Merge tag 'drm-misc-next-2023-01-03' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for v6.3:

UAPI Changes:

 * connector: Support analog-TV mode property
 * media: Add MEDIA_BUS_FMT_RGB565_1X24_CPADHI,
   MEDIA_BUS_FMT_RGB666_1X18 and MEDIA_BUS_FMT_RGB666_1X24_CPADHI

Cross-subsystem Changes:

 * dma-buf: Documentation fixes
 * i2c: Introduce i2c_client_get_device_id() helper

Core Changes:

 * Improve support for analog TV output
 * bridge: Remove unused drm_bridge_chain functions
 * debugfs: Add per-device helpers and convert various DRM drivers
 * dp-mst: Various fixes
 * fbdev emulation: Always pick 32 bpp as default
 * KUnit: Add tests for managed helpers; Various cleanups
 * panel-orientation: Add quirks for Lenovo Yoga Tab 3 X90F and DynaBook K50
 * TTM: Open-code ttm_bo_wait() and remove the helper

Driver Changes:

 * Fix preferred depth and bpp values throughout DRM drivers
 * Remove #CONFIG_PM guards throughout DRM drivers
 * ast: Various fixes
 * bridge: Implement i2c's probe_new in various drivers; Fixes; ite-it6505:
   Locking fixes, Cache EDID data; ite-it66121: Support IT6610 chip,
   Cleanups; lontium-tl9611: Fix HDMI on DragonBoard 845c; parade-ps8640:
   Use atomic bridge functions
 * gud: Convert to DRM shadow-plane helpers; Perform flushing synchronously
   during atomic update
 * ili9486: Support 16-bit pixel data
 * imx: Split off IPUv3 driver; Various fixes
 * mipi-dbi: Convert to DRM shadow-plane helpers plus rsp driver changes;i
   Support separate I/O-voltage supply
 * mxsfb: Depend on ARCH_MXS or ARCH_MXC
 * omapdrm: Various fixes
 * panel: Use ktime_get_boottime() to measure power-down delay in various
   drivers; Fix auto-suspend delay in various drivers; orisetech-ota5601a:
   Add support
 * sprd: Cleanups
 * sun4i: Convert to new TV-mode property
 * tidss: Various fixes
 * v3d: Various fixes
 * vc4: Convert to new TV-mode property; Support Kunit tests; Cleanups;
   dpi: Support RGB565 and RGB666 formats; dsi: Convert DSI driver to
   bridge
 * virtio: Improve tracing
 * vkms: Support small cursors in IGT tests; Various fixes

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/Y7QIwlfElAYWxRcR@linux-uq9g

22 files changed, 513 insertions, 576 deletions

diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h
index 10b1990bc1f6..92586ab55ef5 100644
--- a/include/drm/drm_atomic.h
+++ b/include/drm/drm_atomic.h
@@ -515,17 +515,17 @@ struct drm_private_state * __must_check
 drm_atomic_get_private_obj_state(struct drm_atomic_state *state,
 				 struct drm_private_obj *obj);
 struct drm_private_state *
-drm_atomic_get_old_private_obj_state(struct drm_atomic_state *state,
+drm_atomic_get_old_private_obj_state(const struct drm_atomic_state *state,
 				     struct drm_private_obj *obj);
 struct drm_private_state *
-drm_atomic_get_new_private_obj_state(struct drm_atomic_state *state,
+drm_atomic_get_new_private_obj_state(const struct drm_atomic_state *state,
 				     struct drm_private_obj *obj);
 
 struct drm_connector *
-drm_atomic_get_old_connector_for_encoder(struct drm_atomic_state *state,
+drm_atomic_get_old_connector_for_encoder(const struct drm_atomic_state *state,
 					 struct drm_encoder *encoder);
 struct drm_connector *
-drm_atomic_get_new_connector_for_encoder(struct drm_atomic_state *state,
+drm_atomic_get_new_connector_for_encoder(const struct drm_atomic_state *state,
 					 struct drm_encoder *encoder);
 
 /**
@@ -540,7 +540,7 @@ drm_atomic_get_new_connector_for_encoder(struct drm_atomic_state *state,
  * @drm_atomic_get_new_crtc_state should be used instead.
  */
 static inline struct drm_crtc_state *
-drm_atomic_get_existing_crtc_state(struct drm_atomic_state *state,
+drm_atomic_get_existing_crtc_state(const struct drm_atomic_state *state,
 				   struct drm_crtc *crtc)
 {
 	return state->crtcs[drm_crtc_index(crtc)].state;
@@ -555,7 +555,7 @@ drm_atomic_get_existing_crtc_state(struct drm_atomic_state *state,
  * NULL if the CRTC is not part of the global atomic state.
  */
 static inline struct drm_crtc_state *
-drm_atomic_get_old_crtc_state(struct drm_atomic_state *state,
+drm_atomic_get_old_crtc_state(const struct drm_atomic_state *state,
 			      struct drm_crtc *crtc)
 {
 	return state->crtcs[drm_crtc_index(crtc)].old_state;
@@ -569,7 +569,7 @@ drm_atomic_get_old_crtc_state(struct drm_atomic_state *state,
  * NULL if the CRTC is not part of the global atomic state.
  */
 static inline struct drm_crtc_state *
-drm_atomic_get_new_crtc_state(struct drm_atomic_state *state,
+drm_atomic_get_new_crtc_state(const struct drm_atomic_state *state,
 			      struct drm_crtc *crtc)
 {
 	return state->crtcs[drm_crtc_index(crtc)].new_state;
@@ -587,7 +587,7 @@ drm_atomic_get_new_crtc_state(struct drm_atomic_state *state,
  * @drm_atomic_get_new_plane_state should be used instead.
  */
 static inline struct drm_plane_state *
-drm_atomic_get_existing_plane_state(struct drm_atomic_state *state,
+drm_atomic_get_existing_plane_state(const struct drm_atomic_state *state,
 				    struct drm_plane *plane)
 {
 	return state->planes[drm_plane_index(plane)].state;
@@ -602,7 +602,7 @@ drm_atomic_get_existing_plane_state(struct drm_atomic_state *state,
  * NULL if the plane is not part of the global atomic state.
  */
 static inline struct drm_plane_state *
-drm_atomic_get_old_plane_state(struct drm_atomic_state *state,
+drm_atomic_get_old_plane_state(const struct drm_atomic_state *state,
 			       struct drm_plane *plane)
 {
 	return state->planes[drm_plane_index(plane)].old_state;
@@ -617,7 +617,7 @@ drm_atomic_get_old_plane_state(struct drm_atomic_state *state,
  * NULL if the plane is not part of the global atomic state.
  */
 static inline struct drm_plane_state *
-drm_atomic_get_new_plane_state(struct drm_atomic_state *state,
+drm_atomic_get_new_plane_state(const struct drm_atomic_state *state,
 			       struct drm_plane *plane)
 {
 	return state->planes[drm_plane_index(plane)].new_state;
@@ -635,7 +635,7 @@ drm_atomic_get_new_plane_state(struct drm_atomic_state *state,
  * @drm_atomic_get_new_connector_state should be used instead.
  */
 static inline struct drm_connector_state *
-drm_atomic_get_existing_connector_state(struct drm_atomic_state *state,
+drm_atomic_get_existing_connector_state(const struct drm_atomic_state *state,
 					struct drm_connector *connector)
 {
 	int index = drm_connector_index(connector);
@@ -655,7 +655,7 @@ drm_atomic_get_existing_connector_state(struct drm_atomic_state *state,
  * or NULL if the connector is not part of the global atomic state.
  */
 static inline struct drm_connector_state *
-drm_atomic_get_old_connector_state(struct drm_atomic_state *state,
+drm_atomic_get_old_connector_state(const struct drm_atomic_state *state,
 				   struct drm_connector *connector)
 {
 	int index = drm_connector_index(connector);
@@ -675,7 +675,7 @@ drm_atomic_get_old_connector_state(struct drm_atomic_state *state,
  * or NULL if the connector is not part of the global atomic state.
  */
 static inline struct drm_connector_state *
-drm_atomic_get_new_connector_state(struct drm_atomic_state *state,
+drm_atomic_get_new_connector_state(const struct drm_atomic_state *state,
 				   struct drm_connector *connector)
 {
 	int index = drm_connector_index(connector);
@@ -713,7 +713,7 @@ drm_atomic_get_new_connector_state(struct drm_atomic_state *state,
  * Read-only pointer to the current plane state.
  */
 static inline const struct drm_plane_state *
-__drm_atomic_get_current_plane_state(struct drm_atomic_state *state,
+__drm_atomic_get_current_plane_state(const struct drm_atomic_state *state,
 				     struct drm_plane *plane)
 {
 	if (state->planes[drm_plane_index(plane)].state)
@@ -1134,10 +1134,10 @@ struct drm_bridge_state *
 drm_atomic_get_bridge_state(struct drm_atomic_state *state,
 			    struct drm_bridge *bridge);
 struct drm_bridge_state *
-drm_atomic_get_old_bridge_state(struct drm_atomic_state *state,
+drm_atomic_get_old_bridge_state(const struct drm_atomic_state *state,
 				struct drm_bridge *bridge);
 struct drm_bridge_state *
-drm_atomic_get_new_bridge_state(struct drm_atomic_state *state,
+drm_atomic_get_new_bridge_state(const struct drm_atomic_state *state,
 				struct drm_bridge *bridge);
 
