diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 07e9796fead7a879ecdba8a0504408e2a391b134..857df10c04284c82b9f97f47538ea0cca376568c 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -717,8 +717,8 @@ static const struct intel_agp_driver_description {
 	{ PCI_DEVICE_ID_INTEL_82820_UP_HB, "i820", &intel_820_driver },
 	{ PCI_DEVICE_ID_INTEL_82830_HB, "830M", &intel_830mp_driver },
 	{ PCI_DEVICE_ID_INTEL_82840_HB, "i840", &intel_840_driver },
-	{ PCI_DEVICE_ID_INTEL_82845_HB, "845G", &intel_845_driver },
-	{ PCI_DEVICE_ID_INTEL_82845G_HB, "830M", &intel_845_driver },
+	{ PCI_DEVICE_ID_INTEL_82845_HB, "i845", &intel_845_driver },
+	{ PCI_DEVICE_ID_INTEL_82845G_HB, "845G", &intel_845_driver },
 	{ PCI_DEVICE_ID_INTEL_82850_HB, "i850", &intel_850_driver },
 	{ PCI_DEVICE_ID_INTEL_82854_HB, "854", &intel_845_driver },
 	{ PCI_DEVICE_ID_INTEL_82855PM_HB, "855PM", &intel_845_driver },
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index e921b693412b9ec4dc994340c3724ee99dcc94b4..826ab0939a128308b294207eda495207884f5361 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -1361,7 +1361,7 @@ static const struct intel_gtt_driver_description {
 		&i81x_gtt_driver},
 	{ PCI_DEVICE_ID_INTEL_82830_CGC, "830M",
 		&i8xx_gtt_driver},
-	{ PCI_DEVICE_ID_INTEL_82845G_IG, "830M",
+	{ PCI_DEVICE_ID_INTEL_82845G_IG, "845G",
 		&i8xx_gtt_driver},
 	{ PCI_DEVICE_ID_INTEL_82854_IG, "854",
 		&i8xx_gtt_driver},
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 19a3d58044dd7667c5498cf373cc68f9629cd0f2..3601466c55027391c355fe1c11186913394fbf2d 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -703,7 +703,7 @@ static void print_error_buffers(struct seq_file *m,
 	seq_printf(m, "%s [%d]:\n", name, count);
 
 	while (count--) {
-		seq_printf(m, "  %08x %8zd %04x %04x %08x%s%s%s%s%s%s",
+		seq_printf(m, "  %08x %8u %04x %04x %08x%s%s%s%s%s%s",
 			   err->gtt_offset,
 			   err->size,
 			   err->read_domains,
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 0de75a23f8e7d4ee147266d8f38f2e618281a8e6..72fea2bcfc4f77241a7b1087e558637841279afb 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -49,6 +49,9 @@ module_param_named(powersave, i915_powersave, int, 0600);
 unsigned int i915_lvds_downclock = 0;
 module_param_named(lvds_downclock, i915_lvds_downclock, int, 0400);
 
+unsigned int i915_panel_use_ssc = 1;
+module_param_named(lvds_use_ssc, i915_panel_use_ssc, int, 0600);
+
 bool i915_try_reset = true;
 module_param_named(reset, i915_try_reset, bool, 0600);
 
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 385fc7ec39d3c987f3b4cc4c420922382da0ca69..5969f46ac2d6023740204c74e62d25265cfc736f 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -954,6 +954,7 @@ extern int i915_max_ioctl;
 extern unsigned int i915_fbpercrtc;
 extern unsigned int i915_powersave;
 extern unsigned int i915_lvds_downclock;
+extern unsigned int i915_panel_use_ssc;
 
 extern int i915_suspend(struct drm_device *dev, pm_message_t state);
 extern int i915_resume(struct drm_device *dev);
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index e69834341ef068b4ebbbb500fc4484d64826a879..dcfdf4151b6dedddec0f45ba21f2c81156e1fe27 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -464,8 +464,6 @@ i915_gem_execbuffer_relocate(struct drm_device *dev,
 	int ret;
 
 	list_for_each_entry(obj, objects, exec_list) {
-		obj->base.pending_read_domains = 0;
-		obj->base.pending_write_domain = 0;
 		ret = i915_gem_execbuffer_relocate_object(obj, eb);
 		if (ret)
 			return ret;
@@ -505,6 +503,9 @@ i915_gem_execbuffer_reserve(struct intel_ring_buffer *ring,
 			list_move(&obj->exec_list, &ordered_objects);
 		else
 			list_move_tail(&obj->exec_list, &ordered_objects);
+
+		obj->base.pending_read_domains = 0;
+		obj->base.pending_write_domain = 0;
 	}
 	list_splice(&ordered_objects, objects);
 
@@ -636,6 +637,7 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev,
 {
 	struct drm_i915_gem_relocation_entry *reloc;
 	struct drm_i915_gem_object *obj;
+	int *reloc_offset;
 	int i, total, ret;
 
 	/* We may process another execbuffer during the unlock... */
@@ -653,8 +655,11 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev,
 	for (i = 0; i < count; i++)
 		total += exec[i].relocation_count;
 
+	reloc_offset = drm_malloc_ab(count, sizeof(*reloc_offset));
 	reloc = drm_malloc_ab(total, sizeof(*reloc));
-	if (reloc == NULL) {
+	if (reloc == NULL || reloc_offset == NULL) {
+		drm_free_large(reloc);
+		drm_free_large(reloc_offset);
 		mutex_lock(&dev->struct_mutex);
 		return -ENOMEM;
 	}
@@ -672,6 +677,7 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev,
 			goto err;
 		}
 
+		reloc_offset[i] = total;
 		total += exec[i].relocation_count;
 	}
 
@@ -705,17 +711,12 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev,
 	if (ret)
 		goto err;
 
-	total = 0;
 	list_for_each_entry(obj, objects, exec_list) {
-		obj->base.pending_read_domains = 0;
-		obj->base.pending_write_domain = 0;
+		int offset = obj->exec_entry - exec;
 		ret = i915_gem_execbuffer_relocate_object_slow(obj, eb,
-							       reloc + total);
+							       reloc + reloc_offset[offset]);
 		if (ret)
 			goto err;
-
-		total += exec->relocation_count;
-		exec++;
 	}
 
 	/* Leave the user relocations as are, this is the painfully slow path,
@@ -726,6 +727,7 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev,
 
 err:
 	drm_free_large(reloc);
+	drm_free_large(reloc_offset);
 	return ret;
 }
 
@@ -770,7 +772,8 @@ i915_gem_execbuffer_sync_rings(struct drm_i915_gem_object *obj,
 	if (from == NULL || to == from)
 		return 0;
 
-	if (INTEL_INFO(obj->base.dev)->gen < 6)
+	/* XXX gpu semaphores are currently causing hard hangs on SNB mobile */
+	if (INTEL_INFO(obj->base.dev)->gen < 6 || IS_MOBILE(obj->base.dev))
 		return i915_gem_object_wait_rendering(obj, true);
 
 	idx = intel_ring_sync_index(from, to);
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index e418e8bb61e66f4de9baadaafa23c3a286cb00f4..b8e509ae065e41c0e5580b48454609dfc3314b55 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -720,7 +720,7 @@ i915_error_first_batchbuffer(struct drm_i915_private *dev_priv,
 		if (obj->ring != ring)
 			continue;
 
-		if (!i915_seqno_passed(obj->last_rendering_seqno, seqno))
+		if (i915_seqno_passed(seqno, obj->last_rendering_seqno))
 			continue;
 
 		if ((obj->base.read_domains & I915_GEM_DOMAIN_COMMAND) == 0)
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index b0b1200ed6500055b05bc1e51a932df26b6600ef..0b44956c336bf61388c256381140c478ed7105c2 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -264,17 +264,12 @@ parse_general_features(struct drm_i915_private *dev_priv,
 		dev_priv->int_crt_support = general->int_crt_support;
 		dev_priv->lvds_use_ssc = general->enable_ssc;
 
-		if (dev_priv->lvds_use_ssc) {
-			if (IS_I85X(dev))
-				dev_priv->lvds_ssc_freq =
-					general->ssc_freq ? 66 : 48;
-			else if (IS_GEN5(dev) || IS_GEN6(dev))
-				dev_priv->lvds_ssc_freq =
-					general->ssc_freq ? 100 : 120;
-			else
-				dev_priv->lvds_ssc_freq =
-					general->ssc_freq ? 100 : 96;
-		}
+		if (IS_I85X(dev))
+			dev_priv->lvds_ssc_freq = general->ssc_freq ? 66 : 48;
+		else if (IS_GEN5(dev) || IS_GEN6(dev))
+			dev_priv->lvds_ssc_freq = general->ssc_freq ? 100 : 120;
+		else
+			dev_priv->lvds_ssc_freq = general->ssc_freq ? 100 : 96;
 	}
 }
 
