Merge drm/drm-next into drm-xe-next

Backmerging to bring in 7.00-rc3. Important ahead GPU SVM merging THP
support.

Signed-off-by: Matthew Brost <matthew.brost@intel.com>

23 files changed, 490 insertions, 557 deletions

diff --git a/include/drm/bridge/dw_dp.h b/include/drm/bridge/dw_dp.h
index d05df49fd884..25363541e69d 100644
--- a/include/drm/bridge/dw_dp.h
+++ b/include/drm/bridge/dw_dp.h
@@ -11,8 +11,15 @@
 struct drm_encoder;
 struct dw_dp;
 
+enum {
+	DW_DP_MP_SINGLE_PIXEL,
+	DW_DP_MP_DUAL_PIXEL,
+	DW_DP_MP_QUAD_PIXEL,
+};
+
 struct dw_dp_plat_data {
 	u32 max_link_rate;
+	u8 pixel_mode;
 };
 
 struct dw_dp *dw_dp_bind(struct device *dev, struct drm_encoder *encoder,
diff --git a/include/drm/bridge/dw_hdmi_qp.h b/include/drm/bridge/dw_hdmi_qp.h
index 3f461f6b9bbf..3af12f82da2c 100644
--- a/include/drm/bridge/dw_hdmi_qp.h
+++ b/include/drm/bridge/dw_hdmi_qp.h
@@ -34,5 +34,6 @@ struct dw_hdmi_qp_plat_data {
 struct dw_hdmi_qp *dw_hdmi_qp_bind(struct platform_device *pdev,
 				   struct drm_encoder *encoder,
 				   const struct dw_hdmi_qp_plat_data *plat_data);
+void dw_hdmi_qp_suspend(struct device *dev, struct dw_hdmi_qp *hdmi);
 void dw_hdmi_qp_resume(struct device *dev, struct dw_hdmi_qp *hdmi);
 #endif /* __DW_HDMI_QP__ */
diff --git a/include/drm/bridge/inno_hdmi.h b/include/drm/bridge/inno_hdmi.h
new file mode 100644
index 000000000000..5bbcaeea94e2
--- /dev/null
+++ b/include/drm/bridge/inno_hdmi.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (c) 2025 Rockchip Electronics Co., Ltd.
+ */
+
+#ifndef __INNO_HDMI__
+#define __INNO_HDMI__
+
+#include <linux/types.h>
+
+struct device;
+struct drm_encoder;
+struct drm_display_mode;
+struct inno_hdmi;
+
+struct inno_hdmi_plat_ops {
+	void (*enable)(struct device *pdev, struct drm_display_mode *mode);
+};
+
+struct inno_hdmi_phy_config {
+	unsigned long pixelclock;
+	u8 pre_emphasis;
+	u8 voltage_level_control;
+};
+
+struct inno_hdmi_plat_data {
+	const struct inno_hdmi_plat_ops *ops;
+	struct inno_hdmi_phy_config *phy_configs;
+	struct inno_hdmi_phy_config *default_phy_config;
+};
+
+struct inno_hdmi *inno_hdmi_bind(struct device *pdev,
+				 struct drm_encoder *encoder,
+				 const struct inno_hdmi_plat_data *plat_data);
+#endif /* __INNO_HDMI__ */
diff --git a/include/drm/bridge/samsung-dsim.h b/include/drm/bridge/samsung-dsim.h
index 31d7ed589233..03005e474704 100644
--- a/include/drm/bridge/samsung-dsim.h
+++ b/include/drm/bridge/samsung-dsim.h
@@ -100,7 +100,6 @@ struct samsung_dsim_plat_data {
 struct samsung_dsim {
 	struct mipi_dsi_host dsi_host;
 	struct drm_bridge bridge;
-	struct drm_bridge *out_bridge;
 	struct device *dev;
 	struct drm_display_mode mode;
 
diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
index e4eebabab975..8b15d3eeb716 100644
--- a/include/drm/display/drm_dp.h
+++ b/include/drm/display/drm_dp.h
@@ -571,6 +571,8 @@
 # define DP_PANEL_REPLAY_LINK_OFF_SUPPORTED_IN_PR_AFTER_ADAPTIVE_SYNC_SDP	(1 << 7)
 
