If supported by the backend, we can quickly look at the context's inflight engine rather than search along the active list to confirm.
Signed-off-by: Chris Wilson <[email protected]> Reviewed-by: Andi Shyti <[email protected]> --- drivers/gpu/drm/i915/gem/i915_gem_context.c | 3 +++ drivers/gpu/drm/i915/gt/intel_context.h | 5 +++++ drivers/gpu/drm/i915/gt/intel_context_types.h | 4 ++++ drivers/gpu/drm/i915/gt/intel_execlists_submission.c | 4 ++++ 4 files changed, 16 insertions(+) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c index c7363036765a..68f58762d5e3 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c @@ -423,6 +423,9 @@ static struct intel_engine_cs *active_engine(struct intel_context *ce) struct intel_engine_cs *engine = NULL; struct i915_request *rq; + if (intel_context_has_inflight(ce)) + return intel_context_inflight(ce); + if (!ce->timeline) return NULL; diff --git a/drivers/gpu/drm/i915/gt/intel_context.h b/drivers/gpu/drm/i915/gt/intel_context.h index 2ce2ec639ba2..d24ab6fa0ee5 100644 --- a/drivers/gpu/drm/i915/gt/intel_context.h +++ b/drivers/gpu/drm/i915/gt/intel_context.h @@ -191,6 +191,11 @@ static inline bool intel_context_is_closed(const struct intel_context *ce) return test_bit(CONTEXT_CLOSED_BIT, &ce->flags); } +static inline bool intel_context_has_inflight(const struct intel_context *ce) +{ + return test_bit(COPS_HAS_INFLIGHT_BIT, &ce->ops->flags); +} + static inline bool intel_context_use_semaphores(const struct intel_context *ce) { return test_bit(CONTEXT_USE_SEMAPHORES, &ce->flags); diff --git a/drivers/gpu/drm/i915/gt/intel_context_types.h b/drivers/gpu/drm/i915/gt/intel_context_types.h index f7a0fb6f3a2e..430aafb78ed3 100644 --- a/drivers/gpu/drm/i915/gt/intel_context_types.h +++ b/drivers/gpu/drm/i915/gt/intel_context_types.h @@ -30,6 +30,10 @@ struct intel_context; struct intel_ring; struct intel_context_ops { + unsigned long flags; +#define COPS_HAS_INFLIGHT_BIT 0 +#define COPS_HAS_INFLIGHT BIT(COPS_HAS_INFLIGHT_BIT) + int (*alloc)(struct intel_context *ce); int (*pre_pin)(struct intel_context *ce, struct i915_gem_ww_ctx *ww, void **vaddr); diff --git a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c index 1fae6c6f3868..f08ba2d1f6d6 100644 --- a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c +++ b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c @@ -2531,6 +2531,8 @@ static int execlists_context_alloc(struct intel_context *ce) } static const struct intel_context_ops execlists_context_ops = { + .flags = COPS_HAS_INFLIGHT, + .alloc = execlists_context_alloc, .pre_pin = execlists_context_pre_pin, @@ -3441,6 +3443,8 @@ static void virtual_context_exit(struct intel_context *ce) } static const struct intel_context_ops virtual_context_ops = { + .flags = COPS_HAS_INFLIGHT, + .alloc = virtual_context_alloc, .pre_pin = virtual_context_pre_pin, -- 2.20.1 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
