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

[Saarinen, Jani]

Hi, 
> -----Original Message-----
> From: Thomas Zimmermann <tzimmermann at suse.de>
> Sent: perjantai 5. marraskuuta 2021 11.22
> To: Saarinen, Jani <jani.saarinen at intel.com>; Latvala, Petri
> <petri.latvala at intel.com>; Syrjala, Ville <ville.syrjala at intel.com>
> Cc: igt-dev at lists.freedesktop.org
> Subject: Re: [igt-dev] [PATCH v4 0/2] tests/fbdev: Additional tests for resolution and
> panning
> 
> 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.
Did you check the logs in bug: eg 
https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_939/fi-tgl-1115g4/igt@fbdev@pan.html 
Does this include data you ask for? 

> 
> 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
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