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| author |   Chris Wilson <chris@chris-wilson.co.uk> | 2020-03-23 09:28:38 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2020-03-23 11:51:39 +0000 |
| commit | 41e4065a6b0bb4d785161eff16874f31ec9633ef (patch) | |
| tree | bc2b0691858413ad3468f2f1db945217de67148c | |
| parent | drm/i915/gem: Avoid gem_context->mutex for simple vma lookup (diff) | |
| download | wireguard-linux-41e4065a6b0bb4d785161eff16874f31ec9633ef.tar.xz wireguard-linux-41e4065a6b0bb4d785161eff16874f31ec9633ef.zip | |
drm/i915: Rely on direct submission to the queue
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
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_lrc.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_request.c | 2 |
3 files changed, 1 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c index 5c6bcf2b4488..6b3013d20851 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c @@ -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) diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c index f09dd87324b9..210f60e14ef4 100644 --- a/drivers/gpu/drm/i915/gt/intel_lrc.c +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c @@ -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, diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c index c0df71d7d0ff..3388c5b610c5 100644 --- a/drivers/gpu/drm/i915/i915_request.c +++ b/drivers/gpu/drm/i915/i915_request.c @@ -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); } |