Re: [PATCH libdrm v2 00/25] Update Tegra support

[Dmitry Osipenko <digetx@gmail.com>]

17.02.2022 22:16, Thierry Reding пишет:
> From: Thierry Reding <treding@nvidia.com>
> 
> Hi all,
> 
> this is the userspace part of the kernel patches that were recently
> merged into drm-next:
> 
>   https://patchwork.freedesktop.org/series/92378/
> 
> The goal is to provide a userspace implementation of the UAPI exposed by
> the kernel and show its usage in some test programs that can also be
> used for basic sanity testing. More complete userspace implementations
> are available here:
> 
>   * https://github.com/cyndis/vaapi-tegra-driver
>   * https://github.com/grate-driver/xf86-video-opentegra
>   * https://github.com/grate-driver/grate
> 
> Changes in v2:
> - implement vic_clear() as a helper using ->fill() (Michał Mirosław)
> - rebase and fix a couple of Meson errors/warnings
> 
> Thierry
> 
> Thierry Reding (25):
>   tegra: Indent according to .editorconfig
>   tegra: Remove unused IOCTL implementations
>   tegra: Extract common buffer object allocation code
>   tegra: Fix mmap() of GEM buffer objects
>   tegra: Add flink helpers
>   tegra: Add PRIME support helpers
>   tegra: Make API more consistent
>   tegra: Install tegra-openclose test
>   tegra: Update for new UABI
>   tegra: Include private.h in list of source files
>   tegra: Add channel APIs
>   tegra: Add job and push buffer APIs
>   tegra: Add syncpoint APIs
>   tests: tegra: Add helper library for tests
>   tests: tegra: Add gr2d-fill test
>   tests: tegra: Add syncpt-wait test
>   tests: tegra: Add syncpoint timeout test
>   tests: tegra: Add VIC support
>   tests: tegra: Add VIC 3.0 support
>   tests: tegra: Add VIC 4.0 support
>   tests: tegra: Add VIC 4.1 support
>   tests: tegra: Add VIC 4.2 support
>   tests: tegra: Add VIC clear test
>   tests: tegra: Add VIC blit test
>   tests: tegra: Add VIC flip test
> 
>  include/drm/tegra_drm.h      | 429 +++++++++++++++++++++++--
>  tegra/channel.c              | 195 ++++++++++++
>  tegra/job.c                  | 187 +++++++++++
>  tegra/meson.build            |   7 +-
>  tegra/private.h              |  85 ++++-
>  tegra/pushbuf.c              | 184 +++++++++++
>  tegra/syncpt.c               | 101 ++++++
>  tegra/tegra-symbols.txt      |  27 +-
>  tegra/tegra.c                | 386 +++++++++++-----------
>  tegra/tegra.h                |  95 +++++-
>  tests/tegra/.gitignore       |   3 +-
>  tests/tegra/drm-test-tegra.c | 147 +++++++++
>  tests/tegra/drm-test-tegra.h |  55 ++++
>  tests/tegra/drm-test.c       | 248 +++++++++++++++
>  tests/tegra/drm-test.h       |  72 +++++
>  tests/tegra/gr2d-fill.c      | 146 +++++++++
>  tests/tegra/host1x.h         |  34 ++
>  tests/tegra/meson.build      |  88 +++++-
>  tests/tegra/openclose.c      |  52 +--
>  tests/tegra/syncpt-timeout.c | 163 ++++++++++
>  tests/tegra/syncpt-wait.c    | 151 +++++++++
>  tests/tegra/vic-blit.c       | 333 +++++++++++++++++++
>  tests/tegra/vic-clear.c      | 173 ++++++++++
>  tests/tegra/vic-flip.c       | 333 +++++++++++++++++++
>  tests/tegra/vic.c            | 184 +++++++++++
>  tests/tegra/vic.h            | 181 +++++++++++
>  tests/tegra/vic30.c          | 458 +++++++++++++++++++++++++++
>  tests/tegra/vic30.h          | 439 ++++++++++++++++++++++++++
>  tests/tegra/vic40.c          | 370 ++++++++++++++++++++++
>  tests/tegra/vic40.h          | 285 +++++++++++++++++
>  tests/tegra/vic41.c          | 374 ++++++++++++++++++++++
>  tests/tegra/vic41.h          | 372 ++++++++++++++++++++++
>  tests/tegra/vic42.c          | 374 ++++++++++++++++++++++
>  tests/tegra/vic42.h          | 597 +++++++++++++++++++++++++++++++++++
>  34 files changed, 7068 insertions(+), 260 deletions(-)


Why do we need these tests in libdrm? Why not IGT?