[igt-dev] [PATCH v4 0/2] tests/fbdev: Additional tests for resolution and panning

[Thomas Zimmermann]

Hi

Am 05.11.21 um 09:51 schrieb Saarinen, Jani:
> + at Syrjala, Ville who reviewed.
> 
>> -----Original Message-----
>> From: igt-dev <igt-dev-bounces at lists.freedesktop.org> On Behalf Of Saarinen, Jani
>> Sent: perjantai 5. marraskuuta 2021 10.23
>> To: Latvala, Petri <petri.latvala at intel.com>; Thomas Zimmermann
>> <tzimmermann at suse.de>
>> Cc: igt-dev at lists.freedesktop.org
>> Subject: Re: [igt-dev] [PATCH v4 0/2] tests/fbdev: Additional tests for resolution and
>> panning
>>
>> Hi,
>>
>>> -----Original Message-----
>>> From: igt-dev <igt-dev-bounces at lists.freedesktop.org> On Behalf Of
>>> Petri Latvala
>>> Sent: maanantai 1. marraskuuta 2021 16.23
>>> To: Thomas Zimmermann <tzimmermann at suse.de>drm_atomic_plane_check
>>> Cc: igt-dev at lists.freedesktop.org
>>> Subject: Re: [igt-dev] [PATCH v4 0/2] tests/fbdev: Additional tests
>>> for resolution and panning
>>>
>>> On Mon, Nov 01, 2021 at 03:17:54PM +0100, Thomas Zimmermann wrote:
>>>> Ping for merging these patches.
>>>
>>> Merged the lot, thanks.
>> Caused now this: https://gitlab.freedesktop.org/drm/intel/-/issues/4435
>> So failing on several systems.

The test tries move the scanout location within the fbdev memory. This 
works with other drivers.

Did you check that i915 supports this? Can you get a full backtrace, so 
that we see for which parameters it fails.

ENOSPC (the reported error) is not in i915's fbdev code. It's only used 
as error code if we try to write outside of the available video memory, 
which we don't do here. It could originate from drm_atomic_plane_check() 
[1].

Best regards
Thomas

[1] 
https://elixir.bootlin.com/linux/v5.15/source/drivers/gpu/drm/drm_atomic.c#L660

>>
>>>
>>>
>>> --
>>> Petri Latvala

-- 
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Ivo Totev
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