Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-upstream

12 files changed, 402 insertions, 40 deletions

diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index febb517ee67..5ff88d95222 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -314,14 +314,14 @@ static void drm_cleanup(struct drm_device * dev)
 		DRM_DEBUG("mtrr_del=%d\n", retval);
 	}
 
+	if (dev->driver->unload)
+		dev->driver->unload(dev);
+
 	if (drm_core_has_AGP(dev) && dev->agp) {
 		drm_free(dev->agp, sizeof(*dev->agp), DRM_MEM_AGPLISTS);
 		dev->agp = NULL;
 	}
 
-	if (dev->driver->unload)
-		dev->driver->unload(dev);
-
 	drm_ht_remove(&dev->map_hash);
 	drm_ctxbitmap_cleanup(dev);
 
diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
index 3733e36d135..b06a5371585 100644
--- a/drivers/gpu/drm/drm_fops.c
+++ b/drivers/gpu/drm/drm_fops.c
@@ -183,6 +183,10 @@ int drm_stub_open(struct inode *inode, struct file *filp)
 
 	old_fops = filp->f_op;
 	filp->f_op = fops_get(&dev->driver->fops);
+	if (filp->f_op == NULL) {
+		filp->f_op = old_fops;
+		goto out;
+	}
 	if (filp->f_op->open && (err = filp->f_op->open(inode, filp))) {
 		fops_put(filp->f_op);
 		filp->f_op = fops_get(old_fops);
diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c
index 65d72d094c8..5aa6780652a 100644
--- a/drivers/gpu/drm/drm_sysfs.c
+++ b/drivers/gpu/drm/drm_sysfs.c
@@ -488,7 +488,7 @@ int drm_sysfs_device_add(struct drm_minor *minor)
         else
                 minor_str = "card%d";
 
-	snprintf(minor->kdev.bus_id, BUS_ID_SIZE, minor_str, minor->index);
+	dev_set_name(&minor->kdev, minor_str, minor->index);
 
 	err = device_register(&minor->kdev);
 	if (err) {
diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index dd57a5bd457..793cba39d83 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -13,6 +13,7 @@ i915-y := i915_drv.o i915_dma.o i915_irq.o i915_mem.o \
 	  intel_crt.o \
 	  intel_lvds.o \
 	  intel_bios.o \
+	  intel_hdmi.o \
 	  intel_sdvo.o \
 	  intel_modes.o \
 	  intel_i2c.o \
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 3d7082af5b7..62a4bf7b49d 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -827,6 +827,7 @@ static int i915_probe_agp(struct drm_device *dev, unsigned long *aperture_size,
 	struct pci_dev *bridge_dev;
 	u16 tmp = 0;
 	unsigned long overhead;
+	unsigned long stolen;
 
 	bridge_dev = pci_get_bus_and_slot(0, PCI_DEVFN(0,0));
 	if (!bridge_dev) {
@@ -866,36 +867,55 @@ static int i915_probe_agp(struct drm_device *dev, unsigned long *aperture_size,
 	else
 		overhead = (*aperture_size / 1024) + 4096;
 
-	switch (tmp & INTEL_855_GMCH_GMS_MASK) {
+	switch (tmp & INTEL_GMCH_GMS_MASK) {
+	case INTEL_855_GMCH_GMS_DISABLED:
+		DRM_ERROR("video memory is disabled\n");
+		return -1;
 	case INTEL_855_GMCH_GMS_STOLEN_1M:
-		break; /* 1M already */
+		stolen = 1 * 1024 * 1024;
+		break;
 	case INTEL_855_GMCH_GMS_STOLEN_4M:
-		*preallocated_size *= 4;
+		stolen = 4 * 1024 * 1024;
 		break;
 	case INTEL_855_GMCH_GMS_STOLEN_8M:
-		*preallocated_size *= 8;
+		stolen = 8 * 1024 * 1024;
 		break;
 	case INTEL_855_GMCH_GMS_STOLEN_16M:
-		*preallocated_size *= 16;
+		stolen = 16 * 1024 * 1024;
 		break;
 	case INTEL_855_GMCH_GMS_STOLEN_32M:
-		*preallocated_size *= 32;
+		stolen = 32 * 1024 * 1024;
 		break;
 	case INTEL_915G_GMCH_GMS_STOLEN_48M:
-		*preallocated_size *= 48;
+		stolen = 48 * 1024 * 1024;
 		break;
 	case INTEL_915G_GMCH_GMS_STOLEN_64M:
-		*preallocated_size *= 64;
+		stolen = 64 * 1024 * 1024;
+		break;
+	case INTEL_GMCH_GMS_STOLEN_128M:
+		stolen = 128 * 1024 * 1024;
+		break;
+	case INTEL_GMCH_GMS_STOLEN_256M:
+		stolen = 256 * 1024 * 1024;
+		break;
+	case INTEL_GMCH_GMS_STOLEN_96M:
+		stolen = 96 * 1024 * 1024;
+		break;
+	case INTEL_GMCH_GMS_STOLEN_160M:
+		stolen = 160 * 1024 * 1024;
+		break;
+	case INTEL_GMCH_GMS_STOLEN_224M:
+		stolen = 224 * 1024 * 1024;
+		break;
+	case INTEL_GMCH_GMS_STOLEN_352M:
+		stolen = 352 * 1024 * 1024;
 		break;
-	case INTEL_855_GMCH_GMS_DISABLED:
-		DRM_ERROR("video memory is disabled\n");
-		return -1;
 	default:
 		DRM_ERROR("unexpected GMCH_GMS value: 0x%02x\n",
-			tmp & INTEL_855_GMCH_GMS_MASK);
+			tmp & INTEL_GMCH_GMS_MASK);
 		return -1;
 	}
-	*preallocated_size -= overhead;
+	*preallocated_size = stolen - overhead;
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 4756e5cd6b5..563de18063f 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -664,6 +664,7 @@ extern void intel_modeset_cleanup(struct drm_device *dev);
 				 writel(upper_32_bits(val), dev_priv->regs + \
 					(reg) + 4))
 #endif
+#define POSTING_READ(reg)	(void)I915_READ(reg)
 
 #define I915_VERBOSE 0
 
@@ -760,6 +761,7 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
 			IS_I945GM(dev) || IS_I965GM(dev) || IS_GM45(dev))
 
 #define I915_NEED_GFX_HWS(dev) (IS_G33(dev) || IS_GM45(dev) || IS_G4X(dev))
+#define SUPPORTS_INTEGRATED_HDMI(dev)	(IS_G4X(dev))
 
 #define PRIMARY_RINGBUFFER_SIZE         (128*1024)
 
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index cc2ca5561fe..14afc23a0e2 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1623,6 +1623,8 @@ i915_gem_object_bind_to_gtt(struct drm_gem_object *obj, unsigned alignment)
 	struct drm_mm_node *free_space;
 	int page_count, ret;
 
+	if (dev_priv->mm.suspended)
+		return -EBUSY;
 	if (alignment == 0)
 		alignment = PAGE_SIZE;
 	if (alignment & (PAGE_SIZE - 1)) {
@@ -2641,7 +2643,7 @@ i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment)
 	if (obj_priv->gtt_space == NULL) {
 		ret = i915_gem_object_bind_to_gtt(obj, alignment);
 		if (ret != 0) {
-			if (ret != -ERESTARTSYS)
+			if (ret != -EBUSY && ret != -ERESTARTSYS)
 				DRM_ERROR("Failure to bind: %d", ret);
 			return ret;
 		}
@@ -3219,20 +3221,21 @@ i915_gem_entervt_ioctl(struct drm_device *dev, void *data,
 		dev_priv->mm.wedged = 0;
 	}
 
