diff options
| author |   Ville Syrjälä <ville.syrjala@linux.intel.com> | 2014-08-06 14:49:46 +0300 |
|---|---|---|
| committer |   Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-08-06 22:39:23 +0200 |
| commit | 844b03f27739135fe1fed2fef06da0ffc4c7a081 (patch) | |
| tree | 96cbbf354213b0320a9c8731a9df0cd682d3ad16 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | drm/i915: Warn if drm_vblank_get() still works after drm_vblank_off() (diff) | |
| download | linux-dev-844b03f27739135fe1fed2fef06da0ffc4c7a081.tar.xz linux-dev-844b03f27739135fe1fed2fef06da0ffc4c7a081.zip | |
drm: Don't clear vblank timestamps when vblank interrupt is disabled
Clearing the timestamps causes us to send zeroed timestamps to userspace
if they get sent out in response to the drm_vblank_off(). It's better
to send the very latest timestamp and count instead.
Testcase: igt/kms_flip/modeset-vs-vblank-race
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions