Re: [igt-dev] [PATCH i-g-t] igt/tests: kms_plane_stress: Add plane stress test

[Maarten Lankhorst <maarten.lankhorst@linux.intel.com>]

Op 21-03-2019 om 13:59 schreef Lisovskiy, Stanislav:
> On Thu, 2019-03-21 at 13:41 +0100, Maarten Lankhorst wrote:
>> Op 21-03-2019 om 13:34 schreef Stanislav Lisovskiy:
>>> This test attempts to utilize all connected
>>> outputs at the same time, using maximum possible
>>> resolution and amount of planes, to check whether
>>> we are hiting any kind of bandwidth, watermark or
>>> other limitations.
>>>
>>> Signed-off-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
>>> ---
>>>  lib/igt_kms.h            |   7 ++
>>>  tests/Makefile.sources   |   1 +
>>>  tests/kms_plane_stress.c | 247
>>> +++++++++++++++++++++++++++++++++++++++
>>>  tests/meson.build        |   1 +
>>>  tests/test.png           | Bin 0 -> 1068158 bytes
>> Remove the test png? You can use cairo calls to draw something, or
>> igt_create_pattern_fb to get a default pattern.
> Yes, can remove it. Just wanted some nice image here, however probably
> yeah will leave it for local testing.
>
>> How is this different from kms_atomic_transition btw? It tries the
>> same at least.
> Well, I guess kms_atomic_transition doesn't utilize all pipe at the
> same time, it goes just one by one. Here it tries to use all pipes
> at the same time.
>
But it does have tests for all modes, see run_modeset_transition. Only thing missing is

that we don't enable all planes yet. But this should be easy to add with try commit.

~Maarten

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