-	ret = i915_gem_init_ringbuffer(dev);
-	if (ret != 0)
-		return ret;
-
 	dev_priv->mm.gtt_mapping = io_mapping_create_wc(dev->agp->base,
 							dev->agp->agp_info.aper_size
 							* 1024 * 1024);
 
 	mutex_lock(&dev->struct_mutex);
+	dev_priv->mm.suspended = 0;
+
+	ret = i915_gem_init_ringbuffer(dev);
+	if (ret != 0)
+		return ret;
+
 	BUG_ON(!list_empty(&dev_priv->mm.active_list));
 	BUG_ON(!list_empty(&dev_priv->mm.flushing_list));
 	BUG_ON(!list_empty(&dev_priv->mm.inactive_list));
 	BUG_ON(!list_empty(&dev_priv->mm.request_list));
-	dev_priv->mm.suspended = 0;
 	mutex_unlock(&dev->struct_mutex);
 
 	drm_irq_install(dev);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 47e6bafeb74..273162579e1 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -35,7 +35,7 @@
 #define INTEL_GMCH_MEM_64M	0x1
 #define INTEL_GMCH_MEM_128M	0
 
-#define INTEL_855_GMCH_GMS_MASK		(0x7 << 4)
+#define INTEL_GMCH_GMS_MASK		(0xf << 4)
 #define INTEL_855_GMCH_GMS_DISABLED	(0x0 << 4)
 #define INTEL_855_GMCH_GMS_STOLEN_1M	(0x1 << 4)
 #define INTEL_855_GMCH_GMS_STOLEN_4M	(0x2 << 4)
@@ -45,6 +45,12 @@
 
 #define INTEL_915G_GMCH_GMS_STOLEN_48M	(0x6 << 4)
 #define INTEL_915G_GMCH_GMS_STOLEN_64M	(0x7 << 4)
+#define INTEL_GMCH_GMS_STOLEN_128M	(0x8 << 4)
+#define INTEL_GMCH_GMS_STOLEN_256M	(0x9 << 4)
+#define INTEL_GMCH_GMS_STOLEN_96M	(0xa << 4)
+#define INTEL_GMCH_GMS_STOLEN_160M	(0xb << 4)
+#define INTEL_GMCH_GMS_STOLEN_224M	(0xc << 4)
+#define INTEL_GMCH_GMS_STOLEN_352M	(0xd << 4)
 
 /* PCI config space */
 
@@ -549,6 +555,8 @@
 /** GM965 GM45 render standby register */
 #define MCHBAR_RENDER_STANDBY	0x111B8
 
+#define PEG_BAND_GAP_DATA	0x14d68
+
 /*
  * Overlay regs
  */
@@ -612,6 +620,9 @@
 
 /* Hotplug control (945+ only) */
 #define PORT_HOTPLUG_EN		0x61110
+#define   HDMIB_HOTPLUG_INT_EN			(1 << 29)
+#define   HDMIC_HOTPLUG_INT_EN			(1 << 28)
+#define   HDMID_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)
@@ -619,6 +630,9 @@
 #define   CRT_HOTPLUG_FORCE_DETECT		(1 << 3)
 
 #define PORT_HOTPLUG_STAT	0x61114
+#define   HDMIB_HOTPLUG_INT_STATUS		(1 << 29)
+#define   HDMIC_HOTPLUG_INT_STATUS		(1 << 28)
+#define   HDMID_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)
@@ -648,7 +662,16 @@
 #define   SDVO_PHASE_SELECT_DEFAULT	(6 << 19)
 #define   SDVO_CLOCK_OUTPUT_INVERT	(1 << 18)
 #define   SDVOC_GANG_MODE		(1 << 16)
+#define   SDVO_ENCODING_SDVO		(0x0 << 10)
+#define   SDVO_ENCODING_HDMI		(0x2 << 10)
+/** Requird for HDMI operation */
+#define   SDVO_NULL_PACKETS_DURING_VSYNC (1 << 9)
 #define   SDVO_BORDER_ENABLE		(1 << 7)
+#define   SDVO_AUDIO_ENABLE		(1 << 6)
+/** New with 965, default is to be set */
+#define   SDVO_VSYNC_ACTIVE_HIGH	(1 << 4)
+/** New with 965, default is to be set */
+#define   SDVO_HSYNC_ACTIVE_HIGH	(1 << 3)
 #define   SDVOB_PCIE_CONCURRENCY	(1 << 3)
 #define   SDVO_DETECTED			(1 << 2)
 /* Bits to be preserved when writing */
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index e5c1c80d1f9..8ccb9c3ab86 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -751,6 +751,7 @@ static void intel_crtc_mode_set(struct drm_crtc *crtc,
 			is_lvds = true;
 			break;
 		case INTEL_OUTPUT_SDVO:
+		case INTEL_OUTPUT_HDMI:
 			is_sdvo = true;
 			break;
 		case INTEL_OUTPUT_DVO:
@@ -986,19 +987,17 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
 	uint32_t base = (pipe == 0) ? CURABASE : CURBBASE;
 	uint32_t temp;
 	size_t addr;
+	int ret;
 
