Merge branch 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6

* 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (50 commits)
  drm: include kernel list header file in hashtab header
  drm: Export hash table functionality.
  drm: Split out the mm declarations in a separate header. Add atomic operations.
  drm/radeon: add support for RV790.
  drm/radeon: add rv740 drm support.
  drm_calloc_large: check right size, check integer overflow, use GFP_ZERO
  drm: Eliminate magic I2C frobbing when reading EDID
  drm/i915: duplicate desired mode for use by fbcon.
  drm/via: vfree() no need checking before calling it
  drm: Replace DRM_DEBUG with DRM_DEBUG_DRIVER in i915 driver
  drm: Replace DRM_DEBUG with DRM_DEBUG_MODE in drm_mode
  drm/i915: Replace DRM_DEBUG with DRM_DEBUG_KMS in intel_sdvo
  drm/i915: replace DRM_DEBUG with DRM_DEBUG_KMS in intel_lvds
  drm: add separate drm debugging levels
  radeon: remove _DRM_DRIVER from the preadded sarea map
  drm: don't associate _DRM_DRIVER maps with a master
  drm: simplify kcalloc() call to kzalloc().
  intelfb: fix spelling of "CLOCK"
  drm: fix LOCK_TEST_WITH_RETURN macro
  drm/i915: Hook connector to encoder during load detection (fixes tv/vga detect)
  ...

drivers/char/agp/intel-agp.c

@@ -46,6 +46,10 @@
 #define PCI_DEVICE_ID_INTEL_G45_IG          0x2E22
 #define PCI_DEVICE_ID_INTEL_G41_HB          0x2E30
 #define PCI_DEVICE_ID_INTEL_G41_IG          0x2E32
+#define PCI_DEVICE_ID_INTEL_IGDNG_D_HB	    0x0040
+#define PCI_DEVICE_ID_INTEL_IGDNG_D_IG	    0x0042
+#define PCI_DEVICE_ID_INTEL_IGDNG_M_HB	    0x0044
+#define PCI_DEVICE_ID_INTEL_IGDNG_M_IG	    0x0046
 
 /* cover 915 and 945 variants */
 #define IS_I915 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_E7221_HB || \
@@ -75,7 +79,9 @@
 		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q45_HB || \
 		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G45_HB || \
 		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_GM45_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G41_HB)
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G41_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGDNG_D_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGDNG_M_HB)
 
 extern int agp_memory_reserved;
 
@@ -1211,6 +1217,8 @@ static void intel_i965_get_gtt_range(int *gtt_offset, int *gtt_size)
 	case PCI_DEVICE_ID_INTEL_Q45_HB:
 	case PCI_DEVICE_ID_INTEL_G45_HB:
 	case PCI_DEVICE_ID_INTEL_G41_HB:
+	case PCI_DEVICE_ID_INTEL_IGDNG_D_HB:
+	case PCI_DEVICE_ID_INTEL_IGDNG_M_HB:
 		*gtt_offset = *gtt_size = MB(2);
 		break;
 	default:
@@ -2186,6 +2194,10 @@ static const struct intel_driver_description {
 	    "G45/G43", NULL, &intel_i965_driver },
 	{ PCI_DEVICE_ID_INTEL_G41_HB, PCI_DEVICE_ID_INTEL_G41_IG, 0,
 	    "G41", NULL, &intel_i965_driver },
+	{ PCI_DEVICE_ID_INTEL_IGDNG_D_HB, PCI_DEVICE_ID_INTEL_IGDNG_D_IG, 0,
+	    "IGDNG/D", NULL, &intel_i965_driver },
+	{ PCI_DEVICE_ID_INTEL_IGDNG_M_HB, PCI_DEVICE_ID_INTEL_IGDNG_M_IG, 0,
+	    "IGDNG/M", NULL, &intel_i965_driver },
 	{ 0, 0, 0, NULL, NULL, NULL }
 };
 
@@ -2387,6 +2399,8 @@ static struct pci_device_id agp_intel_pci_table[] = {
 	ID(PCI_DEVICE_ID_INTEL_Q45_HB),
 	ID(PCI_DEVICE_ID_INTEL_G45_HB),
 	ID(PCI_DEVICE_ID_INTEL_G41_HB),
+	ID(PCI_DEVICE_ID_INTEL_IGDNG_D_HB),
+	ID(PCI_DEVICE_ID_INTEL_IGDNG_M_HB),
 	{ }
 };
 

drivers/gpu/drm/drm_bufs.c

@@ -371,6 +371,7 @@ static int drm_addmap_core(struct drm_device * dev, resource_size_t offset,
 	list->user_token = list->hash.key << PAGE_SHIFT;
 	mutex_unlock(&dev->struct_mutex);
 
+	if (!(map->flags & _DRM_DRIVER))
 		list->master = dev->primary->master;
 	*maplist = list;
 	return 0;

drivers/gpu/drm/drm_edid.c

@@ -589,85 +589,13 @@ int drm_do_probe_ddc_edid(struct i2c_adapter *adapter,
 }
 EXPORT_SYMBOL(drm_do_probe_ddc_edid);
 
-/**
- * Get EDID information.
- *
- * \param adapter : i2c device adaptor.
- * \param buf     : EDID data buffer to be filled
- * \param len     : EDID data buffer length
- * \return 0 on success or -1 on failure.
- *
- * Initialize DDC, then fetch EDID information
- * by calling drm_do_probe_ddc_edid function.
- */
-static int drm_ddc_read(struct i2c_adapter *adapter,
-			unsigned char *buf, int len)
-{
-	struct i2c_algo_bit_data *algo_data = adapter->algo_data;
-	int i, j;
-	int ret = -1;
-
-	algo_data->setscl(algo_data->data, 1);
-
-	for (i = 0; i < 1; i++) {
-		/* For some old monitors we need the
-		 * following process to initialize/stop DDC
-		 */
-		algo_data->setsda(algo_data->data, 1);
-		msleep(13);
-
-		algo_data->setscl(algo_data->data, 1);
-		for (j = 0; j < 5; j++) {
-			msleep(10);
-			if (algo_data->getscl(algo_data->data))
-				break;
-		}
-		if (j == 5)
-			continue;
-
-		algo_data->setsda(algo_data->data, 0);
-		msleep(15);
-		algo_data->setscl(algo_data->data, 0);
-		msleep(15);
-		algo_data->setsda(algo_data->data, 1);
-		msleep(15);
-
-		/* Do the real work */
-		ret = drm_do_probe_ddc_edid(adapter, buf, len);
-		algo_data->setsda(algo_data->data, 0);
-		algo_data->setscl(algo_data->data, 0);
-		msleep(15);
-
-		algo_data->setscl(algo_data->data, 1);
-		for (j = 0; j < 10; j++) {
-			msleep(10);
-			if (algo_data->getscl(algo_data->data))
-				break;
-		}
-
-		algo_data->setsda(algo_data->data, 1);
-		msleep(15);
-		algo_data->setscl(algo_data->data, 0);
-		algo_data->setsda(algo_data->data, 0);
-		if (ret == 0)
-			break;
-	}
-	/* Release the DDC lines when done or the Apple Cinema HD display
-	 * will switch off
-	 */
-	algo_data->setsda(algo_data->data, 1);
-	algo_data->setscl(algo_data->data, 1);
-
-	return ret;
-}
-
 static int drm_ddc_read_edid(struct drm_connector *connector,
 			     struct i2c_adapter *adapter,
 			     char *buf, int len)
 {
 	int ret;
 
-	ret = drm_ddc_read(adapter, buf, len);
+	ret = drm_do_probe_ddc_edid(adapter, buf, len);
 	if (ret != 0) {
 		dev_info(&connector->dev->pdev->dev, "%s: no EDID data\n",
 			 drm_get_connector_name(connector));

drivers/gpu/drm/drm_gem.c

@@ -133,7 +133,7 @@ drm_gem_object_alloc(struct drm_device *dev, size_t size)
 
 	BUG_ON((size & (PAGE_SIZE - 1)) != 0);
 
-	obj = kcalloc(1, sizeof(*obj), GFP_KERNEL);
+	obj = kzalloc(sizeof(*obj), GFP_KERNEL);
 
 	obj->dev = dev;
 	obj->filp = shmem_file_setup("drm mm object", size, VM_NORESERVE);

drivers/gpu/drm/drm_hashtab.c

@@ -62,6 +62,7 @@ int drm_ht_create(struct drm_open_hash *ht, unsigned int order)
 	}
 	return 0;
 }
+EXPORT_SYMBOL(drm_ht_create);
 
 void drm_ht_verbose_list(struct drm_open_hash *ht, unsigned long key)
 {
@@ -156,6 +157,7 @@ int drm_ht_just_insert_please(struct drm_open_hash *ht, struct drm_hash_item *it
 	}
 	return 0;
 }
+EXPORT_SYMBOL(drm_ht_just_insert_please);
 
 int drm_ht_find_item(struct drm_open_hash *ht, unsigned long key,
 		     struct drm_hash_item **item)
@@ -169,6 +171,7 @@ int drm_ht_find_item(struct drm_open_hash *ht, unsigned long key,
 	*item = hlist_entry(list, struct drm_hash_item, head);
 	return 0;
 }
+EXPORT_SYMBOL(drm_ht_find_item);
 
 int drm_ht_remove_key(struct drm_open_hash *ht, unsigned long key)
 {
@@ -202,3 +205,4 @@ void drm_ht_remove(struct drm_open_hash *ht)
 		ht->table = NULL;
 	}
 }
+EXPORT_SYMBOL(drm_ht_remove);

drivers/gpu/drm/drm_mm.c

@@ -42,8 +42,11 @@
  */
 
 #include "drmP.h"
+#include "drm_mm.h"
 #include <linux/slab.h>
 
+#define MM_UNUSED_TARGET 4
+
 unsigned long drm_mm_tail_space(struct drm_mm *mm)
 {
 	struct list_head *tail_node;
@@ -74,16 +77,62 @@ int drm_mm_remove_space_from_tail(struct drm_mm *mm, unsigned long size)
 	return 0;
 }
 
+static struct drm_mm_node *drm_mm_kmalloc(struct drm_mm *mm, int atomic)
+{
+	struct drm_mm_node *child;
+
+	if (atomic)
+		child = kmalloc(sizeof(*child), GFP_ATOMIC);
+	else
+		child = kmalloc(sizeof(*child), GFP_KERNEL);
+
+	if (unlikely(child == NULL)) {
+		spin_lock(&mm->unused_lock);
+		if (list_empty(&mm->unused_nodes))
+			child = NULL;
+		else {
+			child =
+			    list_entry(mm->unused_nodes.next,
+				       struct drm_mm_node, fl_entry);
+			list_del(&child->fl_entry);
+			--mm->num_unused;
+		}
+		spin_unlock(&mm->unused_lock);
+	}
+	return child;
+}
+
+int drm_mm_pre_get(struct drm_mm *mm)
+{
+	struct drm_mm_node *node;
+
+	spin_lock(&mm->unused_lock);
+	while (mm->num_unused < MM_UNUSED_TARGET) {
+		spin_unlock(&mm->unused_lock);
+		node = kmalloc(sizeof(*node), GFP_KERNEL);
+		spin_lock(&mm->unused_lock);
+
+		if (unlikely(node == NULL)) {
+			int ret = (mm->num_unused < 2) ? -ENOMEM : 0;
+			spin_unlock(&mm->unused_lock);
+			return ret;
+		}
+		++mm->num_unused;
+		list_add_tail(&node->fl_entry, &mm->unused_nodes);
+	}
+	spin_unlock(&mm->unused_lock);
+	return 0;
+}
+EXPORT_SYMBOL(drm_mm_pre_get);
 
 static int drm_mm_create_tail_node(struct drm_mm *mm,
 				   unsigned long start,
-			    unsigned long size)
+				   unsigned long size, int atomic)
 {
 	struct drm_mm_node *child;
 
-	child = (struct drm_mm_node *)
-		drm_alloc(sizeof(*child), DRM_MEM_MM);
-	if (!child)
+	child = drm_mm_kmalloc(mm, atomic);
+	if (unlikely(child == NULL))
 		return -ENOMEM;
 
 	child->free = 1;
@@ -97,8 +146,7 @@ static int drm_mm_create_tail_node(struct drm_mm *mm,
 	return 0;
 }
 
-
-int drm_mm_add_space_to_tail(struct drm_mm *mm, unsigned long size)
+int drm_mm_add_space_to_tail(struct drm_mm *mm, unsigned long size, int atomic)
 {
 	struct list_head *tail_node;
 	struct drm_mm_node *entry;
@@ -106,20 +154,21 @@ int drm_mm_add_space_to_tail(struct drm_mm *mm, unsigned long size)
 	tail_node = mm->ml_entry.prev;
 	entry = list_entry(tail_node, struct drm_mm_node, ml_entry);
 	if (!entry->free) {
-		return drm_mm_create_tail_node(mm, entry->start + entry->size, size);
+		return drm_mm_create_tail_node(mm, entry->start + entry->size,
+					       size, atomic);
 	}
 	entry->size += size;
 	return 0;
 }
 
 static struct drm_mm_node *drm_mm_split_at_start(struct drm_mm_node *parent,
-					    unsigned long size)
+						 unsigned long size,
+						 int atomic)
 {
 	struct drm_mm_node *child;
 
-	child = (struct drm_mm_node *)
-		drm_alloc(sizeof(*child), DRM_MEM_MM);
-	if (!child)
+	child = drm_mm_kmalloc(parent->mm, atomic);
+	if (unlikely(child == NULL))
 		return NULL;
 
 	INIT_LIST_HEAD(&child->fl_entry);
@@ -151,8 +200,9 @@ struct drm_mm_node *drm_mm_get_block(struct drm_mm_node * parent,
 		tmp = parent->start % alignment;
 
 	if (tmp) {
-		align_splitoff = drm_mm_split_at_start(parent, alignment - tmp);
-		if (!align_splitoff)
+		align_splitoff =
+		    drm_mm_split_at_start(parent, alignment - tmp, 0);
+		if (unlikely(align_splitoff == NULL))
 			return NULL;
 	}
 
@@ -161,7 +211,7 @@ struct drm_mm_node *drm_mm_get_block(struct drm_mm_node * parent,
 		parent->free = 0;
 		return parent;
 	} else {
-		child = drm_mm_split_at_start(parent, size);
+		child = drm_mm_split_at_start(parent, size, 0);
 	}
 
 	if (align_splitoff)
@@ -169,14 +219,49 @@ struct drm_mm_node *drm_mm_get_block(struct drm_mm_node * parent,
 
 	return child;
 }
+
 EXPORT_SYMBOL(drm_mm_get_block);
 
+struct drm_mm_node *drm_mm_get_block_atomic(struct drm_mm_node *parent,
+					    unsigned long size,
+					    unsigned alignment)
+{
+
+	struct drm_mm_node *align_splitoff = NULL;
+	struct drm_mm_node *child;
+	unsigned tmp = 0;
+
+	if (alignment)
+		tmp = parent->start % alignment;
+
+	if (tmp) {
+		align_splitoff =
+		    drm_mm_split_at_start(parent, alignment - tmp, 1);
+		if (unlikely(align_splitoff == NULL))
+			return NULL;
+	}
+
+	if (parent->size == size) {
+		list_del_init(&parent->fl_entry);
+		parent->free = 0;
+		return parent;
+	} else {
+		child = drm_mm_split_at_start(parent, size, 1);
+	}
+
+	if (align_splitoff)
+		drm_mm_put_block(align_splitoff);
+
+	return child;
+}
+EXPORT_SYMBOL(drm_mm_get_block_atomic);
+
 /*
  * Put a block. Merge with the previous and / or next block if they are free.
  * Otherwise add to the free stack.
  */
 
-void drm_mm_put_block(struct drm_mm_node * cur)
+void drm_mm_put_block(struct drm_mm_node *cur)
 {
 
 	struct drm_mm *mm = cur->mm;
@@ -188,21 +273,27 @@ void drm_mm_put_block(struct drm_mm_node * cur)
 	int merged = 0;
 
 	if (cur_head->prev != root_head) {
-		prev_node = list_entry(cur_head->prev, struct drm_mm_node, ml_entry);
+		prev_node =
+		    list_entry(cur_head->prev, struct drm_mm_node, ml_entry);
 		if (prev_node->free) {
 			prev_node->size += cur->size;
 			merged = 1;
 		}
 	}
 	if (cur_head->next != root_head) {
-		next_node = list_entry(cur_head->next, struct drm_mm_node, ml_entry);
+		next_node =
+		    list_entry(cur_head->next, struct drm_mm_node, ml_entry);
 		if (next_node->free) {
 			if (merged) {
 				prev_node->size += next_node->size;
 				list_del(&next_node->ml_entry);
 				list_del(&next_node->fl_entry);
-				drm_free(next_node, sizeof(*next_node),
-					 DRM_MEM_MM);
+				if (mm->num_unused < MM_UNUSED_TARGET) {
+					list_add(&next_node->fl_entry,
+						 &mm->unused_nodes);
+					++mm->num_unused;
+				} else
+					kfree(next_node);
 			} else {
 				next_node->size += cur->size;
 				next_node->start = cur->start;
@@ -215,12 +306,17 @@ void drm_mm_put_block(struct drm_mm_node * cur)
 		list_add(&cur->fl_entry, &mm->fl_entry);
 	} else {
 		list_del(&cur->ml_entry);
-		drm_free(cur, sizeof(*cur), DRM_MEM_MM);
+		if (mm->num_unused < MM_UNUSED_TARGET) {
+			list_add(&cur->fl_entry, &mm->unused_nodes);
+			++mm->num_unused;
+		} else
+			kfree(cur);
 	}
 }
+
 EXPORT_SYMBOL(drm_mm_put_block);
 
-struct drm_mm_node *drm_mm_search_free(const struct drm_mm * mm,
+struct drm_mm_node *drm_mm_search_free(const struct drm_mm *mm,
 				       unsigned long size,
 				       unsigned alignment, int best_match)
 {
@@ -247,7 +343,6 @@ struct drm_mm_node *drm_mm_search_free(const struct drm_mm * mm,
 				wasted += alignment - tmp;
 		}
 
-
 		if (entry->size >= size + wasted) {
 			if (!best_match)
 				return entry;
@@ -260,6 +355,7 @@ struct drm_mm_node *drm_mm_search_free(const struct drm_mm * mm,
 
 	return best;
 }
+EXPORT_SYMBOL(drm_mm_search_free);
 
 int drm_mm_clean(struct drm_mm * mm)
 {
@@ -267,14 +363,17 @@ int drm_mm_clean(struct drm_mm * mm)
 
 	return (head->next->next == head);
 }
-EXPORT_SYMBOL(drm_mm_search_free);
+EXPORT_SYMBOL(drm_mm_clean);
 
 int drm_mm_init(struct drm_mm * mm, unsigned long start, unsigned long size)
 {
 	INIT_LIST_HEAD(&mm->ml_entry);
 	INIT_LIST_HEAD(&mm->fl_entry);
+	INIT_LIST_HEAD(&mm->unused_nodes);
+	mm->num_unused = 0;
+	spin_lock_init(&mm->unused_lock);
 
-	return drm_mm_create_tail_node(mm, start, size);
+	return drm_mm_create_tail_node(mm, start, size, 0);
 }
 EXPORT_SYMBOL(drm_mm_init);
 
@@ -282,6 +381,7 @@ void drm_mm_takedown(struct drm_mm * mm)
 {
 	struct list_head *bnode = mm->fl_entry.next;
 	struct drm_mm_node *entry;
+	struct drm_mm_node *next;
 
 	entry = list_entry(bnode, struct drm_mm_node, fl_entry);
 
@@ -293,7 +393,16 @@ void drm_mm_takedown(struct drm_mm * mm)
 
 	list_del(&entry->fl_entry);
 	list_del(&entry->ml_entry);
+	kfree(entry);
+
+	spin_lock(&mm->unused_lock);
+	list_for_each_entry_safe(entry, next, &mm->unused_nodes, fl_entry) {
+		list_del(&entry->fl_entry);
+		kfree(entry);
+		--mm->num_unused;
+	}
+	spin_unlock(&mm->unused_lock);
 
-	drm_free(entry, sizeof(*entry), DRM_MEM_MM);
+	BUG_ON(mm->num_unused != 0);
 }
 EXPORT_SYMBOL(drm_mm_takedown);

drivers/gpu/drm/drm_modes.c

@@ -38,6 +38,7 @@
 #include "drm.h"
 #include "drm_crtc.h"
 
+#define DRM_MODESET_DEBUG	"drm_mode"
 /**
  * drm_mode_debug_printmodeline - debug print a mode
  * @dev: DRM device
@@ -50,7 +51,8 @@
  */
 void drm_mode_debug_printmodeline(struct drm_display_mode *mode)
 {
-	DRM_DEBUG("Modeline %d:\"%s\" %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x\n",
+	DRM_DEBUG_MODE(DRM_MODESET_DEBUG,
+		"Modeline %d:\"%s\" %d %d %d %d %d %d %d %d %d %d 0x%x 0x%x\n",
 		mode->base.id, mode->name, mode->vrefresh, mode->clock,
 		mode->hdisplay, mode->hsync_start,
 		mode->hsync_end, mode->htotal,
@@ -401,7 +403,9 @@ void drm_mode_prune_invalid(struct drm_device *dev,
 			list_del(&mode->head);
 			if (verbose) {
 				drm_mode_debug_printmodeline(mode);
-				DRM_DEBUG("Not using %s mode %d\n", mode->name, mode->status);
+				DRM_DEBUG_MODE(DRM_MODESET_DEBUG,
+					"Not using %s mode %d\n",
+					mode->name, mode->status);
 			}
 			drm_mode_destroy(dev, mode);
 		}

drivers/gpu/drm/drm_stub.c

@@ -51,7 +51,22 @@ struct idr drm_minors_idr;
 struct class *drm_class;
 struct proc_dir_entry *drm_proc_root;
 struct dentry *drm_debugfs_root;
-
+void drm_ut_debug_printk(unsigned int request_level,
+			 const char *prefix,
+			 const char *function_name,
+			 const char *format, ...)
+{
+	va_list args;
+
+	if (drm_debug & request_level) {
+		if (function_name)
+			printk(KERN_DEBUG "[%s:%s], ", prefix, function_name);
+		va_start(args, format);
+		vprintk(format, args);
+		va_end(args);
+	}
+}
+EXPORT_SYMBOL(drm_ut_debug_printk);
 static int drm_minor_get_id(struct drm_device *dev, int type)
 {
 	int new_id;

drivers/gpu/drm/i915/i915_dma.c

@@ -33,6 +33,8 @@
 #include "i915_drm.h"
 #include "i915_drv.h"
 
+#define I915_DRV	"i915_drv"
+
 /* Really want an OS-independent resettable timer.  Would like to have
  * this loop run for (eg) 3 sec, but have the timer reset every time
  * the head pointer changes, so that EBUSY only happens if the ring
@@ -99,7 +101,7 @@ static int i915_init_phys_hws(struct drm_device *dev)
 	memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
 
 	I915_WRITE(HWS_PGA, dev_priv->dma_status_page);
-	DRM_DEBUG("Enabled hardware status page\n");
+	DRM_DEBUG_DRIVER(I915_DRV, "Enabled hardware status page\n");
 	return 0;
 }
 
@@ -185,7 +187,8 @@ static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init)
 		master_priv->sarea_priv = (drm_i915_sarea_t *)
 			((u8 *)master_priv->sarea->handle + init->sarea_priv_offset);
 	} else {
-		DRM_DEBUG("sarea not found assuming DRI2 userspace\n");
+		DRM_DEBUG_DRIVER(I915_DRV,
+				"sarea not found assuming DRI2 userspace\n");
 	}
 
 	if (init->ring_size != 0) {
@@ -235,7 +238,7 @@ static int i915_dma_resume(struct drm_device * dev)
 {
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
 
-	DRM_DEBUG("%s\n", __func__);
+	DRM_DEBUG_DRIVER(I915_DRV, "%s\n", __func__);
 
 	if (dev_priv->ring.map.handle == NULL) {
 		DRM_ERROR("can not ioremap virtual address for"
@@ -248,13 +251,14 @@ static int i915_dma_resume(struct drm_device * dev)
 		DRM_ERROR("Can not find hardware status page\n");
 		return -EINVAL;
 	}
-	DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page);
+	DRM_DEBUG_DRIVER(I915_DRV, "hw status page @ %p\n",
+				dev_priv->hw_status_page);
 
 	if (dev_priv->status_gfx_addr != 0)
 		I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr);
 	else
 		I915_WRITE(HWS_PGA, dev_priv->dma_status_page);
-	DRM_DEBUG("Enabled hardware status page\n");
+	DRM_DEBUG_DRIVER(I915_DRV, "Enabled hardware status page\n");
 
 	return 0;
 }
@@ -548,7 +552,7 @@ static int i915_dispatch_flip(struct drm_device * dev)
 	if (!master_priv->sarea_priv)
 		return -EINVAL;
 
-	DRM_DEBUG("%s: page=%d pfCurrentPage=%d\n",
+	DRM_DEBUG_DRIVER(I915_DRV, "%s: page=%d pfCurrentPage=%d\n",
 			  __func__,
 			 dev_priv->current_page,
 			 master_priv->sarea_priv->pf_current_page);
@@ -629,7 +633,8 @@ static int i915_batchbuffer(struct drm_device *dev, void *data,
 		return -EINVAL;
 	}
 
-	DRM_DEBUG("i915 batchbuffer, start %x used %d cliprects %d\n",
+	DRM_DEBUG_DRIVER(I915_DRV,
+			"i915 batchbuffer, start %x used %d cliprects %d\n",
 			batch->start, batch->used, batch->num_cliprects);
 
 	RING_LOCK_TEST_WITH_RETURN(dev, file_priv);
@@ -678,7 +683,8 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data,
 	void *batch_data;
 	int ret;
 
-	DRM_DEBUG("i915 cmdbuffer, buf %p sz %d cliprects %d\n",
+	DRM_DEBUG_DRIVER(I915_DRV,
+			"i915 cmdbuffer, buf %p sz %d cliprects %d\n",
 			cmdbuf->buf, cmdbuf->sz, cmdbuf->num_cliprects);
 
