Bug 312266
| Summary: | [GBM] REGRESSION(310393@main): Always use DRM_RDWR when exporting dma-buf FDs for GPU buffer mapping | ||
|---|---|---|---|
| Product: | WebKit | Reporter: | Nikolas Zimmermann <zimmermann> |
| Component: | WPE WebKit | Assignee: | Nikolas Zimmermann <zimmermann> |
| Status: | RESOLVED FIXED | ||
| Severity: | Normal | CC: | bugs-noreply |
| Priority: | P2 | ||
| Version: | WebKit Local Build | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| See Also: | https://bugs.webkit.org/show_bug.cgi?id=312587 | ||
Nikolas Zimmermann
gbm_bo_get_fd_for_plane() in older Mesa versions does not always pass DRM_RDWR to drmPrimeHandleToFD, which results in FDs that cannot be mmap'd for writing. This silently breaks GPU buffer write operations.
| Attachments | ||
|---|---|---|
| Add attachment proposed patch, testcase, etc. |
Nikolas Zimmermann
Pull request: https://github.com/WebKit/WebKit/pull/62730
EWS
Committed 311266@main (31dab2d9da5a): <https://commits.webkit.org/311266@main>
Reviewed commits have been landed. Closing PR #62730 and removing active labels.