[Intel-gfx] [PATCH 5/9] drm/i915: Remove unneeded check on execlist ringbuf alloc

[Rodrigo Vivi]

From: Mika Kuoppala <mika.kuoppala at linux.intel.com>

We just allocated the intel_ringbuffer with kzalloc. There
is no chance of the ringbuf->obj being other than NULL
so remove the redudant check.

Signed-off-by: Mika Kuoppala <mika.kuoppala at intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
---
 drivers/gpu/drm/i915/intel_lrc.c | 29 +++++++++++++----------------
 1 file changed, 13 insertions(+), 16 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 4373754..dcfd975 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1879,25 +1879,22 @@ int intel_lr_context_deferred_create(struct intel_context *ctx,
 	ringbuf->last_retired_head = -1;
 	intel_ring_update_space(ringbuf);
 
-	if (ringbuf->obj == NULL) {
-		ret = intel_alloc_ringbuffer_obj(dev, ringbuf);
+	ret = intel_alloc_ringbuffer_obj(dev, ringbuf);
+	if (ret) {
+		DRM_DEBUG_DRIVER(
+			"Failed to allocate ringbuffer obj %s: %d\n",
+			ring->name, ret);
+		goto error_free_rbuf;
+	}
+
+	if (is_global_default_ctx) {
+		ret = intel_pin_and_map_ringbuffer_obj(dev, ringbuf);
 		if (ret) {
-			DRM_DEBUG_DRIVER(
-				"Failed to allocate ringbuffer obj %s: %d\n",
+			DRM_ERROR(
+				"Failed to pin and map ringbuffer %s: %d\n",
 				ring->name, ret);
-			goto error_free_rbuf;
+			goto error_destroy_rbuf;
 		}
-
-		if (is_global_default_ctx) {
-			ret = intel_pin_and_map_ringbuffer_obj(dev, ringbuf);
-			if (ret) {
-				DRM_ERROR(
-					"Failed to pin and map ringbuffer %s: %d\n",
-					ring->name, ret);
-				goto error_destroy_rbuf;
-			}
-		}
-
 	}
 
 	ret = populate_lr_context(ctx, ctx_obj, ring, ringbuf);
-- 
2.1.0