---

yaml
---
r: 254261
b: refs/heads/master
c: 8208441
h: refs/heads/master
i:
  254259: 7bab7f5
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c66a86d0cdce3bad2da794f114cc37377d242c3d
+refs/heads/master: 8208441be21eb3df448e171c4e5cf92756f287da

trunk/CREDITS

@@ -518,7 +518,7 @@ N: Zach Brown
 E: zab@zabbo.net
 D: maestro pci sound
 
-N: David Brownell
+M: David Brownell
 D: Kernel engineer, mentor, and friend.  Maintained USB EHCI and
 D: gadget layers, SPI subsystem, GPIO subsystem, and more than a few
 D: device drivers.  His encouragement also helped many engineers get

trunk/README

@@ -1,6 +1,6 @@
-	Linux kernel release 3.x <http://kernel.org/>
+	Linux kernel release 2.6.xx <http://kernel.org/>
 
-These are the release notes for Linux version 3.  Read them carefully,
+These are the release notes for Linux version 2.6.  Read them carefully,
 as they tell you what this is all about, explain how to install the
 kernel, and what to do if something goes wrong. 
 
@@ -62,10 +62,10 @@ INSTALLING the kernel source:
    directory where you have permissions (eg. your home directory) and
    unpack it:
 
-		gzip -cd linux-3.X.tar.gz | tar xvf -
+		gzip -cd linux-2.6.XX.tar.gz | tar xvf -
 
    or
-		bzip2 -dc linux-3.X.tar.bz2 | tar xvf -
+		bzip2 -dc linux-2.6.XX.tar.bz2 | tar xvf -
 
 
    Replace "XX" with the version number of the latest kernel.
@@ -75,25 +75,25 @@ INSTALLING the kernel source:
    files.  They should match the library, and not get messed up by
    whatever the kernel-du-jour happens to be.
 
- - You can also upgrade between 3.x releases by patching.  Patches are
+ - You can also upgrade between 2.6.xx releases by patching.  Patches are
    distributed in the traditional gzip and the newer bzip2 format.  To
    install by patching, get all the newer patch files, enter the
-   top level directory of the kernel source (linux-3.x) and execute:
+   top level directory of the kernel source (linux-2.6.xx) and execute:
 
-		gzip -cd ../patch-3.x.gz | patch -p1
+		gzip -cd ../patch-2.6.xx.gz | patch -p1
 
    or
-		bzip2 -dc ../patch-3.x.bz2 | patch -p1
+		bzip2 -dc ../patch-2.6.xx.bz2 | patch -p1
 
    (repeat xx for all versions bigger than the version of your current
    source tree, _in_order_) and you should be ok.  You may want to remove
    the backup files (xxx~ or xxx.orig), and make sure that there are no
    failed patches (xxx# or xxx.rej). If there are, either you or me has
    made a mistake.
 
-   Unlike patches for the 3.x kernels, patches for the 3.x.y kernels
+   Unlike patches for the 2.6.x kernels, patches for the 2.6.x.y kernels
    (also known as the -stable kernels) are not incremental but instead apply
-   directly to the base 3.x kernel.  Please read
+   directly to the base 2.6.x kernel.  Please read
    Documentation/applying-patches.txt for more information.
 
    Alternatively, the script patch-kernel can be used to automate this
@@ -107,14 +107,14 @@ INSTALLING the kernel source:
    an alternative directory can be specified as the second argument.
 