 #define DP_PANEL_REPLAY_CAP_X_GRANULARITY		0xb2
+# define DP_PANEL_REPLAY_FULL_LINE_GRANULARITY		0xffff
+
 #define DP_PANEL_REPLAY_CAP_Y_GRANULARITY		0xb4
 
 /* Link Configuration */
diff --git a/include/drm/display/drm_dp_helper.h b/include/drm/display/drm_dp_helper.h
index 85e868238e28..1d0acd58f486 100644
--- a/include/drm/display/drm_dp_helper.h
+++ b/include/drm/display/drm_dp_helper.h
@@ -555,6 +555,22 @@ ssize_t drm_dp_dpcd_write(struct drm_dp_aux *aux, unsigned int offset,
 			  void *buffer, size_t size);
 
 /**
+ * drm_dp_dpcd_readb() - read a single byte from the DPCD
+ * @aux: DisplayPort AUX channel
+ * @offset: address of the register to read
+ * @valuep: location where the value of the register will be stored
+ *
+ * Returns the number of bytes transferred (1) on success, or a negative
+ * error code on failure. In most of the cases you should be using
+ * drm_dp_dpcd_read_byte() instead.
+ */
+static inline ssize_t drm_dp_dpcd_readb(struct drm_dp_aux *aux,
+					unsigned int offset, u8 *valuep)
+{
+	return drm_dp_dpcd_read(aux, offset, valuep, 1);
+}
+
+/**
  * drm_dp_dpcd_read_data() - read a series of bytes from the DPCD
  * @aux: DisplayPort AUX channel (SST or MST)
  * @offset: address of the (first) register to read
@@ -573,12 +589,29 @@ static inline int drm_dp_dpcd_read_data(struct drm_dp_aux *aux,
 					void *buffer, size_t size)
 {
 	int ret;
+	size_t i;
+	u8 *buf = buffer;
 
 	ret = drm_dp_dpcd_read(aux, offset, buffer, size);
-	if (ret < 0)
-		return ret;
-	if (ret < size)
-		return -EPROTO;
+	if (ret >= 0) {
+		if (ret < size)
+			return -EPROTO;
+		return 0;
+	}
+
+	/*
+	 * Workaround for USB-C hubs/adapters with buggy firmware that fail
+	 * multi-byte AUX reads but work with single-byte reads.
+	 * Known affected devices:
+	 * - Lenovo USB-C to VGA adapter (VIA VL817, idVendor=17ef, idProduct=7217)
+	 * - Dell DA310 USB-C hub (idVendor=413c, idProduct=c010)
+	 * Attempt byte-by-byte reading as a fallback.
+	 */
+	for (i = 0; i < size; i++) {
+		ret = drm_dp_dpcd_readb(aux, offset + i, &buf[i]);
+		if (ret < 0)
+			return ret;
+	}
 
 	return 0;
 }
@@ -613,22 +646,6 @@ static inline int drm_dp_dpcd_write_data(struct drm_dp_aux *aux,
 }
 
 /**
- * drm_dp_dpcd_readb() - read a single byte from the DPCD
- * @aux: DisplayPort AUX channel
- * @offset: address of the register to read
- * @valuep: location where the value of the register will be stored
- *
- * Returns the number of bytes transferred (1) on success, or a negative
- * error code on failure. In most of the cases you should be using
- * drm_dp_dpcd_read_byte() instead.
- */
-static inline ssize_t drm_dp_dpcd_readb(struct drm_dp_aux *aux,
-					unsigned int offset, u8 *valuep)
-{
-	return drm_dp_dpcd_read(aux, offset, valuep, 1);
-}
-
-/**
  * drm_dp_dpcd_writeb() - write a single byte to the DPCD
  * @aux: DisplayPort AUX channel
  * @offset: address of the register to write
diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h
index 74ce26fa8838..0b1b32bcd2bd 100644
--- a/include/drm/drm_atomic.h
+++ b/include/drm/drm_atomic.h
@@ -30,7 +30,6 @@
 
