Merge linux-3.0.31 from korg into jellybean

Conflicts:
	arch/arm/mm/proc-v7.S
	drivers/base/core.c
	drivers/gpu/drm/i915/i915_gem_execbuffer.c
	drivers/gpu/drm/i915/intel_display.c
	drivers/gpu/drm/i915/intel_lvds.c
	drivers/gpu/drm/radeon/evergreen.c
	drivers/gpu/drm/radeon/r100.c
	drivers/gpu/drm/radeon/radeon_connectors.c
	drivers/gpu/drm/radeon/rs600.c
	drivers/usb/core/hub.c
	drivers/usb/host/xhci-pci.c
	drivers/usb/host/xhci.c
	drivers/usb/serial/qcserial.c
	fs/proc/base.c

Change-Id: Ia98b35db3f8c0bfd95817867d3acb85be8e5e772

10 files changed, 79 insertions, 44 deletions

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 0694e17..2b8c1f2 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -467,6 +467,10 @@ static int i915_drm_freeze(struct drm_device *dev)
 	/* Modeset on resume, not lid events */
 	dev_priv->modeset_on_lid = 0;
 
+	console_lock();
+	intel_fbdev_set_suspend(dev, 1);
+	console_unlock();
+
 	return 0;
 }
 
@@ -529,7 +533,9 @@ static int i915_drm_thaw(struct drm_device *dev)
 		drm_irq_install(dev);
 
 		/* Resume the modeset for every activated CRTC */
+		mutex_lock(&dev->mode_config.mutex);
 		drm_helper_resume_force_mode(dev);
+		mutex_unlock(&dev->mode_config.mutex);
 
 		if (IS_IRONLAKE_M(dev))
 			ironlake_enable_rc6(dev);
@@ -539,6 +545,9 @@ static int i915_drm_thaw(struct drm_device *dev)
 
 	dev_priv->modeset_on_lid = 0;
 
+	console_lock();
+	intel_fbdev_set_suspend(dev, 0);
+	console_unlock();
 	return error;
 }
 
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 81687af..92101e3 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -1133,6 +1133,11 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
 			return -EINVAL;
 		}
 
+		if (args->num_cliprects > UINT_MAX / sizeof(*cliprects)) {
+			DRM_DEBUG("execbuf with %u cliprects\n",
+				  args->num_cliprects);
+			return -EINVAL;
+		}
 		cliprects = kmalloc(args->num_cliprects * sizeof(*cliprects),
 				    GFP_KERNEL);
 		if (cliprects == NULL) {
@@ -1404,8 +1409,9 @@ i915_gem_execbuffer2(struct drm_device *dev, void *data,
 	struct drm_i915_gem_exec_object2 *exec2_list = NULL;
 	int ret;
 
-	if (args->buffer_count < 1) {
-		DRM_DEBUG("execbuf2 with %d buffers\n", args->buffer_count);
+	if (args->buffer_count < 1 ||
+	    args->buffer_count > UINT_MAX / sizeof(*exec2_list)) {
+		DRM_ERROR("execbuf2 with %d buffers\n", args->buffer_count);
 		return -EINVAL;
 	}
 
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index f59cd3a..e65fb20 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2385,6 +2385,7 @@
 #define   PIPECONF_DISABLE	0
 #define   PIPECONF_DOUBLE_WIDE	(1<<30)
 #define   I965_PIPECONF_ACTIVE	(1<<30)
+#define   PIPECONF_FRAME_START_DELAY_MASK (3<<27)
 #define   PIPECONF_SINGLE_WIDE	0
 #define   PIPECONF_PIPE_UNLOCKED 0
 #define   PIPECONF_PIPE_LOCKED	(1<<25)
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index 8168d8f..b48fc2a 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -24,6 +24,7 @@
  *    Eric Anholt <eric@anholt.net>
  *
  */
+#include <linux/dmi.h>
 #include <drm/drm_dp_helper.h>
 #include "drmP.h"
 #include "drm.h"
@@ -621,6 +622,26 @@ init_vbt_defaults(struct drm_i915_private *dev_priv)
 	dev_priv->edp.bpp = 18;
 }
 
