Merge branch 'master' into for-next

11 files changed, 382 insertions, 110 deletions

diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 1d4a920ef7ff..04a7f31301f8 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -56,6 +56,7 @@
 #include <linux/mutex.h>
 #include <linux/io.h>
 #include <linux/slab.h>
+#include <linux/ratelimit.h>
 #if defined(__alpha__) || defined(__powerpc__)
 #include <asm/pgtable.h>	/* For pte_wrprotect */
 #endif
@@ -136,7 +137,6 @@ int drm_err(const char *func, const char *format, ...);
 
 /* driver capabilities and requirements mask */
 #define DRIVER_USE_AGP     0x1
-#define DRIVER_REQUIRE_AGP 0x2
 #define DRIVER_PCI_DMA     0x8
 #define DRIVER_SG          0x10
 #define DRIVER_HAVE_DMA    0x20
@@ -180,9 +180,28 @@ int drm_err(const char *func, const char *format, ...);
 #define DRM_ERROR(fmt, ...)				\
 	drm_err(__func__, fmt, ##__VA_ARGS__)
 
+/**
+ * Rate limited error output.  Like DRM_ERROR() but won't flood the log.
+ *
+ * \param fmt printf() like format string.
+ * \param arg arguments
+ */
+#define DRM_ERROR_RATELIMITED(fmt, ...)				\
+({									\
+	static DEFINE_RATELIMIT_STATE(_rs,				\
+				      DEFAULT_RATELIMIT_INTERVAL,	\
+				      DEFAULT_RATELIMIT_BURST);		\
+									\
+	if (__ratelimit(&_rs))						\
+		drm_err(__func__, fmt, ##__VA_ARGS__);			\
+})
+
 #define DRM_INFO(fmt, ...)				\
 	printk(KERN_INFO "[" DRM_NAME "] " fmt, ##__VA_ARGS__)
 
+#define DRM_INFO_ONCE(fmt, ...)				\
+	printk_once(KERN_INFO "[" DRM_NAME "] " fmt, ##__VA_ARGS__)
+
 /**
  * Debug output.
  *
@@ -422,7 +441,6 @@ struct drm_file {
 	struct pid *pid;
 	kuid_t uid;
 	drm_magic_t magic;
-	unsigned long ioctl_count;
 	struct list_head lhead;
 	struct drm_minor *minor;
 	unsigned long lock_count;
@@ -511,7 +529,7 @@ struct drm_device_dma {
  */
 struct drm_agp_mem {
 	unsigned long handle;		/**< handle */
-	DRM_AGP_MEM *memory;
+	struct agp_memory *memory;
 	unsigned long bound;		/**< address */
 	int pages;
 	struct list_head head;
@@ -523,7 +541,7 @@ struct drm_agp_mem {
  * \sa drm_agp_init() and drm_device::agp.
  */
 struct drm_agp_head {
-	DRM_AGP_KERN agp_info;		/**< AGP device information */
+	struct agp_kern_info agp_info;		/**< AGP device information */
 	struct list_head memory;
 	unsigned long mode;		/**< AGP mode */
 	struct agp_bridge_data *bridge;
@@ -607,13 +625,6 @@ struct drm_ati_pcigart_info {
 };
 
 /**
- * GEM specific mm private for tracking GEM objects
- */
-struct drm_gem_mm {
-	struct drm_vma_offset_manager vma_manager;
-};
-
-/**
  * This structure defines the drm_mm memory object, which will be used by the
  * DRM for its buffer objects.
  */
@@ -750,10 +761,6 @@ struct drm_bus {
 	int (*set_unique)(struct drm_device *dev, struct drm_master *master,
 			  struct drm_unique *unique);
 	int (*irq_by_busid)(struct drm_device *dev, struct drm_irq_busid *p);
-	/* hooks that are for PCI */
-	int (*agp_init)(struct drm_device *dev);
-	void (*agp_destroy)(struct drm_device *dev);
-
 };
 
