Lines Matching defs:aperture
76 u_int32_t initial_aperture; /* aperture size at startup */
90 "allocating GATT for aperture of size %dM\n",
146 * an amount dependent on the base address of the aperture. This
246 * aperture so that the gatt size reduces.
291 /* Put the aperture back the way it started. */
309 * The aperture size is equal to 32M<<vas.
316 agp_amd_set_aperture(device_t dev, u_int32_t aperture)
324 if (aperture & (aperture - 1)
325 || aperture < 32*1024*1024
326 || aperture > 2U*1024*1024*1024)
329 vas = ffs(aperture / 32*1024*1024) - 1;