drm_mtrr_add
drm_mtrr_add(adev->gmc.aper_base, adev->gmc.aper_size, DRM_MTRR_WC);
if (drm_mtrr_add(dev->agp->info.ai_aperture_base,
if (drm_mtrr_add(dev->agp->info.ai_aperture_base,
int drm_mtrr_add(unsigned long, size_t, int);
drm_mtrr_add(rdev->mc.aper_base, rdev->mc.aper_size, DRM_MTRR_WC);