 /**
@@ -841,6 +848,7 @@ struct drm_driver {
 	 *
 	 * \param dev  DRM device.
 	 * \param crtc Id of the crtc to query.
+	 * \param flags Flags from the caller (DRM_CALLED_FROM_VBLIRQ or 0).
 	 * \param *vpos Target location for current vertical scanout position.
 	 * \param *hpos Target location for current horizontal scanout position.
 	 * \param *stime Target location for timestamp taken immediately before
@@ -863,6 +871,7 @@ struct drm_driver {
 	 *
 	 */
 	int (*get_scanout_position) (struct drm_device *dev, int crtc,
+				     unsigned int flags,
 				     int *vpos, int *hpos, ktime_t *stime,
 				     ktime_t *etime);
 
@@ -903,7 +912,7 @@ struct drm_driver {
 
 	/* these have to be filled in */
 
-	irqreturn_t(*irq_handler) (DRM_IRQ_ARGS);
+	irqreturn_t(*irq_handler) (int irq, void *arg);
 	void (*irq_preinstall) (struct drm_device *dev);
 	int (*irq_postinstall) (struct drm_device *dev);
 	void (*irq_uninstall) (struct drm_device *dev);
@@ -995,8 +1004,8 @@ struct drm_driver {
 	} kdriver;
 	struct drm_bus *bus;
 
-	/* List of devices hanging off this driver */
-	struct list_head device_list;
+	/* List of devices hanging off this driver with stealth attach. */
+	struct list_head legacy_dev_list;
 };
 
 #define DRM_MINOR_UNASSIGNED 0
@@ -1085,7 +1094,7 @@ struct drm_vblank_crtc {
  * may contain multiple heads.
  */
 struct drm_device {
-	struct list_head driver_item;	/**< list of devices per driver */
+	struct list_head legacy_dev_list;/**< list of devices per driver for stealth attach cleanup */
 	char *devname;			/**< For /proc/interrupts */
 	int if_version;			/**< Highest interface version set */
 
@@ -1098,8 +1107,6 @@ struct drm_device {
 	/** \name Usage Counters */
 	/*@{ */
 	int open_count;			/**< Outstanding files open */
-	atomic_t ioctl_count;		/**< Outstanding IOCTLs pending */
-	atomic_t vma_count;		/**< Outstanding vma areas open */
 	int buf_use;			/**< Buffers in use -- cannot alloc */
 	atomic_t buf_alloc;		/**< Buffer allocation in progress */
 	/*@} */
@@ -1176,7 +1183,6 @@ struct drm_device {
 	struct drm_sg_mem *sg;	/**< Scatter gather memory */
 	unsigned int num_crtcs;                  /**< Number of CRTCs on this device */
 	void *dev_private;		/**< device private data */
-	void *mm_private;
 	struct address_space *dev_mapping;
 	struct drm_sigdata sigdata;	   /**< For block_all_signals */
 	sigset_t sigmask;
@@ -1194,6 +1200,7 @@ struct drm_device {
 	/*@{ */
 	struct mutex object_name_lock;
 	struct idr object_name_idr;
+	struct drm_vma_offset_manager *vma_offset_manager;
 	/*@} */
 	int switch_power_state;
 
@@ -1268,6 +1275,7 @@ extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait);
 				/* Memory management support (drm_memory.h) */
 #include <drm/drm_memory.h>
 
+
 				/* Misc. IOCTL support (drm_ioctl.h) */
 extern int drm_irq_by_busid(struct drm_device *dev, void *data,
 			    struct drm_file *file_priv);
@@ -1398,8 +1406,10 @@ extern int drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev,
 						 int crtc, int *max_error,
 						 struct timeval *vblank_time,
 						 unsigned flags,
-						 struct drm_crtc *refcrtc);
-extern void drm_calc_timestamping_constants(struct drm_crtc *crtc);
+						 const struct drm_crtc *refcrtc,
+						 const struct drm_display_mode *mode);
+extern void drm_calc_timestamping_constants(struct drm_crtc *crtc,
+					    const struct drm_display_mode *mode);
 
 extern bool
 drm_mode_parse_command_line_for_connector(const char *mode_option,
@@ -1461,6 +1471,30 @@ extern int drm_debugfs_create_files(const struct drm_info_list *files,
 extern int drm_debugfs_remove_files(const struct drm_info_list *files,
 				    int count, struct drm_minor *minor);
 extern int drm_debugfs_cleanup(struct drm_minor *minor);
+#else
+static inline int drm_debugfs_init(struct drm_minor *minor, int minor_id,
+				   struct dentry *root)
+{
+	return 0;
+}
+
+static inline int drm_debugfs_create_files(const struct drm_info_list *files,
+					   int count, struct dentry *root,
+					   struct drm_minor *minor)
+{
+	return 0;
+}
+
+static inline int drm_debugfs_remove_files(const struct drm_info_list *files,
+					   int count, struct drm_minor *minor)
+{
+	return 0;
+}
+
+static inline int drm_debugfs_cleanup(struct drm_minor *minor)
+{
+	return 0;
+}
 #endif
 
