Chris Wilson <[email protected]> writes: > [ text/plain ] > Having fixed the tracking of the engine's last_submitted_seqno, we can > now rely on it for detecting when the engine is idle (and not have to > touch the requests pointer). > > Testcase: igt/gem_exec_whisper > Signed-off-by: Chris Wilson <[email protected]> > Cc: Mika Kuoppala <[email protected]> > Cc: Joonas Lahtinen <[email protected]>
Reviewed-by: Mika Kuoppala <[email protected]> > --- > drivers/gpu/drm/i915/i915_irq.c | 5 ++--- > 1 file changed, 2 insertions(+), 3 deletions(-) > > diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c > index a5eb77d1f8cb..5007cde8d4c3 100644 > --- a/drivers/gpu/drm/i915/i915_irq.c > +++ b/drivers/gpu/drm/i915/i915_irq.c > @@ -2805,9 +2805,8 @@ static void gen8_disable_vblank(struct drm_device *dev, > unsigned int pipe) > static bool > ring_idle(struct intel_engine_cs *engine, u32 seqno) > { > - return (list_empty(&engine->request_list) || > - i915_seqno_passed(seqno, > - READ_ONCE(engine->last_submitted_seqno))); > + return i915_seqno_passed(seqno, > + READ_ONCE(engine->last_submitted_seqno)); > } > > static bool > -- > 2.8.0.rc3 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