 	RING_LOCK_TEST_WITH_RETURN(dev, file_priv);
@@ -734,7 +740,7 @@ static int i915_flip_bufs(struct drm_device *dev, void *data,
 {
 	int ret;
 
-	DRM_DEBUG("%s\n", __func__);
+	DRM_DEBUG_DRIVER(I915_DRV, "%s\n", __func__);
 
 	RING_LOCK_TEST_WITH_RETURN(dev, file_priv);
 
@@ -777,7 +783,8 @@ static int i915_getparam(struct drm_device *dev, void *data,
 		value = dev_priv->num_fence_regs - dev_priv->fence_reg_start;
 		break;
 	default:
-		DRM_DEBUG("Unknown parameter %d\n", param->param);
+		DRM_DEBUG_DRIVER(I915_DRV, "Unknown parameter %d\n",
+					param->param);
 		return -EINVAL;
 	}
 
@@ -817,7 +824,8 @@ static int i915_setparam(struct drm_device *dev, void *data,
 		dev_priv->fence_reg_start = param->value;
 		break;
 	default:
-		DRM_DEBUG("unknown parameter %d\n", param->param);
+		DRM_DEBUG_DRIVER(I915_DRV, "unknown parameter %d\n",
+					param->param);
 		return -EINVAL;
 	}
 
@@ -865,9 +873,10 @@ static int i915_set_status_page(struct drm_device *dev, void *data,
 
 	memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
 	I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr);
-	DRM_DEBUG("load hws HWS_PGA with gfx mem 0x%x\n",
+	DRM_DEBUG_DRIVER(I915_DRV, "load hws HWS_PGA with gfx mem 0x%x\n",
 				dev_priv->status_gfx_addr);
-	DRM_DEBUG("load hws at %p\n", dev_priv->hw_status_page);
+	DRM_DEBUG_DRIVER(I915_DRV, "load hws at %p\n",
+				dev_priv->hw_status_page);
 	return 0;
 }
 
@@ -922,7 +931,7 @@ static int i915_probe_agp(struct drm_device *dev, unsigned long *aperture_size,
 	 * Some of the preallocated space is taken by the GTT
 	 * and popup.  GTT is 1K per MB of aperture size, and popup is 4K.
 	 */
-	if (IS_G4X(dev) || IS_IGD(dev))
+	if (IS_G4X(dev) || IS_IGD(dev) || IS_IGDNG(dev))
 		overhead = 4096;
 	else
 		overhead = (*aperture_size / 1024) + 4096;
@@ -1153,8 +1162,11 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 #endif
 
 	dev->driver->get_vblank_counter = i915_get_vblank_counter;
-	if (IS_GM45(dev))
+	dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
+	if (IS_G4X(dev) || IS_IGDNG(dev)) {
+		dev->max_vblank_count = 0xffffffff; /* full 32 bit counter */
 		dev->driver->get_vblank_counter = gm45_get_vblank_counter;
+	}
 
 	i915_gem_load(dev);
 
@@ -1198,6 +1210,8 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 	}
 
 	/* Must be done after probing outputs */
+	/* FIXME: verify on IGDNG */
+	if (!IS_IGDNG(dev))
 		intel_opregion_init(dev, 0);
 
 	return 0;
@@ -1232,6 +1246,7 @@ int i915_driver_unload(struct drm_device *dev)
 	if (dev_priv->regs != NULL)
 		iounmap(dev_priv->regs);
 
+	if (!IS_IGDNG(dev))
 		intel_opregion_free(dev, 0);
 
 	if (drm_core_check_feature(dev, DRIVER_MODESET)) {
@@ -1256,7 +1271,7 @@ int i915_driver_open(struct drm_device *dev, struct drm_file *file_priv)
 {
 	struct drm_i915_file_private *i915_file_priv;
 
-	DRM_DEBUG("\n");
+	DRM_DEBUG_DRIVER(I915_DRV, "\n");
 	i915_file_priv = (struct drm_i915_file_private *)
 	    drm_alloc(sizeof(*i915_file_priv), DRM_MEM_FILES);
 
@@ -1265,8 +1280,7 @@ int i915_driver_open(struct drm_device *dev, struct drm_file *file_priv)
 
 	file_priv->driver_priv = i915_file_priv;
 
-	i915_file_priv->mm.last_gem_seqno = 0;
-	i915_file_priv->mm.last_gem_throttle_seqno = 0;
+	INIT_LIST_HEAD(&i915_file_priv->mm.request_list);
 
 	return 0;
 }
@@ -1303,6 +1317,7 @@ void i915_driver_lastclose(struct drm_device * dev)
 void i915_driver_preclose(struct drm_device * dev, struct drm_file *file_priv)
 {
 	drm_i915_private_t *dev_priv = dev->dev_private;
+	i915_gem_release(dev, file_priv);
 	if (!drm_core_check_feature(dev, DRIVER_MODESET))
 		i915_mem_release(dev, file_priv, dev_priv->agp_heap);
 }

drivers/gpu/drm/i915/i915_drv.h

@@ -126,6 +126,13 @@ struct drm_i915_fence_reg {
 	struct drm_gem_object *obj;
 };
 
+struct sdvo_device_mapping {
+	u8 dvo_port;
+	u8 slave_addr;
+	u8 dvo_wiring;
+	u8 initialized;
+};
+
 typedef struct drm_i915_private {
 	struct drm_device *dev;
 
@@ -143,6 +150,8 @@ typedef struct drm_i915_private {
 	drm_local_map_t hws_map;
 	struct drm_gem_object *hws_obj;
 
+	struct resource mch_res;
+
 	unsigned int cpp;
 	int back_offset;
 	int front_offset;
@@ -158,6 +167,11 @@ typedef struct drm_i915_private {
 	/** Cached value of IMR to avoid reads in updating the bitfield */
 	u32 irq_mask_reg;
 	u32 pipestat[2];
+	/** splitted irq regs for graphics and display engine on IGDNG,
+	    irq_mask_reg is still used for display irq. */
+	u32 gt_irq_mask_reg;
+	u32 gt_irq_enable_reg;
+	u32 de_irq_enable_reg;
 
 	u32 hotplug_supported_mask;
 	struct work_struct hotplug_work;
@@ -285,6 +299,13 @@ typedef struct drm_i915_private {
 	u8 saveDACMASK;
 	u8 saveCR[37];
 	uint64_t saveFENCE[16];
+	u32 saveCURACNTR;
+	u32 saveCURAPOS;
+	u32 saveCURABASE;
+	u32 saveCURBCNTR;
+	u32 saveCURBPOS;
+	u32 saveCURBBASE;
+	u32 saveCURSIZE;
 
 	struct {
 		struct drm_mm gtt_space;
@@ -382,6 +403,7 @@ typedef struct drm_i915_private {
 		/* storage for physical objects */
 		struct drm_i915_gem_phys_object *phys_objs[I915_MAX_PHYS_OBJECT];
 	} mm;
+	struct sdvo_device_mapping sdvo_mappings[2];
 } drm_i915_private_t;
 
 /** driver private structure attached to each drm_gem_object */
@@ -491,13 +513,16 @@ struct drm_i915_gem_request {
 	/** Time at which this request was emitted, in jiffies. */
 	unsigned long emitted_jiffies;
 
+	/** global list entry for this request */
 	struct list_head list;
+
+	/** file_priv list entry for this request */
+	struct list_head client_list;
 };
 
 struct drm_i915_file_private {
 	struct {
-		uint32_t last_gem_seqno;
-		uint32_t last_gem_throttle_seqno;
+		struct list_head request_list;
 	} mm;
 };
 
@@ -642,6 +667,7 @@ void i915_gem_detach_phys_object(struct drm_device *dev,
 void i915_gem_free_all_phys_object(struct drm_device *dev);
 int i915_gem_object_get_pages(struct drm_gem_object *obj);
 void i915_gem_object_put_pages(struct drm_gem_object *obj);
+void i915_gem_release(struct drm_device * dev, struct drm_file *file_priv);
 
 /* i915_gem_tiling.c */
 void i915_gem_detect_bit_6_swizzle(struct drm_device *dev);
@@ -785,7 +811,9 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
 		       (dev)->pci_device == 0x2E02 || \
 		       (dev)->pci_device == 0x2E12 || \
 		       (dev)->pci_device == 0x2E22 || \
-		       (dev)->pci_device == 0x2E32)
+		       (dev)->pci_device == 0x2E32 || \
+		       (dev)->pci_device == 0x0042 || \
+		       (dev)->pci_device == 0x0046)
 
 #define IS_I965GM(dev) ((dev)->pci_device == 0x2A02 || \
 			(dev)->pci_device == 0x2A12)
@@ -807,20 +835,26 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
 			(dev)->pci_device == 0x29D2 ||  \
 			(IS_IGD(dev)))
 
+#define IS_IGDNG_D(dev)	((dev)->pci_device == 0x0042)
+#define IS_IGDNG_M(dev)	((dev)->pci_device == 0x0046)
+#define IS_IGDNG(dev)	(IS_IGDNG_D(dev) || IS_IGDNG_M(dev))
+
 #define IS_I9XX(dev) (IS_I915G(dev) || IS_I915GM(dev) || IS_I945G(dev) || \
-		      IS_I945GM(dev) || IS_I965G(dev) || IS_G33(dev))
+		      IS_I945GM(dev) || IS_I965G(dev) || IS_G33(dev) || \
+		      IS_IGDNG(dev))
 
 #define IS_MOBILE(dev) (IS_I830(dev) || IS_I85X(dev) || IS_I915GM(dev) || \
 			IS_I945GM(dev) || IS_I965GM(dev) || IS_GM45(dev) || \
-			IS_IGD(dev))
+			IS_IGD(dev) || IS_IGDNG_M(dev))
 
-#define I915_NEED_GFX_HWS(dev) (IS_G33(dev) || IS_GM45(dev) || IS_G4X(dev))
+#define I915_NEED_GFX_HWS(dev) (IS_G33(dev) || IS_GM45(dev) || IS_G4X(dev) || \
+				IS_IGDNG(dev))
 /* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte
  * rows, which changed the alignment requirements and fence programming.
  */
 #define HAS_128_BYTE_Y_TILING(dev) (IS_I9XX(dev) && !(IS_I915G(dev) || \
 						      IS_I915GM(dev)))
-#define SUPPORTS_INTEGRATED_HDMI(dev)	(IS_G4X(dev))
+#define SUPPORTS_INTEGRATED_HDMI(dev)	(IS_G4X(dev) || IS_IGDNG(dev))
 #define I915_HAS_HOTPLUG(dev) (IS_I945G(dev) || IS_I945GM(dev) || IS_I965G(dev))
 
 #define PRIMARY_RINGBUFFER_SIZE         (128*1024)

drivers/gpu/drm/i915/i915_gem.c

@@ -989,10 +989,10 @@ i915_gem_set_domain_ioctl(struct drm_device *dev, void *data,
 		return -ENODEV;
 
 	/* Only handle setting domains to types used by the CPU. */
-	if (write_domain & ~(I915_GEM_DOMAIN_CPU | I915_GEM_DOMAIN_GTT))
+	if (write_domain & I915_GEM_GPU_DOMAINS)
 		return -EINVAL;
 
-	if (read_domains & ~(I915_GEM_DOMAIN_CPU | I915_GEM_DOMAIN_GTT))
+	if (read_domains & I915_GEM_GPU_DOMAINS)
 		return -EINVAL;
 
 	/* Having something in the write domain implies it's in the read
@@ -1481,14 +1481,19 @@ i915_gem_object_move_to_inactive(struct drm_gem_object *obj)
  * Returned sequence numbers are nonzero on success.
  */
 static uint32_t
-i915_add_request(struct drm_device *dev, uint32_t flush_domains)
+i915_add_request(struct drm_device *dev, struct drm_file *file_priv,
+		 uint32_t flush_domains)
 {
 	drm_i915_private_t *dev_priv = dev->dev_private;
+	struct drm_i915_file_private *i915_file_priv = NULL;
 	struct drm_i915_gem_request *request;
 	uint32_t seqno;
 	int was_empty;
 	RING_LOCALS;
 
+	if (file_priv != NULL)
+		i915_file_priv = file_priv->driver_priv;
+
 	request = drm_calloc(1, sizeof(*request), DRM_MEM_DRIVER);
 	if (request == NULL)
 		return 0;
@@ -1515,6 +1520,12 @@ i915_add_request(struct drm_device *dev, uint32_t flush_domains)
 	request->emitted_jiffies = jiffies;
 	was_empty = list_empty(&dev_priv->mm.request_list);
 	list_add_tail(&request->list, &dev_priv->mm.request_list);
+	if (i915_file_priv) {
+		list_add_tail(&request->client_list,
+			      &i915_file_priv->mm.request_list);
+	} else {
+		INIT_LIST_HEAD(&request->client_list);
+	}
 
 	/* Associate any objects on the flushing list matching the write
 	 * domain we're flushing with our flush.
@@ -1664,6 +1675,7 @@ i915_gem_retire_requests(struct drm_device *dev)
 			i915_gem_retire_request(dev, request);
 
 			list_del(&request->list);
+			list_del(&request->client_list);
 			drm_free(request, sizeof(*request), DRM_MEM_DRIVER);
 		} else
 			break;
@@ -1702,6 +1714,9 @@ i915_wait_request(struct drm_device *dev, uint32_t seqno)
 	BUG_ON(seqno == 0);
 
 	if (!i915_seqno_passed(i915_get_gem_seqno(dev), seqno)) {
+		if (IS_IGDNG(dev))
+			ier = I915_READ(DEIER) | I915_READ(GTIER);
+		else
 			ier = I915_READ(IER);
 		if (!ier) {
 			DRM_ERROR("something (likely vbetool) disabled "
@@ -1754,8 +1769,7 @@ i915_gem_flush(struct drm_device *dev,
 	if (flush_domains & I915_GEM_DOMAIN_CPU)
 		drm_agp_chipset_flush(dev);
 
-	if ((invalidate_domains | flush_domains) & ~(I915_GEM_DOMAIN_CPU |
-						     I915_GEM_DOMAIN_GTT)) {
+	if ((invalidate_domains | flush_domains) & I915_GEM_GPU_DOMAINS) {
 		/*
 		 * read/write caches:
 		 *
@@ -1977,7 +1991,7 @@ i915_gem_evict_something(struct drm_device *dev)
 			i915_gem_flush(dev,
 				       obj->write_domain,
 				       obj->write_domain);
-			i915_add_request(dev, obj->write_domain);
+			i915_add_request(dev, NULL, obj->write_domain);
 
 			obj = NULL;
 			continue;
@@ -1991,7 +2005,7 @@ i915_gem_evict_something(struct drm_device *dev)
 		/* If we didn't do any of the above, there's nothing to be done
 		 * and we just can't fit it in.
 		 */
-		return -ENOMEM;
+		return -ENOSPC;
 	}
 	return ret;
 }
@@ -2006,7 +2020,7 @@ i915_gem_evict_everything(struct drm_device *dev)
 		if (ret != 0)
 			break;
 	}
-	if (ret == -ENOMEM)
+	if (ret == -ENOSPC)
 		return 0;
 	return ret;
 }
@@ -2215,7 +2229,7 @@ i915_gem_object_get_fence_reg(struct drm_gem_object *obj, bool write)
 		loff_t offset;
 
 		if (avail == 0)
-			return -ENOMEM;
+			return -ENOSPC;
 
 		for (i = dev_priv->fence_reg_start;
 		     i < dev_priv->num_fence_regs; i++) {
@@ -2248,7 +2262,7 @@ i915_gem_object_get_fence_reg(struct drm_gem_object *obj, bool write)
 				i915_gem_flush(dev,
 					       I915_GEM_GPU_DOMAINS,
 					       I915_GEM_GPU_DOMAINS);
-				seqno = i915_add_request(dev,
+				seqno = i915_add_request(dev, NULL,
 							 I915_GEM_GPU_DOMAINS);
 				if (seqno == 0)
 					return -ENOMEM;
@@ -2364,7 +2378,7 @@ i915_gem_object_bind_to_gtt(struct drm_gem_object *obj, unsigned alignment)
 		spin_unlock(&dev_priv->mm.active_list_lock);
 		if (lists_empty) {
 			DRM_ERROR("GTT full, but LRU list empty\n");
-			return -ENOMEM;
+			return -ENOSPC;
 		}
 
 		ret = i915_gem_evict_something(dev);
@@ -2409,8 +2423,8 @@ i915_gem_object_bind_to_gtt(struct drm_gem_object *obj, unsigned alignment)
 	 * wasn't in the GTT, there shouldn't be any way it could have been in
 	 * a GPU cache
 	 */
-	BUG_ON(obj->read_domains & ~(I915_GEM_DOMAIN_CPU|I915_GEM_DOMAIN_GTT));
-	BUG_ON(obj->write_domain & ~(I915_GEM_DOMAIN_CPU|I915_GEM_DOMAIN_GTT));
+	BUG_ON(obj->read_domains & I915_GEM_GPU_DOMAINS);
+	BUG_ON(obj->write_domain & I915_GEM_GPU_DOMAINS);
 
 	return 0;
 }
@@ -2452,7 +2466,7 @@ i915_gem_object_flush_gpu_write_domain(struct drm_gem_object *obj)
 
 	/* Queue the GPU write cache flushing we need. */
 	i915_gem_flush(dev, 0, obj->write_domain);
-	seqno = i915_add_request(dev, obj->write_domain);
+	seqno = i915_add_request(dev, NULL, obj->write_domain);
 	obj->write_domain = 0;
 	i915_gem_object_move_to_active(obj, seqno);
 }
@@ -3041,14 +3055,6 @@ i915_dispatch_gem_execbuffer(struct drm_device *dev,
 	exec_start = (uint32_t) exec_offset + exec->batch_start_offset;
 	exec_len = (uint32_t) exec->batch_len;
 
-	if ((exec_start | exec_len) & 0x7) {
-		DRM_ERROR("alignment\n");
-		return -EINVAL;
-	}
-
-	if (!exec_start)
-		return -EINVAL;
-
 	count = nbox ? nbox : 1;
 
 	for (i = 0; i < count; i++) {
@@ -3089,6 +3095,10 @@ i915_dispatch_gem_execbuffer(struct drm_device *dev,
 /* Throttle our rendering by waiting until the ring has completed our requests
  * emitted over 20 msec ago.
  *
+ * Note that if we were to use the current jiffies each time around the loop,
+ * we wouldn't escape the function with any frames outstanding if the time to
+ * render a frame was over 20ms.
+ *
  * This should get us reasonable parallelism between CPU and GPU but also
  * relatively low latency when blocking on a particular request to finish.
  */
@@ -3097,15 +3107,25 @@ i915_gem_ring_throttle(struct drm_device *dev, struct drm_file *file_priv)
 {
 	struct drm_i915_file_private *i915_file_priv = file_priv->driver_priv;
 	int ret = 0;
-	uint32_t seqno;
+	unsigned long recent_enough = jiffies - msecs_to_jiffies(20);
 
 	mutex_lock(&dev->struct_mutex);
-	seqno = i915_file_priv->mm.last_gem_throttle_seqno;
-	i915_file_priv->mm.last_gem_throttle_seqno =
-		i915_file_priv->mm.last_gem_seqno;
-	if (seqno)
-		ret = i915_wait_request(dev, seqno);
+	while (!list_empty(&i915_file_priv->mm.request_list)) {
+		struct drm_i915_gem_request *request;
+
+		request = list_first_entry(&i915_file_priv->mm.request_list,
+					   struct drm_i915_gem_request,
+					   client_list);
+
+		if (time_after_eq(request->emitted_jiffies, recent_enough))
+			break;
+
+		ret = i915_wait_request(dev, request->seqno);
+		if (ret != 0)
+			break;
+	}
 	mutex_unlock(&dev->struct_mutex);
+
 	return ret;
 }
 
@@ -3182,12 +3202,29 @@ i915_gem_put_relocs_to_user(struct drm_i915_gem_exec_object *exec_list,
 	return ret;
 }
 
+static int
+i915_gem_check_execbuffer (struct drm_i915_gem_execbuffer *exec,
+			   uint64_t exec_offset)
+{
+	uint32_t exec_start, exec_len;
+
+	exec_start = (uint32_t) exec_offset + exec->batch_start_offset;
+	exec_len = (uint32_t) exec->batch_len;
+
+	if ((exec_start | exec_len) & 0x7)
+		return -EINVAL;
+
+	if (!exec_start)
+		return -EINVAL;
+
+	return 0;
+}
+
 int
 i915_gem_execbuffer(struct drm_device *dev, void *data,
 		    struct drm_file *file_priv)
 {
 	drm_i915_private_t *dev_priv = dev->dev_private;
-	struct drm_i915_file_private *i915_file_priv = file_priv->driver_priv;
 	struct drm_i915_gem_execbuffer *args = data;
 	struct drm_i915_gem_exec_object *exec_list = NULL;
 	struct drm_gem_object **object_list = NULL;
@@ -3312,7 +3349,7 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
 			break;
 
 		/* error other than GTT full, or we've already tried again */
-		if (ret != -ENOMEM || pin_tries >= 1) {
+		if (ret != -ENOSPC || pin_tries >= 1) {
 			if (ret != -ERESTARTSYS)
 				DRM_ERROR("Failed to pin buffers %d\n", ret);
 			goto err;
@@ -3331,8 +3368,20 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
 
 	/* Set the pending read domains for the batch buffer to COMMAND */
 	batch_obj = object_list[args->buffer_count-1];
-	batch_obj->pending_read_domains = I915_GEM_DOMAIN_COMMAND;
-	batch_obj->pending_write_domain = 0;
+	if (batch_obj->pending_write_domain) {
+		DRM_ERROR("Attempting to use self-modifying batch buffer\n");
+		ret = -EINVAL;
+		goto err;
+	}
+	batch_obj->pending_read_domains |= I915_GEM_DOMAIN_COMMAND;
+
+	/* Sanity check the batch buffer, prior to moving objects */
+	exec_offset = exec_list[args->buffer_count - 1].offset;
+	ret = i915_gem_check_execbuffer (args, exec_offset);
+	if (ret != 0) {
+		DRM_ERROR("execbuf with invalid offset/length\n");
+		goto err;
+	}
 
 	i915_verify_inactive(dev, __FILE__, __LINE__);
 
@@ -3363,7 +3412,8 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
 			       dev->invalidate_domains,
 			       dev->flush_domains);
 		if (dev->flush_domains)
-			(void)i915_add_request(dev, dev->flush_domains);
+			(void)i915_add_request(dev, file_priv,
+					       dev->flush_domains);
 	}
 
 	for (i = 0; i < args->buffer_count; i++) {
@@ -3381,8 +3431,6 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
 	}
 #endif
 
-	exec_offset = exec_list[args->buffer_count - 1].offset;
-
 #if WATCH_EXEC
 	i915_gem_dump_object(batch_obj,
 			      args->batch_len,
@@ -3412,9 +3460,8 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
 	 * *some* interrupts representing completion of buffers that we can
 	 * wait on when trying to clear up gtt space).
 	 */
-	seqno = i915_add_request(dev, flush_domains);
+	seqno = i915_add_request(dev, file_priv, flush_domains);
 	BUG_ON(seqno == 0);
-	i915_file_priv->mm.last_gem_seqno = seqno;
 	for (i = 0; i < args->buffer_count; i++) {
 		struct drm_gem_object *obj = object_list[i];
 
@@ -3520,8 +3567,7 @@ i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment)
 		atomic_inc(&dev->pin_count);
 		atomic_add(obj->size, &dev->pin_memory);
 		if (!obj_priv->active &&
-		    (obj->write_domain & ~(I915_GEM_DOMAIN_CPU |
-					   I915_GEM_DOMAIN_GTT)) == 0 &&
+		    (obj->write_domain & I915_GEM_GPU_DOMAINS) == 0 &&
 		    !list_empty(&obj_priv->list))
 			list_del_init(&obj_priv->list);
 	}
@@ -3548,8 +3594,7 @@ i915_gem_object_unpin(struct drm_gem_object *obj)
 	 */
 	if (obj_priv->pin_count == 0) {
 		if (!obj_priv->active &&
-		    (obj->write_domain & ~(I915_GEM_DOMAIN_CPU |
-					   I915_GEM_DOMAIN_GTT)) == 0)
+		    (obj->write_domain & I915_GEM_GPU_DOMAINS) == 0)
 			list_move_tail(&obj_priv->list,
 				       &dev_priv->mm.inactive_list);
 		atomic_dec(&dev->pin_count);
@@ -3653,15 +3698,14 @@ i915_gem_busy_ioctl(struct drm_device *dev, void *data,
 	struct drm_gem_object *obj;
 	struct drm_i915_gem_object *obj_priv;
 
-	mutex_lock(&dev->struct_mutex);
 	obj = drm_gem_object_lookup(dev, file_priv, args->handle);
 	if (obj == NULL) {
 		DRM_ERROR("Bad handle in i915_gem_busy_ioctl(): %d\n",
 			  args->handle);
-		mutex_unlock(&dev->struct_mutex);
 		return -EBADF;
 	}
 
+	mutex_lock(&dev->struct_mutex);
 	/* Update the active list for the hardware's current position.
 	 * Otherwise this only updates on a delayed timer or when irqs are
 	 * actually unmasked, and our working set ends up being larger than
@@ -3800,9 +3844,8 @@ i915_gem_idle(struct drm_device *dev)
 
 	/* Flush the GPU along with all non-CPU write domains
 	 */
-	i915_gem_flush(dev, ~(I915_GEM_DOMAIN_CPU|I915_GEM_DOMAIN_GTT),
-		       ~(I915_GEM_DOMAIN_CPU|I915_GEM_DOMAIN_GTT));
-	seqno = i915_add_request(dev, ~I915_GEM_DOMAIN_CPU);
+	i915_gem_flush(dev, I915_GEM_GPU_DOMAINS, I915_GEM_GPU_DOMAINS);
+	seqno = i915_add_request(dev, NULL, I915_GEM_GPU_DOMAINS);
 
 	if (seqno == 0) {
 		mutex_unlock(&dev->struct_mutex);
@@ -4352,3 +4395,17 @@ i915_gem_phys_pwrite(struct drm_device *dev, struct drm_gem_object *obj,
 	drm_agp_chipset_flush(dev);
 	return 0;
 }
+
+void i915_gem_release(struct drm_device * dev, struct drm_file *file_priv)
+{
+	struct drm_i915_file_private *i915_file_priv = file_priv->driver_priv;
+
+	/* Clean up our request list when the client is going away, so that
+	 * later retire_requests won't dereference our soon-to-be-gone
+	 * file_priv.
+	 */
+	mutex_lock(&dev->struct_mutex);
+	while (!list_empty(&i915_file_priv->mm.request_list))
+		list_del_init(i915_file_priv->mm.request_list.next);
+	mutex_unlock(&dev->struct_mutex);
+}

drivers/gpu/drm/i915/i915_gem_tiling.c

@@ -25,6 +25,8 @@
  *
  */
 
+#include <linux/acpi.h>
+#include <linux/pnp.h>
 #include "linux/string.h"
 #include "linux/bitops.h"
 #include "drmP.h"
@@ -81,6 +83,143 @@
  * to match what the GPU expects.
  */
 
+#define MCHBAR_I915 0x44
+#define MCHBAR_I965 0x48
+#define MCHBAR_SIZE (4*4096)
+
+#define DEVEN_REG 0x54
+#define   DEVEN_MCHBAR_EN (1 << 28)
+
+/* Allocate space for the MCH regs if needed, return nonzero on error */
+static int
+intel_alloc_mchbar_resource(struct drm_device *dev)
+{
+	struct pci_dev *bridge_dev;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	int reg = IS_I965G(dev) ? MCHBAR_I965 : MCHBAR_I915;
+	u32 temp_lo, temp_hi = 0;
+	u64 mchbar_addr;
+	int ret = 0;
+
+	bridge_dev = pci_get_bus_and_slot(0, PCI_DEVFN(0,0));
+	if (!bridge_dev) {
+		DRM_DEBUG("no bridge dev?!\n");
+		ret = -ENODEV;
+		goto out;
+	}
+
+	if (IS_I965G(dev))
+		pci_read_config_dword(bridge_dev, reg + 4, &temp_hi);
+	pci_read_config_dword(bridge_dev, reg, &temp_lo);
+	mchbar_addr = ((u64)temp_hi << 32) | temp_lo;
+
+	/* If ACPI doesn't have it, assume we need to allocate it ourselves */
+	if (mchbar_addr &&
+	    pnp_range_reserved(mchbar_addr, mchbar_addr + MCHBAR_SIZE)) {
+		ret = 0;
+		goto out_put;
+	}
+
+	/* Get some space for it */
+	ret = pci_bus_alloc_resource(bridge_dev->bus, &dev_priv->mch_res,
+				     MCHBAR_SIZE, MCHBAR_SIZE,
+				     PCIBIOS_MIN_MEM,
+				     0,   pcibios_align_resource,
+				     bridge_dev);
+	if (ret) {
+		DRM_DEBUG("failed bus alloc: %d\n", ret);
+		dev_priv->mch_res.start = 0;
+		goto out_put;
+	}
+
+	if (IS_I965G(dev))
+		pci_write_config_dword(bridge_dev, reg + 4,
+				       upper_32_bits(dev_priv->mch_res.start));
+
+	pci_write_config_dword(bridge_dev, reg,
+			       lower_32_bits(dev_priv->mch_res.start));
+out_put:
+	pci_dev_put(bridge_dev);
+out:
+	return ret;
+}
+
+/* Setup MCHBAR if possible, return true if we should disable it again */
+static bool
+intel_setup_mchbar(struct drm_device *dev)
+{
+	struct pci_dev *bridge_dev;
+	int mchbar_reg = IS_I965G(dev) ? MCHBAR_I965 : MCHBAR_I915;
+	u32 temp;
+	bool need_disable = false, enabled;
+
+	bridge_dev = pci_get_bus_and_slot(0, PCI_DEVFN(0,0));
+	if (!bridge_dev) {
+		DRM_DEBUG("no bridge dev?!\n");
+		goto out;
+	}
+
+	if (IS_I915G(dev) || IS_I915GM(dev)) {
+		pci_read_config_dword(bridge_dev, DEVEN_REG, &temp);
+		enabled = !!(temp & DEVEN_MCHBAR_EN);
+	} else {
+		pci_read_config_dword(bridge_dev, mchbar_reg, &temp);
+		enabled = temp & 1;
+	}
+
+	/* If it's already enabled, don't have to do anything */
+	if (enabled)
+		goto out_put;
+
+	if (intel_alloc_mchbar_resource(dev))
+		goto out_put;
+
+	need_disable = true;
+
+	/* Space is allocated or reserved, so enable it. */
+	if (IS_I915G(dev) || IS_I915GM(dev)) {
+		pci_write_config_dword(bridge_dev, DEVEN_REG,
+				       temp | DEVEN_MCHBAR_EN);
+	} else {
+		pci_read_config_dword(bridge_dev, mchbar_reg, &temp);
+		pci_write_config_dword(bridge_dev, mchbar_reg, temp | 1);
+	}
+out_put:
+	pci_dev_put(bridge_dev);
+out:
+	return need_disable;
+}
+
+static void
+intel_teardown_mchbar(struct drm_device *dev, bool disable)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	struct pci_dev *bridge_dev;
+	int mchbar_reg = IS_I965G(dev) ? MCHBAR_I965 : MCHBAR_I915;
+	u32 temp;
+
+	bridge_dev = pci_get_bus_and_slot(0, PCI_DEVFN(0,0));
+	if (!bridge_dev) {
+		DRM_DEBUG("no bridge dev?!\n");
+		return;
+	}
+
+	if (disable) {
+		if (IS_I915G(dev) || IS_I915GM(dev)) {
+			pci_read_config_dword(bridge_dev, DEVEN_REG, &temp);
+			temp &= ~DEVEN_MCHBAR_EN;
+			pci_write_config_dword(bridge_dev, DEVEN_REG, temp);
+		} else {
+			pci_read_config_dword(bridge_dev, mchbar_reg, &temp);
+			temp &= ~1;
+			pci_write_config_dword(bridge_dev, mchbar_reg, temp);
+		}
+	}
+
+	if (dev_priv->mch_res.start)
+		release_resource(&dev_priv->mch_res);
+}
+
 /**
  * Detects bit 6 swizzling of address lookup between IGD access and CPU
  * access through main memory.
@@ -91,6 +230,7 @@ i915_gem_detect_bit_6_swizzle(struct drm_device *dev)
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	uint32_t swizzle_x = I915_BIT_6_SWIZZLE_UNKNOWN;
 	uint32_t swizzle_y = I915_BIT_6_SWIZZLE_UNKNOWN;
+	bool need_disable;
 
 	if (!IS_I9XX(dev)) {
 		/* As far as we know, the 865 doesn't have these bit 6
@@ -101,6 +241,9 @@ i915_gem_detect_bit_6_swizzle(struct drm_device *dev)
 	} else if (IS_MOBILE(dev)) {
 		uint32_t dcc;
 
+		/* Try to make sure MCHBAR is enabled before poking at it */
+		need_disable = intel_setup_mchbar(dev);
+
 		/* On mobile 9xx chipsets, channel interleave by the CPU is
 		 * determined by DCC.  For single-channel, neither the CPU
 		 * nor the GPU do swizzling.  For dual channel interleaved,
@@ -140,6 +283,8 @@ i915_gem_detect_bit_6_swizzle(struct drm_device *dev)
 			swizzle_x = I915_BIT_6_SWIZZLE_UNKNOWN;
 			swizzle_y = I915_BIT_6_SWIZZLE_UNKNOWN;
 		}
+
+		intel_teardown_mchbar(dev, need_disable);
 	} else {
 		/* The 965, G33, and newer, have a very flexible memory
 		 * configuration.  It will enable dual-channel mode
@@ -170,6 +315,13 @@ i915_gem_detect_bit_6_swizzle(struct drm_device *dev)
 		}
 	}
 
+	/* FIXME: check with memory config on IGDNG */
+	if (IS_IGDNG(dev)) {
+		DRM_ERROR("disable tiling on IGDNG...\n");
+		swizzle_x = I915_BIT_6_SWIZZLE_UNKNOWN;
+		swizzle_y = I915_BIT_6_SWIZZLE_UNKNOWN;
+	}
+
 	dev_priv->mm.bit_6_swizzle_x = swizzle_x;
 	dev_priv->mm.bit_6_swizzle_y = swizzle_y;
 }

drivers/gpu/drm/i915/i915_irq.c

@@ -57,6 +57,47 @@
 #define DRM_I915_VBLANK_PIPE_ALL	(DRM_I915_VBLANK_PIPE_A | \
 					 DRM_I915_VBLANK_PIPE_B)
 
+void
+igdng_enable_graphics_irq(drm_i915_private_t *dev_priv, u32 mask)
+{
+	if ((dev_priv->gt_irq_mask_reg & mask) != 0) {
+		dev_priv->gt_irq_mask_reg &= ~mask;
+		I915_WRITE(GTIMR, dev_priv->gt_irq_mask_reg);
+		(void) I915_READ(GTIMR);
+	}
+}
+
+static inline void
+igdng_disable_graphics_irq(drm_i915_private_t *dev_priv, u32 mask)
+{
+	if ((dev_priv->gt_irq_mask_reg & mask) != mask) {
+		dev_priv->gt_irq_mask_reg |= mask;
+		I915_WRITE(GTIMR, dev_priv->gt_irq_mask_reg);
+		(void) I915_READ(GTIMR);
+	}
+}
+
+/* For display hotplug interrupt */
+void
+igdng_enable_display_irq(drm_i915_private_t *dev_priv, u32 mask)
+{
+	if ((dev_priv->irq_mask_reg & mask) != 0) {
+		dev_priv->irq_mask_reg &= ~mask;
+		I915_WRITE(DEIMR, dev_priv->irq_mask_reg);
+		(void) I915_READ(DEIMR);
+	}
+}
+
+static inline void
+igdng_disable_display_irq(drm_i915_private_t *dev_priv, u32 mask)
+{
+	if ((dev_priv->irq_mask_reg & mask) != mask) {
+		dev_priv->irq_mask_reg |= mask;
+		I915_WRITE(DEIMR, dev_priv->irq_mask_reg);
+		(void) I915_READ(DEIMR);
+	}
+}
+
 void
 i915_enable_irq(drm_i915_private_t *dev_priv, u32 mask)
 {
@@ -196,6 +237,47 @@ static void i915_hotplug_work_func(struct work_struct *work)
 	drm_sysfs_hotplug_event(dev);
 }
 
+irqreturn_t igdng_irq_handler(struct drm_device *dev)
+{
+	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+	int ret = IRQ_NONE;
+	u32 de_iir, gt_iir;
+	u32 new_de_iir, new_gt_iir;
+	struct drm_i915_master_private *master_priv;
+
+	de_iir = I915_READ(DEIIR);
+	gt_iir = I915_READ(GTIIR);
+
+	for (;;) {
+		if (de_iir == 0 && gt_iir == 0)
+			break;
+
+		ret = IRQ_HANDLED;
+
+		I915_WRITE(DEIIR, de_iir);
+		new_de_iir = I915_READ(DEIIR);
+		I915_WRITE(GTIIR, gt_iir);
+		new_gt_iir = I915_READ(GTIIR);
+
+		if (dev->primary->master) {
+			master_priv = dev->primary->master->driver_priv;
+			if (master_priv->sarea_priv)
+				master_priv->sarea_priv->last_dispatch =
+					READ_BREADCRUMB(dev_priv);
+		}
+
+		if (gt_iir & GT_USER_INTERRUPT) {
+			dev_priv->mm.irq_gem_seqno = i915_get_gem_seqno(dev);
+			DRM_WAKEUP(&dev_priv->irq_queue);
+		}
+
+		de_iir = new_de_iir;
+		gt_iir = new_gt_iir;
+	}
+
+	return ret;
+}
+
 irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
 {
 	struct drm_device *dev = (struct drm_device *) arg;
@@ -212,6 +294,9 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
 
 	atomic_inc(&dev_priv->irq_received);
 
+	if (IS_IGDNG(dev))
+		return igdng_irq_handler(dev);
+
 	iir = I915_READ(IIR);
 
 	if (IS_I965G(dev)) {
@@ -349,8 +434,12 @@ void i915_user_irq_get(struct drm_device *dev)
 	unsigned long irqflags;
 
 	spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
-	if (dev->irq_enabled && (++dev_priv->user_irq_refcount == 1))
+	if (dev->irq_enabled && (++dev_priv->user_irq_refcount == 1)) {
+		if (IS_IGDNG(dev))
+			igdng_enable_graphics_irq(dev_priv, GT_USER_INTERRUPT);
+		else
 			i915_enable_irq(dev_priv, I915_USER_INTERRUPT);
+	}
 	spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags);
 }
 
@@ -361,8 +450,12 @@ void i915_user_irq_put(struct drm_device *dev)
 
 	spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
 	BUG_ON(dev->irq_enabled && dev_priv->user_irq_refcount <= 0);
-	if (dev->irq_enabled && (--dev_priv->user_irq_refcount == 0))
+	if (dev->irq_enabled && (--dev_priv->user_irq_refcount == 0)) {
+		if (IS_IGDNG(dev))
+			igdng_disable_graphics_irq(dev_priv, GT_USER_INTERRUPT);
+		else
 			i915_disable_irq(dev_priv, I915_USER_INTERRUPT);
+	}
 	spin_unlock_irqrestore(&dev_priv->user_irq_lock, irqflags);
 }
 
@@ -455,6 +548,9 @@ int i915_enable_vblank(struct drm_device *dev, int pipe)
 	if (!(pipeconf & PIPEACONF_ENABLE))
 		return -EINVAL;
 
+	if (IS_IGDNG(dev))
+		return 0;
+
 	spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
 	if (IS_I965G(dev))
 		i915_enable_pipestat(dev_priv, pipe,
@@ -474,6 +570,9 @@ void i915_disable_vblank(struct drm_device *dev, int pipe)
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
 	unsigned long irqflags;
 
+	if (IS_IGDNG(dev))
+		return;
+
 	spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
 	i915_disable_pipestat(dev_priv, pipe,
 			      PIPE_VBLANK_INTERRUPT_ENABLE |
@@ -484,6 +583,8 @@ void i915_disable_vblank(struct drm_device *dev, int pipe)
 void i915_enable_interrupt (struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
+
+	if (!IS_IGDNG(dev))
 		opregion_enable_asle(dev);
 	dev_priv->irq_enabled = 1;
 }
@@ -545,12 +646,65 @@ int i915_vblank_swap(struct drm_device *dev, void *data,
 
 /* drm_dma.h hooks
 */
+static void igdng_irq_preinstall(struct drm_device *dev)
+{
+	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+
+	I915_WRITE(HWSTAM, 0xeffe);
+
+	/* XXX hotplug from PCH */
+
+	I915_WRITE(DEIMR, 0xffffffff);
+	I915_WRITE(DEIER, 0x0);
+	(void) I915_READ(DEIER);
+
+	/* and GT */
+	I915_WRITE(GTIMR, 0xffffffff);
+	I915_WRITE(GTIER, 0x0);
+	(void) I915_READ(GTIER);
+}
+
+static int igdng_irq_postinstall(struct drm_device *dev)
+{
+	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+	/* enable kind of interrupts always enabled */
+	u32 display_mask = DE_MASTER_IRQ_CONTROL /*| DE_PCH_EVENT */;
+	u32 render_mask = GT_USER_INTERRUPT;
+
+	dev_priv->irq_mask_reg = ~display_mask;
+	dev_priv->de_irq_enable_reg = display_mask;
+
+	/* should always can generate irq */
+	I915_WRITE(DEIIR, I915_READ(DEIIR));
+	I915_WRITE(DEIMR, dev_priv->irq_mask_reg);
+	I915_WRITE(DEIER, dev_priv->de_irq_enable_reg);
+	(void) I915_READ(DEIER);
+
+	/* user interrupt should be enabled, but masked initial */
+	dev_priv->gt_irq_mask_reg = 0xffffffff;
+	dev_priv->gt_irq_enable_reg = render_mask;
+
+	I915_WRITE(GTIIR, I915_READ(GTIIR));
+	I915_WRITE(GTIMR, dev_priv->gt_irq_mask_reg);
+	I915_WRITE(GTIER, dev_priv->gt_irq_enable_reg);
+	(void) I915_READ(GTIER);
+
+	return 0;
+}
+
 void i915_driver_irq_preinstall(struct drm_device * dev)
 {
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
 
 	atomic_set(&dev_priv->irq_received, 0);
 
+	INIT_WORK(&dev_priv->hotplug_work, i915_hotplug_work_func);
+
+	if (IS_IGDNG(dev)) {
+		igdng_irq_preinstall(dev);
+		return;
+	}
+
 	if (I915_HAS_HOTPLUG(dev)) {
 		I915_WRITE(PORT_HOTPLUG_EN, 0);
 		I915_WRITE(PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT));
@@ -562,7 +716,6 @@ void i915_driver_irq_preinstall(struct drm_device * dev)
 	I915_WRITE(IMR, 0xffffffff);
 	I915_WRITE(IER, 0x0);
 	(void) I915_READ(IER);
-	INIT_WORK(&dev_priv->hotplug_work, i915_hotplug_work_func);
 }
 
 int i915_driver_irq_postinstall(struct drm_device *dev)
@@ -570,9 +723,12 @@ int i915_driver_irq_postinstall(struct drm_device *dev)
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
 	u32 enable_mask = I915_INTERRUPT_ENABLE_FIX | I915_INTERRUPT_ENABLE_VAR;
 
+	DRM_INIT_WAITQUEUE(&dev_priv->irq_queue);
+
 	dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B;
 
-	dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
+	if (IS_IGDNG(dev))
+		return igdng_irq_postinstall(dev);
 
 	/* Unmask the interrupts that we always want on. */
 	dev_priv->irq_mask_reg = ~I915_INTERRUPT_ENABLE_FIX;
@@ -613,11 +769,24 @@ int i915_driver_irq_postinstall(struct drm_device *dev)
 	(void) I915_READ(IER);
 
 	opregion_enable_asle(dev);
-	DRM_INIT_WAITQUEUE(&dev_priv->irq_queue);
 
 	return 0;
 }
 
+static void igdng_irq_uninstall(struct drm_device *dev)
+{
+	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
+	I915_WRITE(HWSTAM, 0xffffffff);
+
+	I915_WRITE(DEIMR, 0xffffffff);
+	I915_WRITE(DEIER, 0x0);
+	I915_WRITE(DEIIR, I915_READ(DEIIR));
+
+	I915_WRITE(GTIMR, 0xffffffff);
+	I915_WRITE(GTIER, 0x0);
+	I915_WRITE(GTIIR, I915_READ(GTIIR));
+}
+
 void i915_driver_irq_uninstall(struct drm_device * dev)
 {
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
@@ -627,6 +796,11 @@ void i915_driver_irq_uninstall(struct drm_device * dev)
 
 	dev_priv->vblank_pipe = 0;
 
+	if (IS_IGDNG(dev)) {
+		igdng_irq_uninstall(dev);
+		return;
+	}
+
 	if (I915_HAS_HOTPLUG(dev)) {
 		I915_WRITE(PORT_HOTPLUG_EN, 0);
 		I915_WRITE(PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT));

drivers/gpu/drm/i915/i915_reg.h

@@ -450,6 +450,13 @@
 #define   PLLB_REF_INPUT_SPREADSPECTRUMIN (3 << 13)
 #define   PLL_REF_INPUT_MASK		(3 << 13)
 #define   PLL_LOAD_PULSE_PHASE_SHIFT		9
+/* IGDNG */
+# define PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT     9
+# define PLL_REF_SDVO_HDMI_MULTIPLIER_MASK      (7 << 9)
+# define PLL_REF_SDVO_HDMI_MULTIPLIER(x)	(((x)-1) << 9)
+# define DPLL_FPA1_P1_POST_DIV_SHIFT            0
+# define DPLL_FPA1_P1_POST_DIV_MASK             0xff
+
 /*
  * Parallel to Serial Load Pulse phase selection.
  * Selects the phase for the 10X DPLL clock for the PCIe
@@ -631,8 +638,11 @@
 /* Hotplug control (945+ only) */
 #define PORT_HOTPLUG_EN		0x61110
 #define   HDMIB_HOTPLUG_INT_EN			(1 << 29)
+#define   DPB_HOTPLUG_INT_EN			(1 << 29)
 #define   HDMIC_HOTPLUG_INT_EN			(1 << 28)
+#define   DPC_HOTPLUG_INT_EN			(1 << 28)
 #define   HDMID_HOTPLUG_INT_EN			(1 << 27)
+#define   DPD_HOTPLUG_INT_EN			(1 << 27)
 #define   SDVOB_HOTPLUG_INT_EN			(1 << 26)
 #define   SDVOC_HOTPLUG_INT_EN			(1 << 25)
 #define   TV_HOTPLUG_INT_EN			(1 << 18)
@@ -665,8 +675,11 @@
 
 #define PORT_HOTPLUG_STAT	0x61114
 #define   HDMIB_HOTPLUG_INT_STATUS		(1 << 29)
+#define   DPB_HOTPLUG_INT_STATUS		(1 << 29)
 #define   HDMIC_HOTPLUG_INT_STATUS		(1 << 28)
+#define   DPC_HOTPLUG_INT_STATUS		(1 << 28)
 #define   HDMID_HOTPLUG_INT_STATUS		(1 << 27)
+#define   DPD_HOTPLUG_INT_STATUS		(1 << 27)
 #define   CRT_HOTPLUG_INT_STATUS		(1 << 11)
 #define   TV_HOTPLUG_INT_STATUS			(1 << 10)
 #define   CRT_HOTPLUG_MONITOR_MASK		(3 << 8)
@@ -951,15 +964,15 @@
 # define DAC_A_1_3_V			(0 << 4)
 # define DAC_A_1_1_V			(1 << 4)
 # define DAC_A_0_7_V			(2 << 4)
-# define DAC_A_OFF			(3 << 4)
+# define DAC_A_MASK			(3 << 4)
 # define DAC_B_1_3_V			(0 << 2)
 # define DAC_B_1_1_V			(1 << 2)
 # define DAC_B_0_7_V			(2 << 2)
-# define DAC_B_OFF			(3 << 2)
+# define DAC_B_MASK			(3 << 2)
 # define DAC_C_1_3_V			(0 << 0)
 # define DAC_C_1_1_V			(1 << 0)
 # define DAC_C_0_7_V			(2 << 0)
-# define DAC_C_OFF			(3 << 0)
+# define DAC_C_MASK			(3 << 0)
 
 /**
  * CSC coefficients are stored in a floating point format with 9 bits of
@@ -1328,6 +1341,163 @@
 #define TV_V_CHROMA_0		0x68400
 #define TV_V_CHROMA_42		0x684a8
 
+/* Display Port */
+#define DP_B				0x64100
+#define DP_C				0x64200
+#define DP_D				0x64300
+
+#define   DP_PORT_EN			(1 << 31)
+#define   DP_PIPEB_SELECT		(1 << 30)
+
+/* Link training mode - select a suitable mode for each stage */
+#define   DP_LINK_TRAIN_PAT_1		(0 << 28)
+#define   DP_LINK_TRAIN_PAT_2		(1 << 28)
+#define   DP_LINK_TRAIN_PAT_IDLE	(2 << 28)
+#define   DP_LINK_TRAIN_OFF		(3 << 28)
+#define   DP_LINK_TRAIN_MASK		(3 << 28)
+#define   DP_LINK_TRAIN_SHIFT		28
+
+/* Signal voltages. These are mostly controlled by the other end */
+#define   DP_VOLTAGE_0_4		(0 << 25)
+#define   DP_VOLTAGE_0_6		(1 << 25)
+#define   DP_VOLTAGE_0_8		(2 << 25)
+#define   DP_VOLTAGE_1_2		(3 << 25)
+#define   DP_VOLTAGE_MASK		(7 << 25)
+#define   DP_VOLTAGE_SHIFT		25
+
+/* Signal pre-emphasis levels, like voltages, the other end tells us what
+ * they want
+ */
+#define   DP_PRE_EMPHASIS_0		(0 << 22)
+#define   DP_PRE_EMPHASIS_3_5		(1 << 22)
+#define   DP_PRE_EMPHASIS_6		(2 << 22)
+#define   DP_PRE_EMPHASIS_9_5		(3 << 22)
+#define   DP_PRE_EMPHASIS_MASK		(7 << 22)
+#define   DP_PRE_EMPHASIS_SHIFT		22
+
+/* How many wires to use. I guess 3 was too hard */
+#define   DP_PORT_WIDTH_1		(0 << 19)
+#define   DP_PORT_WIDTH_2		(1 << 19)
+#define   DP_PORT_WIDTH_4		(3 << 19)
+#define   DP_PORT_WIDTH_MASK		(7 << 19)
+
+/* Mystic DPCD version 1.1 special mode */
+#define   DP_ENHANCED_FRAMING		(1 << 18)
+
+/** locked once port is enabled */
+#define   DP_PORT_REVERSAL		(1 << 15)
+
+/** sends the clock on lane 15 of the PEG for debug */
+#define   DP_CLOCK_OUTPUT_ENABLE	(1 << 13)
+
+#define   DP_SCRAMBLING_DISABLE		(1 << 12)
+
+/** limit RGB values to avoid confusing TVs */
+#define   DP_COLOR_RANGE_16_235		(1 << 8)
+
+/** Turn on the audio link */
+#define   DP_AUDIO_OUTPUT_ENABLE	(1 << 6)
+
+/** vs and hs sync polarity */
+#define   DP_SYNC_VS_HIGH		(1 << 4)
+#define   DP_SYNC_HS_HIGH		(1 << 3)
+
+/** A fantasy */
+#define   DP_DETECTED			(1 << 2)
+
+/** The aux channel provides a way to talk to the
+ * signal sink for DDC etc. Max packet size supported
+ * is 20 bytes in each direction, hence the 5 fixed
+ * data registers
+ */
+#define DPB_AUX_CH_CTL			0x64110
+#define DPB_AUX_CH_DATA1		0x64114
+#define DPB_AUX_CH_DATA2		0x64118
+#define DPB_AUX_CH_DATA3		0x6411c
+#define DPB_AUX_CH_DATA4		0x64120
+#define DPB_AUX_CH_DATA5		0x64124
+
+#define DPC_AUX_CH_CTL			0x64210
+#define DPC_AUX_CH_DATA1		0x64214
+#define DPC_AUX_CH_DATA2		0x64218
+#define DPC_AUX_CH_DATA3		0x6421c
+#define DPC_AUX_CH_DATA4		0x64220
+#define DPC_AUX_CH_DATA5		0x64224
+
+#define DPD_AUX_CH_CTL			0x64310
+#define DPD_AUX_CH_DATA1		0x64314
+#define DPD_AUX_CH_DATA2		0x64318
+#define DPD_AUX_CH_DATA3		0x6431c
+#define DPD_AUX_CH_DATA4		0x64320
+#define DPD_AUX_CH_DATA5		0x64324
+
+#define   DP_AUX_CH_CTL_SEND_BUSY	    (1 << 31)
+#define   DP_AUX_CH_CTL_DONE		    (1 << 30)
+#define   DP_AUX_CH_CTL_INTERRUPT	    (1 << 29)
+#define   DP_AUX_CH_CTL_TIME_OUT_ERROR	    (1 << 28)
+#define   DP_AUX_CH_CTL_TIME_OUT_400us	    (0 << 26)
+#define   DP_AUX_CH_CTL_TIME_OUT_600us	    (1 << 26)
+#define   DP_AUX_CH_CTL_TIME_OUT_800us	    (2 << 26)
+#define   DP_AUX_CH_CTL_TIME_OUT_1600us	    (3 << 26)
+#define   DP_AUX_CH_CTL_TIME_OUT_MASK	    (3 << 26)
+#define   DP_AUX_CH_CTL_RECEIVE_ERROR	    (1 << 25)
+#define   DP_AUX_CH_CTL_MESSAGE_SIZE_MASK    (0x1f << 20)
+#define   DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT   20
+#define   DP_AUX_CH_CTL_PRECHARGE_2US_MASK   (0xf << 16)
+#define   DP_AUX_CH_CTL_PRECHARGE_2US_SHIFT  16
+#define   DP_AUX_CH_CTL_AUX_AKSV_SELECT	    (1 << 15)
+#define   DP_AUX_CH_CTL_MANCHESTER_TEST	    (1 << 14)
+#define   DP_AUX_CH_CTL_SYNC_TEST	    (1 << 13)
+#define   DP_AUX_CH_CTL_DEGLITCH_TEST	    (1 << 12)
+#define   DP_AUX_CH_CTL_PRECHARGE_TEST	    (1 << 11)
+#define   DP_AUX_CH_CTL_BIT_CLOCK_2X_MASK    (0x7ff)
+#define   DP_AUX_CH_CTL_BIT_CLOCK_2X_SHIFT   0
+
+/*
+ * Computing GMCH M and N values for the Display Port link
+ *
+ * GMCH M/N = dot clock * bytes per pixel / ls_clk * # of lanes
+ *
+ * ls_clk (we assume) is the DP link clock (1.62 or 2.7 GHz)
+ *
+ * The GMCH value is used internally
+ *
+ * bytes_per_pixel is the number of bytes coming out of the plane,
+ * which is after the LUTs, so we want the bytes for our color format.
+ * For our current usage, this is always 3, one byte for R, G and B.
+ */
+#define PIPEA_GMCH_DATA_M			0x70050
+#define PIPEB_GMCH_DATA_M			0x71050
+
+/* Transfer unit size for display port - 1, default is 0x3f (for TU size 64) */
+#define   PIPE_GMCH_DATA_M_TU_SIZE_MASK		(0x3f << 25)
+#define   PIPE_GMCH_DATA_M_TU_SIZE_SHIFT	25
+
+#define   PIPE_GMCH_DATA_M_MASK			(0xffffff)
+
+#define PIPEA_GMCH_DATA_N			0x70054
+#define PIPEB_GMCH_DATA_N			0x71054
+#define   PIPE_GMCH_DATA_N_MASK			(0xffffff)
+
+/*
+ * Computing Link M and N values for the Display Port link
+ *
+ * Link M / N = pixel_clock / ls_clk
+ *
+ * (the DP spec calls pixel_clock the 'strm_clk')
+ *
+ * The Link value is transmitted in the Main Stream
+ * Attributes and VB-ID.
+ */
+
+#define PIPEA_DP_LINK_M				0x70060
+#define PIPEB_DP_LINK_M				0x71060
+#define   PIPEA_DP_LINK_M_MASK			(0xffffff)
+
+#define PIPEA_DP_LINK_N				0x70064
+#define PIPEB_DP_LINK_N				0x71064
+#define   PIPEA_DP_LINK_N_MASK			(0xffffff)
+
 /* Display & cursor control */
 
 /* Pipe A */
@@ -1517,4 +1687,444 @@
 # define VGA_2X_MODE				(1 << 30)
 # define VGA_PIPE_B_SELECT			(1 << 29)
 
+/* IGDNG */
+
+#define CPU_VGACNTRL	0x41000
+
+#define DIGITAL_PORT_HOTPLUG_CNTRL      0x44030
+#define  DIGITAL_PORTA_HOTPLUG_ENABLE           (1 << 4)
+#define  DIGITAL_PORTA_SHORT_PULSE_2MS          (0 << 2)
+#define  DIGITAL_PORTA_SHORT_PULSE_4_5MS        (1 << 2)
+#define  DIGITAL_PORTA_SHORT_PULSE_6MS          (2 << 2)
+#define  DIGITAL_PORTA_SHORT_PULSE_100MS        (3 << 2)
+#define  DIGITAL_PORTA_NO_DETECT                (0 << 0)
+#define  DIGITAL_PORTA_LONG_PULSE_DETECT_MASK   (1 << 1)
+#define  DIGITAL_PORTA_SHORT_PULSE_DETECT_MASK  (1 << 0)
+
+/* refresh rate hardware control */
+#define RR_HW_CTL       0x45300
+#define  RR_HW_LOW_POWER_FRAMES_MASK    0xff
+#define  RR_HW_HIGH_POWER_FRAMES_MASK   0xff00
+
+#define FDI_PLL_BIOS_0  0x46000
+#define FDI_PLL_BIOS_1  0x46004
+#define FDI_PLL_BIOS_2  0x46008
+#define DISPLAY_PORT_PLL_BIOS_0         0x4600c
+#define DISPLAY_PORT_PLL_BIOS_1         0x46010
+#define DISPLAY_PORT_PLL_BIOS_2         0x46014
+
+#define FDI_PLL_FREQ_CTL        0x46030
+#define  FDI_PLL_FREQ_CHANGE_REQUEST    (1<<24)
+#define  FDI_PLL_FREQ_LOCK_LIMIT_MASK   0xfff00
+#define  FDI_PLL_FREQ_DISABLE_COUNT_LIMIT_MASK  0xff
+
+
+#define PIPEA_DATA_M1           0x60030
+#define  TU_SIZE(x)             (((x)-1) << 25) /* default size 64 */
+#define  TU_SIZE_MASK           0x7e000000
+#define  PIPEA_DATA_M1_OFFSET   0
+#define PIPEA_DATA_N1           0x60034
+#define  PIPEA_DATA_N1_OFFSET   0
+
+#define PIPEA_DATA_M2           0x60038
+#define  PIPEA_DATA_M2_OFFSET   0
+#define PIPEA_DATA_N2           0x6003c
+#define  PIPEA_DATA_N2_OFFSET   0
+
+#define PIPEA_LINK_M1           0x60040
+#define  PIPEA_LINK_M1_OFFSET   0
+#define PIPEA_LINK_N1           0x60044
+#define  PIPEA_LINK_N1_OFFSET   0
+
+#define PIPEA_LINK_M2           0x60048
+#define  PIPEA_LINK_M2_OFFSET   0
+#define PIPEA_LINK_N2           0x6004c
+#define  PIPEA_LINK_N2_OFFSET   0
+
+/* PIPEB timing regs are same start from 0x61000 */
+
+#define PIPEB_DATA_M1           0x61030
+#define  PIPEB_DATA_M1_OFFSET   0
+#define PIPEB_DATA_N1           0x61034
+#define  PIPEB_DATA_N1_OFFSET   0
+
+#define PIPEB_DATA_M2           0x61038
+#define  PIPEB_DATA_M2_OFFSET   0
+#define PIPEB_DATA_N2           0x6103c
+#define  PIPEB_DATA_N2_OFFSET   0
+
+#define PIPEB_LINK_M1           0x61040
+#define  PIPEB_LINK_M1_OFFSET   0
+#define PIPEB_LINK_N1           0x61044
+#define  PIPEB_LINK_N1_OFFSET   0
+
+#define PIPEB_LINK_M2           0x61048
+#define  PIPEB_LINK_M2_OFFSET   0
+#define PIPEB_LINK_N2           0x6104c
+#define  PIPEB_LINK_N2_OFFSET   0
+
+/* CPU panel fitter */
+#define PFA_CTL_1               0x68080
+#define PFB_CTL_1               0x68880
+#define  PF_ENABLE              (1<<31)
+
+/* legacy palette */
+#define LGC_PALETTE_A           0x4a000
+#define LGC_PALETTE_B           0x4a800
+
+/* interrupts */
+#define DE_MASTER_IRQ_CONTROL   (1 << 31)
+#define DE_SPRITEB_FLIP_DONE    (1 << 29)
+#define DE_SPRITEA_FLIP_DONE    (1 << 28)
+#define DE_PLANEB_FLIP_DONE     (1 << 27)
+#define DE_PLANEA_FLIP_DONE     (1 << 26)
+#define DE_PCU_EVENT            (1 << 25)
+#define DE_GTT_FAULT            (1 << 24)
+#define DE_POISON               (1 << 23)
+#define DE_PERFORM_COUNTER      (1 << 22)
+#define DE_PCH_EVENT            (1 << 21)
+#define DE_AUX_CHANNEL_A        (1 << 20)
+#define DE_DP_A_HOTPLUG         (1 << 19)
+#define DE_GSE                  (1 << 18)
+#define DE_PIPEB_VBLANK         (1 << 15)
+#define DE_PIPEB_EVEN_FIELD     (1 << 14)
+#define DE_PIPEB_ODD_FIELD      (1 << 13)
+#define DE_PIPEB_LINE_COMPARE   (1 << 12)
+#define DE_PIPEB_VSYNC          (1 << 11)
+#define DE_PIPEB_FIFO_UNDERRUN  (1 << 8)
+#define DE_PIPEA_VBLANK         (1 << 7)
+#define DE_PIPEA_EVEN_FIELD     (1 << 6)
+#define DE_PIPEA_ODD_FIELD      (1 << 5)
+#define DE_PIPEA_LINE_COMPARE   (1 << 4)
+#define DE_PIPEA_VSYNC          (1 << 3)
+#define DE_PIPEA_FIFO_UNDERRUN  (1 << 0)
+
+#define DEISR   0x44000
+#define DEIMR   0x44004
+#define DEIIR   0x44008
+#define DEIER   0x4400c
+
+/* GT interrupt */
+#define GT_SYNC_STATUS          (1 << 2)
+#define GT_USER_INTERRUPT       (1 << 0)
+
+#define GTISR   0x44010
+#define GTIMR   0x44014
+#define GTIIR   0x44018
+#define GTIER   0x4401c
+
+/* PCH */
+
+/* south display engine interrupt */
+#define SDE_CRT_HOTPLUG         (1 << 11)
+#define SDE_PORTD_HOTPLUG       (1 << 10)
+#define SDE_PORTC_HOTPLUG       (1 << 9)
+#define SDE_PORTB_HOTPLUG       (1 << 8)
+#define SDE_SDVOB_HOTPLUG       (1 << 6)
+
+#define SDEISR  0xc4000
+#define SDEIMR  0xc4004
+#define SDEIIR  0xc4008
+#define SDEIER  0xc400c
+
+/* digital port hotplug */
+#define PCH_PORT_HOTPLUG        0xc4030
+#define PORTD_HOTPLUG_ENABLE            (1 << 20)
+#define PORTD_PULSE_DURATION_2ms        (0)
+#define PORTD_PULSE_DURATION_4_5ms      (1 << 18)
+#define PORTD_PULSE_DURATION_6ms        (2 << 18)
+#define PORTD_PULSE_DURATION_100ms      (3 << 18)
+#define PORTD_HOTPLUG_NO_DETECT         (0)
+#define PORTD_HOTPLUG_SHORT_DETECT      (1 << 16)
+#define PORTD_HOTPLUG_LONG_DETECT       (1 << 17)
+#define PORTC_HOTPLUG_ENABLE            (1 << 12)
+#define PORTC_PULSE_DURATION_2ms        (0)
+#define PORTC_PULSE_DURATION_4_5ms      (1 << 10)
+#define PORTC_PULSE_DURATION_6ms        (2 << 10)
+#define PORTC_PULSE_DURATION_100ms      (3 << 10)
+#define PORTC_HOTPLUG_NO_DETECT         (0)
+#define PORTC_HOTPLUG_SHORT_DETECT      (1 << 8)
+#define PORTC_HOTPLUG_LONG_DETECT       (1 << 9)
+#define PORTB_HOTPLUG_ENABLE            (1 << 4)
+#define PORTB_PULSE_DURATION_2ms        (0)
+#define PORTB_PULSE_DURATION_4_5ms      (1 << 2)
+#define PORTB_PULSE_DURATION_6ms        (2 << 2)
+#define PORTB_PULSE_DURATION_100ms      (3 << 2)
+#define PORTB_HOTPLUG_NO_DETECT         (0)
+#define PORTB_HOTPLUG_SHORT_DETECT      (1 << 0)
+#define PORTB_HOTPLUG_LONG_DETECT       (1 << 1)
+
+#define PCH_GPIOA               0xc5010
+#define PCH_GPIOB               0xc5014
+#define PCH_GPIOC               0xc5018
+#define PCH_GPIOD               0xc501c
+#define PCH_GPIOE               0xc5020
+#define PCH_GPIOF               0xc5024
+
+#define PCH_DPLL_A              0xc6014
+#define PCH_DPLL_B              0xc6018
+
+#define PCH_FPA0                0xc6040
+#define PCH_FPA1                0xc6044
+#define PCH_FPB0                0xc6048
+#define PCH_FPB1                0xc604c
+
+#define PCH_DPLL_TEST           0xc606c
+
+#define PCH_DREF_CONTROL        0xC6200
+#define  DREF_CONTROL_MASK      0x7fc3
+#define  DREF_CPU_SOURCE_OUTPUT_DISABLE         (0<<13)
+#define  DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD      (2<<13)
+#define  DREF_CPU_SOURCE_OUTPUT_NONSPREAD       (3<<13)
+#define  DREF_CPU_SOURCE_OUTPUT_MASK		(3<<13)
+#define  DREF_SSC_SOURCE_DISABLE                (0<<11)
+#define  DREF_SSC_SOURCE_ENABLE                 (2<<11)
+#define  DREF_SSC_SOURCE_MASK			(2<<11)
+#define  DREF_NONSPREAD_SOURCE_DISABLE          (0<<9)
+#define  DREF_NONSPREAD_CK505_ENABLE		(1<<9)
+#define  DREF_NONSPREAD_SOURCE_ENABLE           (2<<9)
+#define  DREF_NONSPREAD_SOURCE_MASK		(2<<9)
+#define  DREF_SUPERSPREAD_SOURCE_DISABLE        (0<<7)
+#define  DREF_SUPERSPREAD_SOURCE_ENABLE         (2<<7)
+#define  DREF_SSC4_DOWNSPREAD                   (0<<6)
+#define  DREF_SSC4_CENTERSPREAD                 (1<<6)
+#define  DREF_SSC1_DISABLE                      (0<<1)
+#define  DREF_SSC1_ENABLE                       (1<<1)
+#define  DREF_SSC4_DISABLE                      (0)
+#define  DREF_SSC4_ENABLE                       (1)
+
+#define PCH_RAWCLK_FREQ         0xc6204
+#define  FDL_TP1_TIMER_SHIFT    12
+#define  FDL_TP1_TIMER_MASK     (3<<12)
+#define  FDL_TP2_TIMER_SHIFT    10
+#define  FDL_TP2_TIMER_MASK     (3<<10)
+#define  RAWCLK_FREQ_MASK       0x3ff
+
+#define PCH_DPLL_TMR_CFG        0xc6208
+
+#define PCH_SSC4_PARMS          0xc6210
+#define PCH_SSC4_AUX_PARMS      0xc6214
+
+/* transcoder */
+
+#define TRANS_HTOTAL_A          0xe0000
+#define  TRANS_HTOTAL_SHIFT     16
+#define  TRANS_HACTIVE_SHIFT    0
+#define TRANS_HBLANK_A          0xe0004
+#define  TRANS_HBLANK_END_SHIFT 16
+#define  TRANS_HBLANK_START_SHIFT 0
+#define TRANS_HSYNC_A           0xe0008
+#define  TRANS_HSYNC_END_SHIFT  16
+#define  TRANS_HSYNC_START_SHIFT 0
+#define TRANS_VTOTAL_A          0xe000c
+#define  TRANS_VTOTAL_SHIFT     16
+#define  TRANS_VACTIVE_SHIFT    0
+#define TRANS_VBLANK_A          0xe0010
+#define  TRANS_VBLANK_END_SHIFT 16
+#define  TRANS_VBLANK_START_SHIFT 0
+#define TRANS_VSYNC_A           0xe0014
+#define  TRANS_VSYNC_END_SHIFT  16
+#define  TRANS_VSYNC_START_SHIFT 0
+
+#define TRANSA_DATA_M1          0xe0030
+#define TRANSA_DATA_N1          0xe0034
+#define TRANSA_DATA_M2          0xe0038
+#define TRANSA_DATA_N2          0xe003c
+#define TRANSA_DP_LINK_M1       0xe0040
+#define TRANSA_DP_LINK_N1       0xe0044
+#define TRANSA_DP_LINK_M2       0xe0048
+#define TRANSA_DP_LINK_N2       0xe004c
+
+#define TRANS_HTOTAL_B          0xe1000
+#define TRANS_HBLANK_B          0xe1004
+#define TRANS_HSYNC_B           0xe1008
+#define TRANS_VTOTAL_B          0xe100c
+#define TRANS_VBLANK_B          0xe1010
+#define TRANS_VSYNC_B           0xe1014
+
+#define TRANSB_DATA_M1          0xe1030
+#define TRANSB_DATA_N1          0xe1034
+#define TRANSB_DATA_M2          0xe1038
+#define TRANSB_DATA_N2          0xe103c
+#define TRANSB_DP_LINK_M1       0xe1040
+#define TRANSB_DP_LINK_N1       0xe1044
+#define TRANSB_DP_LINK_M2       0xe1048
+#define TRANSB_DP_LINK_N2       0xe104c
+
+#define TRANSACONF              0xf0008
+#define TRANSBCONF              0xf1008
+#define  TRANS_DISABLE          (0<<31)
+#define  TRANS_ENABLE           (1<<31)
+#define  TRANS_STATE_MASK       (1<<30)
+#define  TRANS_STATE_DISABLE    (0<<30)
+#define  TRANS_STATE_ENABLE     (1<<30)
+#define  TRANS_FSYNC_DELAY_HB1  (0<<27)
+#define  TRANS_FSYNC_DELAY_HB2  (1<<27)
+#define  TRANS_FSYNC_DELAY_HB3  (2<<27)
+#define  TRANS_FSYNC_DELAY_HB4  (3<<27)
+#define  TRANS_DP_AUDIO_ONLY    (1<<26)
+#define  TRANS_DP_VIDEO_AUDIO   (0<<26)
+#define  TRANS_PROGRESSIVE      (0<<21)
+#define  TRANS_8BPC             (0<<5)
+#define  TRANS_10BPC            (1<<5)
+#define  TRANS_6BPC             (2<<5)
+#define  TRANS_12BPC            (3<<5)
+
+#define FDI_RXA_CHICKEN         0xc200c
+#define FDI_RXB_CHICKEN         0xc2010
+#define  FDI_RX_PHASE_SYNC_POINTER_ENABLE       (1)
+
+/* CPU: FDI_TX */
+#define FDI_TXA_CTL             0x60100
+#define FDI_TXB_CTL             0x61100
+#define  FDI_TX_DISABLE         (0<<31)
+#define  FDI_TX_ENABLE          (1<<31)
+#define  FDI_LINK_TRAIN_PATTERN_1       (0<<28)
+#define  FDI_LINK_TRAIN_PATTERN_2       (1<<28)
+#define  FDI_LINK_TRAIN_PATTERN_IDLE    (2<<28)
+#define  FDI_LINK_TRAIN_NONE            (3<<28)
+#define  FDI_LINK_TRAIN_VOLTAGE_0_4V    (0<<25)
+#define  FDI_LINK_TRAIN_VOLTAGE_0_6V    (1<<25)
+#define  FDI_LINK_TRAIN_VOLTAGE_0_8V    (2<<25)
+#define  FDI_LINK_TRAIN_VOLTAGE_1_2V    (3<<25)
+#define  FDI_LINK_TRAIN_PRE_EMPHASIS_NONE (0<<22)
+#define  FDI_LINK_TRAIN_PRE_EMPHASIS_1_5X (1<<22)
+#define  FDI_LINK_TRAIN_PRE_EMPHASIS_2X   (2<<22)
+#define  FDI_LINK_TRAIN_PRE_EMPHASIS_3X   (3<<22)
+#define  FDI_DP_PORT_WIDTH_X1           (0<<19)
+#define  FDI_DP_PORT_WIDTH_X2           (1<<19)
+#define  FDI_DP_PORT_WIDTH_X3           (2<<19)
+#define  FDI_DP_PORT_WIDTH_X4           (3<<19)
+#define  FDI_TX_ENHANCE_FRAME_ENABLE    (1<<18)
+/* IGDNG: hardwired to 1 */
+#define  FDI_TX_PLL_ENABLE              (1<<14)
+/* both Tx and Rx */
+#define  FDI_SCRAMBLING_ENABLE          (0<<7)
+#define  FDI_SCRAMBLING_DISABLE         (1<<7)
+
+/* FDI_RX, FDI_X is hard-wired to Transcoder_X */
+#define FDI_RXA_CTL             0xf000c
+#define FDI_RXB_CTL             0xf100c
+#define  FDI_RX_ENABLE          (1<<31)
+#define  FDI_RX_DISABLE         (0<<31)
+/* train, dp width same as FDI_TX */
+#define  FDI_DP_PORT_WIDTH_X8           (7<<19)
+#define  FDI_8BPC                       (0<<16)
+#define  FDI_10BPC                      (1<<16)
+#define  FDI_6BPC                       (2<<16)
+#define  FDI_12BPC                      (3<<16)
+#define  FDI_LINK_REVERSE_OVERWRITE     (1<<15)
+#define  FDI_DMI_LINK_REVERSE_MASK      (1<<14)
+#define  FDI_RX_PLL_ENABLE              (1<<13)
+#define  FDI_FS_ERR_CORRECT_ENABLE      (1<<11)
+#define  FDI_FE_ERR_CORRECT_ENABLE      (1<<10)
+#define  FDI_FS_ERR_REPORT_ENABLE       (1<<9)
+#define  FDI_FE_ERR_REPORT_ENABLE       (1<<8)
+#define  FDI_RX_ENHANCE_FRAME_ENABLE    (1<<6)
+#define  FDI_SEL_RAWCLK                 (0<<4)
+#define  FDI_SEL_PCDCLK                 (1<<4)
+
+#define FDI_RXA_MISC            0xf0010
+#define FDI_RXB_MISC            0xf1010
+#define FDI_RXA_TUSIZE1         0xf0030
+#define FDI_RXA_TUSIZE2         0xf0038
+#define FDI_RXB_TUSIZE1         0xf1030
+#define FDI_RXB_TUSIZE2         0xf1038
+
+/* FDI_RX interrupt register format */
+#define FDI_RX_INTER_LANE_ALIGN         (1<<10)
+#define FDI_RX_SYMBOL_LOCK              (1<<9) /* train 2 */
+#define FDI_RX_BIT_LOCK                 (1<<8) /* train 1 */
+#define FDI_RX_TRAIN_PATTERN_2_FAIL     (1<<7)
+#define FDI_RX_FS_CODE_ERR              (1<<6)
+#define FDI_RX_FE_CODE_ERR              (1<<5)
+#define FDI_RX_SYMBOL_ERR_RATE_ABOVE    (1<<4)
+#define FDI_RX_HDCP_LINK_FAIL           (1<<3)
+#define FDI_RX_PIXEL_FIFO_OVERFLOW      (1<<2)
+#define FDI_RX_CROSS_CLOCK_OVERFLOW     (1<<1)
+#define FDI_RX_SYMBOL_QUEUE_OVERFLOW    (1<<0)
+
+#define FDI_RXA_IIR             0xf0014
+#define FDI_RXA_IMR             0xf0018
+#define FDI_RXB_IIR             0xf1014
+#define FDI_RXB_IMR             0xf1018
+
+#define FDI_PLL_CTL_1           0xfe000
+#define FDI_PLL_CTL_2           0xfe004
+
+/* CRT */
+#define PCH_ADPA                0xe1100
+#define  ADPA_TRANS_SELECT_MASK (1<<30)
+#define  ADPA_TRANS_A_SELECT    0
+#define  ADPA_TRANS_B_SELECT    (1<<30)
+#define  ADPA_CRT_HOTPLUG_MASK  0x03ff0000 /* bit 25-16 */
+#define  ADPA_CRT_HOTPLUG_MONITOR_NONE  (0<<24)
+#define  ADPA_CRT_HOTPLUG_MONITOR_MASK  (3<<24)
+#define  ADPA_CRT_HOTPLUG_MONITOR_COLOR (3<<24)
+#define  ADPA_CRT_HOTPLUG_MONITOR_MONO  (2<<24)
+#define  ADPA_CRT_HOTPLUG_ENABLE        (1<<23)
+#define  ADPA_CRT_HOTPLUG_PERIOD_64     (0<<22)
+#define  ADPA_CRT_HOTPLUG_PERIOD_128    (1<<22)
+#define  ADPA_CRT_HOTPLUG_WARMUP_5MS    (0<<21)
+#define  ADPA_CRT_HOTPLUG_WARMUP_10MS   (1<<21)
+#define  ADPA_CRT_HOTPLUG_SAMPLE_2S     (0<<20)
+#define  ADPA_CRT_HOTPLUG_SAMPLE_4S     (1<<20)
+#define  ADPA_CRT_HOTPLUG_VOLTAGE_40    (0<<18)
+#define  ADPA_CRT_HOTPLUG_VOLTAGE_50    (1<<18)
+#define  ADPA_CRT_HOTPLUG_VOLTAGE_60    (2<<18)
+#define  ADPA_CRT_HOTPLUG_VOLTAGE_70    (3<<18)
+#define  ADPA_CRT_HOTPLUG_VOLREF_325MV  (0<<17)
+#define  ADPA_CRT_HOTPLUG_VOLREF_475MV  (1<<17)
+#define  ADPA_CRT_HOTPLUG_FORCE_TRIGGER (1<<16)
+
+/* or SDVOB */
+#define HDMIB   0xe1140
+#define  PORT_ENABLE    (1 << 31)
+#define  TRANSCODER_A   (0)
+#define  TRANSCODER_B   (1 << 30)
+#define  COLOR_FORMAT_8bpc      (0)
+#define  COLOR_FORMAT_12bpc     (3 << 26)
+#define  SDVOB_HOTPLUG_ENABLE   (1 << 23)
+#define  SDVO_ENCODING          (0)
+#define  TMDS_ENCODING          (2 << 10)
+#define  NULL_PACKET_VSYNC_ENABLE       (1 << 9)
+#define  SDVOB_BORDER_ENABLE    (1 << 7)
+#define  AUDIO_ENABLE           (1 << 6)
+#define  VSYNC_ACTIVE_HIGH      (1 << 4)
+#define  HSYNC_ACTIVE_HIGH      (1 << 3)
+#define  PORT_DETECTED          (1 << 2)
+
+#define HDMIC   0xe1150
+#define HDMID   0xe1160
+
+#define PCH_LVDS	0xe1180
+#define  LVDS_DETECTED	(1 << 1)
+
+#define BLC_PWM_CPU_CTL2	0x48250
+#define  PWM_ENABLE		(1 << 31)
+#define  PWM_PIPE_A		(0 << 29)
+#define  PWM_PIPE_B		(1 << 29)
+#define BLC_PWM_CPU_CTL		0x48254
+
+#define BLC_PWM_PCH_CTL1	0xc8250
+#define  PWM_PCH_ENABLE		(1 << 31)
+#define  PWM_POLARITY_ACTIVE_LOW	(1 << 29)
+#define  PWM_POLARITY_ACTIVE_HIGH	(0 << 29)
+#define  PWM_POLARITY_ACTIVE_LOW2	(1 << 28)
+#define  PWM_POLARITY_ACTIVE_HIGH2	(0 << 28)
+
+#define BLC_PWM_PCH_CTL2	0xc8254
+
+#define PCH_PP_STATUS		0xc7200
+#define PCH_PP_CONTROL		0xc7204
+#define  EDP_FORCE_VDD		(1 << 3)
+#define  EDP_BLC_ENABLE		(1 << 2)
+#define  PANEL_POWER_RESET	(1 << 1)
+#define  PANEL_POWER_OFF	(0 << 0)
+#define  PANEL_POWER_ON		(1 << 0)
+#define PCH_PP_ON_DELAYS	0xc7208
+#define  EDP_PANEL		(1 << 30)
+#define PCH_PP_OFF_DELAYS	0xc720c
+#define PCH_PP_DIVISOR		0xc7210
+
 #endif /* _I915_REG_H_ */

drivers/gpu/drm/i915/i915_suspend.c

@@ -295,6 +295,16 @@ int i915_save_state(struct drm_device *dev)
 	i915_save_palette(dev, PIPE_B);
 	dev_priv->savePIPEBSTAT = I915_READ(PIPEBSTAT);
 
+	/* Cursor state */
+	dev_priv->saveCURACNTR = I915_READ(CURACNTR);
+	dev_priv->saveCURAPOS = I915_READ(CURAPOS);
+	dev_priv->saveCURABASE = I915_READ(CURABASE);
+	dev_priv->saveCURBCNTR = I915_READ(CURBCNTR);
+	dev_priv->saveCURBPOS = I915_READ(CURBPOS);
+	dev_priv->saveCURBBASE = I915_READ(CURBBASE);
+	if (!IS_I9XX(dev))
+		dev_priv->saveCURSIZE = I915_READ(CURSIZE);
+
 	/* CRT state */
 	dev_priv->saveADPA = I915_READ(ADPA);
 
@@ -480,6 +490,16 @@ int i915_restore_state(struct drm_device *dev)
 	I915_WRITE(DSPBCNTR, dev_priv->saveDSPBCNTR);
 	I915_WRITE(DSPBADDR, I915_READ(DSPBADDR));
 
+	/* Cursor state */
+	I915_WRITE(CURAPOS, dev_priv->saveCURAPOS);
+	I915_WRITE(CURACNTR, dev_priv->saveCURACNTR);
+	I915_WRITE(CURABASE, dev_priv->saveCURABASE);
+	I915_WRITE(CURBPOS, dev_priv->saveCURBPOS);
+	I915_WRITE(CURBCNTR, dev_priv->saveCURBCNTR);
+	I915_WRITE(CURBBASE, dev_priv->saveCURBBASE);
+	if (!IS_I9XX(dev))
+		I915_WRITE(CURSIZE, dev_priv->saveCURSIZE);
+
 	/* CRT state */
 	I915_WRITE(ADPA, dev_priv->saveADPA);
 

drivers/gpu/drm/i915/intel_bios.c

@@ -30,6 +30,8 @@
 #include "i915_drv.h"
 #include "intel_bios.h"
 
+#define	SLAVE_ADDR1	0x70
+#define	SLAVE_ADDR2	0x72
 
 static void *
 find_section(struct bdb_header *bdb, int section_id)
@@ -193,6 +195,88 @@ parse_general_features(struct drm_i915_private *dev_priv,
 	}
 }
 
+static void
+parse_sdvo_device_mapping(struct drm_i915_private *dev_priv,
+		       struct bdb_header *bdb)
+{
+	struct sdvo_device_mapping *p_mapping;
+	struct bdb_general_definitions *p_defs;
+	struct child_device_config *p_child;
+	int i, child_device_num, count;
+	u16	block_size, *block_ptr;
+
+	p_defs = find_section(bdb, BDB_GENERAL_DEFINITIONS);
+	if (!p_defs) {
+		DRM_DEBUG("No general definition block is found\n");
+		return;
+	}
+	/* judge whether the size of child device meets the requirements.
+	 * If the child device size obtained from general definition block
+	 * is different with sizeof(struct child_device_config), skip the
+	 * parsing of sdvo device info
+	 */
+	if (p_defs->child_dev_size != sizeof(*p_child)) {
+		/* different child dev size . Ignore it */
+		DRM_DEBUG("different child size is found. Invalid.\n");
+		return;
+	}
+	/* get the block size of general definitions */
+	block_ptr = (u16 *)((char *)p_defs - 2);
+	block_size = *block_ptr;
+	/* get the number of child device */
+	child_device_num = (block_size - sizeof(*p_defs)) /
+				sizeof(*p_child);
+	count = 0;
+	for (i = 0; i < child_device_num; i++) {
+		p_child = &(p_defs->devices[i]);
+		if (!p_child->device_type) {
+			/* skip the device block if device type is invalid */
+			continue;
+		}
+		if (p_child->slave_addr != SLAVE_ADDR1 &&
+			p_child->slave_addr != SLAVE_ADDR2) {
+			/*
+			 * If the slave address is neither 0x70 nor 0x72,
+			 * it is not a SDVO device. Skip it.
+			 */
+			continue;
+		}
+		if (p_child->dvo_port != DEVICE_PORT_DVOB &&
+			p_child->dvo_port != DEVICE_PORT_DVOC) {
+			/* skip the incorrect SDVO port */
+			DRM_DEBUG("Incorrect SDVO port. Skip it \n");
+			continue;
+		}
+		DRM_DEBUG("the SDVO device with slave addr %2x is found on "
+				"%s port\n",
+				p_child->slave_addr,
+				(p_child->dvo_port == DEVICE_PORT_DVOB) ?
+					"SDVOB" : "SDVOC");
+		p_mapping = &(dev_priv->sdvo_mappings[p_child->dvo_port - 1]);
+		if (!p_mapping->initialized) {
+			p_mapping->dvo_port = p_child->dvo_port;
+			p_mapping->slave_addr = p_child->slave_addr;
+			p_mapping->dvo_wiring = p_child->dvo_wiring;
+			p_mapping->initialized = 1;
+		} else {
+			DRM_DEBUG("Maybe one SDVO port is shared by "
+					 "two SDVO device.\n");
+		}
+		if (p_child->slave2_addr) {
+			/* Maybe this is a SDVO device with multiple inputs */
+			/* And the mapping info is not added */
+			DRM_DEBUG("there exists the slave2_addr. Maybe this "
+				"is a SDVO device with multiple inputs.\n");
+		}
+		count++;
+	}
+
+	if (!count) {
+		/* No SDVO device info is found */
+		DRM_DEBUG("No SDVO device info is found in VBT\n");
+	}
+	return;
+}
 /**
  * intel_init_bios - initialize VBIOS settings & find VBT
  * @dev: DRM device
@@ -242,7 +326,7 @@ intel_init_bios(struct drm_device *dev)
 	parse_general_features(dev_priv, bdb);
 	parse_lfp_panel_data(dev_priv, bdb);
 	parse_sdvo_panel_data(dev_priv, bdb);
-
+	parse_sdvo_device_mapping(dev_priv, bdb);
 	pci_unmap_rom(pdev, bios);
 
 	return 0;

drivers/gpu/drm/i915/intel_bios.h

@@ -135,6 +135,86 @@ struct bdb_general_features {
 	u8 rsvd11:6; /* finish byte */
 } __attribute__((packed));
 
+/* pre-915 */
+#define GPIO_PIN_DVI_LVDS	0x03 /* "DVI/LVDS DDC GPIO pins" */
+#define GPIO_PIN_ADD_I2C	0x05 /* "ADDCARD I2C GPIO pins" */
+#define GPIO_PIN_ADD_DDC	0x04 /* "ADDCARD DDC GPIO pins" */
+#define GPIO_PIN_ADD_DDC_I2C	0x06 /* "ADDCARD DDC/I2C GPIO pins" */
+
+/* Pre 915 */
+#define DEVICE_TYPE_NONE	0x00
+#define DEVICE_TYPE_CRT		0x01
+#define DEVICE_TYPE_TV		0x09
+#define DEVICE_TYPE_EFP		0x12
+#define DEVICE_TYPE_LFP		0x22
+/* On 915+ */
+#define DEVICE_TYPE_CRT_DPMS		0x6001
+#define DEVICE_TYPE_CRT_DPMS_HOTPLUG	0x4001
+#define DEVICE_TYPE_TV_COMPOSITE	0x0209
+#define DEVICE_TYPE_TV_MACROVISION	0x0289
+#define DEVICE_TYPE_TV_RF_COMPOSITE	0x020c
+#define DEVICE_TYPE_TV_SVIDEO_COMPOSITE	0x0609
+#define DEVICE_TYPE_TV_SCART		0x0209
+#define DEVICE_TYPE_TV_CODEC_HOTPLUG_PWR 0x6009
+#define DEVICE_TYPE_EFP_HOTPLUG_PWR	0x6012
+#define DEVICE_TYPE_EFP_DVI_HOTPLUG_PWR	0x6052
+#define DEVICE_TYPE_EFP_DVI_I		0x6053
+#define DEVICE_TYPE_EFP_DVI_D_DUAL	0x6152
+#define DEVICE_TYPE_EFP_DVI_D_HDCP	0x60d2
+#define DEVICE_TYPE_OPENLDI_HOTPLUG_PWR	0x6062
+#define DEVICE_TYPE_OPENLDI_DUALPIX	0x6162
+#define DEVICE_TYPE_LFP_PANELLINK	0x5012
+#define DEVICE_TYPE_LFP_CMOS_PWR	0x5042
+#define DEVICE_TYPE_LFP_LVDS_PWR	0x5062
+#define DEVICE_TYPE_LFP_LVDS_DUAL	0x5162
+#define DEVICE_TYPE_LFP_LVDS_DUAL_HDCP	0x51e2
+
+#define DEVICE_CFG_NONE		0x00
+#define DEVICE_CFG_12BIT_DVOB	0x01
+#define DEVICE_CFG_12BIT_DVOC	0x02
+#define DEVICE_CFG_24BIT_DVOBC	0x09
+#define DEVICE_CFG_24BIT_DVOCB	0x0a
+#define DEVICE_CFG_DUAL_DVOB	0x11
+#define DEVICE_CFG_DUAL_DVOC	0x12
+#define DEVICE_CFG_DUAL_DVOBC	0x13
+#define DEVICE_CFG_DUAL_LINK_DVOBC	0x19
+#define DEVICE_CFG_DUAL_LINK_DVOCB	0x1a
+
+#define DEVICE_WIRE_NONE	0x00
+#define DEVICE_WIRE_DVOB	0x01
+#define DEVICE_WIRE_DVOC	0x02
+#define DEVICE_WIRE_DVOBC	0x03
+#define DEVICE_WIRE_DVOBB	0x05
+#define DEVICE_WIRE_DVOCC	0x06
+#define DEVICE_WIRE_DVOB_MASTER 0x0d
+#define DEVICE_WIRE_DVOC_MASTER 0x0e
+
+#define DEVICE_PORT_DVOA	0x00 /* none on 845+ */
+#define DEVICE_PORT_DVOB	0x01
+#define DEVICE_PORT_DVOC	0x02
+
+struct child_device_config {
+	u16 handle;
+	u16 device_type;
+	u8  device_id[10]; /* See DEVICE_TYPE_* above */
+	u16 addin_offset;
+	u8  dvo_port; /* See Device_PORT_* above */
+	u8  i2c_pin;
+	u8  slave_addr;
+	u8  ddc_pin;
+	u16 edid_ptr;
+	u8  dvo_cfg; /* See DEVICE_CFG_* above */
+	u8  dvo2_port;
+	u8  i2c2_pin;
+	u8  slave2_addr;
+	u8  ddc2_pin;
+	u8  capabilities;
+	u8  dvo_wiring;/* See DEVICE_WIRE_* above */
+	u8  dvo2_wiring;
+	u16 extended_type;
+	u8  dvo_function;
+} __attribute__((packed));
+
 struct bdb_general_definitions {
 	/* DDC GPIO */
 	u8 crt_ddc_gmbus_pin;
@@ -149,14 +229,19 @@ struct bdb_general_definitions {
 	u8 boot_display[2];
 	u8 child_dev_size;
 
-	/* device info */
-	u8 tv_or_lvds_info[33];
-	u8 dev1[33];
-	u8 dev2[33];
-	u8 dev3[33];
-	u8 dev4[33];
-	/* may be another device block here on some platforms */
-};
+	/*
+	 * Device info:
+	 * If TV is present, it'll be at devices[0].
+	 * LVDS will be next, either devices[0] or [1], if present.
+	 * On some platforms the number of device is 6. But could be as few as
+	 * 4 if both TV and LVDS are missing.
+	 * And the device num is related with the size of general definition
+	 * block. It is obtained by using the following formula:
+	 * number = (block_size - sizeof(bdb_general_definitions))/
+	 * 		sizeof(child_device_config);
+	 */
+	struct child_device_config devices[0];
+} __attribute__((packed));
 
 struct bdb_lvds_options {
 	u8 panel_type;

drivers/gpu/drm/i915/intel_crt.c

@@ -37,9 +37,14 @@ static void intel_crt_dpms(struct drm_encoder *encoder, int mode)
 {
 	struct drm_device *dev = encoder->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	u32 temp;
+	u32 temp, reg;
 
-	temp = I915_READ(ADPA);
+	if (IS_IGDNG(dev))
+		reg = PCH_ADPA;
+	else
+		reg = ADPA;
+
+	temp = I915_READ(reg);
 	temp &= ~(ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE);
 	temp |= ADPA_DAC_ENABLE;
 
@@ -58,7 +63,7 @@ static void intel_crt_dpms(struct drm_encoder *encoder, int mode)
 		break;
 	}
 
-	I915_WRITE(ADPA, temp);
+	I915_WRITE(reg, temp);
 }
 
 static int intel_crt_mode_valid(struct drm_connector *connector,
@@ -101,17 +106,23 @@ static void intel_crt_mode_set(struct drm_encoder *encoder,
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	int dpll_md_reg;
 	u32 adpa, dpll_md;
+	u32 adpa_reg;
 
 	if (intel_crtc->pipe == 0)
 		dpll_md_reg = DPLL_A_MD;
 	else
 		dpll_md_reg = DPLL_B_MD;
 
+	if (IS_IGDNG(dev))
+		adpa_reg = PCH_ADPA;
+	else
+		adpa_reg = ADPA;
+
 	/*
 	 * Disable separate mode multiplier used when cloning SDVO to CRT
 	 * XXX this needs to be adjusted when we really are cloning
 	 */
-	if (IS_I965G(dev)) {
+	if (IS_I965G(dev) && !IS_IGDNG(dev)) {
 		dpll_md = I915_READ(dpll_md_reg);
 		I915_WRITE(dpll_md_reg,
 			   dpll_md & ~DPLL_MD_UDI_MULTIPLIER_MASK);
@@ -125,13 +136,53 @@ static void intel_crt_mode_set(struct drm_encoder *encoder,
 
 	if (intel_crtc->pipe == 0) {
 		adpa |= ADPA_PIPE_A_SELECT;
+		if (!IS_IGDNG(dev))
 			I915_WRITE(BCLRPAT_A, 0);
 	} else {
 		adpa |= ADPA_PIPE_B_SELECT;
+		if (!IS_IGDNG(dev))
 			I915_WRITE(BCLRPAT_B, 0);
 	}
 
-	I915_WRITE(ADPA, adpa);
+	I915_WRITE(adpa_reg, adpa);
+}
+
+static bool intel_igdng_crt_detect_hotplug(struct drm_connector *connector)
+{
+	struct drm_device *dev = connector->dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	u32 adpa, temp;
+	bool ret;
+
+	temp = adpa = I915_READ(PCH_ADPA);
+
+	adpa &= ~ADPA_CRT_HOTPLUG_MASK;
+
+	adpa |= (ADPA_CRT_HOTPLUG_PERIOD_128 |
+			ADPA_CRT_HOTPLUG_WARMUP_10MS |
+			ADPA_CRT_HOTPLUG_SAMPLE_4S |
+			ADPA_CRT_HOTPLUG_VOLTAGE_50 | /* default */
+			ADPA_CRT_HOTPLUG_VOLREF_325MV |
+			ADPA_CRT_HOTPLUG_ENABLE |
+			ADPA_CRT_HOTPLUG_FORCE_TRIGGER);
+
+	DRM_DEBUG("pch crt adpa 0x%x", adpa);
+	I915_WRITE(PCH_ADPA, adpa);
+
+	/* This might not be needed as not specified in spec...*/
+	udelay(1000);
+
+	/* Check the status to see if both blue and green are on now */
+	adpa = I915_READ(PCH_ADPA);
+	if ((adpa & ADPA_CRT_HOTPLUG_MONITOR_MASK) ==
+			ADPA_CRT_HOTPLUG_MONITOR_COLOR)
+		ret = true;
+	else
+		ret = false;
+
+	/* restore origin register */
+	I915_WRITE(PCH_ADPA, temp);
+	return ret;
 }
 
 /**
@@ -148,6 +199,10 @@ static bool intel_crt_detect_hotplug(struct drm_connector *connector)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	u32 hotplug_en;
 	int i, tries = 0;
+
+	if (IS_IGDNG(dev))
+		return intel_igdng_crt_detect_hotplug(connector);
+
 	/*
 	 * On 4 series desktop, CRT detect sequence need to be done twice
 	 * to get a reliable result.
@@ -423,6 +478,7 @@ void intel_crt_init(struct drm_device *dev)
 {
 	struct drm_connector *connector;
 	struct intel_output *intel_output;
+	u32 i2c_reg;
 
 	intel_output = kzalloc(sizeof(struct intel_output), GFP_KERNEL);
 	if (!intel_output)
@@ -439,7 +495,11 @@ void intel_crt_init(struct drm_device *dev)
 					  &intel_output->enc);
 
 	/* Set up the DDC bus. */
-	intel_output->ddc_bus = intel_i2c_create(dev, GPIOA, "CRTDDC_A");
+	if (IS_IGDNG(dev))
+		i2c_reg = PCH_GPIOA;
+	else
+		i2c_reg = GPIOA;
+	intel_output->ddc_bus = intel_i2c_create(dev, i2c_reg, "CRTDDC_A");
 	if (!intel_output->ddc_bus) {
 		dev_printk(KERN_ERR, &dev->pdev->dev, "DDC bus registration "
 			   "failed.\n");

drivers/gpu/drm/i915/intel_display.c

@@ -137,6 +137,8 @@ struct intel_limit {
 #define INTEL_LIMIT_G4X_DUAL_CHANNEL_LVDS   7
 #define INTEL_LIMIT_IGD_SDVO_DAC    8
 #define INTEL_LIMIT_IGD_LVDS	    9
+#define INTEL_LIMIT_IGDNG_SDVO_DAC  10
+#define INTEL_LIMIT_IGDNG_LVDS	    11
 
 /*The parameter is for SDVO on G4x platform*/
 #define G4X_DOT_SDVO_MIN           25000
@@ -216,12 +218,43 @@ struct intel_limit {
 #define G4X_P2_DUAL_CHANNEL_LVDS_FAST           7
 #define G4X_P2_DUAL_CHANNEL_LVDS_LIMIT          0
 
+/* IGDNG */
+/* as we calculate clock using (register_value + 2) for
+   N/M1/M2, so here the range value for them is (actual_value-2).
+ */
+#define IGDNG_DOT_MIN         25000
+#define IGDNG_DOT_MAX         350000
+#define IGDNG_VCO_MIN         1760000
+#define IGDNG_VCO_MAX         3510000
+#define IGDNG_N_MIN           1
+#define IGDNG_N_MAX           5
+#define IGDNG_M_MIN           79
+#define IGDNG_M_MAX           118
+#define IGDNG_M1_MIN          12
+#define IGDNG_M1_MAX          23
+#define IGDNG_M2_MIN          5
+#define IGDNG_M2_MAX          9
+#define IGDNG_P_SDVO_DAC_MIN  5
+#define IGDNG_P_SDVO_DAC_MAX  80
+#define IGDNG_P_LVDS_MIN      28
+#define IGDNG_P_LVDS_MAX      112
+#define IGDNG_P1_MIN          1
+#define IGDNG_P1_MAX          8
+#define IGDNG_P2_SDVO_DAC_SLOW 10
+#define IGDNG_P2_SDVO_DAC_FAST 5
+#define IGDNG_P2_LVDS_SLOW    14 /* single channel */
+#define IGDNG_P2_LVDS_FAST    7  /* double channel */
+#define IGDNG_P2_DOT_LIMIT    225000 /* 225Mhz */
+
 static bool
 intel_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
 		    int target, int refclk, intel_clock_t *best_clock);
 static bool
 intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
 			int target, int refclk, intel_clock_t *best_clock);
+static bool
+intel_igdng_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
+			int target, int refclk, intel_clock_t *best_clock);
 
 static const intel_limit_t intel_limits[] = {
     { /* INTEL_LIMIT_I8XX_DVO_DAC */
@@ -383,9 +416,47 @@ static const intel_limit_t intel_limits[] = {
 		 .p2_slow = I9XX_P2_LVDS_SLOW,	.p2_fast = I9XX_P2_LVDS_SLOW },
 	.find_pll = intel_find_best_PLL,
     },
-
+    { /* INTEL_LIMIT_IGDNG_SDVO_DAC */
+	.dot = { .min = IGDNG_DOT_MIN,          .max = IGDNG_DOT_MAX },
+	.vco = { .min = IGDNG_VCO_MIN,          .max = IGDNG_VCO_MAX },
+	.n   = { .min = IGDNG_N_MIN,            .max = IGDNG_N_MAX },
+	.m   = { .min = IGDNG_M_MIN,            .max = IGDNG_M_MAX },
+	.m1  = { .min = IGDNG_M1_MIN,           .max = IGDNG_M1_MAX },
+	.m2  = { .min = IGDNG_M2_MIN,           .max = IGDNG_M2_MAX },
+	.p   = { .min = IGDNG_P_SDVO_DAC_MIN,   .max = IGDNG_P_SDVO_DAC_MAX },
+	.p1  = { .min = IGDNG_P1_MIN,           .max = IGDNG_P1_MAX },
+	.p2  = { .dot_limit = IGDNG_P2_DOT_LIMIT,
+		 .p2_slow = IGDNG_P2_SDVO_DAC_SLOW,
+		 .p2_fast = IGDNG_P2_SDVO_DAC_FAST },
+	.find_pll = intel_igdng_find_best_PLL,
+    },
+    { /* INTEL_LIMIT_IGDNG_LVDS */
+	.dot = { .min = IGDNG_DOT_MIN,          .max = IGDNG_DOT_MAX },
+	.vco = { .min = IGDNG_VCO_MIN,          .max = IGDNG_VCO_MAX },
+	.n   = { .min = IGDNG_N_MIN,            .max = IGDNG_N_MAX },
+	.m   = { .min = IGDNG_M_MIN,            .max = IGDNG_M_MAX },
+	.m1  = { .min = IGDNG_M1_MIN,           .max = IGDNG_M1_MAX },
+	.m2  = { .min = IGDNG_M2_MIN,           .max = IGDNG_M2_MAX },
+	.p   = { .min = IGDNG_P_LVDS_MIN,       .max = IGDNG_P_LVDS_MAX },
+	.p1  = { .min = IGDNG_P1_MIN,           .max = IGDNG_P1_MAX },
+	.p2  = { .dot_limit = IGDNG_P2_DOT_LIMIT,
+		 .p2_slow = IGDNG_P2_LVDS_SLOW,
+		 .p2_fast = IGDNG_P2_LVDS_FAST },
+	.find_pll = intel_igdng_find_best_PLL,
+    },
 };
 
+static const intel_limit_t *intel_igdng_limit(struct drm_crtc *crtc)
+{
+	const intel_limit_t *limit;
+	if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS))
+		limit = &intel_limits[INTEL_LIMIT_IGDNG_LVDS];
+	else
+		limit = &intel_limits[INTEL_LIMIT_IGDNG_SDVO_DAC];
+
+	return limit;
+}
+
 static const intel_limit_t *intel_g4x_limit(struct drm_crtc *crtc)
 {
 	struct drm_device *dev = crtc->dev;
@@ -418,7 +489,9 @@ static const intel_limit_t *intel_limit(struct drm_crtc *crtc)
 	struct drm_device *dev = crtc->dev;
 	const intel_limit_t *limit;
 
-	if (IS_G4X(dev)) {
+	if (IS_IGDNG(dev))
+		limit = intel_igdng_limit(crtc);
+	else if (IS_G4X(dev)) {
 		limit = intel_g4x_limit(crtc);
 	} else if (IS_I9XX(dev) && !IS_IGD(dev)) {
 		if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS))
@@ -630,7 +703,64 @@ intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
 			}
 		}
 	}
+	return found;
+}
 
+static bool
+intel_igdng_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
+			int target, int refclk, intel_clock_t *best_clock)
+{
+	struct drm_device *dev = crtc->dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	intel_clock_t clock;
+	int max_n;
+	bool found;
+	int err_most = 47;
+	found = false;
+
+	if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
+		if ((I915_READ(LVDS) & LVDS_CLKB_POWER_MASK) ==
+		    LVDS_CLKB_POWER_UP)
+			clock.p2 = limit->p2.p2_fast;
+		else
+			clock.p2 = limit->p2.p2_slow;
+	} else {
+		if (target < limit->p2.dot_limit)
+			clock.p2 = limit->p2.p2_slow;
+		else
+			clock.p2 = limit->p2.p2_fast;
+	}
+
+	memset(best_clock, 0, sizeof(*best_clock));
+	max_n = limit->n.max;
+	/* based on hardware requriment prefer smaller n to precision */
+	for (clock.n = limit->n.min; clock.n <= max_n; clock.n++) {
+		/* based on hardware requirment prefere larger m1,m2, p1 */
+		for (clock.m1 = limit->m1.max;
+		     clock.m1 >= limit->m1.min; clock.m1--) {
+			for (clock.m2 = limit->m2.max;
+			     clock.m2 >= limit->m2.min; clock.m2--) {
+				for (clock.p1 = limit->p1.max;
+				     clock.p1 >= limit->p1.min; clock.p1--) {
+					int this_err;
+
+					intel_clock(dev, refclk, &clock);
+					if (!intel_PLL_is_valid(crtc, &clock))
+						continue;
+					this_err = abs((10000 - (target*10000/clock.dot)));
+					if (this_err < err_most) {
+						*best_clock = clock;
+						err_most = this_err;
+						max_n = clock.n;
+						found = true;
+						/* found on first matching */
+						goto out;
+					}
+				}
+			}
+		}
+	}
+out:
 	return found;
 }
 
@@ -785,18 +915,292 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
 	return 0;
 }
 
+static void igdng_crtc_dpms(struct drm_crtc *crtc, int mode)
+{
+	struct drm_device *dev = crtc->dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+	int pipe = intel_crtc->pipe;
+	int plane = intel_crtc->pipe;
+	int pch_dpll_reg = (pipe == 0) ? PCH_DPLL_A : PCH_DPLL_B;
+	int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF;
+	int dspcntr_reg = (plane == 0) ? DSPACNTR : DSPBCNTR;
+	int dspbase_reg = (plane == 0) ? DSPAADDR : DSPBADDR;
+	int fdi_tx_reg = (pipe == 0) ? FDI_TXA_CTL : FDI_TXB_CTL;
+	int fdi_rx_reg = (pipe == 0) ? FDI_RXA_CTL : FDI_RXB_CTL;
+	int fdi_rx_iir_reg = (pipe == 0) ? FDI_RXA_IIR : FDI_RXB_IIR;
+	int fdi_rx_imr_reg = (pipe == 0) ? FDI_RXA_IMR : FDI_RXB_IMR;
+	int transconf_reg = (pipe == 0) ? TRANSACONF : TRANSBCONF;
+	int pf_ctl_reg = (pipe == 0) ? PFA_CTL_1 : PFB_CTL_1;
+	int cpu_htot_reg = (pipe == 0) ? HTOTAL_A : HTOTAL_B;
+	int cpu_hblank_reg = (pipe == 0) ? HBLANK_A : HBLANK_B;
+	int cpu_hsync_reg = (pipe == 0) ? HSYNC_A : HSYNC_B;
+	int cpu_vtot_reg = (pipe == 0) ? VTOTAL_A : VTOTAL_B;
+	int cpu_vblank_reg = (pipe == 0) ? VBLANK_A : VBLANK_B;
+	int cpu_vsync_reg = (pipe == 0) ? VSYNC_A : VSYNC_B;
+	int trans_htot_reg = (pipe == 0) ? TRANS_HTOTAL_A : TRANS_HTOTAL_B;
+	int trans_hblank_reg = (pipe == 0) ? TRANS_HBLANK_A : TRANS_HBLANK_B;
+	int trans_hsync_reg = (pipe == 0) ? TRANS_HSYNC_A : TRANS_HSYNC_B;
+	int trans_vtot_reg = (pipe == 0) ? TRANS_VTOTAL_A : TRANS_VTOTAL_B;
+	int trans_vblank_reg = (pipe == 0) ? TRANS_VBLANK_A : TRANS_VBLANK_B;
+	int trans_vsync_reg = (pipe == 0) ? TRANS_VSYNC_A : TRANS_VSYNC_B;
+	u32 temp;
+	int tries = 5, j;
 
-
-/**
- * Sets the power management mode of the pipe and plane.
- *
- * This code should probably grow support for turning the cursor off and back
- * on appropriately at the same time as we're turning the pipe off/on.
+	/* XXX: When our outputs are all unaware of DPMS modes other than off
+	 * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC.
 	 */
-static void intel_crtc_dpms(struct drm_crtc *crtc, int mode)
+	switch (mode) {
+	case DRM_MODE_DPMS_ON:
+	case DRM_MODE_DPMS_STANDBY:
+	case DRM_MODE_DPMS_SUSPEND:
+		DRM_DEBUG("crtc %d dpms on\n", pipe);
+		/* enable PCH DPLL */
+		temp = I915_READ(pch_dpll_reg);
+		if ((temp & DPLL_VCO_ENABLE) == 0) {
+			I915_WRITE(pch_dpll_reg, temp | DPLL_VCO_ENABLE);
+			I915_READ(pch_dpll_reg);
+		}
+
+		/* enable PCH FDI RX PLL, wait warmup plus DMI latency */
+		temp = I915_READ(fdi_rx_reg);
+		I915_WRITE(fdi_rx_reg, temp | FDI_RX_PLL_ENABLE |
+				FDI_SEL_PCDCLK |
+				FDI_DP_PORT_WIDTH_X4); /* default 4 lanes */
+		I915_READ(fdi_rx_reg);
+		udelay(200);
+
+		/* Enable CPU FDI TX PLL, always on for IGDNG */
+		temp = I915_READ(fdi_tx_reg);
+		if ((temp & FDI_TX_PLL_ENABLE) == 0) {
+			I915_WRITE(fdi_tx_reg, temp | FDI_TX_PLL_ENABLE);
+			I915_READ(fdi_tx_reg);
+			udelay(100);
+		}
+
+		/* Enable CPU pipe */
+		temp = I915_READ(pipeconf_reg);
+		if ((temp & PIPEACONF_ENABLE) == 0) {
+			I915_WRITE(pipeconf_reg, temp | PIPEACONF_ENABLE);
+			I915_READ(pipeconf_reg);
+			udelay(100);
+		}
+
+		/* configure and enable CPU plane */
+		temp = I915_READ(dspcntr_reg);
+		if ((temp & DISPLAY_PLANE_ENABLE) == 0) {
+			I915_WRITE(dspcntr_reg, temp | DISPLAY_PLANE_ENABLE);
+			/* Flush the plane changes */
+			I915_WRITE(dspbase_reg, I915_READ(dspbase_reg));
+		}
+
+		/* enable CPU FDI TX and PCH FDI RX */
+		temp = I915_READ(fdi_tx_reg);
+		temp |= FDI_TX_ENABLE;
+		temp |= FDI_DP_PORT_WIDTH_X4; /* default */
+		temp &= ~FDI_LINK_TRAIN_NONE;
+		temp |= FDI_LINK_TRAIN_PATTERN_1;
+		I915_WRITE(fdi_tx_reg, temp);
+		I915_READ(fdi_tx_reg);
+
+		temp = I915_READ(fdi_rx_reg);
+		temp &= ~FDI_LINK_TRAIN_NONE;
+		temp |= FDI_LINK_TRAIN_PATTERN_1;
+		I915_WRITE(fdi_rx_reg, temp | FDI_RX_ENABLE);
+		I915_READ(fdi_rx_reg);
+
+		udelay(150);
+
+		/* Train FDI. */
+		/* umask FDI RX Interrupt symbol_lock and bit_lock bit
+		   for train result */
+		temp = I915_READ(fdi_rx_imr_reg);
+		temp &= ~FDI_RX_SYMBOL_LOCK;
+		temp &= ~FDI_RX_BIT_LOCK;
+		I915_WRITE(fdi_rx_imr_reg, temp);
+		I915_READ(fdi_rx_imr_reg);
+		udelay(150);
+
+		temp = I915_READ(fdi_rx_iir_reg);
+		DRM_DEBUG("FDI_RX_IIR 0x%x\n", temp);
+
+		if ((temp & FDI_RX_BIT_LOCK) == 0) {
+			for (j = 0; j < tries; j++) {
+				temp = I915_READ(fdi_rx_iir_reg);
+				DRM_DEBUG("FDI_RX_IIR 0x%x\n", temp);
+				if (temp & FDI_RX_BIT_LOCK)
+					break;
+				udelay(200);
+			}
+			if (j != tries)
+				I915_WRITE(fdi_rx_iir_reg,
+						temp | FDI_RX_BIT_LOCK);
+			else
+				DRM_DEBUG("train 1 fail\n");
+		} else {
+			I915_WRITE(fdi_rx_iir_reg,
+					temp | FDI_RX_BIT_LOCK);
+			DRM_DEBUG("train 1 ok 2!\n");
+		}
+		temp = I915_READ(fdi_tx_reg);
+		temp &= ~FDI_LINK_TRAIN_NONE;
+		temp |= FDI_LINK_TRAIN_PATTERN_2;
+		I915_WRITE(fdi_tx_reg, temp);
+
+		temp = I915_READ(fdi_rx_reg);
+		temp &= ~FDI_LINK_TRAIN_NONE;
+		temp |= FDI_LINK_TRAIN_PATTERN_2;
+		I915_WRITE(fdi_rx_reg, temp);
+
+		udelay(150);
+
+		temp = I915_READ(fdi_rx_iir_reg);
+		DRM_DEBUG("FDI_RX_IIR 0x%x\n", temp);
+
+		if ((temp & FDI_RX_SYMBOL_LOCK) == 0) {
+			for (j = 0; j < tries; j++) {
+				temp = I915_READ(fdi_rx_iir_reg);
+				DRM_DEBUG("FDI_RX_IIR 0x%x\n", temp);
+				if (temp & FDI_RX_SYMBOL_LOCK)
+					break;
+				udelay(200);
+			}
+			if (j != tries) {
+				I915_WRITE(fdi_rx_iir_reg,
+						temp | FDI_RX_SYMBOL_LOCK);
+				DRM_DEBUG("train 2 ok 1!\n");
+			} else
+				DRM_DEBUG("train 2 fail\n");
+		} else {
+			I915_WRITE(fdi_rx_iir_reg, temp | FDI_RX_SYMBOL_LOCK);
+			DRM_DEBUG("train 2 ok 2!\n");
+		}
+		DRM_DEBUG("train done\n");
+
+		/* set transcoder timing */
+		I915_WRITE(trans_htot_reg, I915_READ(cpu_htot_reg));
+		I915_WRITE(trans_hblank_reg, I915_READ(cpu_hblank_reg));
+		I915_WRITE(trans_hsync_reg, I915_READ(cpu_hsync_reg));
+
+		I915_WRITE(trans_vtot_reg, I915_READ(cpu_vtot_reg));
+		I915_WRITE(trans_vblank_reg, I915_READ(cpu_vblank_reg));
+		I915_WRITE(trans_vsync_reg, I915_READ(cpu_vsync_reg));
+
+		/* enable PCH transcoder */
+		temp = I915_READ(transconf_reg);
+		I915_WRITE(transconf_reg, temp | TRANS_ENABLE);
+		I915_READ(transconf_reg);
+
+		while ((I915_READ(transconf_reg) & TRANS_STATE_ENABLE) == 0)
+			;
+
+		/* enable normal */
+
+		temp = I915_READ(fdi_tx_reg);
+		temp &= ~FDI_LINK_TRAIN_NONE;
+		I915_WRITE(fdi_tx_reg, temp | FDI_LINK_TRAIN_NONE |
+				FDI_TX_ENHANCE_FRAME_ENABLE);
+		I915_READ(fdi_tx_reg);
+
+		temp = I915_READ(fdi_rx_reg);
+		temp &= ~FDI_LINK_TRAIN_NONE;
+		I915_WRITE(fdi_rx_reg, temp | FDI_LINK_TRAIN_NONE |
+				FDI_RX_ENHANCE_FRAME_ENABLE);
+		I915_READ(fdi_rx_reg);
+
+		/* wait one idle pattern time */
+		udelay(100);
+
+		intel_crtc_load_lut(crtc);
+
+	break;
+	case DRM_MODE_DPMS_OFF:
+		DRM_DEBUG("crtc %d dpms off\n", pipe);
+
+		/* Disable the VGA plane that we never use */
+		I915_WRITE(CPU_VGACNTRL, VGA_DISP_DISABLE);
+
+		/* Disable display plane */
+		temp = I915_READ(dspcntr_reg);
+		if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
+			I915_WRITE(dspcntr_reg, temp & ~DISPLAY_PLANE_ENABLE);
+			/* Flush the plane changes */
+			I915_WRITE(dspbase_reg, I915_READ(dspbase_reg));
+			I915_READ(dspbase_reg);
+		}
+
+		/* disable cpu pipe, disable after all planes disabled */
+		temp = I915_READ(pipeconf_reg);
+		if ((temp & PIPEACONF_ENABLE) != 0) {
+			I915_WRITE(pipeconf_reg, temp & ~PIPEACONF_ENABLE);
+			I915_READ(pipeconf_reg);
+			/* wait for cpu pipe off, pipe state */
+			while ((I915_READ(pipeconf_reg) & I965_PIPECONF_ACTIVE) != 0)
+				;
+		} else
+			DRM_DEBUG("crtc %d is disabled\n", pipe);
+
+		/* IGDNG-A : disable cpu panel fitter ? */
+		temp = I915_READ(pf_ctl_reg);
+		if ((temp & PF_ENABLE) != 0) {
+			I915_WRITE(pf_ctl_reg, temp & ~PF_ENABLE);
+			I915_READ(pf_ctl_reg);
+		}
+
+		/* disable CPU FDI tx and PCH FDI rx */
+		temp = I915_READ(fdi_tx_reg);
+		I915_WRITE(fdi_tx_reg, temp & ~FDI_TX_ENABLE);
+		I915_READ(fdi_tx_reg);
+
+		temp = I915_READ(fdi_rx_reg);
+		I915_WRITE(fdi_rx_reg, temp & ~FDI_RX_ENABLE);
+		I915_READ(fdi_rx_reg);
+
+		/* still set train pattern 1 */
+		temp = I915_READ(fdi_tx_reg);
+		temp &= ~FDI_LINK_TRAIN_NONE;
+		temp |= FDI_LINK_TRAIN_PATTERN_1;
+		I915_WRITE(fdi_tx_reg, temp);
+
+		temp = I915_READ(fdi_rx_reg);
+		temp &= ~FDI_LINK_TRAIN_NONE;
+		temp |= FDI_LINK_TRAIN_PATTERN_1;
+		I915_WRITE(fdi_rx_reg, temp);
+
+		/* disable PCH transcoder */
+		temp = I915_READ(transconf_reg);
+		if ((temp & TRANS_ENABLE) != 0) {
+			I915_WRITE(transconf_reg, temp & ~TRANS_ENABLE);
+			I915_READ(transconf_reg);
+			/* wait for PCH transcoder off, transcoder state */
+			while ((I915_READ(transconf_reg) & TRANS_STATE_ENABLE) != 0)
+				;
+		}
+
+		/* disable PCH DPLL */
+		temp = I915_READ(pch_dpll_reg);
+		if ((temp & DPLL_VCO_ENABLE) != 0) {
+			I915_WRITE(pch_dpll_reg, temp & ~DPLL_VCO_ENABLE);
+			I915_READ(pch_dpll_reg);
+		}
+
+		temp = I915_READ(fdi_rx_reg);
+		if ((temp & FDI_RX_PLL_ENABLE) != 0) {
+			temp &= ~FDI_SEL_PCDCLK;
+			temp &= ~FDI_RX_PLL_ENABLE;
+			I915_WRITE(fdi_rx_reg, temp);
+			I915_READ(fdi_rx_reg);
+		}
+
+		/* Wait for the clocks to turn off. */
+		udelay(150);
+		break;
+	}
+}
+
+static void i9xx_crtc_dpms(struct drm_crtc *crtc, int mode)
 {
 	struct drm_device *dev = crtc->dev;
-	struct drm_i915_master_private *master_priv;
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 	int pipe = intel_crtc->pipe;
@@ -805,7 +1209,6 @@ static void intel_crtc_dpms(struct drm_crtc *crtc, int mode)
 	int dspbase_reg = (pipe == 0) ? DSPAADDR : DSPBADDR;
 	int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF;
 	u32 temp;
-	bool enabled;
 
 	/* XXX: When our outputs are all unaware of DPMS modes other than off
 	 * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC.
@@ -890,6 +1293,26 @@ static void intel_crtc_dpms(struct drm_crtc *crtc, int mode)
 		udelay(150);
 		break;
 	}
+}
+
+/**
+ * Sets the power management mode of the pipe and plane.
+ *
+ * This code should probably grow support for turning the cursor off and back
+ * on appropriately at the same time as we're turning the pipe off/on.
+ */
+static void intel_crtc_dpms(struct drm_crtc *crtc, int mode)
+{
+	struct drm_device *dev = crtc->dev;
+	struct drm_i915_master_private *master_priv;
+	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+	int pipe = intel_crtc->pipe;
+	bool enabled;
+
+	if (IS_IGDNG(dev))
+		igdng_crtc_dpms(crtc, mode);
+	else
+		i9xx_crtc_dpms(crtc, mode);
 
 	if (!dev->primary->master)
 		return;
@@ -947,6 +1370,12 @@ static bool intel_crtc_mode_fixup(struct drm_crtc *crtc,
 				  struct drm_display_mode *mode,
 				  struct drm_display_mode *adjusted_mode)
 {
+	struct drm_device *dev = crtc->dev;
+	if (IS_IGDNG(dev)) {
+		/* FDI link clock is fixed at 2.7G */
+		if (mode->clock * 3 > 27000 * 4)
+			return MODE_CLOCK_HIGH;
+	}
 	return true;
 }
 
@@ -1030,6 +1459,48 @@ static int intel_panel_fitter_pipe (struct drm_device *dev)
 	return 1;
 }
 
+struct fdi_m_n {
+	u32        tu;
+	u32        gmch_m;
+	u32        gmch_n;
+	u32        link_m;
+	u32        link_n;
+};
+
+static void
+fdi_reduce_ratio(u32 *num, u32 *den)
+{
+	while (*num > 0xffffff || *den > 0xffffff) {
+		*num >>= 1;
+		*den >>= 1;
+	}
+}
+
+#define DATA_N 0x800000
+#define LINK_N 0x80000
+
+static void
+igdng_compute_m_n(int bytes_per_pixel, int nlanes,
+		int pixel_clock, int link_clock,
+		struct fdi_m_n *m_n)
+{
+	u64 temp;
+
+	m_n->tu = 64; /* default size */
+
+	temp = (u64) DATA_N * pixel_clock;
+	temp = div_u64(temp, link_clock);
+	m_n->gmch_m = (temp * bytes_per_pixel) / nlanes;
+	m_n->gmch_n = DATA_N;
+	fdi_reduce_ratio(&m_n->gmch_m, &m_n->gmch_n);
+
+	temp = (u64) LINK_N * pixel_clock;
+	m_n->link_m = div_u64(temp, link_clock);
+	m_n->link_n = LINK_N;
+	fdi_reduce_ratio(&m_n->link_m, &m_n->link_n);
+}
+
+
 static int intel_crtc_mode_set(struct drm_crtc *crtc,
 			       struct drm_display_mode *mode,
 			       struct drm_display_mode *adjusted_mode,
@@ -1063,6 +1534,17 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 	struct drm_connector *connector;
 	const intel_limit_t *limit;
 	int ret;
+	struct fdi_m_n m_n = {0};
+	int data_m1_reg = (pipe == 0) ? PIPEA_DATA_M1 : PIPEB_DATA_M1;
+	int data_n1_reg = (pipe == 0) ? PIPEA_DATA_N1 : PIPEB_DATA_N1;
+	int link_m1_reg = (pipe == 0) ? PIPEA_LINK_M1 : PIPEB_LINK_M1;
+	int link_n1_reg = (pipe == 0) ? PIPEA_LINK_N1 : PIPEB_LINK_N1;
+	int pch_fp_reg = (pipe == 0) ? PCH_FPA0 : PCH_FPB0;
+	int pch_dpll_reg = (pipe == 0) ? PCH_DPLL_A : PCH_DPLL_B;
+	int fdi_rx_reg = (pipe == 0) ? FDI_RXA_CTL : FDI_RXB_CTL;
+	int lvds_reg = LVDS;
+	u32 temp;
+	int sdvo_pixel_multiply;
 
 	drm_vblank_pre_modeset(dev, pipe);
 
@@ -1101,6 +1583,8 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 		DRM_DEBUG("using SSC reference clock of %d MHz\n", refclk / 1000);
 	} else if (IS_I9XX(dev)) {
 		refclk = 96000;
+		if (IS_IGDNG(dev))
+			refclk = 120000; /* 120Mhz refclk */
 	} else {
 		refclk = 48000;
 	}
@@ -1114,6 +1598,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 	ok = limit->find_pll(limit, crtc, adjusted_mode->clock, refclk, &clock);
 	if (!ok) {
 		DRM_ERROR("Couldn't find PLL settings for mode!\n");
+		drm_vblank_post_modeset(dev, pipe);
 		return -EINVAL;
 	}
 
@@ -1137,12 +1622,21 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 		}
 	}
 
+	/* FDI link */
+	if (IS_IGDNG(dev))
+		igdng_compute_m_n(3, 4, /* lane num 4 */
+				adjusted_mode->clock,
+				270000, /* lane clock */
+				&m_n);
+
 	if (IS_IGD(dev))
 		fp = (1 << clock.n) << 16 | clock.m1 << 8 | clock.m2;
 	else
 		fp = clock.n << 16 | clock.m1 << 8 | clock.m2;
 
+	if (!IS_IGDNG(dev))
 		dpll = DPLL_VGA_MODE_DIS;
+
 	if (IS_I9XX(dev)) {
 		if (is_lvds)
 			dpll |= DPLLB_MODE_LVDS;
@@ -1150,17 +1644,22 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 			dpll |= DPLLB_MODE_DAC_SERIAL;
 		if (is_sdvo) {
 			dpll |= DPLL_DVO_HIGH_SPEED;
-			if (IS_I945G(dev) || IS_I945GM(dev)) {
-				int sdvo_pixel_multiply = adjusted_mode->clock / mode->clock;
+			sdvo_pixel_multiply = adjusted_mode->clock / mode->clock;
+			if (IS_I945G(dev) || IS_I945GM(dev))
 				dpll |= (sdvo_pixel_multiply - 1) << SDVO_MULTIPLIER_SHIFT_HIRES;
-			}
+			else if (IS_IGDNG(dev))
+				dpll |= (sdvo_pixel_multiply - 1) << PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT;
 		}
 
 		/* compute bitmask from p1 value */
 		if (IS_IGD(dev))
 			dpll |= (1 << (clock.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT_IGD;
-		else
+		else {
 			dpll |= (1 << (clock.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT;
+			/* also FPA1 */
+			if (IS_IGDNG(dev))
+				dpll |= (1 << (clock.p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT;
+		}
 		switch (clock.p2) {
 		case 5:
 			dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5;
@@ -1175,7 +1674,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 			dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14;
 			break;
 		}
-		if (IS_I965G(dev))
+		if (IS_I965G(dev) && !IS_IGDNG(dev))
 			dpll |= (6 << PLL_LOAD_PULSE_PHASE_SHIFT);
 	} else {
 		if (is_lvds) {
@@ -1207,10 +1706,14 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 	/* Set up the display plane register */
 	dspcntr = DISPPLANE_GAMMA_ENABLE;
 
+	/* IGDNG's plane is forced to pipe, bit 24 is to
+	   enable color space conversion */
+	if (!IS_IGDNG(dev)) {
 		if (pipe == 0)
 			dspcntr |= DISPPLANE_SEL_PIPE_A;
 		else
 			dspcntr |= DISPPLANE_SEL_PIPE_B;
+	}
 
 	if (pipe == 0 && !IS_I965G(dev)) {
 		/* Enable pixel doubling when the dot clock is > 90% of the (display)
@@ -1231,12 +1734,17 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 
 
 	/* Disable the panel fitter if it was on our pipe */
-	if (intel_panel_fitter_pipe(dev) == pipe)
+	if (!IS_IGDNG(dev) && intel_panel_fitter_pipe(dev) == pipe)
 		I915_WRITE(PFIT_CONTROL, 0);
 
 	DRM_DEBUG("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B');
 	drm_mode_debug_printmodeline(mode);
 
+	/* assign to IGDNG registers */
+	if (IS_IGDNG(dev)) {
+		fp_reg = pch_fp_reg;
+		dpll_reg = pch_dpll_reg;
+	}
 
 	if (dpll & DPLL_VCO_ENABLE) {
 		I915_WRITE(fp_reg, fp);
@@ -1245,13 +1753,33 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 		udelay(150);
 	}
 
