- if (rdev->mc.mc_vram_size > rdev->mc.aper_size)
- rdev->mc.mc_vram_size = rdev->mc.aper_size;
-
- if (rdev->mc.real_vram_size > rdev->mc.aper_size)
- rdev->mc.real_vram_size = rdev->mc.aper_size;
-
- if (rdev->flags & RADEON_IS_AGP) {
- r = radeon_agp_init(rdev);
- if (r)
- return r;
- /* gtt_size is setup by radeon_agp_init */
- rdev->mc.gtt_location = rdev->mc.agp_base;
- tmp = 0xFFFFFFFFUL - rdev->mc.agp_base - rdev->mc.gtt_size;
- /* Try to put vram before or after AGP because we
- * we want SYSTEM_APERTURE to cover both VRAM and
- * AGP so that GPU can catch out of VRAM/AGP access
- */
- if (rdev->mc.gtt_location > rdev->mc.mc_vram_size) {
- /* Enought place before */
- rdev->mc.vram_location = rdev->mc.gtt_location -
- rdev->mc.mc_vram_size;
- } else if (tmp > rdev->mc.mc_vram_size) {
- /* Enought place after */
- rdev->mc.vram_location = rdev->mc.gtt_location +
- rdev->mc.gtt_size;
- } else {
- /* Try to setup VRAM then AGP might not
- * not work on some card
- */
- rdev->mc.vram_location = 0x00000000UL;
- rdev->mc.gtt_location = rdev->mc.mc_vram_size;
- }
- } else {
- rdev->mc.vram_location = 0x00000000UL;
- rdev->mc.gtt_location = rdev->mc.mc_vram_size;
- rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024;
- }
- rdev->mc.vram_start = rdev->mc.vram_location;
- rdev->mc.vram_end = rdev->mc.vram_location + rdev->mc.mc_vram_size - 1;
- rdev->mc.gtt_start = rdev->mc.gtt_location;
- rdev->mc.gtt_end = rdev->mc.gtt_location + rdev->mc.gtt_size - 1;
- /* FIXME: we should enforce default clock in case GPU is not in
- * default setup
- */
- a.full = rfixed_const(100);
- rdev->pm.sclk.full = rfixed_const(rdev->clock.default_sclk);
- rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a);