static void nouveau_card_takedown(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_engine *engine = &dev_priv->Engine;
DRM_DEBUG("prev state = %d\n", dev_priv->init_state);
if (dev_priv->init_state != NOUVEAU_CARD_INIT_DOWN) {
nouveau_backlight_exit(dev);
nouveau_dma_channel_takedown(dev);
engine->fifo.takedown(dev);
engine->graph.takedown(dev);
engine->fb.takedown(dev);
engine->timer.takedown(dev);
engine->mc.takedown(dev);
nouveau_sgdma_nottm_hack_takedown(dev);
nouveau_sgdma_takedown(dev);
nouveau_gpuobj_takedown(dev);
nouveau_gpuobj_del(dev, &dev_priv->vm_vram_pt);
nouveau_mem_close(dev);
engine->instmem.takedown(dev);
drm_irq_uninstall(dev);
nouveau_gpuobj_late_takedown(dev);
dev_priv->init_state = NOUVEAU_CARD_INIT_DOWN;
}
}
static void nouveau_card_takedown(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_engine *engine = &dev_priv->engine;
NV_DEBUG(dev, "prev state = %d\n", dev_priv->init_state);
if (dev_priv->init_state != NOUVEAU_CARD_INIT_DOWN) {
nouveau_backlight_exit(dev);
if (dev_priv->channel) {
nouveau_channel_free(dev_priv->channel);
dev_priv->channel = NULL;
}
if (!nouveau_noaccel) {
engine->fifo.takedown(dev);
engine->graph.takedown(dev);
}
engine->fb.takedown(dev);
engine->timer.takedown(dev);
engine->mc.takedown(dev);
mutex_lock(&dev->struct_mutex);
ttm_bo_clean_mm(&dev_priv->ttm.bdev, TTM_PL_VRAM);
ttm_bo_clean_mm(&dev_priv->ttm.bdev, TTM_PL_TT);
mutex_unlock(&dev->struct_mutex);
nouveau_sgdma_takedown(dev);
nouveau_gpuobj_takedown(dev);
nouveau_mem_close(dev);
engine->instmem.takedown(dev);
if (drm_core_check_feature(dev, DRIVER_MODESET))
drm_irq_uninstall(dev);
nouveau_gpuobj_late_takedown(dev);
nouveau_bios_takedown(dev);
vga_client_register(dev->pdev, NULL, NULL, NULL);
dev_priv->init_state = NOUVEAU_CARD_INIT_DOWN;
}
}
int
nouveau_card_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_engine *engine;
int ret;
NV_DEBUG(dev, "prev state = %d\n", dev_priv->init_state);
if (dev_priv->init_state == NOUVEAU_CARD_INIT_DONE)
return 0;
vga_client_register(dev->pdev, dev, NULL, nouveau_vga_set_decode);
vga_switcheroo_register_client(dev->pdev, nouveau_switcheroo_set_state,
nouveau_switcheroo_can_switch);
/* Initialise internal driver API hooks */
ret = nouveau_init_engine_ptrs(dev);
if (ret)
goto out;
engine = &dev_priv->engine;
dev_priv->init_state = NOUVEAU_CARD_INIT_FAILED;
spin_lock_init(&dev_priv->context_switch_lock);
/* Parse BIOS tables / Run init tables if card not POSTed */
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
ret = nouveau_bios_init(dev);
if (ret)
goto out;
}
ret = nouveau_mem_detect(dev);
if (ret)
goto out_bios;
ret = nouveau_gpuobj_early_init(dev);
if (ret)
goto out_bios;
/* Initialise instance memory, must happen before mem_init so we
* know exactly how much VRAM we're able to use for "normal"
* purposes.
*/
ret = engine->instmem.init(dev);
if (ret)
goto out_gpuobj_early;
/* Setup the memory manager */
ret = nouveau_mem_init(dev);
if (ret)
goto out_instmem;
ret = nouveau_gpuobj_init(dev);
if (ret)
goto out_mem;
/* PMC */
ret = engine->mc.init(dev);
if (ret)
goto out_gpuobj;
/* PTIMER */
ret = engine->timer.init(dev);
if (ret)
goto out_mc;
/* PFB */
ret = engine->fb.init(dev);
if (ret)
goto out_timer;
if (nouveau_noaccel)
engine->graph.accel_blocked = true;
else {
/* PGRAPH */
ret = engine->graph.init(dev);
if (ret)
goto out_fb;
/* PFIFO */
ret = engine->fifo.init(dev);
if (ret)
goto out_graph;
}
/* this call irq_preinstall, register irq handler and
* call irq_postinstall
*/
ret = drm_irq_install(dev);
if (ret)
goto out_fifo;
ret = drm_vblank_init(dev, 0);
if (ret)
goto out_irq;
/* what about PVIDEO/PCRTC/PRAMDAC etc? */
if (!engine->graph.accel_blocked) {
ret = nouveau_card_init_channel(dev);
if (ret)
goto out_irq;
}
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
if (dev_priv->card_type >= NV_50)
ret = nv50_display_create(dev);
else
ret = nv04_display_create(dev);
if (ret)
goto out_channel;
}
ret = nouveau_backlight_init(dev);
if (ret)
NV_ERROR(dev, "Error %d registering backlight\n", ret);
dev_priv->init_state = NOUVEAU_CARD_INIT_DONE;
if (drm_core_check_feature(dev, DRIVER_MODESET)) {
nouveau_fbcon_init(dev);
drm_kms_helper_poll_init(dev);
}
return 0;
out_channel:
if (dev_priv->channel) {
nouveau_channel_free(dev_priv->channel);
dev_priv->channel = NULL;
}
out_irq:
drm_irq_uninstall(dev);
out_fifo:
if (!nouveau_noaccel)
engine->fifo.takedown(dev);
out_graph:
if (!nouveau_noaccel)
engine->graph.takedown(dev);
out_fb:
engine->fb.takedown(dev);
out_timer:
engine->timer.takedown(dev);
out_mc:
engine->mc.takedown(dev);
out_gpuobj:
nouveau_gpuobj_takedown(dev);
out_mem:
nouveau_sgdma_takedown(dev);
nouveau_mem_close(dev);
out_instmem:
engine->instmem.takedown(dev);
out_gpuobj_early:
nouveau_gpuobj_late_takedown(dev);
out_bios:
nouveau_bios_takedown(dev);
out:
vga_client_register(dev->pdev, NULL, NULL, NULL);
return ret;
}