Quoting Tvrtko Ursulin (2021-02-04 15:28:30) > > On 01/02/2021 08:56, Chris Wilson wrote: > > Whether the scheduler depends on interrupt delivery for forward progress > > is a property of the scheduler backend not of the underlying engine, so > > move the flag from inside the engine to i915_sched_engine. > > > > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > > --- > > drivers/gpu/drm/i915/gt/intel_engine.h | 6 ++++++ > > drivers/gpu/drm/i915/gt/intel_engine_types.h | 13 +++---------- > > drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c | 2 +- > > drivers/gpu/drm/i915/i915_scheduler_types.h | 7 +++++++ > > 4 files changed, 17 insertions(+), 11 deletions(-) > > > > diff --git a/drivers/gpu/drm/i915/gt/intel_engine.h b/drivers/gpu/drm/i915/gt/intel_engine.h > > index ca3a9cb06328..db5419ba1dc8 100644 > > --- a/drivers/gpu/drm/i915/gt/intel_engine.h > > +++ b/drivers/gpu/drm/i915/gt/intel_engine.h > > @@ -285,4 +285,10 @@ intel_engine_has_timeslices(struct intel_engine_cs *engine) > > return i915_sched_has_timeslices(intel_engine_get_scheduler(engine)); > > } > > > > +static inline bool > > +intel_engine_needs_breadcrumb_tasklet(struct intel_engine_cs *engine) > > +{ > > + return i915_sched_needs_breadcrumb_tasklet(intel_engine_get_scheduler(engine)); > > +} > > + > > #endif /* _INTEL_RINGBUFFER_H_ */ > > diff --git a/drivers/gpu/drm/i915/gt/intel_engine_types.h b/drivers/gpu/drm/i915/gt/intel_engine_types.h > > index 96a0aec29672..f856bd9b7dae 100644 > > --- a/drivers/gpu/drm/i915/gt/intel_engine_types.h > > +++ b/drivers/gpu/drm/i915/gt/intel_engine_types.h > > @@ -442,10 +442,9 @@ struct intel_engine_cs { > > #define I915_ENGINE_SUPPORTS_STATS BIT(1) > > #define I915_ENGINE_HAS_PREEMPTION BIT(2) > > #define I915_ENGINE_HAS_SEMAPHORES BIT(3) > > -#define I915_ENGINE_NEEDS_BREADCRUMB_TASKLET BIT(4) > > -#define I915_ENGINE_IS_VIRTUAL BIT(5) > > -#define I915_ENGINE_HAS_RELATIVE_MMIO BIT(6) > > -#define I915_ENGINE_REQUIRES_CMD_PARSER BIT(7) > > +#define I915_ENGINE_IS_VIRTUAL BIT(4) > > +#define I915_ENGINE_HAS_RELATIVE_MMIO BIT(5) > > +#define I915_ENGINE_REQUIRES_CMD_PARSER BIT(6) > > unsigned int flags; > > > > /* > > @@ -540,12 +539,6 @@ intel_engine_has_semaphores(const struct intel_engine_cs *engine) > > return engine->flags & I915_ENGINE_HAS_SEMAPHORES; > > } > > > > -static inline bool > > -intel_engine_needs_breadcrumb_tasklet(const struct intel_engine_cs *engine) > > -{ > > - return engine->flags & I915_ENGINE_NEEDS_BREADCRUMB_TASKLET; > > -} > > - > > static inline bool > > intel_engine_is_virtual(const struct intel_engine_cs *engine) > > { > > diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c > > index 887f38fb671f..e8c66d868c59 100644 > > --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c > > +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c > > @@ -606,7 +606,6 @@ static void guc_default_vfuncs(struct intel_engine_cs *engine) > > } > > engine->set_default_submission = guc_set_default_submission; > > > > - engine->flags |= I915_ENGINE_NEEDS_BREADCRUMB_TASKLET; > > engine->flags |= I915_ENGINE_HAS_PREEMPTION; > > > > /* > > @@ -656,6 +655,7 @@ int intel_guc_submission_setup(struct intel_engine_cs *engine) > > > > tasklet_setup(&engine->sched.tasklet, guc_submission_tasklet); > > __set_bit(I915_SCHED_ACTIVE_BIT, &engine->sched.flags); > > + __set_bit(I915_SCHED_NEEDS_BREADCRUMB_BIT, &engine->sched.flags); > > Bah here my idea from earlier falls apart a bit. Don't know. On the positive side, we've eliminated this patch by moving the irq_handler to the engine! -Chris _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx