diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_guc_submission.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c b/drivers/gpu/drm/i915/i915_guc_submission.c index bf65ffa7e4ce..74235ea3950f 100644 --- a/drivers/gpu/drm/i915/i915_guc_submission.c +++ b/drivers/gpu/drm/i915/i915_guc_submission.c @@ -634,6 +634,7 @@ static int guc_ring_doorbell(struct i915_guc_client *gc) */ static void i915_guc_submit(struct drm_i915_gem_request *rq) { + struct drm_i915_private *dev_priv = rq->i915; unsigned int engine_id = rq->engine->id; struct intel_guc *guc = &rq->i915->guc; struct i915_guc_client *client = guc->execbuf_client; @@ -641,6 +642,11 @@ static void i915_guc_submit(struct drm_i915_gem_request *rq) 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); + b_ret = guc_ring_doorbell(client); client->submissions[engine_id] += 1; |