 #endif /* DRM_ATOMIC_H_ */
diff --git a/include/drm/drm_atomic_state_helper.h b/include/drm/drm_atomic_state_helper.h
index 192766656b88..b9740edb2658 100644
--- a/include/drm/drm_atomic_state_helper.h
+++ b/include/drm/drm_atomic_state_helper.h
@@ -26,6 +26,7 @@
 
 #include <linux/types.h>
 
+struct drm_atomic_state;
 struct drm_bridge;
 struct drm_bridge_state;
 struct drm_crtc;
@@ -70,6 +71,9 @@ void __drm_atomic_helper_connector_state_reset(struct drm_connector_state *conn_
 void __drm_atomic_helper_connector_reset(struct drm_connector *connector,
 					 struct drm_connector_state *conn_state);
 void drm_atomic_helper_connector_reset(struct drm_connector *connector);
+void drm_atomic_helper_connector_tv_reset(struct drm_connector *connector);
+int drm_atomic_helper_connector_tv_check(struct drm_connector *connector,
+					 struct drm_atomic_state *state);
 void drm_atomic_helper_connector_tv_margins_reset(struct drm_connector *connector);
 void
 __drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector,
diff --git a/include/drm/drm_audio_component.h b/include/drm/drm_audio_component.h
index 0d36bfd1a4cd..5a4cd1fa8e2a 100644
--- a/include/drm/drm_audio_component.h
+++ b/include/drm/drm_audio_component.h
@@ -4,6 +4,9 @@
 #ifndef _DRM_AUDIO_COMPONENT_H_
 #define _DRM_AUDIO_COMPONENT_H_
 
+#include <linux/completion.h>
+#include <linux/types.h>
+
 struct drm_audio_component;
 struct device;
 
diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h
index 6b65b0dfb4fb..42f86327b40a 100644
--- a/include/drm/drm_bridge.h
+++ b/include/drm/drm_bridge.h
@@ -297,12 +297,6 @@ struct drm_bridge_funcs {
 	 * not enable the display link feeding the next bridge in the chain (if
 	 * there is one) when this callback is called.
 	 *
-	 * Note that this function will only be invoked in the context of an
-	 * atomic commit. It will not be invoked from
-	 * &drm_bridge_chain_pre_enable. It would be prudent to also provide an
-	 * implementation of @pre_enable if you are expecting driver calls into
-	 * &drm_bridge_chain_pre_enable.
-	 *
 	 * The @atomic_pre_enable callback is optional.
 	 */
 	void (*atomic_pre_enable)(struct drm_bridge *bridge,
@@ -323,11 +317,6 @@ struct drm_bridge_funcs {
 	 * callback must enable the display link feeding the next bridge in the
 	 * chain if there is one.
 	 *
-	 * Note that this function will only be invoked in the context of an
-	 * atomic commit. It will not be invoked from &drm_bridge_chain_enable.
-	 * It would be prudent to also provide an implementation of @enable if
-	 * you are expecting driver calls into &drm_bridge_chain_enable.
-	 *
 	 * The @atomic_enable callback is optional.
 	 */
 	void (*atomic_enable)(struct drm_bridge *bridge,
@@ -345,12 +334,6 @@ struct drm_bridge_funcs {
 	 * The bridge can assume that the display pipe (i.e. clocks and timing
 	 * signals) feeding it is still running when this callback is called.
 	 *
-	 * Note that this function will only be invoked in the context of an
-	 * atomic commit. It will not be invoked from
-	 * &drm_bridge_chain_disable. It would be prudent to also provide an
-	 * implementation of @disable if you are expecting driver calls into
-	 * &drm_bridge_chain_disable.
-	 *
 	 * The @atomic_disable callback is optional.
 	 */
 	void (*atomic_disable)(struct drm_bridge *bridge,
@@ -370,13 +353,6 @@ struct drm_bridge_funcs {
 	 * signals) feeding it is no longer running when this callback is
 	 * called.
 	 *
-	 * Note that this function will only be invoked in the context of an
-	 * atomic commit. It will not be invoked from
-	 * &drm_bridge_chain_post_disable.
-	 * It would be prudent to also provide an implementation of
-	 * @post_disable if you are expecting driver calls into
-	 * &drm_bridge_chain_post_disable.
-	 *
 	 * The @atomic_post_disable callback is optional.
 	 */
 	void (*atomic_post_disable)(struct drm_bridge *bridge,
@@ -769,6 +745,14 @@ struct drm_bridge {
 	 */
 	bool interlace_allowed;
 	/**
+	 * @pre_enable_prev_first: The bridge requires that the prev
+	 * bridge @pre_enable function is called before its @pre_enable,
+	 * and conversely for post_disable. This is most frequently a
+	 * requirement for DSI devices which need the host to be initialised
+	 * before the peripheral.
+	 */
+	bool pre_enable_prev_first;
+	/**
 	 * @ddc: Associated I2C adapter for DDC access, if any.
 	 */
 	struct i2c_adapter *ddc;
@@ -876,13 +860,9 @@ enum drm_mode_status
 drm_bridge_chain_mode_valid(struct drm_bridge *bridge,
 			    const struct drm_display_info *info,
 			    const struct drm_display_mode *mode);
-void drm_bridge_chain_disable(struct drm_bridge *bridge);
-void drm_bridge_chain_post_disable(struct drm_bridge *bridge);
 void drm_bridge_chain_mode_set(struct drm_bridge *bridge,
 			       const struct drm_display_mode *mode,
 			       const struct drm_display_mode *adjusted_mode);
-void drm_bridge_chain_pre_enable(struct drm_bridge *bridge);
-void drm_bridge_chain_enable(struct drm_bridge *bridge);
 
 int drm_atomic_bridge_chain_check(struct drm_bridge *bridge,
 				  struct drm_crtc_state *crtc_state,
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
index 565cf9d3c550..9037f1317aee 100644
--- a/include/drm/drm_connector.h
+++ b/include/drm/drm_connector.h
@@ -144,6 +144,65 @@ enum subpixel_order {
 };
 
 /**
+ * enum drm_connector_tv_mode - Analog TV output mode
+ *
+ * This enum is used to indicate the TV output mode used on an analog TV
+ * connector.
+ *
+ * WARNING: The values of this enum is uABI since they're exposed in the
+ * "TV mode" connector property.
+ */
+enum drm_connector_tv_mode {
+	/**
+	 * @DRM_MODE_TV_MODE_NTSC: CCIR System M (aka 525-lines)
+	 * together with the NTSC Color Encoding.
+	 */
+	DRM_MODE_TV_MODE_NTSC,
+
+	/**
+	 * @DRM_MODE_TV_MODE_NTSC_443: Variant of
+	 * @DRM_MODE_TV_MODE_NTSC. Uses a color subcarrier frequency
+	 * of 4.43 MHz.
+	 */
+	DRM_MODE_TV_MODE_NTSC_443,
+
+	/**
+	 * @DRM_MODE_TV_MODE_NTSC_J: Variant of @DRM_MODE_TV_MODE_NTSC
+	 * used in Japan. Uses a black level equals to the blanking
+	 * level.
+	 */
+	DRM_MODE_TV_MODE_NTSC_J,
+
+	/**
+	 * @DRM_MODE_TV_MODE_PAL: CCIR System B together with the PAL
+	 * color system.
+	 */
+	DRM_MODE_TV_MODE_PAL,
+
+	/**
+	 * @DRM_MODE_TV_MODE_PAL_M: CCIR System M (aka 525-lines)
+	 * together with the PAL color encoding
+	 */
+	DRM_MODE_TV_MODE_PAL_M,
+
+	/**
+	 * @DRM_MODE_TV_MODE_PAL_N: CCIR System N together with the PAL
+	 * color encoding. It uses 625 lines, but has a color subcarrier
+	 * frequency of 3.58MHz, the SECAM color space, and narrower
+	 * channels compared to most of the other PAL variants.
+	 */
+	DRM_MODE_TV_MODE_PAL_N,
+
+	/**
+	 * @DRM_MODE_TV_MODE_SECAM: CCIR System B together with the
+	 * SECAM color system.
+	 */
+	DRM_MODE_TV_MODE_SECAM,
+
+	DRM_MODE_TV_MODE_MAX,
+};
+
+/**
  * struct drm_scrambling: sink's scrambling support.
  */
 struct drm_scrambling {
@@ -701,6 +760,7 @@ struct drm_connector_tv_margins {
  * @select_subconnector: selected subconnector
  * @subconnector: detected subconnector
  * @margins: TV margins
+ * @legacy_mode: Legacy TV mode, driver specific value
  * @mode: TV mode
  * @brightness: brightness in percent
  * @contrast: contrast in percent
@@ -713,6 +773,7 @@ struct drm_tv_connector_state {
 	enum drm_mode_subconnector select_subconnector;
 	enum drm_mode_subconnector subconnector;
 	struct drm_connector_tv_margins margins;
+	unsigned int legacy_mode;
 	unsigned int mode;
 	unsigned int brightness;
 	unsigned int contrast;
@@ -1313,6 +1374,18 @@ struct drm_cmdline_mode {
 	 * @tv_margins: TV margins to apply to the mode.
 	 */
 	struct drm_connector_tv_margins tv_margins;
+
+	/**
+	 * @tv_mode: TV mode standard. See DRM_MODE_TV_MODE_*.
+	 */
+	enum drm_connector_tv_mode tv_mode;
+
+	/**
+	 * @tv_mode_specified:
+	 *
+	 * Did the mode have a preferred TV mode?
+	 */
+	bool tv_mode_specified;
 };
 
