drivers/gpu/drm/i915/gem/i915_gem_region.c

Source file repositories/reference/linux-study-clean/drivers/gpu/drm/i915/gem/i915_gem_region.c

File Facts

System
Linux kernel
Corpus path
drivers/gpu/drm/i915/gem/i915_gem_region.c
Extension
.c
Size
5772 bytes
Lines
209
Domain
Driver Families
Bucket
drivers/gpu
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

for_i915_gem_ww(&ww, ret, apply->interruptible) {
			ret = i915_gem_object_lock(obj, apply->ww);
			if (ret)
				continue;

			if (obj->mm.region == mr)
				ret = ops->process_obj(apply, obj);
			/* Implicit object unlock */
		}

		i915_gem_object_put(obj);
		mutex_lock(&mr->objects.lock);
		if (ret)
			break;
	}
	list_splice_tail(&still_in_list, &mr->objects.list);
	mutex_unlock(&mr->objects.lock);

	return ret;
}

Annotation

Implementation Notes