+static int __init intel_no_opregion_vbt_callback(const struct dmi_system_id *id)
+{
+	DRM_DEBUG_KMS("Falling back to manually reading VBT from "
+		      "VBIOS ROM for %s\n",
+		      id->ident);
+	return 1;
+}
+
+static const struct dmi_system_id intel_no_opregion_vbt[] = {
+	{
+		.callback = intel_no_opregion_vbt_callback,
+		.ident = "ThinkCentre A57",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "97027RG"),
+		},
+	},
+	{ }
+};
+
 /**
  * intel_parse_bios - find VBT and initialize settings from the BIOS
  * @dev: DRM device
@@ -641,7 +662,7 @@ intel_parse_bios(struct drm_device *dev)
 	init_vbt_defaults(dev_priv);
 
 	/* XXX Should this validation be moved to intel_opregion.c? */
-	if (dev_priv->opregion.vbt) {
+	if (!dmi_check_system(intel_no_opregion_vbt) && dev_priv->opregion.vbt) {
 		struct vbt_header *vbt = dev_priv->opregion.vbt;
 		if (memcmp(vbt->signature, "$VBT", 4) == 0) {
 			DRM_DEBUG_KMS("Using VBT from OpRegion: %20s\n",
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 72b292a..6bbc686 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -7580,6 +7580,12 @@ static void intel_sanitize_modesetting(struct drm_device *dev,
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	u32 reg, val;
 
+	/* Clear any frame start delays used for debugging left by the BIOS */
+	for_each_pipe(pipe) {
+		reg = PIPECONF(pipe);
+		I915_WRITE(reg, I915_READ(reg) & ~PIPECONF_FRAME_START_DELAY_MASK);
+	}
+
 	if (HAS_PCH_SPLIT(dev))
 		return;
 
@@ -8570,10 +8576,6 @@ static void ivybridge_init_clock_gating(struct drm_device *dev)
 
 	I915_WRITE(ILK_DSPCLK_GATE, IVB_VRHUNIT_CLK_GATE);
 
-	I915_WRITE(IVB_CHICKEN3,
-		   CHICKEN3_DGMG_REQ_OUT_FIX_DISABLE |
-		   CHICKEN3_DGMG_DONE_FIX_DISABLE);
-
 	/* Apply the WaDisableRHWOOptimizationForRenderHang workaround. */
 	I915_WRITE(GEN7_COMMON_SLICE_CHICKEN1,
 		   GEN7_CSC1_RHWO_OPT_DISABLE_IN_RCC);
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 9cec6c3..5a14149 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -382,7 +382,7 @@ extern int intel_framebuffer_init(struct drm_device *dev,
 				  struct drm_i915_gem_object *obj);
 extern int intel_fbdev_init(struct drm_device *dev);
 extern void intel_fbdev_fini(struct drm_device *dev);
-
+extern void intel_fbdev_set_suspend(struct drm_device *dev, int state);
 extern void intel_prepare_page_flip(struct drm_device *dev, int plane);
 extern void intel_finish_page_flip(struct drm_device *dev, int pipe);
 extern void intel_finish_page_flip_plane(struct drm_device *dev, int plane);
diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c
index 2d87669..19ecd78 100644
--- a/drivers/gpu/drm/i915/intel_fb.c
+++ b/drivers/gpu/drm/i915/intel_fb.c
@@ -254,6 +254,16 @@ void intel_fbdev_fini(struct drm_device *dev)
 	kfree(dev_priv->fbdev);
 	dev_priv->fbdev = NULL;
 }
+
+void intel_fbdev_set_suspend(struct drm_device *dev, int state)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	if (!dev_priv->fbdev)
+		return;
+
+	fb_set_suspend(dev_priv->fbdev->helper.fbdev, state);
+}
+
 MODULE_LICENSE("GPL and additional rights");
 
 void intel_fb_output_poll_changed(struct drm_device *dev)
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index c5c0973..491aa9e 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -733,26 +733,10 @@ static const struct dmi_system_id intel_no_lvds[] = {
 	},
 	{
 		.callback = intel_no_lvds_dmi_callback,
-		.ident = "Asus AT5NM10T-I",
+		.ident = "MSI Wind Box DC500",
 		.matches = {
-			DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
-			DMI_MATCH(DMI_BOARD_NAME, "AT5NM10T-I"),
-		},
-	},
-	{
-		.callback = intel_no_lvds_dmi_callback,
-		.ident = "Hewlett-Packard t5745",
-		.matches = {
-			DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
-			DMI_MATCH(DMI_BOARD_NAME, "hp t5745"),
-		},
-	},
-	{
-		.callback = intel_no_lvds_dmi_callback,
-		.ident = "Hewlett-Packard st5747",
-		.matches = {
-			DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
-			DMI_MATCH(DMI_BOARD_NAME, "hp st5747"),
+			DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
+			DMI_MATCH(DMI_BOARD_NAME, "MS-7469"),
 		},
 	},
 
