| commit | 25ed38b3ed26918b70c1392de7481809b5f5ba2d | [log] [tgz] |
|---|---|---|
| author | Rob Clark <robdclark@chromium.org> | Fri Apr 02 14:12:26 2021 -0700 |
| committer | Rob Clark <robdclark@chromium.org> | Wed Apr 07 11:05:43 2021 -0700 |
| tree | ec9545e5b148a3712dae1fb628e31cd1e6ac359a | |
| parent | 528107c8e664a933b397a825f6e76c6d7dfa383b [diff] |
drm/msm: Drop mm_lock in scan loop lock_stat + mmm_donut[1] say that this reduces contention on mm_lock significantly (~350x lower waittime-max, and ~100x lower waittime-avg) [1] https://chromium.googlesource.com/chromiumos/platform/microbenchmarks/+/refs/heads/main/mmm_donut.py Signed-off-by: Rob Clark <robdclark@chromium.org> Reviewed-by: Douglas Anderson <dianders@chromium.org> Link: https://lore.kernel.org/r/20210402211226.875726-1-robdclark@gmail.com Signed-off-by: Rob Clark <robdclark@chromium.org>