 /**
@@ -1810,19 +1883,24 @@ const char *drm_get_subpixel_order_name(enum subpixel_order order);
 const char *drm_get_dpms_name(int val);
 const char *drm_get_dvi_i_subconnector_name(int val);
 const char *drm_get_dvi_i_select_name(int val);
+const char *drm_get_tv_mode_name(int val);
 const char *drm_get_tv_subconnector_name(int val);
 const char *drm_get_tv_select_name(int val);
 const char *drm_get_dp_subconnector_name(int val);
 const char *drm_get_content_protection_name(int val);
 const char *drm_get_hdcp_content_type_name(int val);
 
+int drm_get_tv_mode_from_name(const char *name, size_t len);
+
 int drm_mode_create_dvi_i_properties(struct drm_device *dev);
 void drm_connector_attach_dp_subconnector_property(struct drm_connector *connector);
 
 int drm_mode_create_tv_margin_properties(struct drm_device *dev);
+int drm_mode_create_tv_properties_legacy(struct drm_device *dev,
+					 unsigned int num_modes,
+					 const char * const modes[]);
 int drm_mode_create_tv_properties(struct drm_device *dev,
-				  unsigned int num_modes,
-				  const char * const modes[]);
+				  unsigned int supported_tv_modes);
 void drm_connector_attach_tv_margin_properties(struct drm_connector *conn);
 int drm_mode_create_scaling_mode_property(struct drm_device *dev);
 int drm_connector_attach_content_type_property(struct drm_connector *dev);
diff --git a/include/drm/drm_debugfs.h b/include/drm/drm_debugfs.h
index 2188dc83957f..53b7297260a5 100644
--- a/include/drm/drm_debugfs.h
+++ b/include/drm/drm_debugfs.h
@@ -79,12 +79,43 @@ struct drm_info_node {
 	struct dentry *dent;
 };
 
+/**
+ * struct drm_debugfs_info - debugfs info list entry
+ *
+ * This structure represents a debugfs file to be created by the drm
+ * core.
+ */
+struct drm_debugfs_info {
+	const char *name;
+	int (*show)(struct seq_file*, void*);
+	u32 driver_features;
+	void *data;
+};
+
+/**
+ * struct drm_debugfs_entry - Per-device debugfs node structure
+ *
+ * This structure represents a debugfs file, as an instantiation of a &struct
+ * drm_debugfs_info on a &struct drm_device.
+ */
+struct drm_debugfs_entry {
+	struct drm_device *dev;
+	struct drm_debugfs_info file;
+	struct list_head list;
+};
+
 #if defined(CONFIG_DEBUG_FS)
 void drm_debugfs_create_files(const struct drm_info_list *files,
 			      int count, struct dentry *root,
 			      struct drm_minor *minor);
 int drm_debugfs_remove_files(const struct drm_info_list *files,
 			     int count, struct drm_minor *minor);
+
+void drm_debugfs_add_file(struct drm_device *dev, const char *name,
+			  int (*show)(struct seq_file*, void*), void *data);
+
+void drm_debugfs_add_files(struct drm_device *dev,
+			   const struct drm_debugfs_info *files, int count);
 #else
 static inline void drm_debugfs_create_files(const struct drm_info_list *files,
 					    int count, struct dentry *root,
@@ -96,6 +127,16 @@ static inline int drm_debugfs_remove_files(const struct drm_info_list *files,
 {
 	return 0;
 }
+
+static inline void drm_debugfs_add_file(struct drm_device *dev, const char *name,
+					int (*show)(struct seq_file*, void*),
+					void *data)
+{}
+
+static inline void drm_debugfs_add_files(struct drm_device *dev,
+					 const struct drm_debugfs_info *files,
+					 int count)
+{}
 #endif
 
 #endif /* _DRM_DEBUGFS_H_ */
diff --git a/include/drm/drm_device.h b/include/drm/drm_device.h
index 933ce2048e20..a68c6a312b46 100644
--- a/include/drm/drm_device.h
+++ b/include/drm/drm_device.h
@@ -298,6 +298,21 @@ struct drm_device {
 	 */
 	struct drm_fb_helper *fb_helper;
 
+	/**
+	 * @debugfs_mutex:
+	 *
+	 * Protects &debugfs_list access.
+	 */
+	struct mutex debugfs_mutex;
+
+	/**
+	 * @debugfs_list:
+	 *
+	 * List of debugfs files to be created by the DRM device. The files
+	 * must be added during drm_dev_register().
+	 */
+	struct list_head debugfs_list;
+
 	/* Everything below here is for legacy driver, never use! */
 	/* private: */
 #if IS_ENABLED(CONFIG_DRM_LEGACY)
diff --git a/include/drm/drm_gem_atomic_helper.h b/include/drm/drm_gem_atomic_helper.h
index 6970ccb787e2..40b8b039518e 100644
--- a/include/drm/drm_gem_atomic_helper.h
+++ b/include/drm/drm_gem_atomic_helper.h
@@ -15,8 +15,6 @@ struct drm_simple_display_pipe;
  */
 
 int drm_gem_plane_helper_prepare_fb(struct drm_plane *plane, struct drm_plane_state *state);
-int drm_gem_simple_display_pipe_prepare_fb(struct drm_simple_display_pipe *pipe,
-					   struct drm_plane_state *plane_state);
 
 /*
  * Helpers for planes with shadow buffers
diff --git a/include/drm/drm_gem_ttm_helper.h b/include/drm/drm_gem_ttm_helper.h
index 4c003b4f173e..7b53d673ae7e 100644
--- a/include/drm/drm_gem_ttm_helper.h
+++ b/include/drm/drm_gem_ttm_helper.h
@@ -7,8 +7,7 @@
 
 #include <drm/drm_device.h>
 #include <drm/drm_gem.h>
-#include <drm/ttm/ttm_bo_api.h>
-#include <drm/ttm/ttm_bo_driver.h>
+#include <drm/ttm/ttm_bo.h>
 
 struct iosys_map;
 
diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h
index c083a1d71cf4..d3e8920c0b64 100644
--- a/include/drm/drm_gem_vram_helper.h
+++ b/include/drm/drm_gem_vram_helper.h
@@ -8,8 +8,8 @@
 #include <drm/drm_gem_ttm_helper.h>
 #include <drm/drm_ioctl.h>
 #include <drm/drm_modes.h>
-#include <drm/ttm/ttm_bo_api.h>
-#include <drm/ttm/ttm_bo_driver.h>
+#include <drm/ttm/ttm_bo.h>
+#include <drm/ttm/ttm_placement.h>
 
