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drm/i915: Rely on direct submission to the queue

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Drop the pretense of kicking the tasklet (used only for the defunct guc
submission backend, it should just take ownership of the submit!) and so
remove the bh-kicking from around submission.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200323092841.22240-5-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson
2020-03-23 09:28:38 +00:00
parent 93159e1235
commit 41e4065a6b
3 changed files with 1 additions and 8 deletions
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2
drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
View File

@@ -2386,9 +2386,7 @@ static void eb_request_add(struct i915_execbuffer *eb)
__i915_request_skip(rq);
}
local_bh_disable();
__i915_request_queue(rq, &attr);
local_bh_enable(); /* Kick the execlists tasklet if just scheduled */
/* Try to clean up the client's timeline after submitting the request */
if (prev)

5
drivers/gpu/drm/i915/gt/intel_lrc.c
View File

@@ -2891,10 +2891,7 @@ static void __submit_queue_imm(struct intel_engine_cs *engine)
if (reset_in_progress(execlists))
return; /* defer until we restart the engine following reset */
if (execlists->tasklet.func == execlists_submission_tasklet)
__execlists_submission_tasklet(engine);
else
tasklet_hi_schedule(&execlists->tasklet);
__execlists_submission_tasklet(engine);
}
static void submit_queue(struct intel_engine_cs *engine,

2
drivers/gpu/drm/i915/i915_request.c
View File

@@ -1444,9 +1444,7 @@ void i915_request_add(struct i915_request *rq)
if (list_empty(&rq->sched.signalers_list))
attr.priority |= I915_PRIORITY_WAIT;
local_bh_disable();
__i915_request_queue(rq, &attr);
local_bh_enable(); /* Kick the execlists tasklet if just scheduled */
mutex_unlock(&tl->mutex);
}