 #include <drm/drm_crtc.h>
 #include <drm/drm_util.h>
-#include <drm/drm_colorop.h>
 
 /**
  * struct drm_crtc_commit - track modeset commits on a CRTC
@@ -263,6 +262,19 @@ struct drm_private_state;
  */
 struct drm_private_state_funcs {
 	/**
+	 * @atomic_create_state:
+	 *
+	 * Allocates a pristine, initialized, state for the private
+	 * object and returns it.
+	 *
+	 * RETURNS:
+	 *
+	 * A new, pristine, private state instance or an error pointer
+	 * on failure.
+	 */
+	struct drm_private_state *(*atomic_create_state)(struct drm_private_obj *obj);
+
+	/**
 	 * @atomic_duplicate_state:
 	 *
 	 * Duplicate the current state of the private object and return it. It
@@ -712,14 +724,22 @@ drm_atomic_get_plane_state(struct drm_atomic_state *state,
 struct drm_colorop_state *
 drm_atomic_get_colorop_state(struct drm_atomic_state *state,
 			     struct drm_colorop *colorop);
+
+struct drm_colorop_state *
+drm_atomic_get_old_colorop_state(struct drm_atomic_state *state,
+				 struct drm_colorop *colorop);
+struct drm_colorop_state *
+drm_atomic_get_new_colorop_state(struct drm_atomic_state *state,
+				 struct drm_colorop *colorop);
+
 struct drm_connector_state * __must_check
 drm_atomic_get_connector_state(struct drm_atomic_state *state,
 			       struct drm_connector *connector);
 
-void drm_atomic_private_obj_init(struct drm_device *dev,
-				 struct drm_private_obj *obj,
-				 struct drm_private_state *state,
-				 const struct drm_private_state_funcs *funcs);
+int drm_atomic_private_obj_init(struct drm_device *dev,
+				struct drm_private_obj *obj,
+				struct drm_private_state *state,
+				const struct drm_private_state_funcs *funcs);
 void drm_atomic_private_obj_fini(struct drm_private_obj *obj);
 
 struct drm_private_state * __must_check
@@ -809,36 +829,6 @@ drm_atomic_get_new_plane_state(const struct drm_atomic_state *state,
 }
 
 /**
- * drm_atomic_get_old_colorop_state - get colorop state, if it exists
- * @state: global atomic state object
- * @colorop: colorop to grab
- *
- * This function returns the old colorop state for the given colorop, or
- * NULL if the colorop is not part of the global atomic state.
- */
-static inline struct drm_colorop_state *
-drm_atomic_get_old_colorop_state(struct drm_atomic_state *state,
-				 struct drm_colorop *colorop)
-{
-	return state->colorops[drm_colorop_index(colorop)].old_state;
-}
-
-/**
- * drm_atomic_get_new_colorop_state - get colorop state, if it exists
- * @state: global atomic state object
- * @colorop: colorop to grab
- *
- * This function returns the new colorop state for the given colorop, or
- * NULL if the colorop is not part of the global atomic state.
- */
-static inline struct drm_colorop_state *
-drm_atomic_get_new_colorop_state(struct drm_atomic_state *state,
-				 struct drm_colorop *colorop)
-{
-	return state->colorops[drm_colorop_index(colorop)].new_state;
-}
-
-/**
  * drm_atomic_get_old_connector_state - get connector state, if it exists
  * @state: global atomic state object
  * @connector: connector to grab
diff --git a/include/drm/drm_atomic_helper.h b/include/drm/drm_atomic_helper.h
index 53382fe93537..e154ee4f0696 100644
--- a/include/drm/drm_atomic_helper.h
+++ b/include/drm/drm_atomic_helper.h
@@ -60,6 +60,12 @@ int drm_atomic_helper_check_plane_state(struct drm_plane_state *plane_state,
 int drm_atomic_helper_check_planes(struct drm_device *dev,
 			       struct drm_atomic_state *state);
 int drm_atomic_helper_check_crtc_primary_plane(struct drm_crtc_state *crtc_state);
+void drm_atomic_helper_commit_encoder_bridge_disable(struct drm_device *dev,
+						     struct drm_atomic_state *state);
+void drm_atomic_helper_commit_crtc_disable(struct drm_device *dev,
+					   struct drm_atomic_state *state);
+void drm_atomic_helper_commit_encoder_bridge_post_disable(struct drm_device *dev,
+							  struct drm_atomic_state *state);
 int drm_atomic_helper_check(struct drm_device *dev,
 			    struct drm_atomic_state *state);
 void drm_atomic_helper_commit_tail(struct drm_atomic_state *state);
@@ -89,8 +95,24 @@ drm_atomic_helper_update_legacy_modeset_state(struct drm_device *dev,
 void
 drm_atomic_helper_calc_timestamping_constants(struct drm_atomic_state *state);
 