 #include <linux/container_of.h>
 #include <linux/iosys-map.h>
diff --git a/include/drm/drm_kunit_helpers.h b/include/drm/drm_kunit_helpers.h
new file mode 100644
index 000000000000..ed013fdcc1ff
--- /dev/null
+++ b/include/drm/drm_kunit_helpers.h
@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#ifndef DRM_KUNIT_HELPERS_H_
+#define DRM_KUNIT_HELPERS_H_
+
+#include <kunit/test.h>
+
+struct drm_device;
+struct kunit;
+
+struct device *drm_kunit_helper_alloc_device(struct kunit *test);
+void drm_kunit_helper_free_device(struct kunit *test, struct device *dev);
+
+struct drm_device *
+__drm_kunit_helper_alloc_drm_device_with_driver(struct kunit *test,
+						struct device *dev,
+						size_t size, size_t offset,
+						const struct drm_driver *driver);
+
+/**
+ * drm_kunit_helper_alloc_drm_device_with_driver - Allocates a mock DRM device for KUnit tests
+ * @_test: The test context object
+ * @_dev: The parent device object
+ * @_type: the type of the struct which contains struct &drm_device
+ * @_member: the name of the &drm_device within @_type.
+ * @_drv: Mocked DRM device driver features
+ *
+ * This function creates a struct &drm_device from @_dev and @_drv.
+ *
+ * @_dev should be allocated using drm_kunit_helper_alloc_device().
+ *
+ * The driver is tied to the @_test context and will get cleaned at the
+ * end of the test. The drm_device is allocated through
+ * devm_drm_dev_alloc() and will thus be freed through a device-managed
+ * resource.
+ *
+ * Returns:
+ * A pointer to the new drm_device, or an ERR_PTR() otherwise.
+ */
+#define drm_kunit_helper_alloc_drm_device_with_driver(_test, _dev, _type, _member, _drv)	\
+	((_type *)__drm_kunit_helper_alloc_drm_device_with_driver(_test, _dev,			\
+						       sizeof(_type),				\
+						       offsetof(_type, _member),		\
+						       _drv))
+
+static inline struct drm_device *
+__drm_kunit_helper_alloc_drm_device(struct kunit *test,
+				    struct device *dev,
+				    size_t size, size_t offset,
+				    u32 features)
+{
+	struct drm_driver *driver;
+
+	driver = kunit_kzalloc(test, sizeof(*driver), GFP_KERNEL);
+	KUNIT_ASSERT_NOT_NULL(test, driver);
+
+	driver->driver_features = features;
+
+	return __drm_kunit_helper_alloc_drm_device_with_driver(test, dev,
+							       size, offset,
+							       driver);
+}
+
+/**
+ * drm_kunit_helper_alloc_drm_device - Allocates a mock DRM device for KUnit tests
+ * @_test: The test context object
+ * @_dev: The parent device object
+ * @_type: the type of the struct which contains struct &drm_device
+ * @_member: the name of the &drm_device within @_type.
+ * @_features: Mocked DRM device driver features
+ *
+ * This function creates a struct &drm_driver and will create a struct
+ * &drm_device from @_dev and that driver.
+ *
+ * @_dev should be allocated using drm_kunit_helper_alloc_device().
+ *
+ * The driver is tied to the @_test context and will get cleaned at the
+ * end of the test. The drm_device is allocated through
+ * devm_drm_dev_alloc() and will thus be freed through a device-managed
+ * resource.
+ *
+ * Returns:
+ * A pointer to the new drm_device, or an ERR_PTR() otherwise.
+ */
+#define drm_kunit_helper_alloc_drm_device(_test, _dev, _type, _member, _feat)	\
+	((_type *)__drm_kunit_helper_alloc_drm_device(_test, _dev,		\
+						      sizeof(_type),		\
+						      offsetof(_type, _member),	\
+						      _feat))
+
+#endif // DRM_KUNIT_HELPERS_H_
diff --git a/include/drm/drm_mipi_dbi.h b/include/drm/drm_mipi_dbi.h
index 14eaecb1825c..816f196b3d4c 100644
--- a/include/drm/drm_mipi_dbi.h
+++ b/include/drm/drm_mipi_dbi.h
@@ -13,9 +13,10 @@
 #include <drm/drm_simple_kms_helper.h>
 
 struct drm_rect;
-struct spi_device;
 struct gpio_desc;
+struct iosys_map;
 struct regulator;
+struct spi_device;
 
 /**
  * struct mipi_dbi - MIPI DBI interface
@@ -122,11 +123,16 @@ struct mipi_dbi_dev {
 	struct backlight_device *backlight;
 
 	/**
-	 * @regulator: power regulator (optional)
+	 * @regulator: power regulator (Vdd) (optional)
 	 */
 	struct regulator *regulator;
 
 	/**
+	 * @io_regulator: I/O power regulator (Vddi) (optional)
+	 */
+	struct regulator *io_regulator;
+
+	/**
 	 * @dbi: MIPI DBI interface
 	 */
 	struct mipi_dbi dbi;
@@ -163,6 +169,15 @@ void mipi_dbi_enable_flush(struct mipi_dbi_dev *dbidev,
 			   struct drm_crtc_state *crtc_state,
 			   struct drm_plane_state *plan_state);
 void mipi_dbi_pipe_disable(struct drm_simple_display_pipe *pipe);
+int mipi_dbi_pipe_begin_fb_access(struct drm_simple_display_pipe *pipe,
+				  struct drm_plane_state *plane_state);
+void mipi_dbi_pipe_end_fb_access(struct drm_simple_display_pipe *pipe,
+				 struct drm_plane_state *plane_state);
+void mipi_dbi_pipe_reset_plane(struct drm_simple_display_pipe *pipe);
+struct drm_plane_state *mipi_dbi_pipe_duplicate_plane_state(struct drm_simple_display_pipe *pipe);
+void mipi_dbi_pipe_destroy_plane_state(struct drm_simple_display_pipe *pipe,
+				       struct drm_plane_state *plane_state);
+
 void mipi_dbi_hw_reset(struct mipi_dbi *dbi);
 bool mipi_dbi_display_is_on(struct mipi_dbi *dbi);
 int mipi_dbi_poweron_reset(struct mipi_dbi_dev *dbidev);
@@ -176,8 +191,9 @@ int mipi_dbi_command_read(struct mipi_dbi *dbi, u8 cmd, u8 *val);
 int mipi_dbi_command_buf(struct mipi_dbi *dbi, u8 cmd, u8 *data, size_t len);
 int mipi_dbi_command_stackbuf(struct mipi_dbi *dbi, u8 cmd, const u8 *data,
 			      size_t len);
-int mipi_dbi_buf_copy(void *dst, struct drm_framebuffer *fb,
+int mipi_dbi_buf_copy(void *dst, struct iosys_map *src, struct drm_framebuffer *fb,
 		      struct drm_rect *clip, bool swap);
+
 /**
  * mipi_dbi_command - MIPI DCS command with optional parameter(s)
  * @dbi: MIPI DBI structure
@@ -207,4 +223,25 @@ void mipi_dbi_debugfs_init(struct drm_minor *minor);
 static inline void mipi_dbi_debugfs_init(struct drm_minor *minor) {}
 #endif
 
+/**
+ * DRM_MIPI_DBI_SIMPLE_DISPLAY_PIPE_FUNCS - Initializes struct drm_simple_display_pipe_funcs
+ *                                          for MIPI-DBI devices
+ * @enable_: Enable-callback implementation
+ *
+ * This macro initializes struct drm_simple_display_pipe_funcs with default
+ * values for MIPI-DBI-based devices. The only callback that depends on the
+ * hardware is @enable, for which the driver has to provide an implementation.
+ * MIPI-based drivers are encouraged to use this macro for initialization.
+ */
+#define DRM_MIPI_DBI_SIMPLE_DISPLAY_PIPE_FUNCS(enable_) \
+	.mode_valid = mipi_dbi_pipe_mode_valid, \
+	.enable = (enable_), \
+	.disable = mipi_dbi_pipe_disable, \
+	.update = mipi_dbi_pipe_update, \
+	.begin_fb_access = mipi_dbi_pipe_begin_fb_access, \
+	.end_fb_access = mipi_dbi_pipe_end_fb_access, \
+	.reset_plane = mipi_dbi_pipe_reset_plane, \
+	.duplicate_plane_state = mipi_dbi_pipe_duplicate_plane_state, \
+	.destroy_plane_state = mipi_dbi_pipe_destroy_plane_state
+
 #endif /* __LINUX_MIPI_DBI_H */
diff --git a/include/drm/drm_mode_config.h b/include/drm/drm_mode_config.h
index 5362702fffe1..e5b053001d22 100644
--- a/include/drm/drm_mode_config.h
+++ b/include/drm/drm_mode_config.h
@@ -712,11 +712,21 @@ struct drm_mode_config {
 	 * between different TV connector types.
 	 */
 	struct drm_property *tv_select_subconnector_property;
+
 	/**
-	 * @tv_mode_property: Optional TV property to select
+	 * @legacy_tv_mode_property: Optional TV property to select
 	 * the output TV mode.
+	 *
+	 * Superseded by @tv_mode_property
+	 */
+	struct drm_property *legacy_tv_mode_property;
+
+	/**
+	 * @tv_mode_property: Optional TV property to select the TV
+	 * standard output on the connector.
 	 */
 	struct drm_property *tv_mode_property;
+
 	/**
 	 * @tv_left_margin_property: Optional TV property to set the left
 	 * margin (expressed in pixels).
diff --git a/include/drm/drm_modes.h b/include/drm/drm_modes.h
index b0c680e6f670..c613f0abe9dc 100644
--- a/include/drm/drm_modes.h
+++ b/include/drm/drm_modes.h
@@ -468,6 +468,23 @@ bool drm_mode_is_420_also(const struct drm_display_info *display,
 bool drm_mode_is_420(const struct drm_display_info *display,
 		     const struct drm_display_mode *mode);
 
