[PATCHES] R600/SI: VI fixes for bit shifts, GS

Michel Dänzer michel at daenzer.net
Wed Jan 28 06:10:52 PST 2015

On 28.01.2015 22:41, Marek Olšák wrote:
> On Wed, Jan 28, 2015 at 11:29 AM, Michel Dänzer <michel at daenzer.net> wrote:
>> On 28.01.2015 07:16, Marek Olšák wrote:
>>> Hi,
>>> This is another set of fixes for VI. Patches 1-2, 5-6 fix real issues.
>>> Patches 3-4, 7-8 are mostly cosmetic. Only patch 1 should fix an issue
>>> that is reproducible by piglit.
>>> I couldn't test these, because my VI hw is very unstable.
>> My testing so far on Tonga indicates that either patch 8 of this series
>> decreases stability significantly, or it's just very random (sometimes
>> not possible to finish a piglit run on several attempts, sometimes
>> several successful runs in a row). If it's the former, it only seems to
>> happen if the patch in question is applied at boot time. I'll test more
>> to see which it is.
> Well, your Tonga seems to be a lot more stable than mine. On my
> machine, the piglit test counter doesn't even reach number 2000 after
> several attempts, which is pretty bad considering there are 26k tests
> or so.

That sounds similar to what I was seeing when I initially tested with
all 8 patches applied. Is it the same for you if you boot without these
patches applied, or at least without patch 8 applied?

Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer

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