diff options
Diffstat (limited to 'shared-core')
| -rw-r--r-- | shared-core/i915_init.c | 331 |
1 files changed, 197 insertions, 134 deletions
diff --git a/shared-core/i915_init.c b/shared-core/i915_init.c index 7183f81f..22577c7f 100644 --- a/shared-core/i915_init.c +++ b/shared-core/i915_init.c @@ -99,6 +99,181 @@ int i915_probe_agp(struct pci_dev *pdev, unsigned long *aperture_size, return 0; } +int i915_load_modeset_init(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + unsigned long agp_size, prealloc_size; + int size, ret = 0; + + i915_probe_agp(dev->pdev, &agp_size, &prealloc_size); + printk("setting up %ld bytes of VRAM space\n", prealloc_size); + printk("setting up %ld bytes of TT space\n", (agp_size - prealloc_size)); + + drm_bo_init_mm(dev, DRM_BO_MEM_VRAM, 0, prealloc_size >> PAGE_SHIFT, 1); + drm_bo_init_mm(dev, DRM_BO_MEM_TT, prealloc_size >> PAGE_SHIFT, + (agp_size - prealloc_size) >> PAGE_SHIFT, 1); + I915_WRITE(LP_RING + RING_LEN, 0); + I915_WRITE(LP_RING + RING_HEAD, 0); + I915_WRITE(LP_RING + RING_TAIL, 0); + + size = PRIMARY_RINGBUFFER_SIZE; + ret = drm_buffer_object_create(dev, size, drm_bo_type_kernel, + DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE | + DRM_BO_FLAG_MEM_VRAM | + DRM_BO_FLAG_NO_EVICT, + DRM_BO_HINT_DONT_FENCE, 0x1, 0, + &dev_priv->ring_buffer); + if (ret < 0) { + DRM_ERROR("Unable to allocate or pin ring buffer\n"); + goto clean_mm; + } + + /* remap the buffer object properly */ + dev_priv->ring.Start = dev_priv->ring_buffer->offset; + dev_priv->ring.End = dev_priv->ring.Start + size; + dev_priv->ring.Size = size; + dev_priv->ring.tail_mask = dev_priv->ring.Size - 1; + + /* FIXME: need wrapper with PCI mem checks */ + ret = drm_mem_reg_ioremap(dev, &dev_priv->ring_buffer->mem, + (void **) &dev_priv->ring.virtual_start); + if (ret) { + DRM_ERROR("error mapping ring buffer: %d\n", ret); + goto destroy_ringbuffer; + } + + DRM_DEBUG("ring start %08lX, %p, %08lX\n", dev_priv->ring.Start, + dev_priv->ring.virtual_start, dev_priv->ring.Size); + + memset((void *)(dev_priv->ring.virtual_start), 0, dev_priv->ring.Size); + I915_WRITE(LP_RING + RING_START, dev_priv->ring.Start); + I915_WRITE(LP_RING + RING_LEN, + ((dev_priv->ring.Size - 4096) & RING_NR_PAGES) | + (RING_NO_REPORT | RING_VALID)); + + /* We are using separate values as placeholders for mechanisms for + * private backbuffer/depthbuffer usage. + */ + dev_priv->use_mi_batchbuffer_start = 0; + + /* Allow hardware batchbuffers unless told otherwise. + */ + dev_priv->allow_batchbuffer = 1; + + /* Program Hardware Status Page */ + if (!IS_G33(dev)) { + dev_priv->status_page_dmah = + drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE, 0xffffffff); + + if (!dev_priv->status_page_dmah) { + DRM_ERROR("Can not allocate hardware status page\n"); + ret = -ENOMEM; + goto destroy_ringbuffer; + } + dev_priv->hw_status_page = dev_priv->status_page_dmah->vaddr; + dev_priv->dma_status_page = dev_priv->status_page_dmah->busaddr; + + memset(dev_priv->hw_status_page, 0, PAGE_SIZE); + + I915_WRITE(I915REG_HWS_PGA, dev_priv->dma_status_page); + } else { + size = 4 * 1024; + ret = drm_buffer_object_create(dev, size, + drm_bo_type_kernel, + DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE | + DRM_BO_FLAG_MEM_VRAM | + DRM_BO_FLAG_NO_EVICT, + DRM_BO_HINT_DONT_FENCE, 0x1, 0, + &dev_priv->hws_bo); + if (ret < 0) { + DRM_ERROR("Unable to allocate or pin hw status page\n"); + ret = -EINVAL; + goto destroy_ringbuffer; + } + + dev_priv->status_gfx_addr = + dev_priv->hws_bo->offset & (0x1ffff << 12); + dev_priv->hws_map.offset = dev->agp->base + + dev_priv->hws_bo->offset; + dev_priv->hws_map.size = size; + dev_priv->hws_map.type= 0; + dev_priv->hws_map.flags= 0; + dev_priv->hws_map.mtrr = 0; + + drm_core_ioremap(&dev_priv->hws_map, dev); + if (dev_priv->hws_map.handle == NULL) { + dev_priv->status_gfx_addr = 0; + DRM_ERROR("can not ioremap virtual addr for" + "G33 hw status page\n"); + ret = -ENOMEM; + goto destroy_hws; + } + dev_priv->hw_status_page = dev_priv->hws_map.handle; + memset(dev_priv->hw_status_page, 0, PAGE_SIZE); + I915_WRITE(I915REG_HWS_PGA, dev_priv->status_gfx_addr); + } + DRM_DEBUG("Enabled hardware status page\n"); + + dev_priv->wq = create_singlethread_workqueue("i915"); + if (dev_priv->wq == 0) { + DRM_DEBUG("Error\n"); + ret = -EINVAL; + goto destroy_hws; + } + + ret = intel_find_bios(dev); + if (ret) { + DRM_ERROR("failed to find VBT\n"); + ret = -ENODEV; + goto destroy_wq; + } + + intel_modeset_init(dev); + drm_initial_config(dev, false); + + drm_mm_print(&dev->bm.man[DRM_BO_MEM_VRAM].manager, "VRAM"); + drm_mm_print(&dev->bm.man[DRM_BO_MEM_TT].manager, "TT"); + + dev->devname = kstrdup(DRIVER_NAME, GFP_KERNEL); + if (!dev->devname) { + ret = -ENOMEM; + goto modeset_cleanup; + } + + ret = drm_irq_install(dev); + if (ret) { + kfree(dev->devname); + goto modeset_cleanup; + } + return 0; + +modeset_cleanup: + intel_modeset_cleanup(dev); +destroy_wq: + destroy_workqueue(dev_priv->wq); +destroy_hws: + if (!IS_G33(dev)) { + if (dev_priv->status_page_dmah) + drm_pci_free(dev, dev_priv->status_page_dmah); + } else { + if (dev_priv->hws_map.handle) + drm_core_ioremapfree(&dev_priv->hws_map, dev); + if (dev_priv->hws_bo) + drm_bo_usage_deref_unlocked(&dev_priv->hws_bo); + } + I915_WRITE(I915REG_HWS_PGA, 0x1ffff000); +destroy_ringbuffer: + if (dev_priv->ring.virtual_start) + drm_mem_reg_iounmap(dev, &dev_priv->ring_buffer->mem, + dev_priv->ring.virtual_start); + if (dev_priv->ring_buffer) + drm_bo_usage_deref_unlocked(&dev_priv->ring_buffer); +clean_mm: + drm_bo_clean_mm(dev, DRM_BO_MEM_VRAM, 1); + drm_bo_clean_mm(dev, DRM_BO_MEM_TT, 1); + return ret; +} + /** * i915_driver_load - setup chip and create an initial config * @dev: DRM device @@ -113,8 +288,7 @@ int i915_probe_agp(struct