  - If you are upgrading between releases using the stable series patches
-   (for example, patch-3.x.y), note that these "dot-releases" are
-   not incremental and must be applied to the 3.x base tree. For
-   example, if your base kernel is 3.0 and you want to apply the
-   3.0.3 patch, you do not and indeed must not first apply the
-   3.0.1 and 3.0.2 patches. Similarly, if you are running kernel
-   version 3.0.2 and want to jump to 3.0.3, you must first
-   reverse the 3.0.2 patch (that is, patch -R) _before_ applying
-   the 3.0.3 patch.
+   (for example, patch-2.6.xx.y), note that these "dot-releases" are
+   not incremental and must be applied to the 2.6.xx base tree. For
+   example, if your base kernel is 2.6.12 and you want to apply the
+   2.6.12.3 patch, you do not and indeed must not first apply the
+   2.6.12.1 and 2.6.12.2 patches. Similarly, if you are running kernel
+   version 2.6.12.2 and want to jump to 2.6.12.3, you must first
+   reverse the 2.6.12.2 patch (that is, patch -R) _before_ applying
+   the 2.6.12.3 patch.
    You can read more on this in Documentation/applying-patches.txt
 
  - Make sure you have no stale .o files and dependencies lying around:
@@ -126,7 +126,7 @@ INSTALLING the kernel source:
 
 SOFTWARE REQUIREMENTS
 
-   Compiling and running the 3.x kernels requires up-to-date
+   Compiling and running the 2.6.xx kernels requires up-to-date
    versions of various software packages.  Consult
    Documentation/Changes for the minimum version numbers required
    and how to get updates for these packages.  Beware that using
@@ -142,11 +142,11 @@ BUILD directory for the kernel:
    Using the option "make O=output/dir" allow you to specify an alternate
    place for the output files (including .config).
    Example:
-     kernel source code:	/usr/src/linux-3.N
+     kernel source code:	/usr/src/linux-2.6.N
      build directory:		/home/name/build/kernel
 
    To configure and build the kernel use:
-   cd /usr/src/linux-3.N
+   cd /usr/src/linux-2.6.N
    make O=/home/name/build/kernel menuconfig
    make O=/home/name/build/kernel
    sudo make O=/home/name/build/kernel modules_install install

trunk/arch/x86/pci/xen.c

@@ -333,7 +333,6 @@ static int xen_register_pirq(u32 gsi, int triggering)
 	struct physdev_map_pirq map_irq;
 	int shareable = 0;
 	char *name;
-	bool gsi_override = false;
 
 	if (!xen_pv_domain())
 		return -1;
@@ -350,32 +349,11 @@ static int xen_register_pirq(u32 gsi, int triggering)
 	if (pirq < 0)
 		goto out;
 
-	/* Before we bind the GSI to a Linux IRQ, check whether
-	 * we need to override it with bus_irq (IRQ) value. Usually for
-	 * IRQs below IRQ_LEGACY_IRQ this holds IRQ == GSI, as so:
-	 *  ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 low level)
-	 * but there are oddballs where the IRQ != GSI:
-	 *  ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 20 low level)
-	 * which ends up being: gsi_to_irq[9] == 20
-	 * (which is what acpi_gsi_to_irq ends up calling when starting the
-	 * the ACPI interpreter and keels over since IRQ 9 has not been
-	 * setup as we had setup IRQ 20 for it).
-	 */
-	if (gsi == acpi_sci_override_gsi) {
-		/* Check whether the GSI != IRQ */
-		acpi_gsi_to_irq(gsi, &irq);
-		if (irq != gsi)
-			/* Bugger, we MUST have that IRQ. */
-			gsi_override = true;
-	}
-	if (gsi_override)
-		irq = xen_bind_pirq_gsi_to_irq(irq, pirq, shareable, name);
-	else
-		irq = xen_bind_pirq_gsi_to_irq(gsi, pirq, shareable, name);
+	irq = xen_bind_pirq_gsi_to_irq(gsi, pirq, shareable, name);
 	if (irq < 0)
 		goto out;
 
-	printk(KERN_DEBUG "xen: --> pirq=%d -> irq=%d (gsi=%d)\n", pirq, irq, gsi);
+	printk(KERN_DEBUG "xen: --> pirq=%d -> irq=%d\n", pirq, irq);
 
 	map_irq.domid = DOMID_SELF;
 	map_irq.type = MAP_PIRQ_TYPE_GSI;

trunk/arch/x86/xen/mmu.c

@@ -1232,11 +1232,7 @@ static void xen_flush_tlb_others(const struct cpumask *cpus,
 {
 	struct {
 		struct mmuext_op op;
-#ifdef CONFIG_SMP
 		DECLARE_BITMAP(mask, num_processors);
-#else
-		DECLARE_BITMAP(mask, NR_CPUS);
-#endif
 	} *args;
 	struct multicall_space mcs;
 

trunk/drivers/gpu/drm/i915/i915_debugfs.c

@@ -1207,17 +1207,13 @@ static int i915_context_status(struct seq_file *m, void *unused)
 	if (ret)
 		return ret;
 
