1 files changed, 91 insertions, 41 deletions

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 1a60626f680..50d1f782768 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -643,9 +643,9 @@ static int i915_batchbuffer(struct drm_device *dev, void *data,
 		return -EINVAL;
 
 	if (batch->num_cliprects) {
-		cliprects = drm_calloc(batch->num_cliprects,
-				       sizeof(struct drm_clip_rect),
-				       DRM_MEM_DRIVER);
+		cliprects = kcalloc(batch->num_cliprects,
+				    sizeof(struct drm_clip_rect),
+				    GFP_KERNEL);
 		if (cliprects == NULL)
 			return -ENOMEM;
 
@@ -664,9 +664,7 @@ static int i915_batchbuffer(struct drm_device *dev, void *data,
 		sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
 
 fail_free:
-	drm_free(cliprects,
-		 batch->num_cliprects * sizeof(struct drm_clip_rect),
-		 DRM_MEM_DRIVER);
+	kfree(cliprects);
 
 	return ret;
 }
@@ -692,7 +690,7 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data,
 	if (cmdbuf->num_cliprects < 0)
 		return -EINVAL;
 
-	batch_data = drm_alloc(cmdbuf->sz, DRM_MEM_DRIVER);
+	batch_data = kmalloc(cmdbuf->sz, GFP_KERNEL);
 	if (batch_data == NULL)
 		return -ENOMEM;
 
@@ -701,9 +699,8 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data,
 		goto fail_batch_free;
 
 	if (cmdbuf->num_cliprects) {
-		cliprects = drm_calloc(cmdbuf->num_cliprects,
-				       sizeof(struct drm_clip_rect),
-				       DRM_MEM_DRIVER);
+		cliprects = kcalloc(cmdbuf->num_cliprects,
+				    sizeof(struct drm_clip_rect), GFP_KERNEL);
 		if (cliprects == NULL)
 			goto fail_batch_free;
 
@@ -726,11 +723,9 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data,
 		sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
 
 fail_clip_free:
-	drm_free(cliprects,
-		 cmdbuf->num_cliprects * sizeof(struct drm_clip_rect),
-		 DRM_MEM_DRIVER);
+	kfree(cliprects);
 fail_batch_free:
-	drm_free(batch_data, cmdbuf->sz, DRM_MEM_DRIVER);
+	kfree(batch_data);
 
 	return ret;
 }
@@ -851,7 +846,7 @@ static int i915_set_status_page(struct drm_device *dev, void *data,
 		return 0;
 	}
 
-	printk(KERN_DEBUG "set status page addr 0x%08x\n", (u32)hws->addr);
+	DRM_DEBUG("set status page addr 0x%08x\n", (u32)hws->addr);
 
 	dev_priv->status_gfx_addr = hws->addr & (0x1ffff<<12);
 
@@ -890,8 +885,8 @@ static int i915_set_status_page(struct drm_device *dev, void *data,
  * some RAM for the framebuffer at early boot.  This code figures out
  * how much was set aside so we can use it for our own purposes.
  */
-static int i915_probe_agp(struct drm_device *dev, unsigned long *aperture_size,
-			  unsigned long *preallocated_size)
+static int i915_probe_agp(struct drm_device *dev, uint32_t *aperture_size,
+			  uint32_t *preallocated_size)
 {
 	struct pci_dev *bridge_dev;
 	u16 tmp = 0;
@@ -989,10 +984,11 @@ static int i915_probe_agp(struct drm_device *dev, unsigned long *aperture_size,
 	return 0;
 }
 
-static int i915_load_modeset_init(struct drm_device *dev)
+static int i915_load_modeset_init(struct drm_device *dev,
+				  unsigned long prealloc_size,
+				  unsigned long agp_size)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	unsigned long agp_size, prealloc_size;
 	int fb_bar = IS_I9XX(dev) ? 2 : 0;
 	int ret = 0;
 
@@ -1007,10 +1003,6 @@ static int i915_load_modeset_init(struct drm_device *dev)
 	if (IS_I965G(dev) || IS_G33(dev))
 		dev_priv->cursor_needs_physical = false;
 
-	ret = i915_probe_agp(dev, &agp_size, &prealloc_size);
-	if (ret)
-		goto out;
-
 	/* Basic memrange allocator for stolen space (aka vram) */
 	drm_mm_init(&dev_priv->vram, 0, prealloc_size);
 
@@ -1067,7 +1059,7 @@ int i915_master_create(struct drm_device *dev, struct drm_master *master)
 {
 	struct drm_i915_master_private *master_priv;
 
-	master_priv = drm_calloc(1, sizeof(*master_priv), DRM_MEM_DRIVER);
+	master_priv = kzalloc(sizeof(*master_priv), GFP_KERNEL);
 	if (!master_priv)
 		return -ENOMEM;
 
@@ -1082,11 +1074,49 @@ void i915_master_destroy(struct drm_device *dev, struct drm_master *master)
 	if (!master_priv)
 		return;
 
-	drm_free(master_priv, sizeof(*master_priv), DRM_MEM_DRIVER);
+	kfree(master_priv);
 
 	master->driver_priv = NULL;
 }
 
+static void i915_get_mem_freq(struct drm_device *dev)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	u32 tmp;
+
+	if (!IS_IGD(dev))
+		return;
+
+	tmp = I915_READ(CLKCFG);
+
+	switch (tmp & CLKCFG_FSB_MASK) {
+	case CLKCFG_FSB_533:
+		dev_priv->fsb_freq = 533; /* 133*4 */
+		break;
+	case CLKCFG_FSB_800:
+		dev_priv->fsb_freq = 800; /* 200*4 */
+		break;
+	case CLKCFG_FSB_667:
+		dev_priv->fsb_freq =  667; /* 167*4 */
+		break;
+	case CLKCFG_FSB_400:
+		dev_priv->fsb_freq = 400; /* 100*4 */
+		break;
+	}
+
+	switch (tmp & CLKCFG_MEM_MASK) {
+	case CLKCFG_MEM_533:
+		dev_priv->mem_freq = 533;
+		break;
+	case CLKCFG_MEM_667:
+		dev_priv->mem_freq = 667;
+		break;
+	case CLKCFG_MEM_800:
+		dev_priv->mem_freq = 800;
+		break;
+	}
+}
+
 /**
  * i915_driver_load - setup chip and create an initial config
  * @dev: DRM device
@@ -1103,6 +1133,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	resource_size_t base, size;
 	int ret = 0, mmio_bar = IS_I9XX(dev) ? 0 : 1;
+	uint32_t agp_size, prealloc_size;
 
 	/* i915 has 4 more counters */
 	dev->counters += 4;
@@ -1111,12 +1142,10 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 	dev->types[8] = _DRM_STAT_SECONDARY;
 	dev->types[9] = _DRM_STAT_DMA;
 
-	dev_priv = drm_alloc(sizeof(drm_i915_private_t), DRM_MEM_DRIVER);
+	dev_priv = kzalloc(sizeof(drm_i915_private_t), GFP_KERNEL);
 	if (dev_priv == NULL)
 		return -ENOMEM;
 
-	memset(dev_priv, 0, sizeof(drm_i915_private_t));
-
 	dev->dev_private = (void *)dev_priv;
 	dev_priv->dev = dev;
 
@@ -1153,13 +1182,28 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 			 "performance may suffer.\n");
 	}
 
-#ifdef CONFIG_HIGHMEM64G
-	/* don't enable GEM on PAE - needs agp + set_memory_* interface fixes */
-	dev_priv->has_gem = 0;
-#else
+	ret = i915_probe_agp(dev, &agp_size, &prealloc_size);
+	if (ret)
+		goto out_iomapfree;
+
+	dev_priv->wq = create_workqueue("i915");
+	if (dev_priv->wq == NULL) {
+		DRM_ERROR("Failed to create our workqueue.\n");
+		ret = -ENOMEM;
+		goto out_iomapfree;
+	}
+
 	/* enable GEM by default */
 	dev_priv->has_gem = 1;
-#endif
+
+	if (prealloc_size > agp_size * 3 / 4) {
+		DRM_ERROR("Detected broken video BIOS with %d/%dkB of video "
+			  "memory stolen.\n",
+			  prealloc_size / 1024, agp_size / 1024);
+		DRM_ERROR("Disabling GEM. (try reducing stolen memory or "
+			  "updating the BIOS to fix).\n");
+		dev_priv->has_gem = 0;
+	}
 
