[Intel-gfx] [PATCH] Fix GM965 TV out regression

[Robert Lowery]

> On Sat, May 19, 2012 at 04:52:10PM +1000, Robert Lowery wrote:
>> I recently upgraded to ubuntu 12.04 and noticed the TV out no longer
>> works
>> with kernel 3.2.0.
>>
>> Tracing back through old kernels, I found the last working kernel was
>> 2.6.35.
>>
>> Now 4 years ago I fixed a similar issue in the user space intel driver
>> by
>> waiting for vblank after writing to the TV_CTL register via
>> http://cgit.freedesktop.org/xorg/driver/xf86-video-intel/commit/src/i830_tv.c?id=1142be53eb8d2ee8a9b60ace5d49f0ba27332275
>>
>> Low and behold, it appears 2 years later this same issue was
>> reintroduced
>> in kernel 2.6.36 and has led to some very unhappy users eg
>> https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/763688
>>
>> Could someone please apply the following which I have confirmed re-fixes
>> the issue for my TV output via component video connection.
>
> Nice piece of diggin through code! A few minor nitpicks on the patch:
> - sob-line is missing (see Documentation/SubmittingPatches)
> - are there any other people who have tested this patch? If so, please
>   include them in the patch with a
>
>   Tested-by: Name <mail at server>

Signed-off-by: Robert Lowery <rglowery at exemail.com.au>

I'm not aware of anyone else that has tested this patch as yet.

>
> Rodrigo, can you please check this patch with the docs and maybe quickly
> run it?
>
> Thanks, Daniel
> --
> Daniel Vetter
> Mail: daniel at ffwll.ch
> Mobile: +41 (0)79 365 57 48
>