diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_dma.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_dma.c | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index e5b138be45fa..c3aca5c4de99 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -123,7 +123,7 @@ static int i915_init_phys_hws(struct drm_device *dev) drm_i915_private_t *dev_priv = dev->dev_private; /* Program Hardware Status Page */ dev_priv->status_page_dmah = - drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE, 0xffffffff); + drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE); if (!dev_priv->status_page_dmah) { DRM_ERROR("Can not allocate hardware status page\n"); @@ -683,8 +683,10 @@ static int i915_batchbuffer(struct drm_device *dev, void *data, ret = copy_from_user(cliprects, batch->cliprects, batch->num_cliprects * sizeof(struct drm_clip_rect)); - if (ret != 0) + if (ret != 0) { + ret = -EFAULT; goto fail_free; + } } mutex_lock(&dev->struct_mutex); @@ -725,8 +727,10 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data, return -ENOMEM; ret = copy_from_user(batch_data, cmdbuf->buf, cmdbuf->sz); - if (ret != 0) + if (ret != 0) { + ret = -EFAULT; goto fail_batch_free; + } if (cmdbuf->num_cliprects) { cliprects = kcalloc(cmdbuf->num_cliprects, @@ -737,8 +741,10 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data, ret = copy_from_user(cliprects, cmdbuf->cliprects, cmdbuf->num_cliprects * sizeof(struct drm_clip_rect)); - if (ret != 0) + if (ret != 0) { + ret = -EFAULT; goto fail_clip_free; + } } mutex_lock(&dev->struct_mutex); @@ -1111,7 +1117,8 @@ static void i915_setup_compression(struct drm_device *dev, int size) { struct drm_i915_private *dev_priv = dev->dev_private; struct drm_mm_node *compressed_fb, *compressed_llb; - unsigned long cfb_base, ll_base; + unsigned long cfb_base; + unsigned long ll_base = 0; /* Leave 1M for line length buffer & misc. */ compressed_fb = drm_mm_search_free(&dev_priv->vram, size, 4096, 0); @@ -1251,6 +1258,8 @@ static int i915_load_modeset_init(struct drm_device *dev, if (ret) goto destroy_ringbuffer; + intel_modeset_init(dev); + ret = drm_irq_install(dev); if (ret) goto destroy_ringbuffer; @@ -1265,8 +1274,6 @@ static int i915_load_modeset_init(struct drm_device *dev, I915_WRITE(INSTPM, (1 << 5) | (1 << 21)); - intel_modeset_init(dev); - drm_helper_initial_config(dev); return 0; @@ -1525,6 +1532,15 @@ int i915_driver_unload(struct drm_device *dev) } if (drm_core_check_feature(dev, DRIVER_MODESET)) { + /* + * free the memory space allocated for the child device + * config parsed from VBT + */ + if (dev_priv->child_dev && dev_priv->child_dev_num) { + kfree(dev_priv->child_dev); + dev_priv->child_dev = NULL; + dev_priv->child_dev_num = 0; + } drm_irq_uninstall(dev); vga_client_register(dev->pdev, NULL, NULL, NULL); } |