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index fc66af6..4eaa915 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1038,7 +1038,7 @@ int intel_init_ring_buffer(struct drm_device *dev,
 	 * of the buffer.
 	 */
 	ring->effective_size = ring->size;
-	if (IS_I830(ring->dev))
+	if (IS_I830(ring->dev) || IS_845G(ring->dev))
 		ring->effective_size -= 128;
 
 	return 0;
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index ff7ac86..b2c7dc2 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -730,6 +730,7 @@ static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
 	uint16_t width, height;
 	uint16_t h_blank_len, h_sync_len, v_blank_len, v_sync_len;
 	uint16_t h_sync_offset, v_sync_offset;
+	int mode_clock;
 
 	width = mode->crtc_hdisplay;
 	height = mode->crtc_vdisplay;
@@ -744,7 +745,11 @@ static void intel_sdvo_get_dtd_from_mode(struct intel_sdvo_dtd *dtd,
 	h_sync_offset = mode->crtc_hsync_start - mode->crtc_hblank_start;
 	v_sync_offset = mode->crtc_vsync_start - mode->crtc_vblank_start;
 
-	dtd->part1.clock = mode->clock / 10;
+	mode_clock = mode->clock;
+	mode_clock /= intel_mode_get_pixel_multiplier(mode) ?: 1;
+	mode_clock /= 10;
+	dtd->part1.clock = mode_clock;
+
 	dtd->part1.h_active = width & 0xff;
 	dtd->part1.h_blank = h_blank_len & 0xff;
 	dtd->part1.h_high = (((width >> 8) & 0xf) << 4) |
@@ -995,7 +1000,7 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
 	struct intel_sdvo *intel_sdvo = to_intel_sdvo(encoder);
 	u32 sdvox;
 	struct intel_sdvo_in_out_map in_out;
-	struct intel_sdvo_dtd input_dtd;
+	struct intel_sdvo_dtd input_dtd, output_dtd;
 	int pixel_multiplier = intel_mode_get_pixel_multiplier(adjusted_mode);
 	int rate;
 
@@ -1020,20 +1025,13 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
 					  intel_sdvo->attached_output))
 		return;
 
-	/* We have tried to get input timing in mode_fixup, and filled into
-	 * adjusted_mode.
-	 */
-	if (intel_sdvo->is_tv || intel_sdvo->is_lvds) {
-		input_dtd = intel_sdvo->input_dtd;
-	} else {
-		/* Set the output timing to the screen */
-		if (!intel_sdvo_set_target_output(intel_sdvo,
-						  intel_sdvo->attached_output))
-			return;
-
-		intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
-		(void) intel_sdvo_set_output_timing(intel_sdvo, &input_dtd);
-	}
+	/* lvds has a special fixed output timing. */
+	if (intel_sdvo->is_lvds)
+		intel_sdvo_get_dtd_from_mode(&output_dtd,
+					     intel_sdvo->sdvo_lvds_fixed_mode);
+	else
+		intel_sdvo_get_dtd_from_mode(&output_dtd, mode);
+	(void) intel_sdvo_set_output_timing(intel_sdvo, &output_dtd);
 
 	/* Set the input timing to the screen. Assume always input 0. */
 	if (!intel_sdvo_set_target_input(intel_sdvo))
@@ -1051,6 +1049,10 @@ static void intel_sdvo_mode_set(struct drm_encoder *encoder,
 	    !intel_sdvo_set_tv_format(intel_sdvo))
 		return;
 
+	/* We have tried to get input timing in mode_fixup, and filled into
+	 * adjusted_mode.
+	 */
+	intel_sdvo_get_dtd_from_mode(&input_dtd, adjusted_mode);
 	(void) intel_sdvo_set_input_timing(intel_sdvo, &input_dtd);
 
 	switch (pixel_multiplier) {