From: Michał Winiarski Date: Thu, 14 Sep 2017 08:32:12 +0000 (+0200) Subject: drm/i915/guc: Remove obsolete comments and remove unused variable X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=45ec5bc8774b1a03213de072f240bad01c7ff09d;p=linux.git drm/i915/guc: Remove obsolete comments and remove unused variable Originally removed in: c1adab970348 ("drm/i915/guc: Remove failed doorbell stat from debugfs") f1448a62a103 ("drm/i915/guc: Remove last submission result from debugfs") Were accidentally restored in: 925344ccc91d ("BackMerge tag 'v4.12-rc5' into drm-next") We can also remove unused variable and replace it with a WARN. Cc: Chris Wilson Cc: Michal Wajdeczko Signed-off-by: Michał Winiarski Reviewed-by: Chris Wilson Link: https://patchwork.freedesktop.org/patch/msgid/20170914083216.10192-1-michal.winiarski@intel.com Signed-off-by: Chris Wilson --- diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c b/drivers/gpu/drm/i915/i915_guc_submission.c index b28677e5a4f2b..c180ff1423fdc 100644 --- a/drivers/gpu/drm/i915/i915_guc_submission.c +++ b/drivers/gpu/drm/i915/i915_guc_submission.c @@ -601,7 +601,6 @@ static void __i915_guc_submit(struct drm_i915_gem_request *rq) struct intel_guc *guc = &rq->i915->guc; struct i915_guc_client *client = guc->execbuf_client; unsigned long flags; - int b_ret; /* WA to flush out the pending GMADR writes to ring buffer. */ if (i915_vma_is_map_and_fenceable(rq->ring->vma)) @@ -610,7 +609,7 @@ static void __i915_guc_submit(struct drm_i915_gem_request *rq) spin_lock_irqsave(&client->wq_lock, flags); guc_wq_item_append(client, rq); - b_ret = guc_ring_doorbell(client); + WARN_ON(guc_ring_doorbell(client)); client->submissions[engine_id] += 1; diff --git a/drivers/gpu/drm/i915/intel_uc.h b/drivers/gpu/drm/i915/intel_uc.h index 22ae52b17b0fa..69daf4c01cd0e 100644 --- a/drivers/gpu/drm/i915/intel_uc.h +++ b/drivers/gpu/drm/i915/intel_uc.h @@ -59,10 +59,6 @@ struct drm_i915_gem_request; * available in the work queue (note, the queue is shared, * not per-engine). It is OK for this to be nonzero, but * it should not be huge! - * b_fail: failed to ring the doorbell. This should never happen, unless - * somehow the hardware misbehaves, or maybe if the GuC firmware - * crashes? We probably need to reset the GPU to recover. - * retcode: errno from last guc_submit() */ struct i915_guc_client { struct i915_vma *vma;