73 	u_int32_t		initial_aperture; /* aperture size at startup */
87 			      "allocating GATT for aperture of size %dM\n",  in agp_amd_alloc_gatt()
142 	 * an amount dependent on the base address of the aperture. This  in agp_amd_alloc_gatt()
241 		 * aperture so that the gatt size reduces.  in agp_amd_attach()
286 	/* Put the aperture back the way it started. */  in agp_amd_detach()
304 	 * The aperture size is equal to 32M<<vas.  in agp_amd_get_aperture()
311 agp_amd_set_aperture(device_t dev, u_int32_t aperture)  in agp_amd_set_aperture()  argument
319 	if (aperture & (aperture - 1)  in agp_amd_set_aperture()
320 	    || aperture < 32*1024*1024  in agp_amd_set_aperture()
321 	    || aperture > 2U*1024*1024*1024)  in agp_amd_set_aperture()
324 	vas = ffs(aperture / 32*1024*1024) - 1;  in agp_amd_set_aperture()