 	DRM_DEBUG("\n");
 
 	/* if we want to turn off the cursor ignore width and height */
 	if (!handle) {
 		DRM_DEBUG("cursor off\n");
-		/* turn of the cursor */
-		temp = 0;
-		temp |= CURSOR_MODE_DISABLE;
-
-		I915_WRITE(control, temp);
-		I915_WRITE(base, 0);
-		return 0;
+		temp = CURSOR_MODE_DISABLE;
+		addr = 0;
+		bo = NULL;
+		goto finish;
 	}
 
 	/* Currently we only support 64x64 cursors */
@@ -1025,15 +1024,30 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
 		addr = obj_priv->gtt_offset;
 	}
 
-	intel_crtc->cursor_addr = addr;
+	ret = i915_gem_object_pin(bo, PAGE_SIZE);
+	if (ret) {
+		DRM_ERROR("failed to pin cursor bo\n");
+		drm_gem_object_unreference(bo);
+		return ret;
+	}
+
 	temp = 0;
 	/* set the pipe for the cursor */
 	temp |= (pipe << 28);
 	temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
 
+ finish:
 	I915_WRITE(control, temp);
 	I915_WRITE(base, addr);
 
+	if (intel_crtc->cursor_bo) {
+		i915_gem_object_unpin(intel_crtc->cursor_bo);
+		drm_gem_object_unreference(intel_crtc->cursor_bo);
+	}
+
+	intel_crtc->cursor_addr = addr;
+	intel_crtc->cursor_bo = bo;
+
 	return 0;
 }
 
@@ -1430,12 +1444,19 @@ static void intel_setup_outputs(struct drm_device *dev)
 		intel_lvds_init(dev);
 
 	if (IS_I9XX(dev)) {
-		intel_sdvo_init(dev, SDVOB);
-		intel_sdvo_init(dev, SDVOC);
+		int found;
+
+		found = intel_sdvo_init(dev, SDVOB);
+		if (!found && SUPPORTS_INTEGRATED_HDMI(dev))
+			intel_hdmi_init(dev, SDVOB);
+
+		found = intel_sdvo_init(dev, SDVOC);
+		if (!found && SUPPORTS_INTEGRATED_HDMI(dev))
+			intel_hdmi_init(dev, SDVOC);
 	} else
 		intel_dvo_init(dev);
 
-	if (IS_I9XX(dev) && !IS_I915G(dev))
+	if (IS_I9XX(dev) && IS_MOBILE(dev))
 		intel_tv_init(dev);
 
 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
@@ -1445,6 +1466,11 @@ static void intel_setup_outputs(struct drm_device *dev)
 
 		/* valid crtcs */
 		switch(intel_output->type) {
+		case INTEL_OUTPUT_HDMI:
+			crtc_mask = ((1 << 0)|
+				     (1 << 1));
+			clone_mask = ((1 << INTEL_OUTPUT_HDMI));
+			break;
 		case INTEL_OUTPUT_DVO:
 		case INTEL_OUTPUT_SDVO:
 			crtc_mask = ((1 << 0)|
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 407edd5bf58..8a4cc50c5b4 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -53,6 +53,7 @@
 #define INTEL_OUTPUT_SDVO 3
 #define INTEL_OUTPUT_LVDS 4
 #define INTEL_OUTPUT_TVOUT 5
+#define INTEL_OUTPUT_HDMI 6
 
 #define INTEL_DVO_CHIP_NONE 0
 #define INTEL_DVO_CHIP_LVDS 1
@@ -88,6 +89,7 @@ struct intel_crtc {
 	struct drm_crtc base;
 	int pipe;
 	int plane;
+	struct drm_gem_object *cursor_bo;
 	uint32_t cursor_addr;
 	u8 lut_r[256], lut_g[256], lut_b[256];
 	int dpms_mode;
@@ -108,7 +110,8 @@ int intel_ddc_get_modes(struct intel_output *intel_output);
 extern bool intel_ddc_probe(struct intel_output *intel_output);
 
 extern void intel_crt_init(struct drm_device *dev);
-extern void intel_sdvo_init(struct drm_device *dev, int output_device);
+extern void intel_hdmi_init(struct drm_device *dev, int sdvox_reg);
+extern bool intel_sdvo_init(struct drm_device *dev, int output_device);
 extern void intel_dvo_init(struct drm_device *dev);
 extern void intel_tv_init(struct drm_device *dev);
 extern void intel_lvds_init(struct drm_device *dev);
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
new file mode 100644
index 00000000000..b06a4a3ff08
--- /dev/null
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -0,0 +1,280 @@
+/*
+ * Copyright 2006 Dave Airlie <airlied@linux.ie>
+ * Copyright © 2006-2009 Intel Corporation
+ *
+ * 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, sublicense,
+ * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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:
+ *	Eric Anholt <eric@anholt.net>
+ *	Jesse Barnes <jesse.barnes@intel.com>
+ */
+
+#include <linux/i2c.h>
+#include <linux/delay.h>
+#include "drmP.h"
+#include "drm.h"
+#include "drm_crtc.h"
+#include "intel_drv.h"
+#include "i915_drm.h"
+#include "i915_drv.h"
+
+struct intel_hdmi_priv {
+	u32 sdvox_reg;
+	u32 save_SDVOX;
+	int has_hdmi_sink;
+};
+
+static void intel_hdmi_mode_set(struct drm_encoder *encoder,
+				struct drm_display_mode *mode,
+				struct drm_display_mode *adjusted_mode)
+{
+	struct drm_device *dev = encoder->dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct drm_crtc *crtc = encoder->crtc;
+	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
+	struct intel_output *intel_output = enc_to_intel_output(encoder);
+	struct intel_hdmi_priv *hdmi_priv = intel_output->dev_priv;
+	u32 sdvox;
+
+	sdvox = SDVO_ENCODING_HDMI |
+		SDVO_BORDER_ENABLE |
+		SDVO_VSYNC_ACTIVE_HIGH |
+		SDVO_HSYNC_ACTIVE_HIGH;
+
+	if (hdmi_priv->has_hdmi_sink)
+		sdvox |= SDVO_AUDIO_ENABLE;
+
+	if (intel_crtc->pipe == 1)
+		sdvox |= SDVO_PIPE_B_SELECT;
+
+	I915_WRITE(hdmi_priv->sdvox_reg, sdvox);
+	POSTING_READ(hdmi_priv->sdvox_reg);
+}
+
+static void intel_hdmi_dpms(struct drm_encoder *encoder, int mode)
+{
+	struct drm_device *dev = encoder->dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct intel_output *intel_output = enc_to_intel_output(encoder);
+	struct intel_hdmi_priv *hdmi_priv = intel_output->dev_priv;
+	u32 temp;
+
+	if (mode != DRM_MODE_DPMS_ON) {
+		temp = I915_READ(hdmi_priv->sdvox_reg);
+		I915_WRITE(hdmi_priv->sdvox_reg, temp & ~SDVO_ENABLE);
+	} else {
+		temp = I915_READ(hdmi_priv->sdvox_reg);
+		I915_WRITE(hdmi_priv->sdvox_reg, temp | SDVO_ENABLE);
+	}
+	POSTING_READ(hdmi_priv->sdvox_reg);
+}
+
+static void intel_hdmi_save(struct drm_connector *connector)
+{
+	struct drm_device *dev = connector->dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct intel_output *intel_output = to_intel_output(connector);
+	struct intel_hdmi_priv *hdmi_priv = intel_output->dev_priv;
+
+	hdmi_priv->save_SDVOX = I915_READ(hdmi_priv->sdvox_reg);
+}
+
+static void intel_hdmi_restore(struct drm_connector *connector)
+{
+	struct drm_device *dev = connector->dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct intel_output *intel_output = to_intel_output(connector);
+	struct intel_hdmi_priv *hdmi_priv = intel_output->dev_priv;
+
+	I915_WRITE(hdmi_priv->sdvox_reg, hdmi_priv->save_SDVOX);
+	POSTING_READ(hdmi_priv->sdvox_reg);
+}
+
+static int intel_hdmi_mode_valid(struct drm_connector *connector,
+				 struct drm_display_mode *mode)
+{
+	if (mode->clock > 165000)
+		return MODE_CLOCK_HIGH;
+	if (mode->clock < 20000)
+		return MODE_CLOCK_HIGH;
+
+	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
+		return MODE_NO_DBLESCAN;
+
+	return MODE_OK;
+}
+
+static bool intel_hdmi_mode_fixup(struct drm_encoder *encoder,
+				  struct drm_display_mode *mode,
+				  struct drm_display_mode *adjusted_mode)
+{
+	return true;
+}
+
+static enum drm_connector_status
+intel_hdmi_detect(struct drm_connector *connector)
+{
+	struct drm_device *dev = connector->dev;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct intel_output *intel_output = to_intel_output(connector);
+	struct intel_hdmi_priv *hdmi_priv = intel_output->dev_priv;
+	u32 temp, bit;
+
+	temp = I915_READ(PORT_HOTPLUG_EN);
+
+	I915_WRITE(PORT_HOTPLUG_EN,
+		   temp |
+		   HDMIB_HOTPLUG_INT_EN |
+		   HDMIC_HOTPLUG_INT_EN |
+		   HDMID_HOTPLUG_INT_EN);
+
+	POSTING_READ(PORT_HOTPLUG_EN);
+
+	switch (hdmi_priv->sdvox_reg) {
+	case SDVOB:
+		bit = HDMIB_HOTPLUG_INT_STATUS;
+		break;
+	case SDVOC:
+		bit = HDMIC_HOTPLUG_INT_STATUS;
+		break;
+	default:
+		return connector_status_unknown;
+	}
+
+	if ((I915_READ(PORT_HOTPLUG_STAT) & bit) != 0)
+		return connector_status_connected;
+	else
+		return connector_status_disconnected;
+}
+
+static int intel_hdmi_get_modes(struct drm_connector *connector)
+{
+	struct intel_output *intel_output = to_intel_output(connector);
+
+	/* We should parse the EDID data and find out if it's an HDMI sink so
+	 * we can send audio to it.
+	 */
+
+	return intel_ddc_get_modes(intel_output);
+}
+
+static void intel_hdmi_destroy(struct drm_connector *connector)
+{
+	struct intel_output *intel_output = to_intel_output(connector);
+
+	if (intel_output->i2c_bus)
+		intel_i2c_destroy(intel_output->i2c_bus);
+	drm_sysfs_connector_remove(connector);
+	drm_connector_cleanup(connector);
+	kfree(intel_output);
+}
+
+static const struct drm_encoder_helper_funcs intel_hdmi_helper_funcs = {
+	.dpms = intel_hdmi_dpms,
+	.mode_fixup = intel_hdmi_mode_fixup,
+	.prepare = intel_encoder_prepare,
+	.mode_set = intel_hdmi_mode_set,
+	.commit = intel_encoder_commit,
+};
+
+static const struct drm_connector_funcs intel_hdmi_connector_funcs = {
+	.save = intel_hdmi_save,
+	.restore = intel_hdmi_restore,
+	.detect = intel_hdmi_detect,
+	.fill_modes = drm_helper_probe_single_connector_modes,
+	.destroy = intel_hdmi_destroy,
+};
+
+static const struct drm_connector_helper_funcs intel_hdmi_connector_helper_funcs = {
+	.get_modes = intel_hdmi_get_modes,
+	.mode_valid = intel_hdmi_mode_valid,
+	.best_encoder = intel_best_encoder,
+};
+
+static void intel_hdmi_enc_destroy(struct drm_encoder *encoder)
+{
+	drm_encoder_cleanup(encoder);
+}
+
+static const struct drm_encoder_funcs intel_hdmi_enc_funcs = {
+	.destroy = intel_hdmi_enc_destroy,
+};
+
+
+void intel_hdmi_init(struct drm_device *dev, int sdvox_reg)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct drm_connector *connector;
+	struct intel_output *intel_output;
+	struct intel_hdmi_priv *hdmi_priv;
+
+	intel_output = kcalloc(sizeof(struct intel_output) +
+			       sizeof(struct intel_hdmi_priv), 1, GFP_KERNEL);
+	if (!intel_output)
+		return;
+	hdmi_priv = (struct intel_hdmi_priv *)(intel_output + 1);
+
+	connector = &intel_output->base;
+	drm_connector_init(dev, connector, &intel_hdmi_connector_funcs,
+			   DRM_MODE_CONNECTOR_DVID);
+	drm_connector_helper_add(connector, &intel_hdmi_connector_helper_funcs);
+
+	intel_output->type = INTEL_OUTPUT_HDMI;
+
+	connector->interlace_allowed = 0;
+	connector->doublescan_allowed = 0;
+
+	/* Set up the DDC bus. */
+	if (sdvox_reg == SDVOB)
+		intel_output->ddc_bus = intel_i2c_create(dev, GPIOE, "HDMIB");
+	else
+		intel_output->ddc_bus = intel_i2c_create(dev, GPIOD, "HDMIC");
+
+	if (!intel_output->ddc_bus)
+		goto err_connector;
+
+	hdmi_priv->sdvox_reg = sdvox_reg;
+	intel_output->dev_priv = hdmi_priv;
+
+	drm_encoder_init(dev, &intel_output->enc, &intel_hdmi_enc_funcs,
+			 DRM_MODE_ENCODER_TMDS);
+	drm_encoder_helper_add(&intel_output->enc, &intel_hdmi_helper_funcs);
+
+	drm_mode_connector_attach_encoder(&intel_output->base,
+					  &intel_output->enc);
+	drm_sysfs_connector_add(connector);
+
+	/* For G4X desktop chip, PEG_BAND_GAP_DATA 3:0 must first be written
+	 * 0xd.  Failure to do so will result in spurious interrupts being
+	 * generated on the port when a cable is not attached.
+	 */
+	if (IS_G4X(dev) && !IS_GM45(dev)) {
+		u32 temp = I915_READ(PEG_BAND_GAP_DATA);
+		I915_WRITE(PEG_BAND_GAP_DATA, (temp & ~0xf) | 0xd);
+	}
+
+	return;
+
+err_connector:
+	drm_connector_cleanup(connector);
+	kfree(intel_output);
+
+	return;
+}
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index fbbaa4f414a..40721546910 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -978,7 +978,7 @@ static const struct drm_encoder_funcs intel_sdvo_enc_funcs = {
 };
 
 
-void intel_sdvo_init(struct drm_device *dev, int output_device)
+bool intel_sdvo_init(struct drm_device *dev, int output_device)
 {
 	struct drm_connector *connector;
 	struct intel_output *intel_output;
@@ -991,7 +991,7 @@ void intel_sdvo_init(struct drm_device *dev, int output_device)
 
 	intel_output = kcalloc(sizeof(struct intel_output)+sizeof(struct intel_sdvo_priv), 1, GFP_KERNEL);
 	if (!intel_output) {
-		return;
+		return false;
 	}
 
 	connector = &intel_output->base;
@@ -1116,7 +1116,7 @@ void intel_sdvo_init(struct drm_device *dev, int output_device)
 
 	intel_output->ddc_bus = i2cbus;
 
-	return;
+	return true;
 
 err_i2c:
 	intel_i2c_destroy(intel_output->i2c_bus);
@@ -1124,5 +1124,5 @@ err_connector:
 	drm_connector_cleanup(connector);
 	kfree(intel_output);
 
-	return;
+	return false;
 }