Commit de8fe166 authored Jul 01, 2016 by Chris Wilson

drm/i915: Allocate scratch page from stolen



With the last direct CPU access to the scratch page removed, we can now
allocate it from our small amount of reserved system pages (stolen
memory).

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1467390209-3576-10-git-send-email-chris@chris-wilson.co.uk

parent f8291952

drivers/gpu/drm/i915/intel_ringbuffer.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -665,6 +665,8 @@ int intel_init_pipe_control(struct intel_engine_cs *engine)

		WARN_ON(engine->scratch.obj);

		obj = i915_gem_object_create_stolen(engine->i915->dev, 4096);
		if (!obj)
		obj = i915_gem_object_create(engine->i915->dev, 4096);
		if (IS_ERR(obj)) {
		DRM_ERROR("Failed to allocate scratch page\n");