| commit | e757ee87be92f821bbbc5ccdbc2019ffdc96c7c1 | [log] [tgz] |
|---|---|---|
| author | Roman Stratiienko <r.stratiienko@gmail.com> | Mon Dec 09 04:41:19 2024 +0200 |
| committer | Roman Stratiienko <r.stratiienko@gmail.com> | Wed Dec 11 23:01:21 2024 +0200 |
| tree | 6fc078a6735d90f351cd6306db4620e755df5345 | |
| parent | bf13180ffc69446262af666bb8d3c32869572214 [diff] |
drm_hwcomposer: HWC3: Fix hotplug handling
The second or any subsequent hotplug event with connected status enabled is
a special way to inform the client (SF) that the display has changed its
dimensions. In this case, the client removes all layers and re-creates
them. In this case, we keep the display resources.
This avoids logcat messages during plug/unplug the primary display:
E HwcComposer: destroyLayer failed Status(-8, EX_SERVICE_SPECIFIC): '3: '
E HWC2 : destroyLayer(0, 3) failed: BadLayer (3)
Change-Id: I24b110a0b474cd56de0d51b83b0fb44d79d3fccd
Signed-off-by: Roman Stratiienko <r.stratiienko@gmail.com>
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-19 -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!