Lines Matching refs:aperture
74 u_int32_t initial_aperture; /* aperture size at startup */
88 "allocating GATT for aperture of size %dM\n",
145 * an amount dependent on the base address of the aperture. This
245 * aperture so that the gatt size reduces.
290 /* Put the aperture back the way it started. */
308 * The aperture size is equal to 32M<<vas.
315 agp_amd_set_aperture(device_t dev, u_int32_t aperture)
323 if (aperture & (aperture - 1)
324 || aperture < 32*1024*1024
325 || aperture > 2U*1024*1024*1024)
328 vas = ffs(aperture / 32*1024*1024) - 1;