- }
- /* Reset gpu before posting otherwise ATOM will enter infinite loop */
- if (radeon_gpu_reset(rdev)) {
- /* FIXME: what do we want to do here ? */
- }
- /* check if cards are posted or not */
- if (!radeon_card_posted(rdev) && rdev->bios) {
- DRM_INFO("GPU not posted. posting now...\n");
- if (rdev->is_atom_bios) {
- atom_asic_init(rdev->mode_info.atom_context);
- } else {
- radeon_combios_asic_init(rdev->ddev);
- }
- }
- /* Initialize clocks */
- r = radeon_clocks_init(rdev);
- if (r) {
- return r;
- }
- /* Get vram informations */
- radeon_vram_info(rdev);
-
- /* Add an MTRR for the VRAM */
- rdev->mc.vram_mtrr = mtrr_add(rdev->mc.aper_base, rdev->mc.aper_size,
- MTRR_TYPE_WRCOMB, 1);
- DRM_INFO("Detected VRAM RAM=%uM, BAR=%uM\n",
- rdev->mc.real_vram_size >> 20,
- (unsigned)rdev->mc.aper_size >> 20);
- DRM_INFO("RAM width %dbits %cDR\n",
- rdev->mc.vram_width, rdev->mc.vram_is_ddr ? 'D' : 'S');
- /* Initialize memory controller (also test AGP) */
- r = radeon_mc_init(rdev);
- if (r) {
- return r;
- }
- /* Fence driver */
- r = radeon_fence_driver_init(rdev);
- if (r) {
- return r;
- }
- r = radeon_irq_kms_init(rdev);
- if (r) {
- return r;
- }
- /* Memory manager */
- r = radeon_object_init(rdev);
- if (r) {
- return r;
- }
- /* Initialize GART (initialize after TTM so we can allocate
- * memory through TTM but finalize after TTM) */
- r = radeon_gart_enable(rdev);
- if (!r) {
- r = radeon_gem_init(rdev);
- }
-
- /* 1M ring buffer */
- if (!r) {
- r = radeon_cp_init(rdev, 1024 * 1024);
- }
- if (!r) {
- r = radeon_wb_init(rdev);