Lines Matching defs:aperture
53 u_int32_t initial_aperture; /* aperture size at startup */
147 * aperture so that the gatt size reduces.
159 /* Enable the aperture. */
179 /* Disable the aperture.. */
186 /* Put the aperture back the way it started. */
200 * The aperture size is equal to 4M<<gws.
207 agp_sis_set_aperture(device_t dev, u_int32_t aperture)
215 if (aperture & (aperture - 1)
216 || aperture < 4*1024*1024
217 || aperture > 256*1024*1024)
220 gws = ffs(aperture / 4*1024*1024) - 1;