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Merge commit 'origin/drm-gem' into modesetting-gem
[android-x86/external-libdrm.git] / shared-core / i915_init.c
index b9e7e17..e13d12f 100644 (file)
@@ -13,6 +13,7 @@
 #include "i915_drm.h"
 #include "i915_drv.h"
 #include "intel_bios.h"
+#include "intel_drv.h"
 
 /**
  * i915_probe_agp - get AGP bootup configuration
@@ -99,6 +100,174 @@ 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(PRB0_CTL, 0);
+       I915_WRITE(PRB0_HEAD, 0);
+       I915_WRITE(PRB0_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(PRB0_START, dev_priv->ring.Start);
+       I915_WRITE(PRB0_CTL, ((dev_priv->ring.Size - 4096) & RING_NR_PAGES) |
+                  (RING_NO_REPORT | RING_VALID));
+
+       /* Allow hardware batchbuffers unless told otherwise.
+        */
+       dev_priv->allow_batchbuffer = 1;
+       dev_priv->max_validate_buffers = I915_MAX_VALIDATE_BUFFERS;
+       mutex_init(&dev_priv->cmdbuf_mutex);
+
+       /* 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(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(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_init_bios(dev);
+       if (ret) {
+               DRM_ERROR("failed to find VBIOS tables\n");
+               ret = -ENODEV;
+               goto destroy_wq;
+       }
+
+       intel_modeset_init(dev);
+       drm_helper_initial_config(dev, false);
+
+       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(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 +282,7 @@ 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)
@@ -122,7 +290,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 
        memset(dev_priv, 0, sizeof(struct drm_i915_private));
        dev->dev_private = (void *)dev_priv;
-//     dev_priv->flags = flags;
+       dev_priv->dev = dev;
 
        /* i915 has 4 more counters */
        dev->counters += 4;
@@ -156,137 +324,72 @@ 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;
        }
 
+       INIT_LIST_HEAD(&dev_priv->mm.active_list);
+       INIT_LIST_HEAD(&dev_priv->mm.flushing_list);
+       INIT_LIST_HEAD(&dev_priv->mm.inactive_list);
+       INIT_LIST_HEAD(&dev_priv->mm.request_list);
+       dev_priv->mm.retire_timer.function = i915_gem_retire_timeout;
+       dev_priv->mm.retire_timer.data = (unsigned long) dev;
+       init_timer_deferrable (&dev_priv->mm.retire_timer);
+       INIT_WORK(&dev_priv->mm.retire_task,
+                 i915_gem_retire_handler);
+       INIT_WORK(&dev_priv->user_interrupt_task,
+                 i915_user_interrupt_handler);
+       dev_priv->mm.next_gem_seqno = 1;
+
 #ifdef __linux__
 #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
         intel_init_chipset_flush_compat(dev);
 #endif
 #endif
 
-       /*
-        * Initialize the memory manager for local and AGP space
-        */
-       drm_bo_driver_init(dev);
-
        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);
-               if (ret < 0) {
-                       DRM_ERROR("Unable to allocate or pin ring buffer\n");
-                       return -EINVAL;
-               }
-               
-               /* 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.
+               /*
+                * Initialize the memory manager for local and AGP space
                 */
-               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);
-               }
-               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);
+               ret = drm_bo_driver_init(dev);
                if (ret) {
-                       DRM_ERROR("failed to find VBT\n");
-                       return -ENODEV;
+                       DRM_ERROR("fail to init memory manager for "
+                                 "local & AGP space\n");
+                       goto out_rmmap;
                }
 
-               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);
+               ret = i915_load_modeset_init(dev);
+               if (ret < 0) {
+                       DRM_ERROR("failed to init modeset\n");
+                       goto driver_fini;
+               }
        }
-
        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)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
 
-       I915_WRITE(LP_RING + RING_LEN, 0);
+       I915_WRITE(PRB0_CTL, 0);
 
        if (drm_core_check_feature(dev, DRIVER_MODESET)) {
                drm_irq_uninstall(dev);
@@ -318,13 +421,14 @@ int i915_driver_unload(struct drm_device *dev)
                dev_priv->hw_status_page = NULL;
                dev_priv->dma_status_page = 0;
                /* Need to rewrite hardware status page */
-               I915_WRITE(I915REG_HWS_PGA, 0x1ffff000);
+               I915_WRITE(HWS_PGA, 0x1ffff000);
        }
 
        if (dev_priv->status_gfx_addr) {
                dev_priv->status_gfx_addr = 0;
                drm_core_ioremapfree(&dev_priv->hws_map, dev);
-               I915_WRITE(I915REG_HWS_PGA, 0x1ffff000);
+               drm_bo_usage_deref_unlocked(&dev_priv->hws_bo);
+               I915_WRITE(HWS_PGA, 0x1ffff000);
        }
 
        if (drm_core_check_feature(dev, DRIVER_MODESET)) {
@@ -406,7 +510,7 @@ void i915_master_destroy(struct drm_device *dev, struct drm_master *master)
 void i915_driver_preclose(struct drm_device * dev, struct drm_file *file_priv)
 {
         struct drm_i915_private *dev_priv = dev->dev_private;
-       if (drm_core_check_feature(dev, DRIVER_MODESET))
+       if (!drm_core_check_feature(dev, DRIVER_MODESET))
                i915_mem_release(dev, file_priv, dev_priv->agp_heap);
 }
 
@@ -417,8 +521,33 @@ void i915_driver_lastclose(struct drm_device * dev)
        if (drm_core_check_feature(dev, DRIVER_MODESET))
                return;
 
+#ifdef I915_HAVE_BUFFER
+       if (dev_priv->val_bufs) {
+               vfree(dev_priv->val_bufs);
+               dev_priv->val_bufs = NULL;
+       }
+#endif
+
+       i915_gem_lastclose(dev);
+
        if (dev_priv->agp_heap)
                i915_mem_takedown(&(dev_priv->agp_heap));
+
+#if defined(I915_HAVE_BUFFER)
+       if (dev_priv->sarea_kmap.virtual) {
+               drm_bo_kunmap(&dev_priv->sarea_kmap);
+               dev_priv->sarea_kmap.virtual = NULL;
+               dev->control->master->lock.hw_lock = NULL;
+               dev->sigdata.lock = NULL;
+       }
+
+       if (dev_priv->sarea_bo) {
+               mutex_lock(&dev->struct_mutex);
+               drm_bo_usage_deref_locked(&dev_priv->sarea_bo);
+               mutex_unlock(&dev->struct_mutex);
+               dev_priv->sarea_bo = NULL;
+       }
+#endif
        
        i915_dma_cleanup(dev);
 }