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| author |   Chris Wilson <chris@chris-wilson.co.uk> | 2017-10-19 07:37:33 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2017-10-19 13:56:38 +0100 |
| commit | 8bd8181590501bc0bae2b6bd9f38d1371e9413a3 (patch) | |
| tree | 4afadfddb9cc8a6ad2805ce88ae2d0d947ade389 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | drm/i915/crt: split compute_config hook by platforms (diff) | |
| download | linux-dev-8bd8181590501bc0bae2b6bd9f38d1371e9413a3.tar.xz linux-dev-8bd8181590501bc0bae2b6bd9f38d1371e9413a3.zip | |
drm/i915: Skip waking the device to service pwrite
If the device is in runtime suspend, resuming takes time and reduces our
powersaving. If this was for a small write into an object, that resume
will take longer than any savings in using the indirect GGTT access to
avoid the cpu cache.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20171019063733.31620-1-chris@chris-wilson.co.uk
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions