static int execlists_context_deferred_alloc(struct i915_gem_context *ctx,
struct intel_engine_cs *engine);
-static int intel_lr_context_pin(struct i915_gem_context *ctx,
- struct intel_engine_cs *engine);
static void execlists_init_reg_state(u32 *reg_state,
struct i915_gem_context *ctx,
struct intel_engine_cs *engine,
/* XXX Do we need to preempt to make room for us and our deps? */
}
-int intel_logical_ring_alloc_request_extras(struct drm_i915_gem_request *request)
-{
- struct intel_engine_cs *engine = request->engine;
- struct intel_context *ce = &request->ctx->engine[engine->id];
- int ret;
-
- /* Flush enough space to reduce the likelihood of waiting after
- * we start building the request - in which case we will just
- * have to repeat work.
- */
- request->reserved_space += EXECLISTS_REQUEST_SIZE;
-
- if (!ce->state) {
- ret = execlists_context_deferred_alloc(request->ctx, engine);
- if (ret)
- return ret;
- }
-
- request->ring = ce->ring;
-
- ret = intel_lr_context_pin(request->ctx, engine);
- if (ret)
- return ret;
-
- if (i915.enable_guc_submission) {
- /*
- * Check that the GuC has space for the request before
- * going any further, as the i915_add_request() call
- * later on mustn't fail ...
- */
- ret = i915_guc_wq_reserve(request);
- if (ret)
- goto err_unpin;
- }
-
- ret = intel_ring_begin(request, 0);
- if (ret)
- goto err_unreserve;
-
- if (!ce->initialised) {
- ret = engine->init_context(request);
- if (ret)
- goto err_unreserve;
-
- ce->initialised = true;
- }
-
- /* Note that after this point, we have committed to using
- * this request as it is being used to both track the
- * state of engine initialisation and liveness of the
- * golden renderstate above. Think twice before you try
- * to cancel/unwind this request now.
- */
-
- request->reserved_space -= EXECLISTS_REQUEST_SIZE;
- return 0;
-
-err_unreserve:
- if (i915.enable_guc_submission)
- i915_guc_wq_unreserve(request);
-err_unpin:
- intel_lr_context_unpin(request->ctx, engine);
- return ret;
-}
-
static int intel_lr_context_pin(struct i915_gem_context *ctx,
struct intel_engine_cs *engine)
{
i915_gem_context_put(ctx);
}
+int intel_logical_ring_alloc_request_extras(struct drm_i915_gem_request *request)
+{
+ struct intel_engine_cs *engine = request->engine;
+ struct intel_context *ce = &request->ctx->engine[engine->id];
+ int ret;
+
+ /* Flush enough space to reduce the likelihood of waiting after
+ * we start building the request - in which case we will just
+ * have to repeat work.
+ */
+ request->reserved_space += EXECLISTS_REQUEST_SIZE;
+
+ if (!ce->state) {
+ ret = execlists_context_deferred_alloc(request->ctx, engine);
+ if (ret)
+ return ret;
+ }
+
+ request->ring = ce->ring;
+
+ ret = intel_lr_context_pin(request->ctx, engine);
+ if (ret)
+ return ret;
+
+ if (i915.enable_guc_submission) {
+ /*
+ * Check that the GuC has space for the request before
+ * going any further, as the i915_add_request() call
+ * later on mustn't fail ...
+ */
+ ret = i915_guc_wq_reserve(request);
+ if (ret)
+ goto err_unpin;
+ }
+
+ ret = intel_ring_begin(request, 0);
+ if (ret)
+ goto err_unreserve;
+
+ if (!ce->initialised) {
+ ret = engine->init_context(request);
+ if (ret)
+ goto err_unreserve;
+
+ ce->initialised = true;
+ }
+
+ /* Note that after this point, we have committed to using
+ * this request as it is being used to both track the
+ * state of engine initialisation and liveness of the
+ * golden renderstate above. Think twice before you try
+ * to cancel/unwind this request now.
+ */
+
+ request->reserved_space -= EXECLISTS_REQUEST_SIZE;
+ return 0;
+
+err_unreserve:
+ if (i915.enable_guc_submission)
+ i915_guc_wq_unreserve(request);
+err_unpin:
+ intel_lr_context_unpin(request->ctx, engine);
+ return ret;
+}
+
static int intel_logical_ring_workarounds_emit(struct drm_i915_gem_request *req)
{
int ret, i;