-	if (dev_priv->pwrctx) {
-		seq_printf(m, "power context ");
-		describe_obj(m, dev_priv->pwrctx);
-		seq_printf(m, "\n");
-	}
+	seq_printf(m, "power context ");
+	describe_obj(m, dev_priv->pwrctx);
+	seq_printf(m, "\n");
 
-	if (dev_priv->renderctx) {
-		seq_printf(m, "render context ");
-		describe_obj(m, dev_priv->renderctx);
-		seq_printf(m, "\n");
-	}
+	seq_printf(m, "render context ");
+	describe_obj(m, dev_priv->renderctx);
+	seq_printf(m, "\n");
 
 	mutex_unlock(&dev->mode_config.mutex);
 

trunk/drivers/gpu/drm/i915/i915_dma.c

@@ -1266,6 +1266,30 @@ static int i915_load_modeset_init(struct drm_device *dev)
 
 	intel_modeset_gem_init(dev);
 
+	if (IS_IVYBRIDGE(dev)) {
+		/* Share pre & uninstall handlers with ILK/SNB */
+		dev->driver->irq_handler = ivybridge_irq_handler;
+		dev->driver->irq_preinstall = ironlake_irq_preinstall;
+		dev->driver->irq_postinstall = ivybridge_irq_postinstall;
+		dev->driver->irq_uninstall = ironlake_irq_uninstall;
+		dev->driver->enable_vblank = ivybridge_enable_vblank;
+		dev->driver->disable_vblank = ivybridge_disable_vblank;
+	} else if (HAS_PCH_SPLIT(dev)) {
+		dev->driver->irq_handler = ironlake_irq_handler;
+		dev->driver->irq_preinstall = ironlake_irq_preinstall;
+		dev->driver->irq_postinstall = ironlake_irq_postinstall;
+		dev->driver->irq_uninstall = ironlake_irq_uninstall;
+		dev->driver->enable_vblank = ironlake_enable_vblank;
+		dev->driver->disable_vblank = ironlake_disable_vblank;
+	} else {
+		dev->driver->irq_preinstall = i915_driver_irq_preinstall;
+		dev->driver->irq_postinstall = i915_driver_irq_postinstall;
+		dev->driver->irq_uninstall = i915_driver_irq_uninstall;
+		dev->driver->irq_handler = i915_driver_irq_handler;
+		dev->driver->enable_vblank = i915_enable_vblank;
+		dev->driver->disable_vblank = i915_disable_vblank;
+	}
+
 	ret = drm_irq_install(dev);
 	if (ret)
 		goto cleanup_gem;
@@ -1993,7 +2017,12 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 	/* enable GEM by default */
 	dev_priv->has_gem = 1;
 
-	intel_irq_init(dev);
+	dev->driver->get_vblank_counter = i915_get_vblank_counter;
+	dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
+	if (IS_G4X(dev) || IS_GEN5(dev) || IS_GEN6(dev) || IS_IVYBRIDGE(dev)) {
+		dev->max_vblank_count = 0xffffffff; /* full 32 bit counter */
+		dev->driver->get_vblank_counter = gm45_get_vblank_counter;
+	}
 
 	/* Try to make sure MCHBAR is enabled before poking at it */
 	intel_setup_mchbar(dev);

trunk/drivers/gpu/drm/i915/i915_drv.c

@@ -765,6 +765,14 @@ static struct drm_driver driver = {
 	.resume = i915_resume,
 
