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[BUG] rc1 and rc2: Laptop unusable: on boot,screen black instead of native resolution

Message ID 53ADB359.4010401@posteo.de (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Martin Kepplinger June 27, 2014, 6:09 p.m. UTC 
Am 2014-06-27 17:14, schrieb Zhang Rui:
> On Mon, 2014-06-23 at 16:46 +0200, Martin Kepplinger wrote:
>> Am 2014-06-23 15:14, schrieb Zhang Rui:
>>> On Mon, 2014-06-23 at 14:22 +0200, Martin Kepplinger wrote:
>>>> Am 2014-06-23 03:10, schrieb Zhang, Rui:
>>>>>
>>>>>
>>>>>> -----Original Message-----
>>>>>> From: Martin Kepplinger [mailto:martink@posteo.de]
>>>>>> Sent: Sunday, June 22, 2014 10:25 PM
>>>>>> To: Zhang, Rui
>>>>>> Cc: rjw@rjwysocki.net; lenb@kernel.org; linux-acpi@vger.kernel.org;
>>>>>> linux-kernel@vger.kernel.org
>>>>>> Subject: [BUG] rc1 and rc2: Laptop unusable: on boot,screen black
>>>>>> instead of native resolution
>>>>>> Importance: High
>>>>>>
>>>>>> Since 3.16-rc1 my laptop's just goes black while booting, instead of
>>>>>> switching to native screen resolution and showing me the starting
>>>>>> system there. It's an Acer TravelMate B113 with i915 driver and
>>>>>> acer_wmi. It stays black and is unusable.
>>>>>>
>>> This looks like a duplicate of
>>> https://bugzilla.kernel.org/show_bug.cgi?id=78601
>>>
>>> thanks,
>>> rui
>> I'm not sure about that. I have no problem with v3.15 and the screen
>> goes black way before a display manager is started. It's right after the
>> kernel loaded and usually the screen is set to native resolution.
>>
>> Bisect told me aaeb2554337217dfa4eac2fcc90da7be540b9a73 as the first bad
>> one. Although, checking that out and running it, works good. not sure if
>> that makes sense.
>>
> could you please check if the comment in
> https://bugzilla.kernel.org/show_bug.cgi?id=78601#c5 solves your problem
> or not?
> 
> thanks,
> rui

thanks for checking. This does not change anything though. I tested the
following on top of v3.16-rc2 and linus's tree as of today, almost -rc3.

---
 drivers/gpu/drm/i915/intel_fbdev.c |    1 -
 1 file changed, 1 deletion(-)
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Patch

diff --git a/drivers/gpu/drm/i915/intel_fbdev.c
b/drivers/gpu/drm/i915/intel_fbdev.c
index 088fe93..1e2f9ae 100644
--- a/drivers/gpu/drm/i915/intel_fbdev.c
+++ b/drivers/gpu/drm/i915/intel_fbdev.c
@@ -453,7 +453,6 @@  out:
 }

 static struct drm_fb_helper_funcs intel_fb_helper_funcs = {
-       .initial_config = intel_fb_initial_config,
        .gamma_set = intel_crtc_fb_gamma_set,
        .gamma_get = intel_crtc_fb_gamma_get,
        .fb_probe = intelfb_create,