+struct drm_display_mode *drm_analog_tv_mode(struct drm_device *dev,
+					    enum drm_connector_tv_mode mode,
+					    unsigned long pixel_clock_hz,
+					    unsigned int hdisplay,
+					    unsigned int vdisplay,
+					    bool interlace);
+
+static inline struct drm_display_mode *drm_mode_analog_ntsc_480i(struct drm_device *dev)
+{
+	return drm_analog_tv_mode(dev, DRM_MODE_TV_MODE_NTSC, 13500000, 720, 480, true);
+}
+
+static inline struct drm_display_mode *drm_mode_analog_pal_576i(struct drm_device *dev)
+{
+	return drm_analog_tv_mode(dev, DRM_MODE_TV_MODE_PAL, 13500000, 720, 576, true);
+}
+
 struct drm_display_mode *drm_cvt_mode(struct drm_device *dev,
 				      int hdisplay, int vdisplay, int vrefresh,
 				      bool reduced, bool interlaced,
diff --git a/include/drm/drm_panel.h b/include/drm/drm_panel.h
index 994bfcdd84c5..432fab2347eb 100644
--- a/include/drm/drm_panel.h
+++ b/include/drm/drm_panel.h
@@ -188,6 +188,16 @@ struct drm_panel {
 	 * Panel entry in registry.
 	 */
 	struct list_head list;
+
+	/**
+	 * @prepare_prev_first:
+	 *
+	 * The previous controller should be prepared first, before the prepare
+	 * for the panel is called. This is largely required for DSI panels
+	 * where the DSI host controller should be initialised to LP-11 before
+	 * the panel is powered up.
+	 */
+	bool prepare_prev_first;
 };
 
 void drm_panel_init(struct drm_panel *panel, struct device *dev,
diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h
index 447e664e49d5..51291983ea44 100644
--- a/include/drm/drm_plane.h
+++ b/include/drm/drm_plane.h
@@ -77,8 +77,8 @@ struct drm_plane_state {
 	 * write this field directly for a driver's implicit fence.
 	 *
 	 * Drivers should store any implicit fence in this from their
-	 * &drm_plane_helper_funcs.prepare_fb callback. See drm_gem_plane_helper_prepare_fb()
-	 * and drm_gem_simple_display_pipe_prepare_fb() for suitable helpers.
+	 * &drm_plane_helper_funcs.prepare_fb callback. See
+	 * drm_gem_plane_helper_prepare_fb() for a suitable helper.
 	 */
 	struct dma_fence *fence;
 
diff --git a/include/drm/drm_probe_helper.h b/include/drm/drm_probe_helper.h
index 5880daa14624..4977e0ab72db 100644
--- a/include/drm/drm_probe_helper.h
+++ b/include/drm/drm_probe_helper.h
@@ -35,5 +35,6 @@ int drm_connector_helper_get_modes_from_ddc(struct drm_connector *connector);
 int drm_connector_helper_get_modes_fixed(struct drm_connector *connector,
 					 const struct drm_display_mode *fixed_mode);
 int drm_connector_helper_get_modes(struct drm_connector *connector);
+int drm_connector_helper_tv_get_modes(struct drm_connector *connector);
 
 #endif
diff --git a/include/drm/drm_simple_kms_helper.h b/include/drm/drm_simple_kms_helper.h
index 2298fe3af4cd..b2486d073763 100644
--- a/include/drm/drm_simple_kms_helper.h
+++ b/include/drm/drm_simple_kms_helper.h
@@ -117,9 +117,9 @@ struct drm_simple_display_pipe_funcs {
 	 * more details.
 	 *
 	 * For GEM drivers who neither have a @prepare_fb nor @cleanup_fb hook
-	 * set drm_gem_simple_display_pipe_prepare_fb() is called automatically
+	 * set, drm_gem_plane_helper_prepare_fb() is called automatically
 	 * to implement this. Other drivers which need additional plane
-	 * processing can call drm_gem_simple_display_pipe_prepare_fb() from
+	 * processing can call drm_gem_plane_helper_prepare_fb() from
 	 * their @prepare_fb hook.
 	 */
 	int (*prepare_fb)(struct drm_simple_display_pipe *pipe,
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo.h
index 44a538ee5e2a..d87232472435 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo.h
@@ -32,28 +32,24 @@
 #define _TTM_BO_API_H_
 
 #include <drm/drm_gem.h>
-#include <drm/drm_vma_manager.h>
+
 #include <linux/kref.h>
 #include <linux/list.h>
-#include <linux/wait.h>
-#include <linux/mutex.h>
-#include <linux/mm.h>
-#include <linux/bitmap.h>
-#include <linux/dma-resv.h>
-
-#include "ttm_resource.h"
 
-struct ttm_global;
+#include "ttm_device.h"
 
-struct ttm_device;
+/* Default number of pre-faulted pages in the TTM fault handler */
+#define TTM_BO_VM_NUM_PREFAULT 16
 
 struct iosys_map;
 
-struct drm_mm_node;
-
+struct ttm_global;
+struct ttm_device;
 struct ttm_placement;
-
 struct ttm_place;
+struct ttm_resource;
+struct ttm_resource_manager;
+struct ttm_tt;
 
 /**
  * enum ttm_bo_type
@@ -68,15 +64,12 @@ struct ttm_place;
  * @ttm_bo_type_sg: Buffer made from dmabuf sg table shared with another
  * driver.
  */
-
 enum ttm_bo_type {
 	ttm_bo_type_device,
 	ttm_bo_type_kernel,
 	ttm_bo_type_sg
 };
 
-struct ttm_tt;
-
 /**
  * struct ttm_buffer_object
  *
@@ -85,18 +78,11 @@ struct ttm_tt;
  * @type: The bo type.
  * @page_alignment: Page alignment.
  * @destroy: Destruction function. If NULL, kfree is used.
- * @num_pages: Actual number of pages.
  * @kref: Reference count of this buffer object. When this refcount reaches
  * zero, the object is destroyed or put on the delayed delete list.
- * @mem: structure describing current placement.
+ * @resource: structure describing current placement.
  * @ttm: TTM structure holding system pages.
- * @evicted: Whether the object was evicted without user-space knowing.
  * @deleted: True if the object is only a zombie and already deleted.
- * @ddestroy: List head for the delayed destroy list.
- * @swap: List head for swap LRU list.
- * @offset: The current GPU offset, which can have different meanings
- * depending on the memory type. For SYSTEM type memory, it should be 0.
- * @cur_placement: Hint of current placement.
  *
  * Base class for TTM buffer object, that deals with data placement and CPU
  * mappings. GPU mappings are really up to the driver, but for simpler GPUs
@@ -109,52 +95,43 @@ struct ttm_tt;
  * The destroy member, the API visibility of this object makes it possible
  * to derive driver specific types.
  */
-
 struct ttm_buffer_object {
 	struct drm_gem_object base;
 
-	/**
+	/*
 	 * Members constant at init.
 	 */
-
 	struct ttm_device *bdev;
 	enum ttm_bo_type type;
 	uint32_t page_alignment;
 	void (*destroy) (struct ttm_buffer_object *);
 
-	/**
+	/*
 	* Members not needing protection.
 	*/
 	struct kref kref;
 
-	/**
+	/*
 	 * Members protected by the bo::resv::reserved lock.
 	 */
-
 	struct ttm_resource *resource;
 	struct ttm_tt *ttm;
 	bool deleted;
 	struct ttm_lru_bulk_move *bulk_move;
+	unsigned priority;
+	unsigned pin_count;
 
 	/**
-	 * Members protected by the bdev::lru_lock.
-	 */
-
-	struct list_head ddestroy;
-
-	/**
-	 * Members protected by a bo reservation.
+	 * @delayed_delete: Work item used when we can't delete the BO
+	 * immediately
 	 */
-
-	unsigned priority;
-	unsigned pin_count;
+	struct work_struct delayed_delete;
 
 	/**
 	 * Special members that are protected by the reserve lock
 	 * and the bo::lock when written to. Can be read with
 	 * either of these locks held.
 	 */
-
 	struct sg_table *sg;
 };
 
@@ -170,7 +147,6 @@ struct ttm_buffer_object {
  * mapping can either be an ioremap, a vmap, a kmap or part of a
  * premapped region.
  */
-
 #define TTM_BO_MAP_IOMEM_MASK 0x80
 struct ttm_bo_kmap_obj {
 	void *virtual;
@@ -238,95 +214,120 @@ ttm_bo_get_unless_zero(struct ttm_buffer_object *bo)
 }
 
