On 28/02/2017 11:28, Chris Wilson wrote:
A couple of operations, the flushes and the tracepoint, do not require serialisation by client->wq_lock, so move them before we take it. Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx> --- drivers/gpu/drm/i915/i915_guc_submission.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c b/drivers/gpu/drm/i915/i915_guc_submission.c index d6a6cf2540a1..7b535a32fc27 100644 --- a/drivers/gpu/drm/i915/i915_guc_submission.c +++ b/drivers/gpu/drm/i915/i915_guc_submission.c @@ -517,18 +517,18 @@ static void __i915_guc_submit(struct drm_i915_gem_request *rq) struct i915_guc_client *client = guc->execbuf_client; int b_ret; - /* We are always called with irqs disabled */ - GEM_BUG_ON(!irqs_disabled()); - - spin_lock(&client->wq_lock); - guc_wq_item_append(client, rq); - /* WA to flush out the pending GMADR writes to ring buffer. */ if (i915_vma_is_map_and_fenceable(rq->ring->vma)) POSTING_READ_FW(GUC_STATUS); trace_i915_gem_request_in(rq, 0); + /* We are always called with irqs disabled */ + GEM_BUG_ON(!irqs_disabled()); + + spin_lock(&client->wq_lock); + + guc_wq_item_append(client, rq); b_ret = guc_ring_doorbell(client); client->submissions[engine_id] += 1; @@ -538,6 +538,7 @@ static void __i915_guc_submit(struct drm_i915_gem_request *rq) guc->submissions[engine_id] += 1; guc->last_seqno[engine_id] = rq->global_seqno; + spin_unlock(&client->wq_lock); }
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx> Regards, Tvrtko _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
