Exemplos de i915_stolen_to_physical em C++ (Cpp)

Exemplo n.º 1

Arquivo: i915_gem_stolen.c Projeto: HEATHlabs/ravlinux

int i915_gem_init_stolen(struct drm_device *dev)
{
	struct drm_i915_private *dev_priv = dev->dev_private;
	int bios_reserved = 0;

	if (dev_priv->gtt.stolen_size == 0)
		return 0;

	dev_priv->mm.stolen_base = i915_stolen_to_physical(dev);
	if (dev_priv->mm.stolen_base == 0)
		return 0;

	DRM_DEBUG_KMS("found %zd bytes of stolen memory at %08lx\n",
		      dev_priv->gtt.stolen_size, dev_priv->mm.stolen_base);

	if (IS_VALLEYVIEW(dev))
		bios_reserved = 1024*1024; /* top 1M on VLV/BYT */

	if (WARN_ON(bios_reserved > dev_priv->gtt.stolen_size))
		return 0;

	/* Basic memrange allocator for stolen space */
	drm_mm_init(&dev_priv->mm.stolen, 0, dev_priv->gtt.stolen_size -
		    bios_reserved);

	return 0;
}

Exemplo n.º 2

Arquivo: i915_gem_stolen.c Projeto: BozkurTR/kernel

int i915_gem_init_stolen(struct drm_device *dev)
{
	struct drm_i915_private *dev_priv = dev->dev_private;
	int bios_reserved = 0;

#ifdef CONFIG_INTEL_IOMMU
	if (intel_iommu_gfx_mapped) {
		DRM_INFO("DMAR active, disabling use of stolen memory\n");
		return 0;
	}
#endif

	if (dev_priv->gtt.stolen_size == 0)
		return 0;

	dev_priv->mm.stolen_base = i915_stolen_to_physical(dev);
	if (dev_priv->mm.stolen_base == 0)
		return 0;

	DRM_DEBUG_KMS("found %zd bytes of stolen memory at %08lx\n",
		      dev_priv->gtt.stolen_size, dev_priv->mm.stolen_base);

	if (IS_VALLEYVIEW(dev))
		bios_reserved = 1024*1024; /* top 1M on VLV/BYT */

	if (WARN_ON(bios_reserved > dev_priv->gtt.stolen_size))
		return 0;

	/* Basic memrange allocator for stolen space */
	drm_mm_init(&dev_priv->mm.stolen, 0, dev_priv->gtt.stolen_size -
		    bios_reserved);

	return 0;
}