Re: [igt-dev] [PATCH i-g-t v2 0/4] kms_plane: Add clipping subtests

[Daniel Vetter <daniel@ffwll.ch>]

On Tue, Mar 06, 2018 at 06:52:11PM +0200, Imre Deak wrote:
> This is v2 of [1], fixing the issues reported by Arek and CI. Besides
> the changes described in patch 4, there is also an FBC workaround
> applied now in kernel. Without the WA the test cases using the primary
> plane (with FBC) could trigger FIFO underflow errors.
> 
> Note that the subtest takes ~40 seconds to run on a single pipe.

Do we need to spend that much time testing clipping? What's the overlap
with all the various other plane clipping tests we have already, which
focus exclusively on the cursor?

Note: Not blocking this, just want to make sure we have some overall plan
here maybe and aren't digging ourselves some comfy graves :-)

Cheers, Daniel

> 
> [1]
> https://lists.freedesktop.org/archives/igt-dev/2018-February/000523.html
> 
> Cc: Mika Kahola <mika.kahola@intel.com>
> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
> Cc: Juha-Pekka Heikkil?? <juha-pekka.heikkila@intel.com>
> Cc: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
> 
> Imre Deak (4):
>   kms_plane: Remove redundant modeset after CRC capture
>   lib: Export helpers to get rotation/tiling strings
>   kms_plane: Split helpers creating reference FB and capturing CRC
>   kms_plane: Add clipping subtests
> 
>  lib/igt_fb.c      |  23 +++
>  lib/igt_fb.h      |   1 +
>  lib/igt_kms.c     |  11 +-
>  lib/igt_kms.h     |   1 +
>  tests/kms_plane.c | 502 +++++++++++++++++++++++++++++++++++++++++++++++++++---
>  5 files changed, 517 insertions(+), 21 deletions(-)
> 
> -- 
> 2.13.2
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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