 /**
- * ttm_bo_wait - wait for buffer idle.
+ * ttm_bo_reserve:
+ *
+ * @bo: A pointer to a struct ttm_buffer_object.
+ * @interruptible: Sleep interruptible if waiting.
+ * @no_wait: Don't sleep while trying to reserve, rather return -EBUSY.
+ * @ticket: ticket used to acquire the ww_mutex.
  *
- * @bo:  The buffer object.
- * @interruptible:  Use interruptible wait.
- * @no_wait:  Return immediately if buffer is busy.
+ * Locks a buffer object for validation. (Or prevents other processes from
+ * locking it for validation), while taking a number of measures to prevent
+ * deadlocks.
  *
- * This function must be called with the bo::mutex held, and makes
- * sure any previous rendering to the buffer is completed.
- * Note: It might be necessary to block validations before the
- * wait by reserving the buffer.
- * Returns -EBUSY if no_wait is true and the buffer is busy.
- * Returns -ERESTARTSYS if interrupted by a signal.
+ * Returns:
+ * -EDEADLK: The reservation may cause a deadlock.
+ * Release all buffer reservations, wait for @bo to become unreserved and
+ * try again.
+ * -ERESTARTSYS: A wait for the buffer to become unreserved was interrupted by
+ * a signal. Release all buffer reservations and return to user-space.
+ * -EBUSY: The function needed to sleep, but @no_wait was true
+ * -EALREADY: Bo already reserved using @ticket. This error code will only
+ * be returned if @use_ticket is set to true.
  */
-int ttm_bo_wait(struct ttm_buffer_object *bo, bool interruptible, bool no_wait);
-
-static inline int ttm_bo_wait_ctx(struct ttm_buffer_object *bo, struct ttm_operation_ctx *ctx)
+static inline int ttm_bo_reserve(struct ttm_buffer_object *bo,
+				 bool interruptible, bool no_wait,
+				 struct ww_acquire_ctx *ticket)
 {
-	return ttm_bo_wait(bo, ctx->interruptible, ctx->no_wait_gpu);
-}
+	int ret = 0;
 
-/**
- * ttm_bo_validate
- *
- * @bo: The buffer object.
- * @placement: Proposed placement for the buffer object.
- * @ctx: validation parameters.
- *
- * Changes placement and caching policy of the buffer object
- * according proposed placement.
- * Returns
- * -EINVAL on invalid proposed placement.
- * -ENOMEM on out-of-memory condition.
- * -EBUSY if no_wait is true and buffer busy.
- * -ERESTARTSYS if interrupted by a signal.
- */
-int ttm_bo_validate(struct ttm_buffer_object *bo,
-		    struct ttm_placement *placement,
-		    struct ttm_operation_ctx *ctx);
+	if (no_wait) {
+		bool success;
+
+		if (WARN_ON(ticket))
+			return -EBUSY;
+
+		success = dma_resv_trylock(bo->base.resv);
+		return success ? 0 : -EBUSY;
+	}
+
+	if (interruptible)
+		ret = dma_resv_lock_interruptible(bo->base.resv, ticket);
+	else
+		ret = dma_resv_lock(bo->base.resv, ticket);
+	if (ret == -EINTR)
+		return -ERESTARTSYS;
+	return ret;
+}
 
 /**
- * ttm_bo_put
- *
- * @bo: The buffer object.
- *
- * Unreference a buffer object.
+ * ttm_bo_reserve_slowpath:
+ * @bo: A pointer to a struct ttm_buffer_object.
+ * @interruptible: Sleep interruptible if waiting.
+ * @sequence: Set (@bo)->sequence to this value after lock
+ *
+ * This is called after ttm_bo_reserve returns -EAGAIN and we backed off
+ * from all our other reservations. Because there are no other reservations
+ * held by us, this function cannot deadlock any more.
  */
-void ttm_bo_put(struct ttm_buffer_object *bo);
+static inline int ttm_bo_reserve_slowpath(struct ttm_buffer_object *bo,
+					  bool interruptible,
+					  struct ww_acquire_ctx *ticket)
+{
+	if (interruptible) {
+		int ret = dma_resv_lock_slow_interruptible(bo->base.resv,
+							   ticket);
+		if (ret == -EINTR)
+			ret = -ERESTARTSYS;
+		return ret;
+	}
+	dma_resv_lock_slow(bo->base.resv, ticket);
+	return 0;
+}
 
 void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo);
-void ttm_bo_set_bulk_move(struct ttm_buffer_object *bo,
-			  struct ttm_lru_bulk_move *bulk);
 
-/**
- * ttm_bo_lock_delayed_workqueue
- *
- * Prevent the delayed workqueue from running.
- * Returns
- * True if the workqueue was queued at the time
- */
-int ttm_bo_lock_delayed_workqueue(struct ttm_device *bdev);
+static inline void
+ttm_bo_move_to_lru_tail_unlocked(struct ttm_buffer_object *bo)
+{
+	spin_lock(&bo->bdev->lru_lock);
+	ttm_bo_move_to_lru_tail(bo);
+	spin_unlock(&bo->bdev->lru_lock);
+}
+
+static inline void ttm_bo_assign_mem(struct ttm_buffer_object *bo,
+				     struct ttm_resource *new_mem)
+{
+	WARN_ON(bo->resource);
+	bo->resource = new_mem;
+}
 
 /**
- * ttm_bo_unlock_delayed_workqueue
+ * ttm_bo_move_null = assign memory for a buffer object.
+ * @bo: The bo to assign the memory to
+ * @new_mem: The memory to be assigned.
  *
- * Allows the delayed workqueue to run.
+ * Assign the memory from new_mem to the memory of the buffer object bo.
  */
-void ttm_bo_unlock_delayed_workqueue(struct ttm_device *bdev, int resched);
+static inline void ttm_bo_move_null(struct ttm_buffer_object *bo,
+				    struct ttm_resource *new_mem)
+{
+	ttm_resource_free(bo, &bo->resource);
+	ttm_bo_assign_mem(bo, new_mem);
+}
 
 /**
- * ttm_bo_eviction_valuable
+ * ttm_bo_unreserve
  *
- * @bo: The buffer object to evict
- * @place: the placement we need to make room for
+ * @bo: A pointer to a struct ttm_buffer_object.
  *
- * Check if it is valuable to evict the BO to make room for the given placement.
+ * Unreserve a previous reservation of @bo.
  */
-bool ttm_bo_eviction_valuable(struct ttm_buffer_object *bo,
-			      const struct ttm_place *place);
-
-int ttm_bo_init_reserved(struct ttm_device *bdev, struct ttm_buffer_object *bo,
-			 enum ttm_bo_type type, struct ttm_placement *placement,
-			 uint32_t alignment, struct ttm_operation_ctx *ctx,
-			 struct sg_table *sg, struct dma_resv *resv,
-			 void (*destroy) (struct ttm_buffer_object *));
-int ttm_bo_init_validate(struct ttm_device *bdev, struct ttm_buffer_object *bo,
-			 enum ttm_bo_type type, struct ttm_placement *placement,
-			 uint32_t alignment, bool interruptible,
-			 struct sg_table *sg, struct dma_resv *resv,
-			 void (*destroy) (struct ttm_buffer_object *));
+static inline void ttm_bo_unreserve(struct ttm_buffer_object *bo)
+{
+	ttm_bo_move_to_lru_tail_unlocked(bo);
+	dma_resv_unlock(bo->base.resv);
+}
 
 /**
  * ttm_kmap_obj_virtual
@@ -346,126 +347,84 @@ static inline void *ttm_kmap_obj_virtual(struct ttm_bo_kmap_obj *map,
 	return map->virtual;
 }
 
