[Mesa-dev] [PATCH 0/10] Tessellation shaders for Gen7/7.5.

[Aaron Watry]

Thanks from here as well.

I just last week received a haswell laptop to replace my evergreen-based
desktop at work (which will still be in service), so hopefully I will be
able to start poking at piglit/beignet a bit on that architecture as
well...  It's nice to know that GL 4.0 is just hopefully just around the
corner.

--Aaron

On Thu, Dec 24, 2015 at 11:41 PM, <eocallaghan at alterapraxis.com> wrote:

>
> Reviewed-by: Edward O'Callaghan <eocallaghan at alterapraxis.com>
>
> Congrats on getting this working, also thanks!
>
>
> On 2015-12-25 12:34, Kenneth Graunke wrote:
>
>> This morning, I woke up and somehow "knew" what was causing my HS GPU
>> hangs
>> on Gen7/7.5.  It turns out I was (completely) wrong, but through some
>> miraculous series of illogical leaps, I arrived at a solution anyway.
>>
>> I don't honestly know how I got it working on Christmas Eve after
>> failing to figure it out for months on end.  After exhausting every bit
>> of documentation and every tool available, and finding zero information,
>> somehow randomly flailing in the dark resulted in a solution, today of
>> all days.  Honestly, I had pretty much no hope for figuring this out,
>> so I'm relieved to have it working at last...
>>
>> It turns out that setting interleave on the EOT URB write does bad things.
>> Fixing this fixed all the GPU hangs when releasing inputs one at a time,
>> I then added back the ability to release inputs in pairs, which caused
>> more GPU hangs.  It turned out I needed to be more careful and enable
>> both halves.
>>
>> Everything seems to be working just fine now, so let's turn it on.
>>
>> --Ken
>>
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>>
>
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