 				/* Info file support */
@@ -1645,6 +1679,7 @@ static __inline__ int drm_pci_device_is_agp(struct drm_device *dev)
 
 	return pci_find_capability(dev->pdev, PCI_CAP_ID_AGP);
 }
+void drm_pci_agp_destroy(struct drm_device *dev);
 
 extern int drm_pci_init(struct drm_driver *driver, struct pci_driver *pdriver);
 extern void drm_pci_exit(struct drm_driver *driver, struct pci_driver *pdriver);
@@ -1660,7 +1695,6 @@ extern int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *speed_mask);
 
 /* platform section */
 extern int drm_platform_init(struct drm_driver *driver, struct platform_device *platform_device);
-extern void drm_platform_exit(struct drm_driver *driver, struct platform_device *platform_device);
 
 /* returns true if currently okay to sleep */
 static __inline__ bool drm_can_sleep(void)
diff --git a/include/drm/drm_agpsupport.h b/include/drm/drm_agpsupport.h
index a184eeee9c96..86a02188074b 100644
--- a/include/drm/drm_agpsupport.h
+++ b/include/drm/drm_agpsupport.h
@@ -10,17 +10,16 @@
 
 #if __OS_HAS_AGP
 
-void drm_free_agp(DRM_AGP_MEM * handle, int pages);
-int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start);
-int drm_unbind_agp(DRM_AGP_MEM * handle);
-DRM_AGP_MEM *drm_agp_bind_pages(struct drm_device *dev,
+void drm_free_agp(struct agp_memory * handle, int pages);
+int drm_bind_agp(struct agp_memory * handle, unsigned int start);
+int drm_unbind_agp(struct agp_memory * handle);
+struct agp_memory *drm_agp_bind_pages(struct drm_device *dev,
 				struct page **pages,
 				unsigned long num_pages,
 				uint32_t gtt_offset,
 				uint32_t type);
 
 struct drm_agp_head *drm_agp_init(struct drm_device *dev);
-void drm_agp_destroy(struct drm_agp_head *agp);
 void drm_agp_clear(struct drm_device *dev);
 int drm_agp_acquire(struct drm_device *dev);
 int drm_agp_acquire_ioctl(struct drm_device *dev, void *data,
@@ -46,29 +45,23 @@ int drm_agp_unbind_ioctl(struct drm_device *dev, void *data,
 int drm_agp_bind(struct drm_device *dev, struct drm_agp_binding *request);
 int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
 		       struct drm_file *file_priv);
-
-static inline int drm_core_has_AGP(struct drm_device *dev)
-{
-	return drm_core_check_feature(dev, DRIVER_USE_AGP);
-}
-
 #else /* __OS_HAS_AGP */
 
-static inline void drm_free_agp(DRM_AGP_MEM * handle, int pages)
+static inline void drm_free_agp(struct agp_memory * handle, int pages)
 {
 }
 
-static inline int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start)
+static inline int drm_bind_agp(struct agp_memory * handle, unsigned int start)
 {
 	return -ENODEV;
 }
 
-static inline int drm_unbind_agp(DRM_AGP_MEM * handle)
+static inline int drm_unbind_agp(struct agp_memory * handle)
 {
 	return -ENODEV;
 }
 
-static inline DRM_AGP_MEM *drm_agp_bind_pages(struct drm_device *dev,
+static inline struct agp_memory *drm_agp_bind_pages(struct drm_device *dev,
 					      struct page **pages,
 					      unsigned long num_pages,
 					      uint32_t gtt_offset,
@@ -82,10 +75,6 @@ static inline struct drm_agp_head *drm_agp_init(struct drm_device *dev)
 	return NULL;
 }
 
