C++ (Cpp) i915_gem_swizzle_page Beispiele

Beispiel #1

Datei: i915_gem_tiling.c Projekt: ArthySundaram/firstrepo

void
i915_gem_object_do_bit_17_swizzle(struct drm_gem_object *obj)
{
	struct drm_device *dev = obj->dev;
	drm_i915_private_t *dev_priv = dev->dev_private;
	struct drm_i915_gem_object *obj_priv = obj->driver_private;
	int page_count = obj->size >> PAGE_SHIFT;
	int i;

	if (dev_priv->mm.bit_6_swizzle_x != I915_BIT_6_SWIZZLE_9_10_17)
		return;

	if (obj_priv->bit_17 == NULL)
		return;

	for (i = 0; i < page_count; i++) {
		char new_bit_17 = page_to_phys(obj_priv->pages[i]) >> 17;
		if ((new_bit_17 & 0x1) !=
		    (test_bit(i, obj_priv->bit_17) != 0)) {
			int ret = i915_gem_swizzle_page(obj_priv->pages[i]);
			if (ret != 0) {
				DRM_ERROR("Failed to swizzle page\n");
				return;
			}
			set_page_dirty(obj_priv->pages[i]);
		}
	}
}

Beispiel #2

Datei: i915_gem_tiling.c Projekt: TheDudeWithThreeHands/ubuntu-precise-lowlatency

void
i915_gem_object_do_bit_17_swizzle(struct drm_i915_gem_object *obj)
{
	int page_count = obj->base.size >> PAGE_SHIFT;
	int i;

	if (obj->bit_17 == NULL)
		return;

	for (i = 0; i < page_count; i++) {
		char new_bit_17 = page_to_phys(obj->pages[i]) >> 17;
		if ((new_bit_17 & 0x1) !=
		    (test_bit(i, obj->bit_17) != 0)) {
			i915_gem_swizzle_page(obj->pages[i]);
			set_page_dirty(obj->pages[i]);
		}
	}
}