drm_hwcomposer: Merge remote-tracking branch 'aosp/upstream-main' into HEAD

Includes a number of updates that address CTS failures as well as fixes
incorrect alpha issues on hardware planes.

By Roman Stratiienko
* aosp/upstream-main:
  drm_hwcomposer: Assume premultiplied alpha for CLIENT layer
  drm_hwcomposer: Fix all cases which triggers an error on -Wsign-compare
  drm_hwcomposer: Use gralloc0::perform API by minigbm bufferinfo getter
  drm_hwcomposer: Validate gralloc0 name for minigbm and libdrm getters
  drm_hwcomposer: Rework display modes handling
  drm_hwcomposer: Don't use Mapper@4 metadata API for legacy getters
  drm_hwcomposer: Make uevent listener standalone
  drm_hwcomposer: Route release fence directly
  drm_hwcomposer: Make single atomic function for all atomic commit ops.
  drm_hwcomposer: Move CreateModeBlob to DrmMode class
  drm_hwcomposer: Remove DrmDisplayCompositor::GetActiveModeResolution()
  drm_hwcomposer: Rework display Mode Setting and DPMS handling

Many thanks to Roman for all the great work here!

Signed-off-by: John Stultz <john.stultz@linaro.org>
Change-Id: I0aacd8e3ea7b493133f8e99340e12c43bdf505ae
tree: d1cd72ebefd86571daeffd04591a8db7db9a27da
  1. .ci/
  2. backend/
  3. bufferinfo/
  4. compositor/
  5. drm/
  6. include/
  7. tests/
  8. utils/
  9. .clang-format
  10. .clang-tidy
  11. .gitlab-ci.yml
  12. Android.bp
  13. DrmHwcTwo.cpp
  14. DrmHwcTwo.h
  15. METADATA
  16. MODULE_LICENSE_APACHE2
  17. NOTICE
  18. OWNERS
  19. presubmit.sh
  20. README.md
README.md

drm_hwcomposer

Patches to drm_hwcomposer are very much welcome, we really want this to be the universal HW composer implementation for Android and similar platforms. So please bring on porting patches, bugfixes, improvements for documentation and new features.

A short list of contribution guidelines:

  • Submit changes via gitlab merge requests on gitlab.freedesktop.org.

  • drm_hwcomposer is Apache 2.0 Licensed and we require contributions to follow the developer's certificate of origin: http://developercertificate.org/.

  • When submitting new code please follow the naming conventions documented in the generated documentation. Also please make full use of all the helpers and convenience macros provided by drm_hwcomposer. The below command can help you with formatting of your patches:

    git diff | clang-format-diff-12 -p 1 -style=file
    
  • Hardware specific changes should be tested on relevant platforms before committing.

If you need inspiration, please checkout our TODO issues.

Happy hacking!