-static inline void drm_agp_destroy(struct drm_agp_head *agp)
-{
-}
-
 static inline void drm_agp_clear(struct drm_device *dev)
 {
 }
@@ -183,12 +172,6 @@ static inline int drm_agp_bind_ioctl(struct drm_device *dev, void *data,
 {
 	return -ENODEV;
 }
-
-static inline int drm_core_has_AGP(struct drm_device *dev)
-{
-	return 0;
-}
-
 #endif /* __OS_HAS_AGP */
 
 #endif /* _DRM_AGPSUPPORT_H_ */
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index f32c5cd51f41..71727b6210ae 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -30,6 +30,7 @@
 #include <linux/types.h>
 #include <linux/idr.h>
 #include <linux/fb.h>
+#include <linux/hdmi.h>
 #include <drm/drm_mode.h>
 
 #include <drm/drm_fourcc.h>
@@ -181,6 +182,7 @@ struct drm_display_mode {
 
 	int vrefresh;		/* in Hz */
 	int hsync;		/* in kHz */
+	enum hdmi_picture_aspect picture_aspect_ratio;
 };
 
 static inline bool drm_mode_is_stereo(const struct drm_display_mode *mode)
@@ -447,7 +449,7 @@ struct drm_crtc {
 	uint16_t *gamma_store;
 
 	/* Constants needed for precise vblank and swap timestamping. */
-	s64 framedur_ns, linedur_ns, pixeldur_ns;
+	int framedur_ns, linedur_ns, pixeldur_ns;
 
 	/* if you are using the helper */
 	void *helper_private;
@@ -929,6 +931,19 @@ extern int drm_crtc_init(struct drm_device *dev,
 			 struct drm_crtc *crtc,
 			 const struct drm_crtc_funcs *funcs);
 extern void drm_crtc_cleanup(struct drm_crtc *crtc);
+extern unsigned int drm_crtc_index(struct drm_crtc *crtc);
+
+/**
+ * drm_crtc_mask - find the mask of a registered CRTC
+ * @crtc: CRTC to find mask for
+ *
+ * Given a registered CRTC, return the mask bit of that CRTC for an
+ * encoder's possible_crtcs field.
+ */
+static inline uint32_t drm_crtc_mask(struct drm_crtc *crtc)
+{
+	return 1 << drm_crtc_index(crtc);
+}
 
 extern void drm_connector_ida_init(void);
 extern void drm_connector_ida_destroy(void);
@@ -950,6 +965,19 @@ extern int drm_encoder_init(struct drm_device *dev,
 			    const struct drm_encoder_funcs *funcs,
 			    int encoder_type);
 
+/**
+ * drm_encoder_crtc_ok - can a given crtc drive a given encoder?
+ * @encoder: encoder to test
+ * @crtc: crtc to test
+ *
+ * Return false if @encoder can't be driven by @crtc, true otherwise.
+ */
+static inline bool drm_encoder_crtc_ok(struct drm_encoder *encoder,
+				       struct drm_crtc *crtc)
+{
+	return !!(encoder->possible_crtcs & drm_crtc_mask(crtc));
+}
+
 extern int drm_plane_init(struct drm_device *dev,
 			  struct drm_plane *plane,
 			  unsigned long possible_crtcs,
diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h
index ef6ad3a8e58e..b1388b5fe7ac 100644
--- a/include/drm/drm_crtc_helper.h
+++ b/include/drm/drm_crtc_helper.h
@@ -120,8 +120,8 @@ struct drm_encoder_helper_funcs {
  */
 struct drm_connector_helper_funcs {
 	int (*get_modes)(struct drm_connector *connector);
-	int (*mode_valid)(struct drm_connector *connector,
-			  struct drm_display_mode *mode);
+	enum drm_mode_status (*mode_valid)(struct drm_connector *connector,
+					   struct drm_display_mode *mode);
 	struct drm_encoder *(*best_encoder)(struct drm_connector *connector);
 };
 
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index a92c3754e3bb..1d09050a8c00 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -41,22 +41,22 @@
  * 1.2 formally includes both eDP and DPI definitions.
  */
 
-#define AUX_NATIVE_WRITE	0x8
-#define AUX_NATIVE_READ		0x9
-#define AUX_I2C_WRITE		0x0
-#define AUX_I2C_READ		0x1
-#define AUX_I2C_STATUS		0x2
-#define AUX_I2C_MOT		0x4
-
-#define AUX_NATIVE_REPLY_ACK	(0x0 << 4)
-#define AUX_NATIVE_REPLY_NACK	(0x1 << 4)
-#define AUX_NATIVE_REPLY_DEFER	(0x2 << 4)
-#define AUX_NATIVE_REPLY_MASK	(0x3 << 4)
-
-#define AUX_I2C_REPLY_ACK	(0x0 << 6)
-#define AUX_I2C_REPLY_NACK	(0x1 << 6)
-#define AUX_I2C_REPLY_DEFER	(0x2 << 6)
-#define AUX_I2C_REPLY_MASK	(0x3 << 6)
+#define DP_AUX_I2C_WRITE		0x0
+#define DP_AUX_I2C_READ			0x1
+#define DP_AUX_I2C_STATUS		0x2
+#define DP_AUX_I2C_MOT			0x4
+#define DP_AUX_NATIVE_WRITE		0x8
+#define DP_AUX_NATIVE_READ		0x9
+
+#define DP_AUX_NATIVE_REPLY_ACK		(0x0 << 0)
+#define DP_AUX_NATIVE_REPLY_NACK	(0x1 << 0)
+#define DP_AUX_NATIVE_REPLY_DEFER	(0x2 << 0)
+#define DP_AUX_NATIVE_REPLY_MASK	(0x3 << 0)
+
+#define DP_AUX_I2C_REPLY_ACK		(0x0 << 2)
+#define DP_AUX_I2C_REPLY_NACK		(0x1 << 2)
+#define DP_AUX_I2C_REPLY_DEFER		(0x2 << 2)
+#define DP_AUX_I2C_REPLY_MASK		(0x3 << 2)
 
 /* AUX CH addresses */
 /* DPCD */
@@ -266,9 +266,10 @@
 
 #define DP_TEST_REQUEST			    0x218
 # define DP_TEST_LINK_TRAINING		    (1 << 0)
-# define DP_TEST_LINK_PATTERN		    (1 << 1)
+# define DP_TEST_LINK_VIDEO_PATTERN	    (1 << 1)
 # define DP_TEST_LINK_EDID_READ		    (1 << 2)
 # define DP_TEST_LINK_PHY_TEST_PATTERN	    (1 << 3) /* DPCD >= 1.1 */
+# define DP_TEST_LINK_FAUX_PATTERN	    (1 << 4) /* DPCD >= 1.2 */
 
 #define DP_TEST_LINK_RATE		    0x219
 # define DP_LINK_RATE_162		    (0x6)
diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h
new file mode 100644
index 000000000000..d32628acdd90
--- /dev/null
+++ b/include/drm/drm_mipi_dsi.h
@@ -0,0 +1,158 @@
+/*
+ * MIPI DSI Bus
+ *
+ * Copyright (C) 2012-2013, Samsung Electronics, Co., Ltd.
+ * Andrzej Hajda <a.hajda@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __DRM_MIPI_DSI_H__
+#define __DRM_MIPI_DSI_H__
+
+#include <linux/device.h>
+
+struct mipi_dsi_host;
+struct mipi_dsi_device;
+
+/**
+ * struct mipi_dsi_msg - read/write DSI buffer
+ * @channel: virtual channel id
+ * @type: payload data type
+ * @tx_len: length of @tx_buf
+ * @tx_buf: data to be written
+ * @rx_len: length of @rx_buf
+ * @rx_buf: data to be read, or NULL
+ */
+struct mipi_dsi_msg {
+	u8 channel;
+	u8 type;
+
+	size_t tx_len;
+	const void *tx_buf;
+
+	size_t rx_len;
+	void *rx_buf;
+};
+
+/**
+ * struct mipi_dsi_host_ops - DSI bus operations
+ * @attach: attach DSI device to DSI host
+ * @detach: detach DSI device from DSI host
+ * @transfer: send and/or receive DSI packet, return number of received bytes,
+ * 	      or error
+ */
+struct mipi_dsi_host_ops {
+	int (*attach)(struct mipi_dsi_host *host,
+		      struct mipi_dsi_device *dsi);
+	int (*detach)(struct mipi_dsi_host *host,
+		      struct mipi_dsi_device *dsi);
+	ssize_t (*transfer)(struct mipi_dsi_host *host,
+			    struct mipi_dsi_msg *msg);
+};
+
+/**
+ * struct mipi_dsi_host - DSI host device
+ * @dev: driver model device node for this DSI host
+ * @ops: DSI host operations
+ */
+struct mipi_dsi_host {
+	struct device *dev;
+	const struct mipi_dsi_host_ops *ops;
+};
+
+int mipi_dsi_host_register(struct mipi_dsi_host *host);
+void mipi_dsi_host_unregister(struct mipi_dsi_host *host);
+
+/* DSI mode flags */
+
+/* video mode */
+#define MIPI_DSI_MODE_VIDEO		BIT(0)
+/* video burst mode */
+#define MIPI_DSI_MODE_VIDEO_BURST	BIT(1)
+/* video pulse mode */
+#define MIPI_DSI_MODE_VIDEO_SYNC_PULSE	BIT(2)
+/* enable auto vertical count mode */
+#define MIPI_DSI_MODE_VIDEO_AUTO_VERT	BIT(3)
+/* enable hsync-end packets in vsync-pulse and v-porch area */
+#define MIPI_DSI_MODE_VIDEO_HSE		BIT(4)
+/* disable hfront-porch area */
+#define MIPI_DSI_MODE_VIDEO_HFP		BIT(5)
+/* disable hback-porch area */
+#define MIPI_DSI_MODE_VIDEO_HBP		BIT(6)
+/* disable hsync-active area */
+#define MIPI_DSI_MODE_VIDEO_HSA		BIT(7)
+/* flush display FIFO on vsync pulse */
+#define MIPI_DSI_MODE_VSYNC_FLUSH	BIT(8)
+/* disable EoT packets in HS mode */
+#define MIPI_DSI_MODE_EOT_PACKET	BIT(9)
+
+enum mipi_dsi_pixel_format {
+	MIPI_DSI_FMT_RGB888,
+	MIPI_DSI_FMT_RGB666,
+	MIPI_DSI_FMT_RGB666_PACKED,
+	MIPI_DSI_FMT_RGB565,
+};
+
+/**
+ * struct mipi_dsi_device - DSI peripheral device
+ * @host: DSI host for this peripheral
+ * @dev: driver model device node for this peripheral
+ * @channel: virtual channel assigned to the peripheral
+ * @format: pixel format for video mode
+ * @lanes: number of active data lanes
+ * @mode_flags: DSI operation mode related flags
+ */
+struct mipi_dsi_device {
+	struct mipi_dsi_host *host;
+	struct device dev;
+
+	unsigned int channel;
+	unsigned int lanes;
+	enum mipi_dsi_pixel_format format;
+	unsigned long mode_flags;
+};
+
+#define to_mipi_dsi_device(d) container_of(d, struct mipi_dsi_device, dev)
+
+int mipi_dsi_attach(struct mipi_dsi_device *dsi);
+int mipi_dsi_detach(struct mipi_dsi_device *dsi);
+int mipi_dsi_dcs_write(struct mipi_dsi_device *dsi, unsigned int channel,
+		       const void *data, size_t len);
+ssize_t mipi_dsi_dcs_read(struct mipi_dsi_device *dsi, unsigned int channel,
+			  u8 cmd, void *data, size_t len);
+
+/**
+ * struct mipi_dsi_driver - DSI driver
+ * @driver: device driver model driver
+ * @probe: callback for device binding
+ * @remove: callback for device unbinding
+ */
+struct mipi_dsi_driver {
+	struct device_driver driver;
+	int(*probe)(struct mipi_dsi_device *dsi);
+	int(*remove)(struct mipi_dsi_device *dsi);
+};
+
+#define to_mipi_dsi_driver(d) container_of(d, struct mipi_dsi_driver, driver)
+
+static inline void *mipi_dsi_get_drvdata(const struct mipi_dsi_device *dsi)
+{
+	return dev_get_drvdata(&dsi->dev);
+}
+
+static inline void mipi_dsi_set_drvdata(struct mipi_dsi_device *dsi, void *data)
+{
+	dev_set_drvdata(&dsi->dev, data);
+}
+
+int mipi_dsi_driver_register(struct mipi_dsi_driver *driver);
+void mipi_dsi_driver_unregister(struct mipi_dsi_driver *driver);
+
+#define module_mipi_dsi_driver(__mipi_dsi_driver) \
+	module_driver(__mipi_dsi_driver, mipi_dsi_driver_register, \
+			mipi_dsi_driver_unregister)
+
+#endif /* __DRM_MIPI_DSI__ */
diff --git a/include/drm/drm_os_linux.h b/include/drm/drm_os_linux.h
index 815fafc6b4ad..86ab99bc0ac5 100644
--- a/include/drm/drm_os_linux.h
+++ b/include/drm/drm_os_linux.h
@@ -21,7 +21,6 @@ static inline void writeq(u64 val, void __iomem *reg)
 
 /** Current process ID */
 #define DRM_CURRENTPID			task_pid_nr(current)
-#define DRM_SUSER(p)			capable(CAP_SYS_ADMIN)
 #define DRM_UDELAY(d)			udelay(d)
 /** Read a byte from a MMIO region */
 #define DRM_READ8(map, offset)		readb(((void __iomem *)(map)->handle) + (offset))
@@ -35,45 +34,12 @@ static inline void writeq(u64 val, void __iomem *reg)
 #define DRM_WRITE16(map, offset, val)   writew(val, ((void __iomem *)(map)->handle) + (offset))
 /** Write a dword into a MMIO region */
 #define DRM_WRITE32(map, offset, val)	writel(val, ((void __iomem *)(map)->handle) + (offset))
-/** Read memory barrier */
 
 /** Read a qword from a MMIO region - be careful using these unless you really understand them */
 #define DRM_READ64(map, offset)		readq(((void __iomem *)(map)->handle) + (offset))
 /** Write a qword into a MMIO region */
 #define DRM_WRITE64(map, offset, val)	writeq(val, ((void __iomem *)(map)->handle) + (offset))
 
-#define DRM_READMEMORYBARRIER()		rmb()
-/** Write memory barrier */
-#define DRM_WRITEMEMORYBARRIER()	wmb()
-/** Read/write memory barrier */
-#define DRM_MEMORYBARRIER()		mb()
-
-/** IRQ handler arguments and return type and values */
-#define DRM_IRQ_ARGS		int irq, void *arg
-
-/** AGP types */
-#if __OS_HAS_AGP
-#define DRM_AGP_MEM		struct agp_memory
-#define DRM_AGP_KERN		struct agp_kern_info
-#else
-/* define some dummy types for non AGP supporting kernels */
-struct no_agp_kern {
-	unsigned long aper_base;
-	unsigned long aper_size;
-};
-#define DRM_AGP_MEM             int
-#define DRM_AGP_KERN            struct no_agp_kern
-#endif
-
-/** Other copying of data to kernel space */
-#define DRM_COPY_FROM_USER(arg1, arg2, arg3)		\
-	copy_from_user(arg1, arg2, arg3)
-/** Other copying of data from kernel space */
-#define DRM_COPY_TO_USER(arg1, arg2, arg3)		\
-	copy_to_user(arg1, arg2, arg3)
-
-#define DRM_HZ HZ
-
 #define DRM_WAIT_ON( ret, queue, timeout, condition )		\
 do {								\
 	DECLARE_WAITQUEUE(entry, current);			\
@@ -97,6 +63,3 @@ do {								\
 	__set_current_state(TASK_RUNNING);			\
 	remove_wait_queue(&(queue), &entry);			\
 } while (0)
-
-#define DRM_WAKEUP( queue ) wake_up( queue )
-#define DRM_INIT_WAITQUEUE( queue ) init_waitqueue_head( queue )
diff --git a/include/drm/drm_panel.h b/include/drm/drm_panel.h
new file mode 100644
index 000000000000..c2ab77add67c
--- /dev/null
+++ b/include/drm/drm_panel.h
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2013, NVIDIA Corporation.  All rights reserved.
+ *
+ * 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, sub license,
+ * 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 NON-INFRINGEMENT. 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.
+ */
+
+#ifndef __DRM_PANEL_H__
+#define __DRM_PANEL_H__
+
+#include <linux/list.h>
+
+struct drm_connector;
+struct drm_device;
+struct drm_panel;
+
+struct drm_panel_funcs {
+	int (*disable)(struct drm_panel *panel);
+	int (*enable)(struct drm_panel *panel);
+	int (*get_modes)(struct drm_panel *panel);
+};
+
+struct drm_panel {
+	struct drm_device *drm;
+	struct drm_connector *connector;
+	struct device *dev;
+
+	const struct drm_panel_funcs *funcs;
+
+	struct list_head list;
+};
+
+static inline int drm_panel_disable(struct drm_panel *panel)
+{
+	if (panel && panel->funcs && panel->funcs->disable)
+		return panel->funcs->disable(panel);
+
+	return panel ? -ENOSYS : -EINVAL;
+}
+
+static inline int drm_panel_enable(struct drm_panel *panel)
+{
+	if (panel && panel->funcs && panel->funcs->enable)
+		return panel->funcs->enable(panel);
+
+	return panel ? -ENOSYS : -EINVAL;
+}
+
+void drm_panel_init(struct drm_panel *panel);
+
+int drm_panel_add(struct drm_panel *panel);
+void drm_panel_remove(struct drm_panel *panel);
+
+int drm_panel_attach(struct drm_panel *panel, struct drm_connector *connector);
+int drm_panel_detach(struct drm_panel *panel);
+
+#ifdef CONFIG_OF
+struct drm_panel *of_drm_find_panel(struct device_node *np);
+#else
+static inline struct drm_panel *of_drm_find_panel(struct device_node *np)
+{
+	return NULL;
+}
+#endif
+
+#endif
diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h
index 87578c109e48..49376aec2fbb 100644
--- a/include/drm/drm_pciids.h
+++ b/include/drm/drm_pciids.h
@@ -600,7 +600,7 @@
 	{0x1002, 0x9645, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO2|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
 	{0x1002, 0x9647, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\
 	{0x1002, 0x9648, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\
-	{0x1002, 0x9649, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\
+	{0x1002, 0x9649, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO2|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP},\
 	{0x1002, 0x964a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
 	{0x1002, 0x964b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
 	{0x1002, 0x964c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_SUMO|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index 8639c85d61c4..32d34ebf0706 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -681,6 +681,15 @@ extern int ttm_tt_set_placement_caching(struct ttm_tt *ttm, uint32_t placement);
 extern int ttm_tt_swapout(struct ttm_tt *ttm,
 			  struct file *persistent_swap_storage);
 
