3 files changed, 45 insertions, 0 deletions

diff --git a/include/acpi/button.h b/include/acpi/button.h
new file mode 100644
index 000000000000..97eea0e4c016
--- /dev/null
+++ b/include/acpi/button.h
@@ -0,0 +1,25 @@
+#ifndef ACPI_BUTTON_H
+#define ACPI_BUTTON_H
+
+#include <linux/notifier.h>
+
+#if defined(CONFIG_ACPI_BUTTON) || defined(CONFIG_ACPI_BUTTON_MODULE)
+extern int acpi_lid_notifier_register(struct notifier_block *nb);
+extern int acpi_lid_notifier_unregister(struct notifier_block *nb);
+extern int acpi_lid_open(void);
+#else
+static inline int acpi_lid_notifier_register(struct notifier_block *nb)
+{
+        return 0;
+}
+static inline int acpi_lid_notifier_unregister(struct notifier_block *nb)
+{
+        return 0;
+}
+static inline int acpi_lid_open(void)
+{
+        return 1;
+}
+#endif /* defined(CONFIG_ACPI_BUTTON) || defined(CONFIG_ACPI_BUTTON_MODULE) */
+
+#endif /* ACPI_BUTTON_H */
diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h
index 853508499d20..3f6e545609be 100644
--- a/include/drm/drm_pciids.h
+++ b/include/drm/drm_pciids.h
@@ -552,6 +552,7 @@
         {0x8086, 0x2e12, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \
         {0x8086, 0x2e22, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \
         {0x8086, 0x2e32, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \
+        {0x8086, 0x2e42, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \
         {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}, \
diff --git a/include/drm/i915_drm.h b/include/drm/i915_drm.h
index 8e1e92583fbc..7e0cb1da92e6 100644
--- a/include/drm/i915_drm.h
+++ b/include/drm/i915_drm.h
@@ -185,6 +185,7 @@ typedef struct _drm_i915_sarea {
 #define DRM_I915_GEM_GET_APERTURE 0x23
 #define DRM_I915_GEM_MMAP_GTT   0x24
 #define DRM_I915_GET_PIPE_FROM_CRTC_ID  0x25
+#define DRM_I915_GEM_MADVISE    0x26
 
 #define DRM_IOCTL_I915_INIT             DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t)
 #define DRM_IOCTL_I915_FLUSH            DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH)
@@ -221,6 +222,7 @@ typedef struct _drm_i915_sarea {
 #define DRM_IOCTL_I915_GEM_GET_TILING   DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_GET_TILING, struct drm_i915_gem_get_tiling)
 #define DRM_IOCTL_I915_GEM_GET_APERTURE DRM_IOR  (DRM_COMMAND_BASE + DRM_I915_GEM_GET_APERTURE, struct drm_i915_gem_get_aperture)
 #define DRM_IOCTL_I915_GET_PIPE_FROM_CRTC_ID DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GET_PIPE_FROM_CRTC_ID, struct drm_intel_get_pipe_from_crtc_id)
+#define DRM_IOCTL_I915_GEM_MADVISE      DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_MADVISE, struct drm_i915_gem_madvise)
 
 /* Allow drivers to submit batchbuffers directly to hardware, relying
  * on the security mechanisms provided by hardware.
@@ -667,4 +669,21 @@ struct drm_i915_get_pipe_from_crtc_id {
         __u32 pipe;
 };
 
+#define I915_MADV_WILLNEED 0
+#define I915_MADV_DONTNEED 1
+#define __I915_MADV_PURGED 2 /* internal state */
+
+struct drm_i915_gem_madvise {
+        /** Handle of the buffer to change the backing store advice */
+        __u32 handle;
+
+        /* Advice: either the buffer will be needed again in the near future,
+         *         or wont be and could be discarded under memory pressure.
+         */
+        __u32 madv;
+
+        /** Whether the backing store still exists. */
+        __u32 retained;
+};
+
 #endif                          /* _I915_DRM_H_ */