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| author | Chun-Kuang Hu <chunkuang.hu@kernel.org> | 2021-10-27 10:18:54 +0800 |
|---|---|---|
| committer | Chun-Kuang Hu <chunkuang.hu@kernel.org> | 2021-11-18 07:28:37 +0800 |
| commit | eaf80126aba6fd1754837eec91e4c8bbd58ae52e (patch) | |
| tree | 9ffd9ffb434cd8c0c9326aeeff5eeee32631d258 /tools/perf/scripts/python/stackcollapse.py | |
| parent | drm/mediatek: Remove the pointer of struct cmdq_client (diff) | |
| download | linux-eaf80126aba6fd1754837eec91e4c8bbd58ae52e.tar.gz linux-eaf80126aba6fd1754837eec91e4c8bbd58ae52e.zip | |
drm/mediatek: Detect CMDQ execution timeout
CMDQ is used to update display register in vblank period, so
it should be execute in next 2 vblank. One vblank interrupt
before send message (occasionally) and one vblank interrupt
after cmdq done. If it fail to execute in next 3 vblank,
tiemout happen.
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Signed-off-by: jason-jh.lin <jason-jh.lin@mediatek.com>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions