From: Tim Gardner <tim.gardner@canonical.com>
To: Alex Deucher <alexdeucher@gmail.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>,
LKML <linux-kernel@vger.kernel.org>,
Maling list - DRI developers <dri-devel@lists.freedesktop.org>,
kernel-team <kernel-team@lists.ubuntu.com>,
Dave Airlie <airlied@redhat.com>,
Dan Carpenter <dan.carpenter@oracle.com>
Subject: Re: Lenovo x120e resume regression in 3.15-rc1 bisected to 'drm/crtc-helpers: fix dpms on logic'
Date: Fri, 02 May 2014 12:30:45 -0600 [thread overview]
Message-ID: <5363E455.2020500@canonical.com> (raw)
In-Reply-To: <CADnq5_OeiqpDZoPcAccKJn9Tvzz-euNJou4LhZqNKOH64F+7dw@mail.gmail.com>
On 05/02/2014 11:21 AM, Alex Deucher wrote:
> On Fri, May 2, 2014 at 12:40 PM, Tim Gardner <tim.gardner@canonical.com> wrote:
>> I've bisected a resume regression on a Lenovo x120e to
>> 177cf92de4aa97ec1435987e91696ed8b5023130 (drm/crtc-helpers: fix dpms on
>> logic). Everything works fine with this patch reverted on top of
>> 3.15-rc3. I realize it is correcting a coding error that has been in
>> place since 3.11, but it is also causing this laptop to resume to a
>> black screen wherein the platform appears to be locked up (no console,
>> no network). See attached bisect log and lspci. The BIOS version is 1.15.
>>
>
> Does the attached patch help? I haven't had a chance to unwind all
> the logic in the crtc helper code.
>
> Alex
>
Nope, same symptom. Black screen on resume, no network, etc.
rtg
--
Tim Gardner tim.gardner@canonical.com
WARNING: multiple messages have this Message-ID (diff)
From: Tim Gardner <tim.gardner@canonical.com>
To: Alex Deucher <alexdeucher@gmail.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>,
Dave Airlie <airlied@redhat.com>,
Dan Carpenter <dan.carpenter@oracle.com>,
Maling list - DRI developers <dri-devel@lists.freedesktop.org>,
LKML <linux-kernel@vger.kernel.org>,
kernel-team <kernel-team@lists.ubuntu.com>
Subject: Re: Lenovo x120e resume regression in 3.15-rc1 bisected to 'drm/crtc-helpers: fix dpms on logic'
Date: Fri, 02 May 2014 12:30:45 -0600 [thread overview]
Message-ID: <5363E455.2020500@canonical.com> (raw)
In-Reply-To: <CADnq5_OeiqpDZoPcAccKJn9Tvzz-euNJou4LhZqNKOH64F+7dw@mail.gmail.com>
On 05/02/2014 11:21 AM, Alex Deucher wrote:
> On Fri, May 2, 2014 at 12:40 PM, Tim Gardner <tim.gardner@canonical.com> wrote:
>> I've bisected a resume regression on a Lenovo x120e to
>> 177cf92de4aa97ec1435987e91696ed8b5023130 (drm/crtc-helpers: fix dpms on
>> logic). Everything works fine with this patch reverted on top of
>> 3.15-rc3. I realize it is correcting a coding error that has been in
>> place since 3.11, but it is also causing this laptop to resume to a
>> black screen wherein the platform appears to be locked up (no console,
>> no network). See attached bisect log and lspci. The BIOS version is 1.15.
>>
>
> Does the attached patch help? I haven't had a chance to unwind all
> the logic in the crtc helper code.
>
> Alex
>
Nope, same symptom. Black screen on resume, no network, etc.
rtg
--
Tim Gardner tim.gardner@canonical.com
next prev parent reply other threads:[~2014-05-02 18:30 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-02 16:40 Lenovo x120e resume regression in 3.15-rc1 bisected to 'drm/crtc-helpers: fix dpms on logic' Tim Gardner
2014-05-02 16:40 ` Tim Gardner
2014-05-02 17:21 ` Alex Deucher
2014-05-02 17:21 ` Alex Deucher
2014-05-02 18:30 ` Tim Gardner [this message]
2014-05-02 18:30 ` Tim Gardner
2014-05-02 19:55 ` Tim Gardner
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