Re: [PATCH v7 i-g-t 0/4] Add support for testing writeback connectors

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On Mon, Oct 21, 2019 at 09:54:48PM -0300, Rodrigo Siqueira wrote:
> Hi,

Hi Rodrigo,

The whole series looks good to me, you can add my Reviewed-by tag if you want.

Do you plan to push the patches into igt?

Best regards,
Liviu

> 
> A couple of months ago, I updated and re-submitted a patchset made by
> Brian Starkey and Liviu Dudau for adding a writeback connectors test to
> IGT. It is important to highlight that DRM already have writeback
> connectors support, which is a way to expose in DRM the hardware
> functionality from display engines that allows writing back into memory
> the result of the DE's composition of supported planes.
> 
> After I resubmitted the patchset, Simon Ser provides a long and detailed
> review for all of the patches (thanks Simon). As a result, I finally had
> time to go through all the details and prepare this new version. Follows
> some notes:
> 
> 1. Patchset author
> 
> Brian Starkey is the original author of this patchset, and I'm just
> trying to upstream his changes. Note that during this patch submission,
> the mail server from google going to overwrite Brian's mail by mine;
> this happens on the mail server side for avoiding malicious users to
> send emails as someone else. Note that I could spend time figuring out
> how to fix it, but I think this is not worth since I can fix it during
> the merge process (if it got accepted).
> 
> 2. Drop the clone commits from the series
> 
> After Simon's review, we decided to drop the last two patches of the
> original series since it was related to cloning output, and VKMS does
> not support it yet. However, after we finish with this series, I can try
> to take a look at this feature or maybe propose it as a GSoC/Outreachy
> project.
> 
> 3. Changes
> 
> Most of the changes happened in the second patch.
> 
> Thanks
> 
> Brian Starkey (4):
>   lib/igt_kms: Add writeback support
>   kms_writeback: Add initial writeback tests
>   lib: Add function to hash a framebuffer
>   kms_writeback: Add writeback-check-output
> 
>  lib/igt_fb.c           |  68 +++++++
>  lib/igt_fb.h           |   2 +
>  lib/igt_kms.c          |  59 ++++++
>  lib/igt_kms.h          |   6 +
>  tests/Makefile.sources |   1 +
>  tests/kms_writeback.c  | 413 +++++++++++++++++++++++++++++++++++++++++
>  tests/meson.build      |   1 +
>  7 files changed, 550 insertions(+)
>  create mode 100644 tests/kms_writeback.c
> 
> -- 
> 2.23.0



-- 
====================
| I would like to |
| fix the world,  |
| but they're not |
| giving me the   |
 \ source code!  /
  ---------------
    ¯\_(ツ)_/¯
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