 	.device_is_agp = i915_driver_device_is_agp,
+	.enable_vblank = i915_enable_vblank,
+	.disable_vblank = i915_disable_vblank,
+	.get_vblank_timestamp = i915_get_vblank_timestamp,
+	.get_scanout_position = i915_get_crtc_scanoutpos,
+	.irq_preinstall = i915_driver_irq_preinstall,
+	.irq_postinstall = i915_driver_irq_postinstall,
+	.irq_uninstall = i915_driver_irq_uninstall,
+	.irq_handler = i915_driver_irq_handler,
 	.reclaim_buffers = drm_core_reclaim_buffers,
 	.master_create = i915_master_create,
 	.master_destroy = i915_master_destroy,

trunk/drivers/gpu/drm/i915/i915_drv.h

@@ -997,6 +997,8 @@ extern unsigned int i915_enable_fbc;
 
 extern int i915_suspend(struct drm_device *dev, pm_message_t state);
 extern int i915_resume(struct drm_device *dev);
+extern void i915_save_display(struct drm_device *dev);
+extern void i915_restore_display(struct drm_device *dev);
 extern int i915_master_create(struct drm_device *dev, struct drm_master *master);
 extern void i915_master_destroy(struct drm_device *dev, struct drm_master *master);
 
@@ -1031,12 +1033,33 @@ extern int i915_irq_emit(struct drm_device *dev, void *data,
 extern int i915_irq_wait(struct drm_device *dev, void *data,
 			 struct drm_file *file_priv);
 
-extern void intel_irq_init(struct drm_device *dev);
+extern irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS);
+extern void i915_driver_irq_preinstall(struct drm_device * dev);
+extern int i915_driver_irq_postinstall(struct drm_device *dev);
+extern void i915_driver_irq_uninstall(struct drm_device * dev);
+
+extern irqreturn_t ironlake_irq_handler(DRM_IRQ_ARGS);
+extern void ironlake_irq_preinstall(struct drm_device *dev);
+extern int ironlake_irq_postinstall(struct drm_device *dev);
+extern void ironlake_irq_uninstall(struct drm_device *dev);
+
+extern irqreturn_t ivybridge_irq_handler(DRM_IRQ_ARGS);
+extern void ivybridge_irq_preinstall(struct drm_device *dev);
+extern int ivybridge_irq_postinstall(struct drm_device *dev);
+extern void ivybridge_irq_uninstall(struct drm_device *dev);
 
 extern int i915_vblank_pipe_set(struct drm_device *dev, void *data,
 				struct drm_file *file_priv);
 extern int i915_vblank_pipe_get(struct drm_device *dev, void *data,
 				struct drm_file *file_priv);
+extern int i915_enable_vblank(struct drm_device *dev, int crtc);
+extern void i915_disable_vblank(struct drm_device *dev, int crtc);
+extern int ironlake_enable_vblank(struct drm_device *dev, int crtc);
+extern void ironlake_disable_vblank(struct drm_device *dev, int crtc);
+extern int ivybridge_enable_vblank(struct drm_device *dev, int crtc);
+extern void ivybridge_disable_vblank(struct drm_device *dev, int crtc);
+extern u32 i915_get_vblank_counter(struct drm_device *dev, int crtc);
+extern u32 gm45_get_vblank_counter(struct drm_device *dev, int crtc);
 extern int i915_vblank_swap(struct drm_device *dev, void *data,
 			    struct drm_file *file_priv);
 
@@ -1047,6 +1070,13 @@ void
 i915_disable_pipestat(drm_i915_private_t *dev_priv, int pipe, u32 mask);
 
 void intel_enable_asle (struct drm_device *dev);
+int i915_get_vblank_timestamp(struct drm_device *dev, int crtc,
+			      int *max_error,
+			      struct timeval *vblank_time,
+			      unsigned flags);
+
+int i915_get_crtc_scanoutpos(struct drm_device *dev, int pipe,
+			     int *vpos, int *hpos);
 
 #ifdef CONFIG_DEBUG_FS
 extern void i915_destroy_error_state(struct drm_device *dev);