Claim the submit_request vfunc as the entry point into the scheduler
backend for ready requests.
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
---
drivers/gpu/drm/i915/gt/intel_engine_types.h | 8 --------
drivers/gpu/drm/i915/gt/intel_execlists_submission.c | 11 ++++++-----
drivers/gpu/drm/i915/gt/intel_reset.c | 2 +-
drivers/gpu/drm/i915/gt/intel_ring_submission.c | 4 ++--
drivers/gpu/drm/i915/gt/mock_engine.c | 4 +++-
drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c | 2 +-
drivers/gpu/drm/i915/i915_request.c | 2 +-
drivers/gpu/drm/i915/i915_scheduler.c | 2 ++
drivers/gpu/drm/i915/i915_scheduler_types.h | 9 +++++++++
drivers/gpu/drm/i915/selftests/i915_request.c | 3 +--
10 files changed, 26 insertions(+), 21 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_types.h
b/drivers/gpu/drm/i915/gt/intel_engine_types.h
index d5f917462f0e..7efa6290cc3e 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_engine_types.h
@@ -417,14 +417,6 @@ struct intel_engine_cs {
u32 *cs);
unsigned int emit_fini_breadcrumb_dw;
- /* Pass the request to the hardware queue (e.g. directly into
- * the legacy ringbuffer or to the end of an execlist).
- *
- * This is called from an atomic context with irqs disabled; must
- * be irq safe.
- */
- void (*submit_request)(struct i915_request *rq);
-
/*
* Called on signaling of a SUBMIT_FENCE, passing along the signaling
* request down to the bonded pairs.
diff --git a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
index f8dca5f2f9b2..02aa3eba4ebb 100644
--- a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
+++ b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
@@ -484,7 +484,7 @@ resubmit_virtual_request(struct i915_request *rq, struct
virtual_engine *ve)
clear_bit(I915_FENCE_FLAG_PQUEUE, &rq->fence.flags);
WRITE_ONCE(rq->engine, &ve->base);
- ve->base.submit_request(rq);
+ ve->base.sched.submit_request(rq);
spin_unlock_irq(&se->lock);
}
@@ -2763,7 +2763,7 @@ static bool can_preempt(struct intel_engine_cs *engine)
static void execlists_set_default_submission(struct intel_engine_cs *engine)
{
- engine->submit_request = i915_request_enqueue;
+ engine->sched.submit_request = i915_request_enqueue;
engine->sched.tasklet.callback = execlists_submission_tasklet;
}
@@ -3231,7 +3231,7 @@ static void virtual_submit_request(struct i915_request
*rq)
rq->fence.context,
rq->fence.seqno);
- GEM_BUG_ON(ve->base.submit_request != virtual_submit_request);
+ GEM_BUG_ON(ve->base.sched.submit_request != virtual_submit_request);
spin_lock_irqsave(&se->lock, flags);
@@ -3345,12 +3345,10 @@ intel_execlists_create_virtual(struct intel_engine_cs
**siblings,
ve->base.cops = &virtual_context_ops;
ve->base.request_alloc = execlists_request_alloc;
- ve->base.submit_request = virtual_submit_request;
ve->base.bond_execute = virtual_bond_execute;
INIT_LIST_HEAD(virtual_queue(ve));
ve->base.execlists.queue_priority_hint = INT_MIN;
- tasklet_setup(&ve->base.sched.tasklet, virtual_submission_tasklet);
intel_context_init(&ve->context, &ve->base);
@@ -3431,6 +3429,9 @@ intel_execlists_create_virtual(struct intel_engine_cs
**siblings,
ve->base.mask,
ENGINE_VIRTUAL);
+ ve->base.sched.submit_request = virtual_submit_request;
+ tasklet_setup(&ve->base.sched.tasklet, virtual_submission_tasklet);
+
virtual_engine_initial_hint(ve);
return &ve->context;
diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c
b/drivers/gpu/drm/i915/gt/intel_reset.c
index bf5b9f303a68..990cb4adbb9a 100644
--- a/drivers/gpu/drm/i915/gt/intel_reset.c
+++ b/drivers/gpu/drm/i915/gt/intel_reset.c
@@ -820,7 +820,7 @@ static void __intel_gt_set_wedged(struct intel_gt *gt)
__intel_gt_reset(gt, ALL_ENGINES);
for_each_engine(engine, gt, id)
- engine->submit_request = nop_submit_request;
+ engine->sched.submit_request = nop_submit_request;
/*
* Make sure no request can slip through without getting completed by
diff --git a/drivers/gpu/drm/i915/gt/intel_ring_submission.c
b/drivers/gpu/drm/i915/gt/intel_ring_submission.c
index 4a7d3420cc9d..cf3bbcbe7520 100644
--- a/drivers/gpu/drm/i915/gt/intel_ring_submission.c
+++ b/drivers/gpu/drm/i915/gt/intel_ring_submission.c