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 25d96889d7d245a60a4d9ef15d9279032f73b6fd..98967f3b7724e1554713fa665e62b67f6abbddcd 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -3822,6 +3822,11 @@ static void intel_update_watermarks(struct drm_device *dev)
 				    sr_hdisplay, sr_htotal, pixel_size);
 }
 
+static inline bool intel_panel_use_ssc(struct drm_i915_private *dev_priv)
+{
+	return dev_priv->lvds_use_ssc && i915_panel_use_ssc;
+}
+
 static int intel_crtc_mode_set(struct drm_crtc *crtc,
 			       struct drm_display_mode *mode,
 			       struct drm_display_mode *adjusted_mode,
@@ -3884,7 +3889,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 		num_connectors++;
 	}
 
-	if (is_lvds && dev_priv->lvds_use_ssc && num_connectors < 2) {
+	if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2) {
 		refclk = dev_priv->lvds_ssc_freq * 1000;
 		DRM_DEBUG_KMS("using SSC reference clock of %d MHz\n",
 			      refclk / 1000);
@@ -4059,7 +4064,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 		udelay(200);
 
 		if (has_edp_encoder) {
-			if (dev_priv->lvds_use_ssc) {
+			if (intel_panel_use_ssc(dev_priv)) {
 				temp |= DREF_SSC1_ENABLE;
 				I915_WRITE(PCH_DREF_CONTROL, temp);
 
@@ -4070,13 +4075,13 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 
 			/* Enable CPU source on CPU attached eDP */
 			if (!intel_encoder_is_pch_edp(&has_edp_encoder->base)) {
-				if (dev_priv->lvds_use_ssc)
+				if (intel_panel_use_ssc(dev_priv))
 					temp |= DREF_CPU_SOURCE_OUTPUT_DOWNSPREAD;
 				else
 					temp |= DREF_CPU_SOURCE_OUTPUT_NONSPREAD;
 			} else {
 				/* Enable SSC on PCH eDP if needed */
-				if (dev_priv->lvds_use_ssc) {
+				if (intel_panel_use_ssc(dev_priv)) {
 					DRM_ERROR("enabling SSC on PCH\n");
 					temp |= DREF_SUPERSPREAD_SOURCE_ENABLE;
 				}
@@ -4104,7 +4109,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 		int factor = 21;
 
 		if (is_lvds) {
-			if ((dev_priv->lvds_use_ssc &&
+			if ((intel_panel_use_ssc(dev_priv) &&
 			     dev_priv->lvds_ssc_freq == 100) ||
 			    (I915_READ(PCH_LVDS) & LVDS_CLKB_POWER_MASK) == LVDS_CLKB_POWER_UP)
 				factor = 25;
@@ -4183,7 +4188,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 		/* XXX: just matching BIOS for now */
 		/*	dpll |= PLL_REF_INPUT_TVCLKINBC; */
 		dpll |= 3;
-	else if (is_lvds && dev_priv->lvds_use_ssc && num_connectors < 2)
+	else if (is_lvds && intel_panel_use_ssc(dev_priv) && num_connectors < 2)
 		dpll |= PLLB_REF_INPUT_SPREADSPECTRUMIN;
 	else
 		dpll |= PLL_REF_INPUT_DREFCLK;
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 8f4f6bd33ee9ec99684eeafd7d6a778f50df9bff..ace8d5d30dd21b25b3f0390cdd2b8d13659f666e 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -702,6 +702,14 @@ static const struct dmi_system_id intel_no_lvds[] = {
 			DMI_MATCH(DMI_BOARD_NAME, "i915GMx-F"),
 		},
 	},
+	{
+		.callback = intel_no_lvds_dmi_callback,
+		.ident = "AOpen i915GMm-HFS",
+		.matches = {
+			DMI_MATCH(DMI_BOARD_VENDOR, "AOpen"),
+			DMI_MATCH(DMI_BOARD_NAME, "i915GMm-HFS"),
+		},
+	},
 	{
 		.callback = intel_no_lvds_dmi_callback,
 		.ident = "Aopen i945GTt-VFA",
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index e00d200df3db1fe2b4dd7c2f2c8789003e58fc86..c65992df458d6a905c1bab7dcb38f38d9dfeab49 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -278,6 +278,6 @@ void intel_panel_setup_backlight(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
 
-	dev_priv->backlight_level = intel_panel_get_max_backlight(dev);
+	dev_priv->backlight_level = intel_panel_get_backlight(dev);
 	dev_priv->backlight_enabled = dev_priv->backlight_level != 0;
 }