From: Jani Nikula <jani.nikula@linux.intel.com>
To: Daniel Vetter <daniel@ffwll.ch>,
Alexey Orishko <alexey.orishko@gmail.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>,
Intel Graphics Development <intel-gfx@lists.freedesktop.org>,
stable@vger.kernel.org, Chris Wilson <chris@chris-wilson.co.uk>,
Francois Tigeot <ftigeot@wolfpond.org>,
Daniel Vetter <daniel.vetter@intel.com>
Subject: Re: [PATCH] drm/i915: Unlock panel even when LVDS is disabled
Date: Tue, 02 Dec 2014 15:21:45 +0200 [thread overview]
Message-ID: <87k32anq52.fsf@intel.com> (raw)
In-Reply-To: <20141202130002.GR32117@phenom.ffwll.local>
On Tue, 02 Dec 2014, Daniel Vetter <daniel@ffwll.ch> wrote:
> On Tue, Dec 02, 2014 at 01:43:59PM +0100, Alexey Orishko wrote:
>> On Mon, Dec 1, 2014 at 5:56 PM, Daniel Vetter <daniel.vetter@ffwll.ch> wrote:
>> > Otherwise we'll have backtraces in assert_panel_unlocked because the
>> > BIOS locks the register. In the reporter's case this regression was
>> > introduced in
>> >
>> > commit c31407a3672aaebb4acddf90944a114fa5c8af7b
>> > Author: Chris Wilson <chris@chris-wilson.co.uk>
>> > Date: Thu Oct 18 21:07:01 2012 +0100
>> >
>> > drm/i915: Add no-lvds quirk for Supermicro X7SPA-H
>> >
>> > Alexey, please test this patch.
>> >
>>
>> Thank you for the patch.
>> I've tested this patch on the failed system (BIOS ver.1.0) with 3.17.4
>> kernel and it looks good.
>> - Do you need dmesg log?
>
> Nope.
>
>> - Could this patch be merged into 3.18 kernel?
>
> Jani, can you please pick this one up as a regression fix?
Pushed to drm-intel-fixes, thanks for the patch and testing.
BR,
Jani.
>
>> I've also checked that everything still ok on other mobos with BIOS
>> ver.1.0c and 1.2a.
>>
>> One more question slightly out off topic:
>> - could I use i915 driver with other Intel Atom CPUs, such as D2550
>> and Avoton C2550?
>
> Anything newer than what you have right now likely means gma500 (which is
> horrible), unless it's a baytrail. Buyer beware, please triple-check that
> it works before placing an order. Since I have no clue about marketing
> names I'll refrain from a recommendation (too many ppl burned already).
> -Daniel
> --
> Daniel Vetter
> Software Engineer, Intel Corporation
> +41 (0) 79 365 57 48 - http://blog.ffwll.ch
--
Jani Nikula, Intel Open Source Technology Center
next prev parent reply other threads:[~2014-12-02 13:21 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-30 22:14 i915 driver failure Alexey Orishko
2014-12-01 9:10 ` Daniel Vetter
2014-12-01 10:56 ` Alexey Orishko
2014-12-01 16:56 ` [PATCH] drm/i915: Unlock panel even when LVDS is disabled Daniel Vetter
2014-12-01 18:38 ` Alexey Orishko
2014-12-02 12:43 ` Alexey Orishko
2014-12-02 13:00 ` Daniel Vetter
2014-12-02 13:12 ` Francois Tigeot
2014-12-02 13:21 ` Jani Nikula [this message]
2014-12-03 0:53 ` shuang.he
2014-12-29 8:00 ` Jani Nikula
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