+void drm_atomic_helper_commit_crtc_set_mode(struct drm_device *dev,
+					    struct drm_atomic_state *state);
+
 void drm_atomic_helper_commit_modeset_disables(struct drm_device *dev,
 					       struct drm_atomic_state *state);
+
+void drm_atomic_helper_commit_writebacks(struct drm_device *dev,
+					 struct drm_atomic_state *state);
+
+void drm_atomic_helper_commit_encoder_bridge_pre_enable(struct drm_device *dev,
+							struct drm_atomic_state *state);
+
+void drm_atomic_helper_commit_crtc_enable(struct drm_device *dev,
+					  struct drm_atomic_state *state);
+
+void drm_atomic_helper_commit_encoder_bridge_enable(struct drm_device *dev,
+						    struct drm_atomic_state *state);
+
 void drm_atomic_helper_commit_modeset_enables(struct drm_device *dev,
 					  struct drm_atomic_state *old_state);
 
diff --git a/include/drm/drm_atomic_state_helper.h b/include/drm/drm_atomic_state_helper.h
index b9740edb2658..900672c6ea90 100644
--- a/include/drm/drm_atomic_state_helper.h
+++ b/include/drm/drm_atomic_state_helper.h
@@ -84,6 +84,9 @@ void
 __drm_atomic_helper_connector_destroy_state(struct drm_connector_state *state);
 void drm_atomic_helper_connector_destroy_state(struct drm_connector *connector,
 					  struct drm_connector_state *state);
+
+void __drm_atomic_helper_private_obj_create_state(struct drm_private_obj *obj,
+						  struct drm_private_state *state);
 void __drm_atomic_helper_private_obj_duplicate_state(struct drm_private_obj *obj,
 						     struct drm_private_state *state);
 
diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h
index d2683846cc61..4f19f7064ee3 100644
--- a/include/drm/drm_bridge.h
+++ b/include/drm/drm_bridge.h
@@ -176,33 +176,17 @@ struct drm_bridge_funcs {
 	/**
 	 * @disable:
 	 *
-	 * The @disable callback should disable the bridge.
+	 * This callback should disable the bridge. It is called right before
+	 * the preceding element in the display pipe is disabled. If the
+	 * preceding element is a bridge this means it's called before that
+	 * bridge's @disable vfunc. If the preceding element is a &drm_encoder
+	 * it's called right before the &drm_encoder_helper_funcs.disable,
+	 * &drm_encoder_helper_funcs.prepare or &drm_encoder_helper_funcs.dpms
+	 * hook.
 	 *
 	 * The bridge can assume that the display pipe (i.e. clocks and timing
 	 * signals) feeding it is still running when this callback is called.
 	 *
-	 *
-	 * If the preceding element is a &drm_bridge, then this is called before
-	 * that bridge is disabled via one of:
-	 *
-	 * - &drm_bridge_funcs.disable
-	 * - &drm_bridge_funcs.atomic_disable
-	 *
-	 * If the preceding element of the bridge is a display controller, then
-	 * this callback is called before the encoder is disabled via one of:
-	 *
-	 * - &drm_encoder_helper_funcs.atomic_disable
-	 * - &drm_encoder_helper_funcs.prepare
-	 * - &drm_encoder_helper_funcs.disable
-	 * - &drm_encoder_helper_funcs.dpms
-	 *
-	 * and the CRTC is disabled via one of:
-	 *
-	 * - &drm_crtc_helper_funcs.prepare
-	 * - &drm_crtc_helper_funcs.atomic_disable
-	 * - &drm_crtc_helper_funcs.disable
-	 * - &drm_crtc_helper_funcs.dpms.
-	 *
 	 * The @disable callback is optional.
 	 *
 	 * NOTE:
@@ -215,34 +199,17 @@ struct drm_bridge_funcs {
 	/**
 	 * @post_disable:
 	 *
-	 * The bridge must assume that the display pipe (i.e. clocks and timing
-	 * signals) feeding this bridge is no longer running when the
-	 * @post_disable is called.
-	 *
-	 * This callback should perform all the actions required by the hardware
-	 * after it has stopped receiving signals from the preceding element.
-	 *
-	 * If the preceding element is a &drm_bridge, then this is called after
-	 * that bridge is post-disabled (unless marked otherwise by the
-	 * @pre_enable_prev_first flag) via one of:
-	 *
-	 * - &drm_bridge_funcs.post_disable
-	 * - &drm_bridge_funcs.atomic_post_disable
-	 *
-	 * If the preceding element of the bridge is a display controller, then
-	 * this callback is called after the encoder is disabled via one of:
+	 * This callback should disable the bridge. It is called right after the
+	 * preceding element in the display pipe is disabled. If the preceding
+	 * element is a bridge this means it's called after that bridge's
+	 * @post_disable function. If the preceding element is a &drm_encoder
+	 * it's called right after the encoder's
+	 * &drm_encoder_helper_funcs.disable, &drm_encoder_helper_funcs.prepare
+	 * or &drm_encoder_helper_funcs.dpms hook.
 	 *
-	 * - &drm_encoder_helper_funcs.atomic_disable
-	 * - &drm_encoder_helper_funcs.prepare
-	 * - &drm_encoder_helper_funcs.disable
-	 * - &drm_encoder_helper_funcs.dpms
-	 *
-	 * and the CRTC is disabled via one of:
-	 *
-	 * - &drm_crtc_helper_funcs.prepare
-	 * - &drm_crtc_helper_funcs.atomic_disable
-	 * - &drm_crtc_helper_funcs.disable
-	 * - &drm_crtc_helper_funcs.dpms
+	 * The bridge must assume that the display pipe (i.e. clocks and timing
+	 * signals) feeding it is no longer running when this callback is
+	 * called.
 	 *
 	 * The @post_disable callback is optional.
 	 *
@@ -285,30 +252,18 @@ struct drm_bridge_funcs {
 	/**
 	 * @pre_enable:
 	 *
-	 * The display pipe (i.e. clocks and timing signals) feeding this bridge
-	 * will not yet be running when the @pre_enable is called.
-	 *
-	 * This callback should perform all the necessary actions to prepare the
-	 * bridge to accept signals from the preceding element.
-	 *
