Re: [PATCH 42/49] drm/i915/bdw: Get prepared for a two-stage execlist submit process

Damien Lespiau
2014-04-04T11:12:43Z

On Thu, Mar 27, 2014 at 06:00:11PM +0000, oscar.mateo@intel.com wrote:
> +int gen8_switch_context_queue(struct intel_engine *ring,
> + struct i915_hw_context *to,
> + u32 tail)
> +{
> + struct drm_i915_gem_request *req = NULL;
> + unsigned long flags;
> + bool was_empty;
> +
> + req = (struct drm_i915_gem_request *)
> + kmalloc(sizeof(struct drm_i915_gem_request), GFP_KERNEL);
> + req->ring = ring;
> + req->ctx = to;
> + i915_gem_context_reference(req->ctx);
> + req->tail = tail;

Need to test if the allocation has succeeded and return an error if not.

--
Damien