+/**
+ * ttm_tt_unpopulate - free pages from a ttm
+ *
+ * @ttm: Pointer to the ttm_tt structure
+ *
+ * Calls the driver method to free all pages from a ttm
+ */
+extern void ttm_tt_unpopulate(struct ttm_tt *ttm);
+
 /*
  * ttm_bo.c
  */
diff --git a/include/drm/ttm/ttm_object.h b/include/drm/ttm/ttm_object.h
index 58b029894eb3..0097cc03034e 100644
--- a/include/drm/ttm/ttm_object.h
+++ b/include/drm/ttm/ttm_object.h
@@ -190,14 +190,26 @@ extern int ttm_base_object_init(struct ttm_object_file *tfile,
  * @key: Hash key
  *
  * Looks up a struct ttm_base_object with the key @key.
- * Also verifies that the object is visible to the application, by
- * comparing the @tfile argument and checking the object shareable flag.
  */
 
 extern struct ttm_base_object *ttm_base_object_lookup(struct ttm_object_file
 						      *tfile, uint32_t key);
 
 /**
+ * ttm_base_object_lookup_for_ref
+ *
+ * @tdev: Pointer to a struct ttm_object_device.
+ * @key: Hash key
+ *
+ * Looks up a struct ttm_base_object with the key @key.
+ * This function should only be used when the struct tfile associated with the
+ * caller doesn't yet have a reference to the base object.
+ */
+
+extern struct ttm_base_object *
+ttm_base_object_lookup_for_ref(struct ttm_object_device *tdev, uint32_t key);
+
+/**
  * ttm_base_object_unref
  *
  * @p_base: Pointer to a pointer referencing a struct ttm_base_object.
@@ -218,6 +230,8 @@ extern void ttm_base_object_unref(struct ttm_base_object **p_base);
  * @existed: Upon completion, indicates that an identical reference object
  * already existed, and the refcount was upped on that object instead.
  *
+ * Checks that the base object is shareable and adds a ref object to it.
+ *
  * Adding a ref object to a base object is basically like referencing the
  * base object, but a user-space application holds the reference. When the
  * file corresponding to @tfile is closed, all its reference objects are