-/**
- * ttm_bo_kmap
- *
- * @bo: The buffer object.
- * @start_page: The first page to map.
- * @num_pages: Number of pages to map.
- * @map: pointer to a struct ttm_bo_kmap_obj representing the map.
- *
- * Sets up a kernel virtual mapping, using ioremap, vmap or kmap to the
- * data in the buffer object. The ttm_kmap_obj_virtual function can then be
- * used to obtain a virtual address to the data.
- *
- * Returns
- * -ENOMEM: Out of memory.
- * -EINVAL: Invalid range.
- */
+int ttm_bo_wait(struct ttm_buffer_object *bo, bool interruptible, bool no_wait);
+int ttm_bo_wait_ctx(struct ttm_buffer_object *bo,
+		    struct ttm_operation_ctx *ctx);
+int ttm_bo_validate(struct ttm_buffer_object *bo,
+		    struct ttm_placement *placement,
+		    struct ttm_operation_ctx *ctx);
+void ttm_bo_put(struct ttm_buffer_object *bo);
+void ttm_bo_set_bulk_move(struct ttm_buffer_object *bo,
+			  struct ttm_lru_bulk_move *bulk);
+int ttm_bo_lock_delayed_workqueue(struct ttm_device *bdev);
+void ttm_bo_unlock_delayed_workqueue(struct ttm_device *bdev, int resched);
+bool ttm_bo_eviction_valuable(struct ttm_buffer_object *bo,
+			      const struct ttm_place *place);
+int ttm_bo_init_reserved(struct ttm_device *bdev, struct ttm_buffer_object *bo,
+			 enum ttm_bo_type type, struct ttm_placement *placement,
+			 uint32_t alignment, struct ttm_operation_ctx *ctx,
+			 struct sg_table *sg, struct dma_resv *resv,
+			 void (*destroy)(struct ttm_buffer_object *));
+int ttm_bo_init_validate(struct ttm_device *bdev, struct ttm_buffer_object *bo,
+			 enum ttm_bo_type type, struct ttm_placement *placement,
+			 uint32_t alignment, bool interruptible,
+			 struct sg_table *sg, struct dma_resv *resv,
+			 void (*destroy)(struct ttm_buffer_object *));
 int ttm_bo_kmap(struct ttm_buffer_object *bo, unsigned long start_page,
 		unsigned long num_pages, struct ttm_bo_kmap_obj *map);
-
-/**
- * ttm_bo_kunmap
- *
- * @map: Object describing the map to unmap.
- *
- * Unmaps a kernel map set up by ttm_bo_kmap.
- */
 void ttm_bo_kunmap(struct ttm_bo_kmap_obj *map);
-
-/**
- * ttm_bo_vmap
- *
- * @bo: The buffer object.
- * @map: pointer to a struct iosys_map representing the map.
- *
- * Sets up a kernel virtual mapping, using ioremap or vmap to the
- * data in the buffer object. The parameter @map returns the virtual
- * address as struct iosys_map. Unmap the buffer with ttm_bo_vunmap().
- *
- * Returns
- * -ENOMEM: Out of memory.
- * -EINVAL: Invalid range.
- */
 int ttm_bo_vmap(struct ttm_buffer_object *bo, struct iosys_map *map);
-
-/**
- * ttm_bo_vunmap
- *
- * @bo: The buffer object.
- * @map: Object describing the map to unmap.
- *
- * Unmaps a kernel map set up by ttm_bo_vmap().
- */
 void ttm_bo_vunmap(struct ttm_buffer_object *bo, struct iosys_map *map);
-
-/**
- * ttm_bo_mmap_obj - mmap memory backed by a ttm buffer object.
- *
- * @vma:       vma as input from the fbdev mmap method.
- * @bo:        The bo backing the address space.
- *
- * Maps a buffer object.
- */
 int ttm_bo_mmap_obj(struct vm_area_struct *vma, struct ttm_buffer_object *bo);
-
-/**
- * ttm_bo_io
- *
- * @bdev:      Pointer to the struct ttm_device.
- * @filp:      Pointer to the struct file attempting to read / write.
- * @wbuf:      User-space pointer to address of buffer to write. NULL on read.
- * @rbuf:      User-space pointer to address of buffer to read into.
- * Null on write.
- * @count:     Number of bytes to read / write.
- * @f_pos:     Pointer to current file position.
- * @write:     1 for read, 0 for write.
- *
- * This function implements read / write into ttm buffer objects, and is
- * intended to
- * be called from the fops::read and fops::write method.
- * Returns:
- * See man (2) write, man(2) read. In particular,
- * the function may return -ERESTARTSYS if
- * interrupted by a signal.
- */
-ssize_t ttm_bo_io(struct ttm_device *bdev, struct file *filp,
-		  const char __user *wbuf, char __user *rbuf,
-		  size_t count, loff_t *f_pos, bool write);
-
 int ttm_bo_swapout(struct ttm_buffer_object *bo, struct ttm_operation_ctx *ctx,
 		   gfp_t gfp_flags);
-
 void ttm_bo_pin(struct ttm_buffer_object *bo);
 void ttm_bo_unpin(struct ttm_buffer_object *bo);
-
 int ttm_mem_evict_first(struct ttm_device *bdev,
 			struct ttm_resource_manager *man,
 			const struct ttm_place *place,
 			struct ttm_operation_ctx *ctx,
 			struct ww_acquire_ctx *ticket);
-
-/* Default number of pre-faulted pages in the TTM fault handler */
-#define TTM_BO_VM_NUM_PREFAULT 16
-
 vm_fault_t ttm_bo_vm_reserve(struct ttm_buffer_object *bo,
 			     struct vm_fault *vmf);
-
 vm_fault_t ttm_bo_vm_fault_reserved(struct vm_fault *vmf,
 				    pgprot_t prot,
 				    pgoff_t num_prefault);
-
 vm_fault_t ttm_bo_vm_fault(struct vm_fault *vmf);
-
 void ttm_bo_vm_open(struct vm_area_struct *vma);
-
 void ttm_bo_vm_close(struct vm_area_struct *vma);
-
 int ttm_bo_vm_access(struct vm_area_struct *vma, unsigned long addr,
 		     void *buf, int len, int write);
-bool ttm_bo_delayed_delete(struct ttm_device *bdev, bool remove_all);
-
 vm_fault_t ttm_bo_vm_dummy_page(struct vm_fault *vmf, pgprot_t prot);
 
