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| author | Keiichi Watanabe <keiichiw@chromium.org> | 2020-05-13 19:43:02 +0900 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-06-12 00:53:24 +0000 |
| commit | 4ffb3d06bdadcfcb79ee2b7bf445ac09da34c218 (patch) | |
| tree | bbb4f6a5a01ec8205989b1c81ac8b6dab2c174f2 /src/linux.rs | |
| parent | 97d6359febdabc2f44d5ab404a0cd41e65172163 (diff) | |
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devices: video: dec: Support arbitrary buffers to be mapped as resources
Support a case where a guest client who may use arbitrary numbers of buffers. (e.g. C2V4L2Component with default pool in ARCVM) Such a client is valid as long as it uses at most 32 buffers at the same time. More specifically, this CL allows the guest to call ResourceCreate for an output resource_id which was already processed by the host. Such ResourceCreate calls will be handled as reassignment of DMAbuf to a FrameBufferId. BUG=b:157702336 TEST=Play a YouTube video on ARCVM w/ C2V4L2Component using default pool Change-Id: Ie9c457867abd91b6b7a17a5bca4a1a1e9f53c1ae Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/2198327 Reviewed-by: Alexandre Courbot <acourbot@chromium.org> Tested-by: Keiichi Watanabe <keiichiw@chromium.org> Commit-Queue: Keiichi Watanabe <keiichiw@chromium.org>
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