diff options
| author | Chris Wilson <[email protected]> | 2017-11-30 18:07:02 +0000 |
|---|---|---|
| committer | Chris Wilson <[email protected]> | 2020-02-11 00:16:15 +0000 |
| commit | cbc1f3cb67b6ec13182117a329b6f03810c03cf6 (patch) | |
| tree | a06004a50196379f78ae19fc9e9ff33f92fb1fbc /tools/perf/scripts/python/bin/stackcollapse-report | |
| parent | 4746fd5c2c132225bdd817ddf04e8454e872f8c2 (diff) | |
drm/i915: Skip CPU synchronisation on dmabuf attachments
dma-bufs are device coherent, with explicit CPU synchronisation provided
via the begin/end cpu access ioctls. As the coherency of the dma-buf is
explicitly defined to be under user control, flushing any caches on
attach/detach of the dma-buf is additional work that doesn't aide the
user in the slightest.
Suggested-by: Lucas Stach <[email protected]>
Signed-off-by: Chris Wilson <[email protected]>
Acked-by: Dongwon Kim <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Diffstat (limited to 'tools/perf/scripts/python/bin/stackcollapse-report')
0 files changed, 0 insertions, 0 deletions