aug 2018 18:59:26 +0200 [thread overview]
Message-ID: <549c04d7-131d-e5c3-43e5-1ffdb6446d05@fbihome.de> (raw)
In-Reply-To: <871sak5hdu.fsf@intel.com>
Am 27.08.2018 um 10:43 schrieb Jani Nikula:
> On Sat, 25 Aug 2018, Lyude Paul <lyude@redhat.com> wrote:
>> From: Jan-Marek Glogowski <glogow@fbihome.de>
>>
>> This re-applies the workaround for "some DP sinks, [which] are a
>> little nuts" from commit 1a36147bb939 ("drm/i915: Perform link
>> quality check unconditionally during long pulse").
>> It makes the secondary AOC E2460P monitor connected via DP to an
>> acer Veriton N4640G usable again.
>>
>> This hunk was dropped in commit c85d200e8321 ("drm/i915: Move SST
>> DP link retraining into the ->post_hotplug() hook")
>>
>> Fixes: c85d200e8321 ("drm/i915: Move SST DP link retraining into the ->post_hotplug() hook")
>> [Cleaned up commit message, added stable cc]
>> Signed-off-by: Lyude Paul <lyude@redhat.com>
>> Signed-off-by: Jan-Marek Glogowski <glogow@fbihome.de>
>> Cc: stable@vger.kernel.org
>> ---
>> Resending this to update patchwork; will push in a little bit
>
> Is there a bugzilla? Reference to a list discussion? Something with a
> dmesg where someone can actually verify this is the right fix?
The bug is at https://bugs.freedesktop.org/show_bug.cgi?id=107446
The original thread starts here:
https://lists.freedesktop.org/archives/intel-gfx/2018-August/172940.html
Jan-Marek
next prev parent reply other threads:[~2018-08-27 16:59 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-25 19:10 [PATCH v4] drm/i915: Re-apply "Perform link quality check, unconditionally during long pulse" Lyude Paul
2018-08-25 19:39 ` ✓ Fi.CI.BAT: success for drm/i915: Re-apply "Perform link quality check, unconditionally during long pulse" (rev4) Patchwork
2018-08-25 20:33 ` ✓ Fi.CI.IGT: " Patchwork
2018-08-27 8:43 ` [PATCH v4] drm/i915: Re-apply "Perform link quality check, unconditionally during long pulse" Jani Nikula
2018-08-27 16:59 ` Jan-Marek Glogowski [this message]
2018-08-27 17:39 ` Lyude Paul
2018-08-29 21:22 ` Rodrigo Vivi
2018-08-29 21:28 ` [Intel-gfx] " Lyude Paul
2018-08-29 23:56 ` Rodrigo Vivi
2018-08-27 12:08 ` Ville Syrjälä
2018-08-27 17:45 ` Lyude Paul
2018-08-27 18:07 ` Ville Syrjälä
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