@@ -966,12 +966,12 @@ static void gen6_bsd_submit_request(struct i915_request
*request)
static void i9xx_set_default_submission(struct intel_engine_cs *engine)
{
- engine->submit_request = i9xx_submit_request;
+ engine->sched.submit_request = i9xx_submit_request;
}
static void gen6_bsd_set_default_submission(struct intel_engine_cs *engine)
{
- engine->submit_request = gen6_bsd_submit_request;
+ engine->sched.submit_request = gen6_bsd_submit_request;
}
static void ring_release(struct intel_engine_cs *engine)
diff --git a/drivers/gpu/drm/i915/gt/mock_engine.c
b/drivers/gpu/drm/i915/gt/mock_engine.c
index 2081deed94b7..5662f7c2f719 100644
--- a/drivers/gpu/drm/i915/gt/mock_engine.c
+++ b/drivers/gpu/drm/i915/gt/mock_engine.c
@@ -301,7 +301,8 @@ struct intel_engine_cs *mock_engine(struct drm_i915_private
*i915,
engine->base.request_alloc = mock_request_alloc;
engine->base.emit_flush = mock_emit_flush;
engine->base.emit_fini_breadcrumb = mock_emit_breadcrumb;
- engine->base.submit_request = mock_submit_request;
+
+ engine->base.sched.submit_request = mock_submit_request;
engine->base.reset.prepare = mock_reset_prepare;
engine->base.reset.rewind = mock_reset_rewind;
@@ -332,6 +333,7 @@ int mock_engine_init(struct intel_engine_cs *engine)
engine->name,
engine->mask,
ENGINE_MOCK);
+ engine->sched.submit_request = mock_submit_request;
intel_engine_init_execlists(engine);
intel_engine_init__pm(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 cf99715e194d..c66c867ada23 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
@@ -558,7 +558,7 @@ static int guc_resume(struct intel_engine_cs *engine)
static void guc_set_default_submission(struct intel_engine_cs *engine)
{
- engine->submit_request = i915_request_enqueue;
+ engine->sched.submit_request = i915_request_enqueue;
}
static void guc_release(struct intel_engine_cs *engine)
diff --git a/drivers/gpu/drm/i915/i915_request.c
b/drivers/gpu/drm/i915/i915_request.c
index 1b52dcaa023d..c03d3cedf497 100644
--- a/drivers/gpu/drm/i915/i915_request.c
+++ b/drivers/gpu/drm/i915/i915_request.c
@@ -700,7 +700,7 @@ submit_notify(struct i915_sw_fence *fence, enum
i915_sw_fence_notify state)
* proceeding.
*/
rcu_read_lock();
- request->engine->submit_request(request);
+ i915_request_get_scheduler(request)->submit_request(request);
rcu_read_unlock();
break;
diff --git a/drivers/gpu/drm/i915/i915_scheduler.c
b/drivers/gpu/drm/i915/i915_scheduler.c
index ba308e937109..e8db7e614ff5 100644
--- a/drivers/gpu/drm/i915/i915_scheduler.c
+++ b/drivers/gpu/drm/i915/i915_scheduler.c
@@ -132,6 +132,8 @@ void i915_sched_init(struct i915_sched *se,
se->queue = RB_ROOT_CACHED;
init_ipi(&se->ipi);
+
+ se->submit_request = i915_request_enqueue;
}
void i915_sched_park(struct i915_sched *se)
diff --git a/drivers/gpu/drm/i915/i915_scheduler_types.h
b/drivers/gpu/drm/i915/i915_scheduler_types.h
index 3e2e47298bc6..2d746af501d6 100644
--- a/drivers/gpu/drm/i915/i915_scheduler_types.h
+++ b/drivers/gpu/drm/i915/i915_scheduler_types.h
@@ -28,6 +28,15 @@ struct i915_sched {
unsigned long mask; /* available scheduling channels */
+ /*
+ * Pass the request to the submission backend (e.g. directly into
+ * the legacy ringbuffer, or to the end of an execlist, or to the GuC).
+ *
+ * This is called from an atomic context with irqs disabled; must
+ * be irq safe.
+ */
+ void (*submit_request)(struct i915_request *rq);
+
struct list_head requests; /* active request, on HW */
struct list_head hold; /* ready requests, but on hold */
diff --git a/drivers/gpu/drm/i915/selftests/i915_request.c
b/drivers/gpu/drm/i915/selftests/i915_request.c
index 39c619bccb74..8035ea7565ed 100644
--- a/drivers/gpu/drm/i915/selftests/i915_request.c
+++ b/drivers/gpu/drm/i915/selftests/i915_request.c
@@ -242,10 +242,9 @@ static int igt_request_rewind(void *arg)
i915_request_get(vip);
i915_request_add(vip);
rcu_read_lock();
- request->engine->submit_request(request);
+ i915_request_get_scheduler(request)->submit_request(request);
rcu_read_unlock();
-
if (i915_request_wait(vip, 0, HZ) == -ETIME) {
pr_err("timed out waiting for high priority request\n");
goto err;
--
2.20.1
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