+	if (IS_IGDNG(dev)) {
+		/* enable PCH clock reference source */
+		/* XXX need to change the setting for other outputs */
+		u32 temp;
+		temp = I915_READ(PCH_DREF_CONTROL);
+		temp &= ~DREF_NONSPREAD_SOURCE_MASK;
+		temp |= DREF_NONSPREAD_CK505_ENABLE;
+		temp &= ~DREF_SSC_SOURCE_MASK;
+		temp |= DREF_SSC_SOURCE_ENABLE;
+		temp &= ~DREF_SSC1_ENABLE;
+		/* if no eDP, disable source output to CPU */
+		temp &= ~DREF_CPU_SOURCE_OUTPUT_MASK;
+		temp |= DREF_CPU_SOURCE_OUTPUT_DISABLE;
+		I915_WRITE(PCH_DREF_CONTROL, temp);
+	}
+
 	/* The LVDS pin pair needs to be on before the DPLLs are enabled.
 	 * This is an exception to the general rule that mode_set doesn't turn
 	 * things on.
 	 */
 	if (is_lvds) {
-		u32 lvds = I915_READ(LVDS);
+		u32 lvds;
+
+		if (IS_IGDNG(dev))
+			lvds_reg = PCH_LVDS;
 
+		lvds = I915_READ(lvds_reg);
 		lvds |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP | LVDS_PIPEB_SELECT;
 		/* Set the B0-B3 data pairs corresponding to whether we're going to
 		 * set the DPLLs for dual-channel mode or not.
@@ -1266,8 +1794,8 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 		 * panels behave in the two modes.
 		 */
 
-		I915_WRITE(LVDS, lvds);
-		I915_READ(LVDS);
+		I915_WRITE(lvds_reg, lvds);
+		I915_READ(lvds_reg);
 	}
 
 	I915_WRITE(fp_reg, fp);
@@ -1276,8 +1804,8 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 	/* Wait for the clocks to stabilize. */
 	udelay(150);
 
-	if (IS_I965G(dev)) {
-		int sdvo_pixel_multiply = adjusted_mode->clock / mode->clock;
+	if (IS_I965G(dev) && !IS_IGDNG(dev)) {
+		sdvo_pixel_multiply = adjusted_mode->clock / mode->clock;
 		I915_WRITE(dpll_md_reg, (0 << DPLL_MD_UDI_DIVIDER_SHIFT) |
 			   ((sdvo_pixel_multiply - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT));
 	} else {
@@ -1303,9 +1831,25 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 	/* pipesrc and dspsize control the size that is scaled from, which should
 	 * always be the user's requested size.
 	 */
-	I915_WRITE(dspsize_reg, ((mode->vdisplay - 1) << 16) | (mode->hdisplay - 1));
+	if (!IS_IGDNG(dev)) {
+		I915_WRITE(dspsize_reg, ((mode->vdisplay - 1) << 16) |
+				(mode->hdisplay - 1));
 		I915_WRITE(dsppos_reg, 0);
+	}
 	I915_WRITE(pipesrc_reg, ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1));
+
+	if (IS_IGDNG(dev)) {
+		I915_WRITE(data_m1_reg, TU_SIZE(m_n.tu) | m_n.gmch_m);
+		I915_WRITE(data_n1_reg, TU_SIZE(m_n.tu) | m_n.gmch_n);
+		I915_WRITE(link_m1_reg, m_n.link_m);
+		I915_WRITE(link_n1_reg, m_n.link_n);
+
+		 /* enable FDI RX PLL too */
+		temp = I915_READ(fdi_rx_reg);
+		I915_WRITE(fdi_rx_reg, temp | FDI_RX_PLL_ENABLE);
+		udelay(200);
+	}
+
 	I915_WRITE(pipeconf_reg, pipeconf);
 	I915_READ(pipeconf_reg);
 
@@ -1315,12 +1859,9 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 
 	/* Flush the plane changes */
 	ret = intel_pipe_set_base(crtc, x, y, old_fb);
-	if (ret != 0)
-	    return ret;
-
 	drm_vblank_post_modeset(dev, pipe);
 
-	return 0;
+	return ret;
 }
 
 /** Loads the palette/gamma unit for the CRTC with the prepared values */
@@ -1336,6 +1877,11 @@ void intel_crtc_load_lut(struct drm_crtc *crtc)
 	if (!crtc->enabled)
 		return;
 
+	/* use legacy palette for IGDNG */
+	if (IS_IGDNG(dev))
+		palreg = (intel_crtc->pipe == 0) ? LGC_PALETTE_A :
+						   LGC_PALETTE_B;
+
 	for (i = 0; i < 256; i++) {
 		I915_WRITE(palreg + 4 * i,
 			   (intel_crtc->lut_r[i] << 16) |
@@ -1464,16 +2010,16 @@ static int intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
 	uint32_t adder;
 
 	if (x < 0) {
-		temp |= (CURSOR_POS_SIGN << CURSOR_X_SHIFT);
+		temp |= CURSOR_POS_SIGN << CURSOR_X_SHIFT;
 		x = -x;
 	}
 	if (y < 0) {
-		temp |= (CURSOR_POS_SIGN << CURSOR_Y_SHIFT);
+		temp |= CURSOR_POS_SIGN << CURSOR_Y_SHIFT;
 		y = -y;
 	}
 
-	temp |= ((x & CURSOR_POS_MASK) << CURSOR_X_SHIFT);
-	temp |= ((y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT);
+	temp |= x << CURSOR_X_SHIFT;
+	temp |= y << CURSOR_Y_SHIFT;
 
 	adder = intel_crtc->cursor_addr;
 	I915_WRITE((pipe == 0) ? CURAPOS : CURBPOS, temp);
@@ -1590,6 +2136,7 @@ struct drm_crtc *intel_get_load_detect_pipe(struct intel_output *intel_output,
 	}
 
 	encoder->crtc = crtc;
+	intel_output->base.encoder = encoder;
 	intel_output->load_detect_temp = true;
 
 	intel_crtc = to_intel_crtc(crtc);
@@ -1625,6 +2172,7 @@ void intel_release_load_detect_pipe(struct intel_output *intel_output, int dpms_
 
 	if (intel_output->load_detect_temp) {
 		encoder->crtc = NULL;
+		intel_output->base.encoder = NULL;
 		intel_output->load_detect_temp = false;
 		crtc->enabled = drm_helper_crtc_in_use(crtc);
 		drm_helper_disable_unused_functions(dev);
@@ -1762,6 +2310,8 @@ static void intel_crtc_destroy(struct drm_crtc *crtc)
 {
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
 
+	if (intel_crtc->mode_set.mode)
+		drm_mode_destroy(crtc->dev, intel_crtc->mode_set.mode);
 	drm_crtc_cleanup(crtc);
 	kfree(intel_crtc);
 }
@@ -1888,7 +2438,24 @@ static void intel_setup_outputs(struct drm_device *dev)
 	if (IS_MOBILE(dev) && !IS_I830(dev))
 		intel_lvds_init(dev);
 
-	if (IS_I9XX(dev)) {
+	if (IS_IGDNG(dev)) {
+		int found;
+
+		if (I915_READ(HDMIB) & PORT_DETECTED) {
+			/* check SDVOB */
+			/* found = intel_sdvo_init(dev, HDMIB); */
+			found = 0;
+			if (!found)
+				intel_hdmi_init(dev, HDMIB);
+		}
+
+		if (I915_READ(HDMIC) & PORT_DETECTED)
+			intel_hdmi_init(dev, HDMIC);
+
+		if (I915_READ(HDMID) & PORT_DETECTED)
+			intel_hdmi_init(dev, HDMID);
+
+	} else if (IS_I9XX(dev)) {
 		int found;
 		u32 reg;
 
@@ -1912,7 +2479,7 @@ static void intel_setup_outputs(struct drm_device *dev)
 	} else
 		intel_dvo_init(dev);
 
-	if (IS_I9XX(dev) && IS_MOBILE(dev))
+	if (IS_I9XX(dev) && IS_MOBILE(dev) && !IS_IGDNG(dev))
 		intel_tv_init(dev);
 
 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {

drivers/gpu/drm/i915/intel_fb.c

@@ -207,7 +207,7 @@ static int intelfb_set_par(struct fb_info *info)
 
 	if (var->pixclock != -1) {
 
-		DRM_ERROR("PIXEL CLCOK SET\n");
+		DRM_ERROR("PIXEL CLOCK SET\n");
 		return -EINVAL;
 	} else {
 		struct drm_crtc *crtc;
@@ -674,8 +674,12 @@ static int intelfb_multi_fb_probe_crtc(struct drm_device *dev, struct drm_crtc *
 	par->crtc_ids[0] = crtc->base.id;
 
 	modeset->num_connectors = conn_count;
-	if (modeset->mode != modeset->crtc->desired_mode)
-		modeset->mode = modeset->crtc->desired_mode;
+	if (modeset->crtc->desired_mode) {
+		if (modeset->mode)
+			drm_mode_destroy(dev, modeset->mode);
+		modeset->mode = drm_mode_duplicate(dev,
+						   modeset->crtc->desired_mode);
+	}
 
 	par->crtc_count = 1;
 
@@ -824,8 +828,12 @@ static int intelfb_single_fb_probe(struct drm_device *dev)
 		par->crtc_ids[crtc_count++] = crtc->base.id;
 
 		modeset->num_connectors = conn_count;
-		if (modeset->mode != modeset->crtc->desired_mode)
-			modeset->mode = modeset->crtc->desired_mode;
+		if (modeset->crtc->desired_mode) {
+			if (modeset->mode)
+				drm_mode_destroy(dev, modeset->mode);
+			modeset->mode = drm_mode_duplicate(dev,
+							   modeset->crtc->desired_mode);
+		}
 	}
 	par->crtc_count = crtc_count;
 
@@ -857,10 +865,16 @@ void intelfb_restore(void)
 	drm_crtc_helper_set_config(&kernelfb_mode);
 }
 
-static void intelfb_sysrq(int dummy1, struct tty_struct *dummy3)
+static void intelfb_restore_work_fn(struct work_struct *ignored)
 {
 	intelfb_restore();
 }
+static DECLARE_WORK(intelfb_restore_work, intelfb_restore_work_fn);
+
+static void intelfb_sysrq(int dummy1, struct tty_struct *dummy3)
+{
+        schedule_work(&intelfb_restore_work);
+}
 
 static struct sysrq_key_op sysrq_intelfb_restore_op = {
         .handler = intelfb_sysrq,

drivers/gpu/drm/i915/intel_hdmi.c

@@ -56,7 +56,8 @@ static void intel_hdmi_mode_set(struct drm_encoder *encoder,
 	sdvox = SDVO_ENCODING_HDMI |
 		SDVO_BORDER_ENABLE |
 		SDVO_VSYNC_ACTIVE_HIGH |
-		SDVO_HSYNC_ACTIVE_HIGH;
+		SDVO_HSYNC_ACTIVE_HIGH |
+		SDVO_NULL_PACKETS_DURING_VSYNC;
 
 	if (hdmi_priv->has_hdmi_sink)
 		sdvox |= SDVO_AUDIO_ENABLE;
@@ -144,6 +145,22 @@ intel_hdmi_sink_detect(struct drm_connector *connector)
 	}
 }
 
+static enum drm_connector_status
+igdng_hdmi_detect(struct drm_connector *connector)
+{
+	struct intel_output *intel_output = to_intel_output(connector);
+	struct intel_hdmi_priv *hdmi_priv = intel_output->dev_priv;
+
+	/* FIXME hotplug detect */
+
+	hdmi_priv->has_hdmi_sink = false;
+	intel_hdmi_sink_detect(connector);
+	if (hdmi_priv->has_hdmi_sink)
+		return connector_status_connected;
+	else
+		return connector_status_disconnected;
+}
+
 static enum drm_connector_status
 intel_hdmi_detect(struct drm_connector *connector)
 {
@@ -153,6 +170,9 @@ intel_hdmi_detect(struct drm_connector *connector)
 	struct intel_hdmi_priv *hdmi_priv = intel_output->dev_priv;
 	u32 temp, bit;
 
+	if (IS_IGDNG(dev))
+		return igdng_hdmi_detect(connector);
+
 	temp = I915_READ(PORT_HOTPLUG_EN);
 
 	switch (hdmi_priv->sdvox_reg) {
@@ -269,8 +289,17 @@ void intel_hdmi_init(struct drm_device *dev, int sdvox_reg)
 	/* Set up the DDC bus. */
 	if (sdvox_reg == SDVOB)
 		intel_output->ddc_bus = intel_i2c_create(dev, GPIOE, "HDMIB");
-	else
+	else if (sdvox_reg == SDVOC)
 		intel_output->ddc_bus = intel_i2c_create(dev, GPIOD, "HDMIC");
+	else if (sdvox_reg == HDMIB)
+		intel_output->ddc_bus = intel_i2c_create(dev, PCH_GPIOE,
+								"HDMIB");
+	else if (sdvox_reg == HDMIC)
+		intel_output->ddc_bus = intel_i2c_create(dev, PCH_GPIOD,
+								"HDMIC");
+	else if (sdvox_reg == HDMID)
+		intel_output->ddc_bus = intel_i2c_create(dev, PCH_GPIOF,
+								"HDMID");
 
 	if (!intel_output->ddc_bus)
 		goto err_connector;

drivers/gpu/drm/i915/intel_lvds.c

@@ -37,6 +37,8 @@
 #include "i915_drm.h"
 #include "i915_drv.h"
 
+#define I915_LVDS "i915_lvds"
+
 /**
  * Sets the backlight level.
  *
@@ -45,10 +47,15 @@
 static void intel_lvds_set_backlight(struct drm_device *dev, int level)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	u32 blc_pwm_ctl;
+	u32 blc_pwm_ctl, reg;
+
+	if (IS_IGDNG(dev))
+		reg = BLC_PWM_CPU_CTL;
+	else
+		reg = BLC_PWM_CTL;
 
-	blc_pwm_ctl = I915_READ(BLC_PWM_CTL) & ~BACKLIGHT_DUTY_CYCLE_MASK;
-	I915_WRITE(BLC_PWM_CTL, (blc_pwm_ctl |
+	blc_pwm_ctl = I915_READ(reg) & ~BACKLIGHT_DUTY_CYCLE_MASK;
+	I915_WRITE(reg, (blc_pwm_ctl |
 				 (level << BACKLIGHT_DUTY_CYCLE_SHIFT)));
 }
 
@@ -58,8 +65,14 @@ static void intel_lvds_set_backlight(struct drm_device *dev, int level)
 static u32 intel_lvds_get_max_backlight(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
+	u32 reg;
+
+	if (IS_IGDNG(dev))
+		reg = BLC_PWM_PCH_CTL2;
+	else
+		reg = BLC_PWM_CTL;
 
-	return ((I915_READ(BLC_PWM_CTL) & BACKLIGHT_MODULATION_FREQ_MASK) >>
+	return ((I915_READ(reg) & BACKLIGHT_MODULATION_FREQ_MASK) >>
 		BACKLIGHT_MODULATION_FREQ_SHIFT) * 2;
 }
 
@@ -69,23 +82,31 @@ static u32 intel_lvds_get_max_backlight(struct drm_device *dev)
 static void intel_lvds_set_power(struct drm_device *dev, bool on)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	u32 pp_status;
+	u32 pp_status, ctl_reg, status_reg;
+
+	if (IS_IGDNG(dev)) {
+		ctl_reg = PCH_PP_CONTROL;
+		status_reg = PCH_PP_STATUS;
+	} else {
+		ctl_reg = PP_CONTROL;
+		status_reg = PP_STATUS;
+	}
 
 	if (on) {
-		I915_WRITE(PP_CONTROL, I915_READ(PP_CONTROL) |
+		I915_WRITE(ctl_reg, I915_READ(ctl_reg) |
 			   POWER_TARGET_ON);
 		do {
-			pp_status = I915_READ(PP_STATUS);
+			pp_status = I915_READ(status_reg);
 		} while ((pp_status & PP_ON) == 0);
 
 		intel_lvds_set_backlight(dev, dev_priv->backlight_duty_cycle);
 	} else {
 		intel_lvds_set_backlight(dev, 0);
 
-		I915_WRITE(PP_CONTROL, I915_READ(PP_CONTROL) &
+		I915_WRITE(ctl_reg, I915_READ(ctl_reg) &
 			   ~POWER_TARGET_ON);
 		do {
-			pp_status = I915_READ(PP_STATUS);
+			pp_status = I915_READ(status_reg);
 		} while (pp_status & PP_ON);
 	}
 }
@@ -106,12 +127,28 @@ static void intel_lvds_save(struct drm_connector *connector)
 {
 	struct drm_device *dev = connector->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
+	u32 pp_on_reg, pp_off_reg, pp_ctl_reg, pp_div_reg;
+	u32 pwm_ctl_reg;
+
+	if (IS_IGDNG(dev)) {
+		pp_on_reg = PCH_PP_ON_DELAYS;
+		pp_off_reg = PCH_PP_OFF_DELAYS;
+		pp_ctl_reg = PCH_PP_CONTROL;
+		pp_div_reg = PCH_PP_DIVISOR;
+		pwm_ctl_reg = BLC_PWM_CPU_CTL;
+	} else {
+		pp_on_reg = PP_ON_DELAYS;
+		pp_off_reg = PP_OFF_DELAYS;
+		pp_ctl_reg = PP_CONTROL;
+		pp_div_reg = PP_DIVISOR;
+		pwm_ctl_reg = BLC_PWM_CTL;
+	}
 
-	dev_priv->savePP_ON = I915_READ(PP_ON_DELAYS);
-	dev_priv->savePP_OFF = I915_READ(PP_OFF_DELAYS);
-	dev_priv->savePP_CONTROL = I915_READ(PP_CONTROL);
-	dev_priv->savePP_DIVISOR = I915_READ(PP_DIVISOR);
-	dev_priv->saveBLC_PWM_CTL = I915_READ(BLC_PWM_CTL);
+	dev_priv->savePP_ON = I915_READ(pp_on_reg);
+	dev_priv->savePP_OFF = I915_READ(pp_off_reg);
+	dev_priv->savePP_CONTROL = I915_READ(pp_ctl_reg);
+	dev_priv->savePP_DIVISOR = I915_READ(pp_div_reg);
+	dev_priv->saveBLC_PWM_CTL = I915_READ(pwm_ctl_reg);
 	dev_priv->backlight_duty_cycle = (dev_priv->saveBLC_PWM_CTL &
 				       BACKLIGHT_DUTY_CYCLE_MASK);
 
@@ -127,12 +164,28 @@ static void intel_lvds_restore(struct drm_connector *connector)
 {
 	struct drm_device *dev = connector->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
+	u32 pp_on_reg, pp_off_reg, pp_ctl_reg, pp_div_reg;
+	u32 pwm_ctl_reg;
+
+	if (IS_IGDNG(dev)) {
+		pp_on_reg = PCH_PP_ON_DELAYS;
+		pp_off_reg = PCH_PP_OFF_DELAYS;
+		pp_ctl_reg = PCH_PP_CONTROL;
+		pp_div_reg = PCH_PP_DIVISOR;
+		pwm_ctl_reg = BLC_PWM_CPU_CTL;
+	} else {
+		pp_on_reg = PP_ON_DELAYS;
+		pp_off_reg = PP_OFF_DELAYS;
+		pp_ctl_reg = PP_CONTROL;
+		pp_div_reg = PP_DIVISOR;
+		pwm_ctl_reg = BLC_PWM_CTL;
+	}
 
-	I915_WRITE(BLC_PWM_CTL, dev_priv->saveBLC_PWM_CTL);
-	I915_WRITE(PP_ON_DELAYS, dev_priv->savePP_ON);
-	I915_WRITE(PP_OFF_DELAYS, dev_priv->savePP_OFF);
-	I915_WRITE(PP_DIVISOR, dev_priv->savePP_DIVISOR);
-	I915_WRITE(PP_CONTROL, dev_priv->savePP_CONTROL);
+	I915_WRITE(pwm_ctl_reg, dev_priv->saveBLC_PWM_CTL);
+	I915_WRITE(pp_on_reg, dev_priv->savePP_ON);
+	I915_WRITE(pp_off_reg, dev_priv->savePP_OFF);
+	I915_WRITE(pp_div_reg, dev_priv->savePP_DIVISOR);
+	I915_WRITE(pp_ctl_reg, dev_priv->savePP_CONTROL);
 	if (dev_priv->savePP_CONTROL & POWER_TARGET_ON)
 		intel_lvds_set_power(dev, true);
 	else
@@ -216,8 +269,14 @@ static void intel_lvds_prepare(struct drm_encoder *encoder)
 {
 	struct drm_device *dev = encoder->dev;
 	struct drm_i915_private *dev_priv = dev->dev_private;
+	u32 reg;
+
+	if (IS_IGDNG(dev))
+		reg = BLC_PWM_CPU_CTL;
+	else
+		reg = BLC_PWM_CTL;
 
-	dev_priv->saveBLC_PWM_CTL = I915_READ(BLC_PWM_CTL);
+	dev_priv->saveBLC_PWM_CTL = I915_READ(reg);
 	dev_priv->backlight_duty_cycle = (dev_priv->saveBLC_PWM_CTL &
 				       BACKLIGHT_DUTY_CYCLE_MASK);
 
@@ -251,6 +310,10 @@ static void intel_lvds_mode_set(struct drm_encoder *encoder,
 	 * settings.
 	 */
 
+	/* No panel fitting yet, fixme */
+	if (IS_IGDNG(dev))
+		return;
+
 	/*
 	 * Enable automatic panel scaling so that non-native modes fill the
 	 * screen.  Should be enabled before the pipe is enabled, according to
@@ -382,7 +445,8 @@ static const struct drm_encoder_funcs intel_lvds_enc_funcs = {
 
 static int __init intel_no_lvds_dmi_callback(const struct dmi_system_id *id)
 {
-	DRM_DEBUG("Skipping LVDS initialization for %s\n", id->ident);
+	DRM_DEBUG_KMS(I915_LVDS,
+		      "Skipping LVDS initialization for %s\n", id->ident);
 	return 1;
 }
 
@@ -420,8 +484,21 @@ static const struct dmi_system_id intel_no_lvds[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "Studio Hybrid 140g"),
 		},
 	},
-
-	/* FIXME: add a check for the Aopen Mini PC */
+	{
+		.callback = intel_no_lvds_dmi_callback,
+		.ident = "AOpen Mini PC",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "AOpen"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "i965GMx-IF"),
+		},
+	},
+	{
+		.callback = intel_no_lvds_dmi_callback,
+		.ident = "Aopen i945GTt-VFA",
+		.matches = {
+			DMI_MATCH(DMI_PRODUCT_VERSION, "AO00001JW"),
+		},
+	},
 
 	{ }	/* terminating entry */
 };
@@ -442,12 +519,18 @@ void intel_lvds_init(struct drm_device *dev)
 	struct drm_display_mode *scan; /* *modes, *bios_mode; */
 	struct drm_crtc *crtc;
 	u32 lvds;
-	int pipe;
+	int pipe, gpio = GPIOC;
 
 	/* Skip init on machines we know falsely report LVDS */
 	if (dmi_check_system(intel_no_lvds))
 		return;
 
+	if (IS_IGDNG(dev)) {
+		if ((I915_READ(PCH_LVDS) & LVDS_DETECTED) == 0)
+			return;
+		gpio = PCH_GPIOC;
+	}
+
 	intel_output = kzalloc(sizeof(struct intel_output), GFP_KERNEL);
 	if (!intel_output) {
 		return;
@@ -482,7 +565,7 @@ void intel_lvds_init(struct drm_device *dev)
 	 */
 
 	/* Set up the DDC bus. */
-	intel_output->ddc_bus = intel_i2c_create(dev, GPIOC, "LVDSDDC_C");
+	intel_output->ddc_bus = intel_i2c_create(dev, gpio, "LVDSDDC_C");
 	if (!intel_output->ddc_bus) {
 		dev_printk(KERN_ERR, &dev->pdev->dev, "DDC bus registration "
 			   "failed.\n");
@@ -524,6 +607,11 @@ void intel_lvds_init(struct drm_device *dev)
 	 * on.  If so, assume that whatever is currently programmed is the
 	 * correct mode.
 	 */
+
+	/* IGDNG: FIXME if still fail, not try pipe mode now */
+	if (IS_IGDNG(dev))
+		goto failed;
+
 	lvds = I915_READ(LVDS);
 	pipe = (lvds & LVDS_PIPEB_SELECT) ? 1 : 0;
 	crtc = intel_get_crtc_from_pipe(dev, pipe);
@@ -542,11 +630,22 @@ void intel_lvds_init(struct drm_device *dev)
 		goto failed;
 
 out:
+	if (IS_IGDNG(dev)) {
+		u32 pwm;
+		/* make sure PWM is enabled */
+		pwm = I915_READ(BLC_PWM_CPU_CTL2);
+		pwm |= (PWM_ENABLE | PWM_PIPE_B);
+		I915_WRITE(BLC_PWM_CPU_CTL2, pwm);
+
+		pwm = I915_READ(BLC_PWM_PCH_CTL1);
+		pwm |= PWM_PCH_ENABLE;
+		I915_WRITE(BLC_PWM_PCH_CTL1, pwm);
+	}
 	drm_sysfs_connector_add(connector);
 	return;
 
 failed:
-	DRM_DEBUG("No LVDS modes found, disabling.\n");
+	DRM_DEBUG_KMS(I915_LVDS, "No LVDS modes found, disabling.\n");
 	if (intel_output->ddc_bus)
 		intel_i2c_destroy(intel_output->ddc_bus);
 	drm_connector_cleanup(connector);

drivers/gpu/drm/i915/intel_sdvo.c

@@ -36,7 +36,7 @@
 #include "intel_sdvo_regs.h"
 
 #undef SDVO_DEBUG
-
+#define I915_SDVO	"i915_sdvo"
 struct intel_sdvo_priv {
 	struct intel_i2c_chan *i2c_bus;
 	int slaveaddr;
@@ -277,20 +277,21 @@ static void intel_sdvo_debug_write(struct intel_output *intel_output, u8 cmd,
 	struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
 	int i;
 