+int ttm_bo_mem_space(struct ttm_buffer_object *bo,
+		     struct ttm_placement *placement,
+		     struct ttm_resource **mem,
+		     struct ttm_operation_ctx *ctx);
+
+void ttm_bo_unmap_virtual(struct ttm_buffer_object *bo);
+/*
+ * ttm_bo_util.c
+ */
+int ttm_mem_io_reserve(struct ttm_device *bdev,
+		       struct ttm_resource *mem);
+void ttm_mem_io_free(struct ttm_device *bdev,
+		     struct ttm_resource *mem);
+void ttm_move_memcpy(bool clear, u32 num_pages,
+		     struct ttm_kmap_iter *dst_iter,
+		     struct ttm_kmap_iter *src_iter);
+int ttm_bo_move_memcpy(struct ttm_buffer_object *bo,
+		       struct ttm_operation_ctx *ctx,
+		       struct ttm_resource *new_mem);
+int ttm_bo_move_accel_cleanup(struct ttm_buffer_object *bo,
+			      struct dma_fence *fence, bool evict,
+			      bool pipeline,
+			      struct ttm_resource *new_mem);
+void ttm_bo_move_sync_cleanup(struct ttm_buffer_object *bo,
+			      struct ttm_resource *new_mem);
+int ttm_bo_pipeline_gutting(struct ttm_buffer_object *bo);
+pgprot_t ttm_io_prot(struct ttm_buffer_object *bo, struct ttm_resource *res,
+		     pgprot_t tmp);
+void ttm_bo_tt_destroy(struct ttm_buffer_object *bo);
+
 #endif
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
deleted file mode 100644
index 1afa891f488a..000000000000
--- a/include/drm/ttm/ttm_bo_driver.h
+++ /dev/null
@@ -1,303 +0,0 @@
-/**************************************************************************
- *
- * Copyright (c) 2006-2009 Vmware, Inc., Palo Alto, CA., USA
- * 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 COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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.
- *
- **************************************************************************/
-/*
- * Authors: Thomas Hellstrom <thellstrom-at-vmware-dot-com>
- */
-#ifndef _TTM_BO_DRIVER_H_
-#define _TTM_BO_DRIVER_H_
-
-#include <drm/drm_mm.h>
-#include <drm/drm_vma_manager.h>
-#include <linux/workqueue.h>
-#include <linux/fs.h>
-#include <linux/spinlock.h>
-#include <linux/dma-resv.h>
-
-#include <drm/ttm/ttm_device.h>
-
-#include "ttm_bo_api.h"
-#include "ttm_kmap_iter.h"
-#include "ttm_placement.h"
-#include "ttm_tt.h"
-#include "ttm_pool.h"
-
-/*
- * ttm_bo.c
- */
-
-/**
- * ttm_bo_mem_space
- *
- * @bo: Pointer to a struct ttm_buffer_object. the data of which
- * we want to allocate space for.
- * @proposed_placement: Proposed new placement for the buffer object.
- * @mem: A struct ttm_resource.
- * @interruptible: Sleep interruptible when sliping.
- * @no_wait_gpu: Return immediately if the GPU is busy.
- *
- * Allocate memory space for the buffer object pointed to by @bo, using
- * the placement flags in @mem, potentially evicting other idle buffer objects.
- * This function may sleep while waiting for space to become available.
- * Returns:
- * -EBUSY: No space available (only if no_wait == 1).
- * -ENOMEM: Could not allocate memory for the buffer object, either due to
- * fragmentation or concurrent allocators.
- * -ERESTARTSYS: An interruptible sleep was interrupted by a signal.
- */
-int ttm_bo_mem_space(struct ttm_buffer_object *bo,
-		     struct ttm_placement *placement,
-		     struct ttm_resource **mem,
-		     struct ttm_operation_ctx *ctx);
-
-/**
- * ttm_bo_unmap_virtual
- *
- * @bo: tear down the virtual mappings for this BO
- */
-void ttm_bo_unmap_virtual(struct ttm_buffer_object *bo);
-
-/**
- * ttm_bo_reserve:
- *
- * @bo: A pointer to a struct ttm_buffer_object.
- * @interruptible: Sleep interruptible if waiting.
- * @no_wait: Don't sleep while trying to reserve, rather return -EBUSY.
- * @ticket: ticket used to acquire the ww_mutex.
- *
- * Locks a buffer object for validation. (Or prevents other processes from
- * locking it for validation), while taking a number of measures to prevent
- * deadlocks.
- *
- * Returns:
- * -EDEADLK: The reservation may cause a deadlock.
- * Release all buffer reservations, wait for @bo to become unreserved and
- * try again.
- * -ERESTARTSYS: A wait for the buffer to become unreserved was interrupted by
- * a signal. Release all buffer reservations and return to user-space.
- * -EBUSY: The function needed to sleep, but @no_wait was true
- * -EALREADY: Bo already reserved using @ticket. This error code will only
- * be returned if @use_ticket is set to true.
- */
-static inline int ttm_bo_reserve(struct ttm_buffer_object *bo,
-				 bool interruptible, bool no_wait,
-				 struct ww_acquire_ctx *ticket)
-{
-	int ret;
-
-	if (no_wait) {
-		bool success;
-		if (WARN_ON(ticket))
-			return -EBUSY;
-
-		success = dma_resv_trylock(bo->base.resv);
-		return success ? 0 : -EBUSY;
-	}
-
-	if (interruptible)
-		ret = dma_resv_lock_interruptible(bo->base.resv, ticket);
-	else
-		ret = dma_resv_lock(bo->base.resv, ticket);
-	if (ret == -EINTR)
-		return -ERESTARTSYS;
-	return ret;
-}
-
-/**
- * ttm_bo_reserve_slowpath:
- * @bo: A pointer to a struct ttm_buffer_object.
- * @interruptible: Sleep interruptible if waiting.
- * @sequence: Set (@bo)->sequence to this value after lock
- *
- * This is called after ttm_bo_reserve returns -EAGAIN and we backed off
- * from all our other reservations. Because there are no other reservations
- * held by us, this function cannot deadlock any more.
- */
-static inline int ttm_bo_reserve_slowpath(struct ttm_buffer_object *bo,
-					  bool interruptible,
-					  struct ww_acquire_ctx *ticket)
-{
-	if (interruptible) {
-		int ret = dma_resv_lock_slow_interruptible(bo->base.resv,
-							   ticket);
-		if (ret == -EINTR)
-			ret = -ERESTARTSYS;
-		return ret;
-	}
-	dma_resv_lock_slow(bo->base.resv, ticket);
-	return 0;
-}
-
-static inline void
-ttm_bo_move_to_lru_tail_unlocked(struct ttm_buffer_object *bo)
-{
-	spin_lock(&bo->bdev->lru_lock);
-	ttm_bo_move_to_lru_tail(bo);
-	spin_unlock(&bo->bdev->lru_lock);
-}
-
-static inline void ttm_bo_assign_mem(struct ttm_buffer_object *bo,
-				     struct ttm_resource *new_mem)
-{
-	WARN_ON(bo->resource);
-	bo->resource = new_mem;
-}
-
-/**
- * ttm_bo_move_null = assign memory for a buffer object.
- * @bo: The bo to assign the memory to
- * @new_mem: The memory to be assigned.
- *
- * Assign the memory from new_mem to the memory of the buffer object bo.
- */
-static inline void ttm_bo_move_null(struct ttm_buffer_object *bo,
-				    struct ttm_resource *new_mem)
-{
-	ttm_resource_free(bo, &bo->resource);
-	ttm_bo_assign_mem(bo, new_mem);
-}
-
-/**
- * ttm_bo_unreserve
- *
- * @bo: A pointer to a struct ttm_buffer_object.
- *
- * Unreserve a previous reservation of @bo.
- */
-static inline void ttm_bo_unreserve(struct ttm_buffer_object *bo)
-{
-	ttm_bo_move_to_lru_tail_unlocked(bo);
-	dma_resv_unlock(bo->base.resv);
-}
-
-/*
- * ttm_bo_util.c
- */
-int ttm_mem_io_reserve(struct ttm_device *bdev,
-		       struct ttm_resource *mem);
-void ttm_mem_io_free(struct ttm_device *bdev,
-		     struct ttm_resource *mem);
-
-/**
- * ttm_bo_move_memcpy
- *
- * @bo: A pointer to a struct ttm_buffer_object.
- * @interruptible: Sleep interruptible if waiting.
- * @no_wait_gpu: Return immediately if the GPU is busy.
- * @new_mem: struct ttm_resource indicating where to move.
- *
- * Fallback move function for a mappable buffer object in mappable memory.
- * The function will, if successful,
- * free any old aperture space, and set (@new_mem)->mm_node to NULL,
- * and update the (@bo)->mem placement flags. If unsuccessful, the old
- * data remains untouched, and it's up to the caller to free the
- * memory space indicated by @new_mem.
- * Returns:
- * !0: Failure.
- */
-
-int ttm_bo_move_memcpy(struct ttm_buffer_object *bo,
-		       struct ttm_operation_ctx *ctx,
-		       struct ttm_resource *new_mem);
-
-/**
- * ttm_bo_move_accel_cleanup.
- *
- * @bo: A pointer to a struct ttm_buffer_object.
- * @fence: A fence object that signals when moving is complete.
- * @evict: This is an evict move. Don't return until the buffer is idle.
- * @pipeline: evictions are to be pipelined.
- * @new_mem: struct ttm_resource indicating where to move.
- *
- * Accelerated move function to be called when an accelerated move
- * has been scheduled. The function will create a new temporary buffer object
- * representing the old placement, and put the sync object on both buffer
- * objects. After that the newly created buffer object is unref'd to be
- * destroyed when the move is complete. This will help pipeline
- * buffer moves.
- */
-int ttm_bo_move_accel_cleanup(struct ttm_buffer_object *bo,
-			      struct dma_fence *fence, bool evict,
-			      bool pipeline,
-			      struct ttm_resource *new_mem);
-
-/**
- * ttm_bo_move_sync_cleanup.
- *
- * @bo: A pointer to a struct ttm_buffer_object.
- * @new_mem: struct ttm_resource indicating where to move.
- *
- * Special case of ttm_bo_move_accel_cleanup where the bo is guaranteed
- * by the caller to be idle. Typically used after memcpy buffer moves.
- */
-void ttm_bo_move_sync_cleanup(struct ttm_buffer_object *bo,
-			      struct ttm_resource *new_mem);
-
-/**
- * ttm_bo_pipeline_gutting.
- *
- * @bo: A pointer to a struct ttm_buffer_object.
- *
- * Pipelined gutting a BO of its backing store.
- */
-int ttm_bo_pipeline_gutting(struct ttm_buffer_object *bo);
-
-/**
- * ttm_io_prot
- *
- * bo: ttm buffer object
- * res: ttm resource object
- * @tmp: Page protection flag for a normal, cached mapping.
- *
- * Utility function that returns the pgprot_t that should be used for
- * setting up a PTE with the caching model indicated by @c_state.
- */
-pgprot_t ttm_io_prot(struct ttm_buffer_object *bo, struct ttm_resource *res,
-		     pgprot_t tmp);
-
-/**
- * ttm_bo_tt_bind
- *
- * Bind the object tt to a memory resource.
- */
-int ttm_bo_tt_bind(struct ttm_buffer_object *bo, struct ttm_resource *mem);
-
-/**
- * ttm_bo_tt_destroy.
- */
-void ttm_bo_tt_destroy(struct ttm_buffer_object *bo);
-
-void ttm_move_memcpy(bool clear,
-		     u32 num_pages,
-		     struct ttm_kmap_iter *dst_iter,
-		     struct ttm_kmap_iter *src_iter);
-
-struct ttm_kmap_iter *
-ttm_kmap_iter_iomap_init(struct ttm_kmap_iter_iomap *iter_io,
-			 struct io_mapping *iomap,
-			 struct sg_table *st,
-			 resource_size_t start);
-#endif
diff --git a/include/drm/ttm/ttm_device.h b/include/drm/ttm/ttm_device.h
index 95b3c04b1ab9..4f3e81eac6f3 100644
--- a/include/drm/ttm/ttm_device.h
+++ b/include/drm/ttm/ttm_device.h
@@ -252,11 +252,6 @@ struct ttm_device {
 	spinlock_t lru_lock;
 
 	/**
-	 * @ddestroy: Destroyed but not yet cleaned up buffer objects.
-	 */
-	struct list_head ddestroy;
-
-	/**
 	 * @pinned: Buffer objects which are pinned and so not on any LRU list.
 	 */
 	struct list_head pinned;
@@ -270,7 +265,7 @@ struct ttm_device {
 	/**
 	 * @wq: Work queue structure for the delayed delete workqueue.
 	 */
-	struct delayed_work wq;
+	struct workqueue_struct *wq;
 };
 
 int ttm_global_swapout(struct ttm_operation_ctx *ctx, gfp_t gfp_flags);
diff --git a/include/drm/ttm/ttm_execbuf_util.h b/include/drm/ttm/ttm_execbuf_util.h
index a99d7fdf2964..03aca29d3ce4 100644
--- a/include/drm/ttm/ttm_execbuf_util.h
+++ b/include/drm/ttm/ttm_execbuf_util.h
@@ -33,7 +33,9 @@
 
 #include <linux/list.h>
 
-#include "ttm_bo_api.h"
+struct ww_acquire_ctx;
+struct dma_fence;
+struct ttm_buffer_object;
 
 /**
  * struct ttm_validate_buffer