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drm/i915/guc: Extract clients allocation to submission_init

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We can now move the clients allocation to submission_init path, rather
than keeping the condition inside submission_enable called on every
reset.

Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Michel Thierry <michel.thierry@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20171213221352.7173-6-michal.winiarski@intel.com
This commit is contained in:
Michał Winiarski 2017-12-13 23:13:51 +01:00 committed by Chris Wilson
parent 9192d4fb81
commit 8ec52ec8dc
1 changed files with 11 additions and 22 deletions
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33
drivers/gpu/drm/i915/intel_guc_submission.c
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@ -1149,6 +1149,10 @@ int intel_guc_submission_init(struct intel_guc *guc)
goto err_log;
GEM_BUG_ON(!guc->ads_vma);
ret = guc_clients_create(guc);
if (ret)
return ret;
for_each_engine(engine, dev_priv, id) {
guc->preempt_work[id].engine = engine;
INIT_WORK(&guc->preempt_work[id].work, inject_preempt_context);
@ -1172,6 +1176,7 @@ void intel_guc_submission_fini(struct intel_guc *guc)
for_each_engine(engine, dev_priv, id)
cancel_work_sync(&guc->preempt_work[id].work);
guc_clients_destroy(guc);
guc_ads_destroy(guc);
intel_guc_log_destroy(guc);
guc_stage_desc_pool_destroy(guc);
@ -1277,28 +1282,18 @@ int intel_guc_submission_enable(struct intel_guc *guc)
sizeof(struct guc_wq_item) *
I915_NUM_ENGINES > GUC_WQ_SIZE);
/*
* We're being called on both module initialization and on reset,
* until this flow is changed, we're using regular client presence to
* determine which case are we in, and whether we should allocate new
* clients or just reset their workqueues.
*/
if (!guc->execbuf_client) {
err = guc_clients_create(guc);
if (err)
return err;
} else {
guc_reset_wq(guc->execbuf_client);
guc_reset_wq(guc->preempt_client);
}
GEM_BUG_ON(!guc->execbuf_client);
guc_reset_wq(guc->execbuf_client);
guc_reset_wq(guc->preempt_client);
err = intel_guc_sample_forcewake(guc);
if (err)
goto err_free_clients;
return err;
err = guc_clients_doorbell_init(guc);
if (err)
goto err_free_clients;
return err;
/* Take over from manual control of ELSP (execlists) */
guc_interrupts_capture(dev_priv);
@ -1315,10 +1310,6 @@ int intel_guc_submission_enable(struct intel_guc *guc)
}
return 0;
err_free_clients:
guc_clients_destroy(guc);
return err;
}
void intel_guc_submission_disable(struct intel_guc *guc)
@ -1332,8 +1323,6 @@ void intel_guc_submission_disable(struct intel_guc *guc)
/* Revert back to manual ELSP submission */
intel_engines_reset_default_submission(dev_priv);
guc_clients_destroy(guc);
}
#if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)