pci_dev *pdev, unsigned long *aperture_size, int i915_driver_load(struct drm_device *dev, unsigned long flags) { struct drm_i915_private *dev_priv; - unsigned long agp_size, prealloc_size; - int size, ret; + int ret = 0; dev_priv = drm_alloc(sizeof(struct drm_i915_private), DRM_MEM_DRIVER); if (dev_priv == NULL) @@ -156,16 +330,18 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) drm_get_resource_start(dev, 0) & 0xff000000; } else { DRM_ERROR("Unable to find MMIO registers\n"); - return -ENODEV; + ret = -ENODEV; + goto free_priv; } DRM_DEBUG("fb_base: 0x%08lx\n", dev->mode_config.fb_base); ret = drm_addmap(dev, dev_priv->mmiobase, dev_priv->mmiolen, - _DRM_REGISTERS, _DRM_KERNEL|_DRM_READ_ONLY|_DRM_DRIVER, &dev_priv->mmio_map); + _DRM_REGISTERS, _DRM_KERNEL|_DRM_READ_ONLY|_DRM_DRIVER, + &dev_priv->mmio_map); if (ret != 0) { DRM_ERROR("Cannot add mapping for MMIO registers\n"); - return ret; + goto free_priv; } #ifdef __linux__ @@ -177,141 +353,28 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) /* * Initialize the memory manager for local and AGP space */ - drm_bo_driver_init(dev); + ret = drm_bo_driver_init(dev); + if (ret) { + DRM_ERROR("fail to init memory manager for local & AGP space\n"); + goto out_rmmap; + } if (drm_core_check_feature(dev, DRIVER_MODESET)) { - i915_probe_agp(dev->pdev, &agp_size, &prealloc_size); - printk("setting up %ld bytes of VRAM space\n", prealloc_size); - printk("setting up %ld bytes of TT space\n", (agp_size - prealloc_size)); - drm_bo_init_mm(dev, DRM_BO_MEM_VRAM, 0, prealloc_size >> PAGE_SHIFT, 1); - drm_bo_init_mm(dev, DRM_BO_MEM_TT, prealloc_size >> PAGE_SHIFT, (agp_size - prealloc_size) >> PAGE_SHIFT, 1); - - I915_WRITE(LP_RING + RING_LEN, 0); - I915_WRITE(LP_RING + RING_HEAD, 0); - I915_WRITE(LP_RING + RING_TAIL, 0); - - size = PRIMARY_RINGBUFFER_SIZE; - ret = drm_buffer_object_create(dev, size, drm_bo_type_kernel, - DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE | - DRM_BO_FLAG_MEM_VRAM | - DRM_BO_FLAG_NO_EVICT, - DRM_BO_HINT_DONT_FENCE, 0x1, 0, - &dev_priv->ring_buffer); + ret = i915_load_modeset_init(dev); if (ret < 0) { - DRM_ERROR("Unable to allocate or pin ring buffer\n"); - return -EINVAL; + DRM_ERROR("failed to init modeset\n"); + goto driver_fini; } - - /* remap the buffer object properly */ - dev_priv->ring.Start = dev_priv->ring_buffer->offset; - dev_priv->ring.End = dev_priv->ring.Start + size; - dev_priv->ring.Size = size; - dev_priv->ring.tail_mask = dev_priv->ring.Size - 1; - - /* FIXME: need wrapper with PCI mem checks */ - ret = drm_mem_reg_ioremap(dev, &dev_priv->ring_buffer->mem, - (void **) &dev_priv->ring.virtual_start); - if (ret) - DRM_ERROR("error mapping ring buffer: %d\n", ret); - - DRM_DEBUG("ring start %08lX, %p, %08lX\n", dev_priv->ring.Start, - dev_priv->ring.virtual_start, dev_priv->ring.Size); - - // - - memset((void *)(dev_priv->ring.virtual_start), 