diff options
| author | Ping Gao <ping.a.gao@intel.com> | 2017-03-30 00:36:34 +0800 |
|---|---|---|
| committer | Zhenyu Wang <zhenyuw@linux.intel.com> | 2017-03-30 13:32:24 +0800 |
| commit | 91d0101ad30bd1bd7f7f805f4fa314c6b70bb602 (patch) | |
| tree | 1309d69ef2f1262f7d9c55eafe2db960a424e446 /drivers/gpu/drm/i915/gvt/gvt.c | |
| parent | 865f03d42ed0c90c9faf3301775176834ba13eba (diff) | |
| download | linux-91d0101ad30bd1bd7f7f805f4fa314c6b70bb602.tar.bz2 | |
drm/i915/gvt: use hrtimer replace delayed_work in scheduler
Currently the scheduler is triggered by delayed_work, which doesn't
provide precision at microsecond level. Move to hrtimer instead for
more accurate control.
Signed-off-by: Ping Gao <ping.a.gao@intel.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/gvt.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/gvt.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gvt/gvt.c b/drivers/gpu/drm/i915/gvt/gvt.c index b84b7ca3f66f..894735c77f63 100644 --- a/drivers/gpu/drm/i915/gvt/gvt.c +++ b/drivers/gpu/drm/i915/gvt/gvt.c @@ -144,6 +144,11 @@ static int gvt_service_thread(void *data) intel_gvt_emulate_vblank(gvt); mutex_unlock(&gvt->lock); } + + if (test_and_clear_bit(INTEL_GVT_REQUEST_SCHED, + (void *)&gvt->service_request)) { + intel_gvt_schedule(gvt); + } } return 0; |