[lkml]   [2010]   [Sep]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] Revert "drm/i915: fix vblank wait test condition"
  On 4.9.2010 23.42, Sven Joachim wrote:
> On 2010-09-04 21:54 +0200, Hugh Dickins wrote:
>> On Sat, 4 Sep 2010, Pekka Enberg wrote:
>>> On Sat, 4 Sep 2010 11:17:14 +0300, Pekka Enberg<> wrote:
>>>>> This reverts commit 9559fcdbff4f93d29af04478bbc48294519424f5. The commit causes
>>>>> wrong screen resolution on some i915 machines such as MacBook which is a
>>>>> regression from 2.6.35. The issue has been reported multiple times but no fix
>>>>> has emerged:
>>> On Sat, Sep 4, 2010 at 12:21 PM, Chris Wilson<> wrote:
>>>> NAK. You can't simply hide one bug by introducing a much bigger one.
>>> Dude, it's a nasty regression from 2.6.35. What exactly are you NAK'ing here?
>>>> As you have an affected machine, find which wait_for_vblank() needs to be
>>>> replaced with a msleep(20|50).
>>> The attached patch fixes things here. I'm not a drm developer so I
>>> don't know if it makes technical sense.
>> Many thanks to you, Pekka: I also don't know if it makes technical sense,
>> but it solves the same issue for me, so I can at last use 2.6.36-rc on
>> this laptop.
> Helps for me as well, but I cannot judge whether it makes technical
> sense either. Thanks, Pekka!
Is someone picking this patch up or am I supposed to send it to Linus?


 \ /
  Last update: 2010-09-05 18:13    [W:0.074 / U:3.968 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site