-	printk(KERN_DEBUG "%s: W: %02X ", SDVO_NAME(sdvo_priv), cmd);
+	DRM_DEBUG_KMS(I915_SDVO, "%s: W: %02X ",
+				SDVO_NAME(sdvo_priv), cmd);
 	for (i = 0; i < args_len; i++)
-		printk(KERN_DEBUG "%02X ", ((u8 *)args)[i]);
+		DRM_LOG_KMS("%02X ", ((u8 *)args)[i]);
 	for (; i < 8; i++)
-		printk(KERN_DEBUG "   ");
+		DRM_LOG_KMS("   ");
 	for (i = 0; i < sizeof(sdvo_cmd_names) / sizeof(sdvo_cmd_names[0]); i++) {
 		if (cmd == sdvo_cmd_names[i].cmd) {
-			printk(KERN_DEBUG "(%s)", sdvo_cmd_names[i].name);
+			DRM_LOG_KMS("(%s)", sdvo_cmd_names[i].name);
 			break;
 		}
 	}
 	if (i == sizeof(sdvo_cmd_names)/ sizeof(sdvo_cmd_names[0]))
-		printk(KERN_DEBUG "(%02X)", cmd);
-	printk(KERN_DEBUG "\n");
+		DRM_LOG_KMS("(%02X)", cmd);
+	DRM_LOG_KMS("\n");
 }
 #else
 #define intel_sdvo_debug_write(o, c, a, l)
@@ -329,16 +330,16 @@ static void intel_sdvo_debug_response(struct intel_output *intel_output,
 	struct intel_sdvo_priv *sdvo_priv = intel_output->dev_priv;
 	int i;
 
-	printk(KERN_DEBUG "%s: R: ", SDVO_NAME(sdvo_priv));
+	DRM_DEBUG_KMS(I915_SDVO, "%s: R: ", SDVO_NAME(sdvo_priv));
 	for (i = 0; i < response_len; i++)
-		printk(KERN_DEBUG "%02X ", ((u8 *)response)[i]);
+		DRM_LOG_KMS("%02X ", ((u8 *)response)[i]);
 	for (; i < 8; i++)
-		printk(KERN_DEBUG "   ");
+		DRM_LOG_KMS("   ");
 	if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
-		printk(KERN_DEBUG "(%s)", cmd_status_names[status]);
+		DRM_LOG_KMS("(%s)", cmd_status_names[status]);
 	else
-		printk(KERN_DEBUG "(??? %d)", status);
-	printk(KERN_DEBUG "\n");
+		DRM_LOG_KMS("(??? %d)", status);
+	DRM_LOG_KMS("\n");
 }
 #else
 #define intel_sdvo_debug_response(o, r, l, s)
@@ -1742,6 +1743,43 @@ static struct i2c_algorithm intel_sdvo_i2c_bit_algo = {
 	.master_xfer	= intel_sdvo_master_xfer,
 };
 
+static u8
+intel_sdvo_get_slave_addr(struct drm_device *dev, int output_device)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct sdvo_device_mapping *my_mapping, *other_mapping;
+
+	if (output_device == SDVOB) {
+		my_mapping = &dev_priv->sdvo_mappings[0];
+		other_mapping = &dev_priv->sdvo_mappings[1];
+	} else {
+		my_mapping = &dev_priv->sdvo_mappings[1];
+		other_mapping = &dev_priv->sdvo_mappings[0];
+	}
+
+	/* If the BIOS described our SDVO device, take advantage of it. */
+	if (my_mapping->slave_addr)
+		return my_mapping->slave_addr;
+
+	/* If the BIOS only described a different SDVO device, use the
+	 * address that it isn't using.
+	 */
+	if (other_mapping->slave_addr) {
+		if (other_mapping->slave_addr == 0x70)
+			return 0x72;
+		else
+			return 0x70;
+	}
+
+	/* No SDVO device info is found for another DVO port,
+	 * so use mapping assumption we had before BIOS parsing.
+	 */
+	if (output_device == SDVOB)
+		return 0x70;
+	else
+		return 0x72;
+}
+
 bool intel_sdvo_init(struct drm_device *dev, int output_device)
 {
 	struct drm_connector *connector;
@@ -1753,6 +1791,7 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
 	u8 ch[0x40];
 	int i;
 	int encoder_type, output_id;
+	u8 slave_addr;
 
 	intel_output = kcalloc(sizeof(struct intel_output)+sizeof(struct intel_sdvo_priv), 1, GFP_KERNEL);
 	if (!intel_output) {
@@ -1771,16 +1810,15 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
 	if (!i2cbus)
 		goto err_inteloutput;
 
+	slave_addr = intel_sdvo_get_slave_addr(dev, output_device);
 	sdvo_priv->i2c_bus = i2cbus;
 
 	if (output_device == SDVOB) {
 		output_id = 1;
-		sdvo_priv->i2c_bus->slave_addr = 0x38;
 	} else {
 		output_id = 2;
-		sdvo_priv->i2c_bus->slave_addr = 0x39;
 	}
-
+	sdvo_priv->i2c_bus->slave_addr = slave_addr >> 1;
 	sdvo_priv->output_device = output_device;
 	intel_output->i2c_bus = i2cbus;
 	intel_output->dev_priv = sdvo_priv;
@@ -1788,7 +1826,8 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
 	/* Read the regs to test if we can talk to the device */
 	for (i = 0; i < 0x40; i++) {
 		if (!intel_sdvo_read_byte(intel_output, i, &ch[i])) {
-			DRM_DEBUG("No SDVO device found on SDVO%c\n",
+			DRM_DEBUG_KMS(I915_SDVO,
+					"No SDVO device found on SDVO%c\n",
 					output_device == SDVOB ? 'B' : 'C');
 			goto err_i2c;
 		}
@@ -1873,7 +1912,8 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
 
 		sdvo_priv->controlled_output = 0;
 		memcpy (bytes, &sdvo_priv->caps.output_flags, 2);
-		DRM_DEBUG("%s: Unknown SDVO output type (0x%02x%02x)\n",
+		DRM_DEBUG_KMS(I915_SDVO,
+				"%s: Unknown SDVO output type (0x%02x%02x)\n",
 				  SDVO_NAME(sdvo_priv),
 				  bytes[0], bytes[1]);
 		encoder_type = DRM_MODE_ENCODER_NONE;
@@ -1905,7 +1945,7 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
 					       &sdvo_priv->pixel_clock_max);
 
 
-	DRM_DEBUG("%s device VID/DID: %02X:%02X.%02X, "
+	DRM_DEBUG_KMS(I915_SDVO, "%s device VID/DID: %02X:%02X.%02X, "
 			"clock range %dMHz - %dMHz, "
 			"input 1: %c, input 2: %c, "
 			"output 1: %c, output 2: %c\n",

drivers/gpu/drm/i915/intel_tv.c

@@ -1392,6 +1392,9 @@ intel_tv_detect_type (struct drm_crtc *crtc, struct intel_output *intel_output)
 		tv_ctl &= ~TV_TEST_MODE_MASK;
 		tv_ctl |= TV_TEST_MODE_MONITOR_DETECT;
 		tv_dac &= ~TVDAC_SENSE_MASK;
+		tv_dac &= ~DAC_A_MASK;
+		tv_dac &= ~DAC_B_MASK;
+		tv_dac &= ~DAC_C_MASK;
 		tv_dac |= (TVDAC_STATE_CHG_EN |
 			   TVDAC_A_SENSE_CTL |
 			   TVDAC_B_SENSE_CTL |

drivers/gpu/drm/radeon/r600_cp.c

@@ -478,26 +478,27 @@ static void r700_cp_load_microcode(drm_radeon_private_t *dev_priv)
 
 	if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV770)) {
 		RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
-		DRM_INFO("Loading RV770 PFP Microcode\n");
+		DRM_INFO("Loading RV770/RV790 PFP Microcode\n");
 		for (i = 0; i < R700_PFP_UCODE_SIZE; i++)
 			RADEON_WRITE(R600_CP_PFP_UCODE_DATA, RV770_pfp_microcode[i]);
 		RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
 
 		RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
-		DRM_INFO("Loading RV770 CP Microcode\n");
+		DRM_INFO("Loading RV770/RV790 CP Microcode\n");
 		for (i = 0; i < R700_PM4_UCODE_SIZE; i++)
 			RADEON_WRITE(R600_CP_ME_RAM_DATA, RV770_cp_microcode[i]);
 		RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
 
-	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV730)) {
+	} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV730) ||
+		   ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV740)) {
 		RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
-		DRM_INFO("Loading RV730 PFP Microcode\n");
+		DRM_INFO("Loading RV730/RV740 PFP Microcode\n");
 		for (i = 0; i < R700_PFP_UCODE_SIZE; i++)
 			RADEON_WRITE(R600_CP_PFP_UCODE_DATA, RV730_pfp_microcode[i]);
 		RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0);
 
 		RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
-		DRM_INFO("Loading RV730 CP Microcode\n");
+		DRM_INFO("Loading RV730/RV740 CP Microcode\n");
 		for (i = 0; i < R700_PM4_UCODE_SIZE; i++)
 			RADEON_WRITE(R600_CP_ME_RAM_DATA, RV730_cp_microcode[i]);
 		RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0);
@@ -1324,6 +1325,10 @@ static void r700_gfx_init(struct drm_device *dev,
 		dev_priv->r700_sc_prim_fifo_size = 0xf9;
 		dev_priv->r700_sc_hiz_tile_fifo_size = 0x30;
 		dev_priv->r700_sc_earlyz_tile_fifo_fize = 0x130;
+		if (dev_priv->r600_sx_max_export_pos_size > 16) {
+			dev_priv->r600_sx_max_export_pos_size -= 16;
+			dev_priv->r600_sx_max_export_smx_size += 16;
+		}
 		break;
 	case CHIP_RV710:
 		dev_priv->r600_max_pipes = 2;
@@ -1345,6 +1350,31 @@ static void r700_gfx_init(struct drm_device *dev,
 		dev_priv->r700_sc_hiz_tile_fifo_size = 0x30;
 		dev_priv->r700_sc_earlyz_tile_fifo_fize = 0x130;
 		break;
+	case CHIP_RV740:
+		dev_priv->r600_max_pipes = 4;
+		dev_priv->r600_max_tile_pipes = 4;
+		dev_priv->r600_max_simds = 8;
+		dev_priv->r600_max_backends = 4;
+		dev_priv->r600_max_gprs = 256;
+		dev_priv->r600_max_threads = 248;
+		dev_priv->r600_max_stack_entries = 512;
+		dev_priv->r600_max_hw_contexts = 8;
+		dev_priv->r600_max_gs_threads = 16 * 2;
+		dev_priv->r600_sx_max_export_size = 256;
+		dev_priv->r600_sx_max_export_pos_size = 32;
+		dev_priv->r600_sx_max_export_smx_size = 224;
+		dev_priv->r600_sq_num_cf_insts = 2;
+
+		dev_priv->r700_sx_num_of_sets = 7;
+		dev_priv->r700_sc_prim_fifo_size = 0x100;
+		dev_priv->r700_sc_hiz_tile_fifo_size = 0x30;
+		dev_priv->r700_sc_earlyz_tile_fifo_fize = 0x130;
+
+		if (dev_priv->r600_sx_max_export_pos_size > 16) {
+			dev_priv->r600_sx_max_export_pos_size -= 16;
+			dev_priv->r600_sx_max_export_smx_size += 16;
+		}
+		break;
 	default:
 		break;
 	}
@@ -1493,6 +1523,7 @@ static void r700_gfx_init(struct drm_device *dev,
 		break;
 	case CHIP_RV730:
 	case CHIP_RV710:
+	case CHIP_RV740:
 	default:
 		sq_ms_fifo_sizes |= R600_FETCH_FIFO_HIWATER(0x4);
 		break;
@@ -1569,6 +1600,7 @@ static void r700_gfx_init(struct drm_device *dev,
 	switch (dev_priv->flags & RADEON_FAMILY_MASK) {
 	case CHIP_RV770:
 	case CHIP_RV730:
+	case CHIP_RV740:
 		gs_prim_buffer_depth = 384;
 		break;
 	case CHIP_RV710:

drivers/gpu/drm/radeon/radeon_cp.c

@@ -2109,7 +2109,7 @@ int radeon_master_create(struct drm_device *dev, struct drm_master *master)
 
 	/* prebuild the SAREA */
 	sareapage = max_t(unsigned long, SAREA_MAX, PAGE_SIZE);
-	ret = drm_addmap(dev, 0, sareapage, _DRM_SHM, _DRM_CONTAINS_LOCK|_DRM_DRIVER,
+	ret = drm_addmap(dev, 0, sareapage, _DRM_SHM, _DRM_CONTAINS_LOCK,
 			 &master_priv->sarea);
 	if (ret) {
 		DRM_ERROR("SAREA setup failed\n");

drivers/gpu/drm/radeon/radeon_drv.h

@@ -146,6 +146,7 @@ enum radeon_family {
 	CHIP_RV770,
 	CHIP_RV730,
 	CHIP_RV710,
+	CHIP_RV740,
 	CHIP_LAST,
 };
 

drivers/gpu/drm/via/via_dmablit.c

@@ -195,10 +195,8 @@ via_free_sg_info(struct pci_dev *pdev, drm_via_sg_info_t *vsg)
 	default:
 		vsg->state = dr_via_sg_init;
 	}
-	if (vsg->bounce_buffer) {
 	vfree(vsg->bounce_buffer);
 	vsg->bounce_buffer = NULL;
-	}
 	vsg->free_on_sequence = 0;
 }
 

drivers/pnp/resource.c

@@ -638,6 +638,24 @@ int pnp_possible_config(struct pnp_dev *dev, int type, resource_size_t start,
 }
 EXPORT_SYMBOL(pnp_possible_config);
 
+int pnp_range_reserved(resource_size_t start, resource_size_t end)
+{
+	struct pnp_dev *dev;
+	struct pnp_resource *pnp_res;
+	resource_size_t *dev_start, *dev_end;
+
+	pnp_for_each_dev(dev) {
+		list_for_each_entry(pnp_res, &dev->resources, list) {
+			dev_start = &pnp_res->res.start;
+			dev_end   = &pnp_res->res.end;
+			if (ranged_conflict(&start, &end, dev_start, dev_end))
+				return 1;
+		}
+	}
+	return 0;
+}
+EXPORT_SYMBOL(pnp_range_reserved);
+
 /* format is: pnp_reserve_irq=irq1[,irq2] .... */
 static int __init pnp_setup_reserve_irq(char *str)
 {

include/drm/drmP.h

@@ -86,7 +86,17 @@ struct drm_device;
 
 #include "drm_os_linux.h"
 #include "drm_hashtab.h"
+#include "drm_mm.h"
 
+#define DRM_UT_CORE 		0x01
+#define DRM_UT_DRIVER		0x02
+#define DRM_UT_KMS		0x04
+#define DRM_UT_MODE		0x08
+
+extern void drm_ut_debug_printk(unsigned int request_level,
+				const char *prefix,
+				const char *function_name,
+				const char *format, ...);
 /***********************************************************************/
 /** \name DRM template customization defaults */
 /*@{*/
@@ -186,15 +196,57 @@ struct drm_device;
  * \param arg arguments
  */
 #if DRM_DEBUG_CODE
-#define DRM_DEBUG(fmt, arg...)						\
+#define DRM_DEBUG(fmt, args...)						\
+	do {								\
+		drm_ut_debug_printk(DRM_UT_CORE, DRM_NAME, 		\
+					__func__, fmt, ##args);		\
+	} while (0)
+
+#define DRM_DEBUG_DRIVER(prefix, fmt, args...)				\
+	do {								\
+		drm_ut_debug_printk(DRM_UT_DRIVER, prefix,		\
+					__func__, fmt, ##args);		\
+	} while (0)
+#define DRM_DEBUG_KMS(prefix, fmt, args...)				\
+	do {								\
+		drm_ut_debug_printk(DRM_UT_KMS, prefix, 		\
+					 __func__, fmt, ##args);	\
+	} while (0)
+#define DRM_DEBUG_MODE(prefix, fmt, args...)				\
+	do {								\
+		drm_ut_debug_printk(DRM_UT_MODE, prefix, 		\
+					 __func__, fmt, ##args);	\
+	} while (0)
+#define DRM_LOG(fmt, args...)						\
+	do {								\
+		drm_ut_debug_printk(DRM_UT_CORE, NULL,			\
+					NULL, fmt, ##args);		\
+	} while (0)
+#define DRM_LOG_KMS(fmt, args...)					\
+	do {								\
+		drm_ut_debug_printk(DRM_UT_KMS, NULL,			\
+					NULL, fmt, ##args);		\
+	} while (0)
+#define DRM_LOG_MODE(fmt, args...)					\
+	do {								\
+		drm_ut_debug_printk(DRM_UT_MODE, NULL,			\
+					NULL, fmt, ##args);		\
+	} while (0)
+#define DRM_LOG_DRIVER(fmt, args...)					\
 	do {								\
-		if ( drm_debug )			\
-			printk(KERN_DEBUG				\
-			       "[" DRM_NAME ":%s] " fmt ,	\
-			       __func__ , ##arg);			\
+		drm_ut_debug_printk(DRM_UT_DRIVER, NULL,		\
+					NULL, fmt, ##args);		\
 	} while (0)
 #else
+#define DRM_DEBUG_DRIVER(prefix, fmt, args...) do { } while (0)
+#define DRM_DEBUG_KMS(prefix, fmt, args...)	do { } while (0)
+#define DRM_DEBUG_MODE(prefix, fmt, args...)	do { } while (0)
 #define DRM_DEBUG(fmt, arg...)		 do { } while (0)
+#define DRM_LOG(fmt, arg...)		do { } while (0)
+#define DRM_LOG_KMS(fmt, args...) do { } while (0)
+#define DRM_LOG_MODE(fmt, arg...) do { } while (0)
+#define DRM_LOG_DRIVER(fmt, arg...) do { } while (0)
+
 #endif
 
 #define DRM_PROC_LIMIT (PAGE_SIZE-80)
@@ -237,13 +289,13 @@ struct drm_device;
  * \param dev DRM device.
  * \param filp file pointer of the caller.
  */
-#define LOCK_TEST_WITH_RETURN( dev, file_priv )				\
+#define LOCK_TEST_WITH_RETURN( dev, _file_priv )				\
 do {										\
-	if (!_DRM_LOCK_IS_HELD(file_priv->master->lock.hw_lock->lock) ||		\
-	    file_priv->master->lock.file_priv != file_priv)	{			\
+	if (!_DRM_LOCK_IS_HELD(_file_priv->master->lock.hw_lock->lock) ||	\
+	    _file_priv->master->lock.file_priv != _file_priv)	{		\
 		DRM_ERROR( "%s called without lock held, held  %d owner %p %p\n",\
-			   __func__, _DRM_LOCK_IS_HELD(file_priv->master->lock.hw_lock->lock),\
-			   file_priv->master->lock.file_priv, file_priv);		\
+			   __func__, _DRM_LOCK_IS_HELD(_file_priv->master->lock.hw_lock->lock),\
+			   _file_priv->master->lock.file_priv, _file_priv);	\
 		return -EINVAL;							\
 	}									\
 } while (0)
@@ -502,26 +554,6 @@ struct drm_sigdata {
 };
 
 
-/*
- * Generic memory manager structs
- */
-
-struct drm_mm_node {
-	struct list_head fl_entry;
-	struct list_head ml_entry;
-	int free;
-	unsigned long start;
-	unsigned long size;
-	struct drm_mm *mm;
-	void *private;
-};
-
-struct drm_mm {
-	struct list_head fl_entry;
-	struct list_head ml_entry;
-};
-
-
 /**
  * Kernel side of a mapping
  */
@@ -1385,22 +1417,6 @@ extern char *drm_get_connector_status_name(enum drm_connector_status status);
 extern int drm_sysfs_connector_add(struct drm_connector *connector);
 extern void drm_sysfs_connector_remove(struct drm_connector *connector);
 
-/*
- * Basic memory manager support (drm_mm.c)
- */
-extern struct drm_mm_node *drm_mm_get_block(struct drm_mm_node * parent,
-				       unsigned long size,
-				       unsigned alignment);
-extern void drm_mm_put_block(struct drm_mm_node * cur);
-extern struct drm_mm_node *drm_mm_search_free(const struct drm_mm *mm, unsigned long size,
-					 unsigned alignment, int best_match);
-extern int drm_mm_init(struct drm_mm *mm, unsigned long start, unsigned long size);
-extern void drm_mm_takedown(struct drm_mm *mm);
-extern int drm_mm_clean(struct drm_mm *mm);
-extern unsigned long drm_mm_tail_space(struct drm_mm *mm);
-extern int drm_mm_remove_space_from_tail(struct drm_mm *mm, unsigned long size);
-extern int drm_mm_add_space_to_tail(struct drm_mm *mm, unsigned long size);
-
 /* Graphics Execution Manager library functions (drm_gem.c) */
 int drm_gem_init(struct drm_device *dev);
 void drm_gem_destroy(struct drm_device *dev);
@@ -1522,18 +1538,14 @@ static __inline__ void *drm_calloc(size_t nmemb, size_t size, int area)
 
 static __inline__ void *drm_calloc_large(size_t nmemb, size_t size)
 {
-	u8 *addr;
-
-	if (size <= PAGE_SIZE)
+	if (size * nmemb <= PAGE_SIZE)
 	    return kcalloc(nmemb, size, GFP_KERNEL);
 
-	addr = vmalloc(nmemb * size);
-	if (!addr)
+	if (size != 0 && nmemb > ULONG_MAX / size)
 		return NULL;
 
-	memset(addr, 0, nmemb * size);
-
-	return addr;
+	return __vmalloc(size * nmemb,
+			 GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, PAGE_KERNEL);
 }
 
 static __inline void drm_free_large(void *ptr)

include/drm/drm_hashtab.h

@@ -35,6 +35,8 @@
 #ifndef DRM_HASHTAB_H
 #define DRM_HASHTAB_H
 
+#include <linux/list.h>
+
 #define drm_hash_entry(_ptr, _type, _member) container_of(_ptr, _type, _member)
 
 struct drm_hash_item {

include/drm/drm_mm.h

+/**************************************************************************
+ *
+ * Copyright 2006-2008 Tungsten Graphics, Inc., Cedar Park, TX. USA.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ *
+ **************************************************************************/
+/*
+ * Authors:
+ * Thomas Hellstrom <thomas-at-tungstengraphics-dot-com>
+ */
+
+#ifndef _DRM_MM_H_
+#define _DRM_MM_H_
+
+/*
+ * Generic range manager structs
+ */
+#include <linux/list.h>
+
+struct drm_mm_node {
+	struct list_head fl_entry;
+	struct list_head ml_entry;
+	int free;
+	unsigned long start;
+	unsigned long size;
+	struct drm_mm *mm;
+	void *private;
+};
+
+struct drm_mm {
+	struct list_head fl_entry;
+	struct list_head ml_entry;
+	struct list_head unused_nodes;
+	int num_unused;
+	spinlock_t unused_lock;
+};
+
+/*
+ * Basic range manager support (drm_mm.c)
+ */
+
+extern struct drm_mm_node *drm_mm_get_block(struct drm_mm_node *parent,
+					    unsigned long size,
+					    unsigned alignment);
+extern struct drm_mm_node *drm_mm_get_block_atomic(struct drm_mm_node *parent,
+						   unsigned long size,
+						   unsigned alignment);
+extern void drm_mm_put_block(struct drm_mm_node *cur);
+extern struct drm_mm_node *drm_mm_search_free(const struct drm_mm *mm,
+					      unsigned long size,
+					      unsigned alignment,
+					      int best_match);
+extern int drm_mm_init(struct drm_mm *mm, unsigned long start,
+		       unsigned long size);
+extern void drm_mm_takedown(struct drm_mm *mm);
+extern int drm_mm_clean(struct drm_mm *mm);
+extern unsigned long drm_mm_tail_space(struct drm_mm *mm);
+extern int drm_mm_remove_space_from_tail(struct drm_mm *mm,
+					 unsigned long size);
+extern int drm_mm_add_space_to_tail(struct drm_mm *mm,
+				    unsigned long size, int atomic);
+extern int drm_mm_pre_get(struct drm_mm *mm);
+
+static inline struct drm_mm *drm_get_mm(struct drm_mm_node *block)
+{
+	return block->mm;
+}
+
+#endif

include/drm/drm_pciids.h

@@ -254,6 +254,11 @@
 	{0x1002, 0x940A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R600|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x940B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R600|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x940F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R600|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x94A0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV740|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x94A1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV740|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x94B1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV740|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x94B3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV740|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x94B5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV740|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x9440, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV770|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x9441, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV770|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x9442, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV770|RADEON_NEW_MEMMAP}, \
@@ -268,6 +273,8 @@
 	{0x1002, 0x9456, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV770|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x945A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV770|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x945B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV770|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x9460, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV770|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x9462, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV770|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x946A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV770|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x946B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV770|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x947A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV770|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
@@ -536,4 +543,6 @@
 	{0x8086, 0xa001, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \
 	{0x8086, 0xa011, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \
 	{0x8086, 0x35e8, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \
+	{0x8086, 0x0042, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \
+	{0x8086, 0x0046, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \
 	{0, 0, 0}

include/linux/pnp.h

@@ -446,6 +446,7 @@ int pnp_start_dev(struct pnp_dev *dev);
 int pnp_stop_dev(struct pnp_dev *dev);
 int pnp_activate_dev(struct pnp_dev *dev);
 int pnp_disable_dev(struct pnp_dev *dev);
+int pnp_range_reserved(resource_size_t start, resource_size_t end);
 
 /* protocol helpers */
 int pnp_is_active(struct pnp_dev *dev);
@@ -476,6 +477,7 @@ static inline int pnp_start_dev(struct pnp_dev *dev) { return -ENODEV; }
 static inline int pnp_stop_dev(struct pnp_dev *dev) { return -ENODEV; }
 static inline int pnp_activate_dev(struct pnp_dev *dev) { return -ENODEV; }
 static inline int pnp_disable_dev(struct pnp_dev *dev) { return -ENODEV; }
+static inline int pnp_range_reserved(resource_size_t start, resource_size_t end) { return 0;}
 
 /* protocol helpers */
 static inline int pnp_is_active(struct pnp_dev *dev) { return 0; }