0, dev_priv->ring.Size); - - I915_WRITE(LP_RING + RING_START, dev_priv->ring.Start); - I915_WRITE(LP_RING + RING_LEN, - ((dev_priv->ring.Size - 4096) & RING_NR_PAGES) | - (RING_NO_REPORT | RING_VALID)); - - /* We are using separate values as placeholders for mechanisms for - * private backbuffer/depthbuffer usage. - */ - dev_priv->use_mi_batchbuffer_start = 0; - - /* Allow hardware batchbuffers unless told otherwise. - */ - dev_priv->allow_batchbuffer = 1; - - /* Program Hardware Status Page */ - if (!IS_G33(dev)) { - dev_priv->status_page_dmah = - drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE, 0xffffffff); - - if (!dev_priv->status_page_dmah) { - dev->dev_private = (void *)dev_priv; - i915_dma_cleanup(dev); - DRM_ERROR("Can not allocate hardware status page\n"); - return -ENOMEM; - } - dev_priv->hw_status_page = dev_priv->status_page_dmah->vaddr; - dev_priv->dma_status_page = dev_priv->status_page_dmah->busaddr; - - memset(dev_priv->hw_status_page, 0, PAGE_SIZE); - - I915_WRITE(I915REG_HWS_PGA, dev_priv->dma_status_page); - } else { - size = 4 * 1024; - ret = drm_buffer_object_create(dev, size, - drm_bo_type_kernel, - DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE | - DRM_BO_FLAG_MEM_VRAM | - DRM_BO_FLAG_NO_EVICT, - DRM_BO_HINT_DONT_FENCE, 0x1, 0, - &dev_priv->hws_bo); - if (ret < 0) { - DRM_ERROR("Unable to allocate or pin ring buffer\n"); - return -EINVAL; - } - dev_priv->status_gfx_addr = - dev_priv->hws_bo->offset & (0x1ffff << 12); - dev_priv->hws_map.offset = dev->agp->base + - dev_priv->hws_bo->offset; - dev_priv->hws_map.size = size; - dev_priv->hws_map.type = 0; - dev_priv->hws_map.flags = 0; - dev_priv->hws_map.mtrr = 0; - - drm_core_ioremap(&dev_priv->hws_map, dev); - if (dev_priv->hws_map.handle == NULL) { - dev_priv->status_gfx_addr = 0; - DRM_ERROR("can not ioremap virtual addr" - " for G33 hw status page\n"); - return -ENOMEM; - } - dev_priv->hw_status_page = dev_priv->hws_map.handle; - memset(dev_priv->hw_status_page, 0, size); - I915_WRITE(I915REG_HWS_PGA, dev_priv->status_gfx_addr); - } - DRM_DEBUG("Enabled hardware status page\n"); - - dev_priv->wq = create_singlethread_workqueue("i915"); - if (dev_priv->wq == 0) { - DRM_DEBUG("Error\n"); - } - - ret = intel_find_bios(dev); - if (ret) { - DRM_ERROR("failed to find VBT\n"); - return -ENODEV; - } - - intel_modeset_init(dev); - drm_initial_config(dev, false); - - drm_mm_print(&dev->bm.man[DRM_BO_MEM_VRAM].manager, "VRAM"); - drm_mm_print(&dev->bm.man[DRM_BO_MEM_TT].manager, "TT"); - - dev->devname = kstrdup(DRIVER_NAME, GFP_KERNEL); - if (!dev->devname) - return -ENOMEM; - - drm_irq_install(dev); } - return 0; + +driver_fini: + drm_bo_driver_finish(dev); +out_rmmap: + drm_rmmap(dev, dev_priv->mmio_map); +free_priv: + drm_free(dev_priv, sizeof(struct drm_i915_private), DRM_MEM_DRIVER); + return ret; } int i915_driver_unload(struct drm_device *dev) |