Lines Matching refs:aperture
53 u_int32_t initial_aperture; /* aperture size at startup */
56 u_int32_t current_aperture; /* current aperture size */
159 /* Enable aperture accesses. */
229 /* Determine maximum supported aperture size. */
244 * aperture so that the gatt size reduces.
268 /* Disable aperture accesses. */
334 * to be zero. We calculate the aperture size accordingly.
340 agp_intel_set_aperture(device_t dev, u_int32_t aperture)
350 apsize = ((aperture - 1) >> 22) ^ sc->aperture_mask;
355 if ((((apsize ^ sc->aperture_mask) << 22) | ((1 << 22) - 1)) + 1 != aperture)