diff options
| author | Chris Wilson <[email protected]> | 2018-02-08 07:28:00 +0000 |
|---|---|---|
| committer | Chris Wilson <[email protected]> | 2018-02-08 13:43:14 +0000 |
| commit | bc8f2f5db9d75e7f990fb8362c28a8d2a7f33c9c (patch) | |
| tree | e9756a536bba72c68bffb8b8fb4d51faa8f72802 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | 0d73e7a095f768fad5a002bf6732c675e2aee44b (diff) | |
drm/i915: Be paranoid and post the writes to stop the rings
Although the mmio are uncached and so should be flushed on every write,
be paranoid and do a mmio read after setting the ring head/tail to be
sure they have taken effect before moving on.
v2: post tail to be pleasing to the eye
Signed-off-by: Chris Wilson <[email protected]>
Cc: Mika Kuoppala <[email protected]>
Cc: Joonas Lahtinen <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Reviewed-by: Mika Kuoppala <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions