diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2021-09-30 22:09:43 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2021-10-04 22:01:42 +0300 |
| commit | 7d396cacaea63bafe68d3a84971845c043b7c579 (patch) | |
| tree | 5d58c8e9317354c398371fbb63043d1aa5690873 /tools/perf/scripts/python/syscall-counts.py | |
| parent | d08df3b0bdb25546e86dc9a6c4e3ec0c43832299 (diff) | |
drm/i195: Make the async flip VT-d workaround dynamic
Since the VT-d vs. async flip issues are plaguing a wider range
of supported hw let's try to minimize the impact on normal
operation by flipping the relevant chicken bits on and off
as needed. I presume there is some power/perf impact on since
this is reducing some prefetching I think.
Cc: Karthik B S <karthik.b.s@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210930190943.17547-2-ville.syrjala@linux.intel.com
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
0 files changed, 0 insertions, 0 deletions