@@ -602,7 +602,6 @@ 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))
@@ -611,7 +610,7 @@ 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;
@@ -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;
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 <chris@chris-wilson.co.uk> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com> Signed-off-by: Michał Winiarski <michal.winiarski@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> --- drivers/gpu/drm/i915/i915_guc_submission.c | 3 +-- drivers/gpu/drm/i915/intel_uc.h | 4 ---- 2 files changed, 1 insertion(+), 6 deletions(-)