 	dev->driver->get_vblank_counter = i915_get_vblank_counter;
 	dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
@@ -1174,9 +1218,11 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 	if (!I915_NEED_GFX_HWS(dev)) {
 		ret = i915_init_phys_hws(dev);
 		if (ret != 0)
-			goto out_iomapfree;
+			goto out_workqueue_free;
 	}
 
+	i915_get_mem_freq(dev);
+
 	/* On the 945G/GM, the chipset reports the MSI capability on the
 	 * integrated graphics even though the support isn't actually there
 	 * according to the published specs.  It doesn't appear to function
@@ -1192,6 +1238,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 		pci_enable_msi(dev->pdev);
 
 	spin_lock_init(&dev_priv->user_irq_lock);
+	spin_lock_init(&dev_priv->error_lock);
 	dev_priv->user_irq_refcount = 0;
 
 	ret = drm_vblank_init(dev, I915_NUM_PIPE);
@@ -1202,10 +1249,10 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 	}
 
 	if (drm_core_check_feature(dev, DRIVER_MODESET)) {
-		ret = i915_load_modeset_init(dev);
+		ret = i915_load_modeset_init(dev, prealloc_size, agp_size);
 		if (ret < 0) {
 			DRM_ERROR("failed to init modeset\n");
-			goto out_rmmap;
+			goto out_workqueue_free;
 		}
 	}
 
@@ -1216,12 +1263,14 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 
 	return 0;
 
+out_workqueue_free:
+	destroy_workqueue(dev_priv->wq);
 out_iomapfree:
 	io_mapping_free(dev_priv->mm.gtt_mapping);
 out_rmmap:
 	iounmap(dev_priv->regs);
 free_priv:
-	drm_free(dev_priv, sizeof(struct drm_i915_private), DRM_MEM_DRIVER);
+	kfree(dev_priv);
 	return ret;
 }
 
@@ -1229,6 +1278,8 @@ int i915_driver_unload(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
 
+	destroy_workqueue(dev_priv->wq);
+
 	io_mapping_free(dev_priv->mm.gtt_mapping);
 	if (dev_priv->mm.gtt_mtrr >= 0) {
 		mtrr_del(dev_priv->mm.gtt_mtrr, dev->agp->base,
@@ -1261,8 +1312,7 @@ int i915_driver_unload(struct drm_device *dev)
 		i915_gem_lastclose(dev);
 	}
 
-	drm_free(dev->dev_private, sizeof(drm_i915_private_t),
-		 DRM_MEM_DRIVER);
+	kfree(dev->dev_private);
 
 	return 0;
 }
@@ -1273,7 +1323,7 @@ int i915_driver_open(struct drm_device *dev, struct drm_file *file_priv)
 
 	DRM_DEBUG_DRIVER(I915_DRV, "\n");
 	i915_file_priv = (struct drm_i915_file_private *)
-	    drm_alloc(sizeof(*i915_file_priv), DRM_MEM_FILES);
+	    kmalloc(sizeof(*i915_file_priv), GFP_KERNEL);
 
 	if (!i915_file_priv)
 		return -ENOMEM;
@@ -1326,7 +1376,7 @@ void i915_driver_postclose(struct drm_device *dev, struct drm_file *file_priv)
 {
 	struct drm_i915_file_private *i915_file_priv = file_priv->driver_priv;
 
-	drm_free(i915_file_priv, sizeof(*i915_file_priv), DRM_MEM_FILES);
+	kfree(i915_file_priv);
 }
 
 struct drm_ioctl_desc i915_ioctls[] = {