-	 * If the preceding element is a &drm_bridge, then this is called before
-	 * that bridge is pre-enabled (unless marked otherwise by
-	 * @pre_enable_prev_first flag) via one of:
-	 *
-	 * - &drm_bridge_funcs.pre_enable
-	 * - &drm_bridge_funcs.atomic_pre_enable
+	 * This callback should enable the bridge. It is called right before
+	 * the preceding element in the display pipe is enabled. If the
+	 * preceding element is a bridge this means it's called before that
+	 * bridge's @pre_enable function. If the preceding element is a
+	 * &drm_encoder it's called right before the encoder's
+	 * &drm_encoder_helper_funcs.enable, &drm_encoder_helper_funcs.commit or
+	 * &drm_encoder_helper_funcs.dpms hook.
 	 *
-	 * If the preceding element of the bridge is a display controller, then
-	 * this callback is called before the CRTC is enabled via one of:
-	 *
-	 * - &drm_crtc_helper_funcs.atomic_enable
-	 * - &drm_crtc_helper_funcs.commit
-	 *
-	 * and the encoder is enabled via one of:
-	 *
-	 * - &drm_encoder_helper_funcs.atomic_enable
-	 * - &drm_encoder_helper_funcs.enable
-	 * - &drm_encoder_helper_funcs.commit
+	 * The display pipe (i.e. clocks and timing signals) feeding this bridge
+	 * will not yet be running when this callback is called. The bridge must
+	 * not enable the display link feeding the next bridge in the chain (if
+	 * there is one) when this callback is called.
 	 *
 	 * The @pre_enable callback is optional.
 	 *
@@ -322,31 +277,19 @@ struct drm_bridge_funcs {
 	/**
 	 * @enable:
 	 *
-	 * The @enable callback should enable the bridge.
+	 * This callback should enable the bridge. It is called right after
+	 * the preceding element in the display pipe is enabled. If the
+	 * preceding element is a bridge this means it's called after that
+	 * bridge's @enable function. If the preceding element is a
+	 * &drm_encoder it's called right after the encoder's
+	 * &drm_encoder_helper_funcs.enable, &drm_encoder_helper_funcs.commit or
+	 * &drm_encoder_helper_funcs.dpms hook.
 	 *
 	 * The bridge can assume that the display pipe (i.e. clocks and timing
 	 * signals) feeding it is running when this callback is called. This
 	 * callback must enable the display link feeding the next bridge in the
 	 * chain if there is one.
 	 *
-	 * If the preceding element is a &drm_bridge, then this is called after
-	 * that bridge is enabled via one of:
-	 *
-	 * - &drm_bridge_funcs.enable
-	 * - &drm_bridge_funcs.atomic_enable
-	 *
-	 * If the preceding element of the bridge is a display controller, then
-	 * this callback is called after the CRTC is enabled via one of:
-	 *
-	 * - &drm_crtc_helper_funcs.atomic_enable
-	 * - &drm_crtc_helper_funcs.commit
-	 *
-	 * and the encoder is enabled via one of:
-	 *
-	 * - &drm_encoder_helper_funcs.atomic_enable
-	 * - &drm_encoder_helper_funcs.enable
-	 * - drm_encoder_helper_funcs.commit
-	 *
 	 * The @enable callback is optional.
 	 *
 	 * NOTE:
@@ -359,30 +302,17 @@ struct drm_bridge_funcs {
 	/**
 	 * @atomic_pre_enable:
 	 *
-	 * The display pipe (i.e. clocks and timing signals) feeding this bridge
-	 * will not yet be running when the @atomic_pre_enable is called.
-	 *
-	 * This callback should perform all the necessary actions to prepare the
-	 * bridge to accept signals from the preceding element.
+	 * This callback should enable the bridge. It is called right before
+	 * the preceding element in the display pipe is enabled. If the
+	 * preceding element is a bridge this means it's called before that
+	 * bridge's @atomic_pre_enable or @pre_enable function. If the preceding
+	 * element is a &drm_encoder it's called right before the encoder's
+	 * &drm_encoder_helper_funcs.atomic_enable hook.
 	 *
-	 * If the preceding element is a &drm_bridge, then this is called before
-	 * that bridge is pre-enabled (unless marked otherwise by
-	 * @pre_enable_prev_first flag) via one of:
-	 *
-	 * - &drm_bridge_funcs.pre_enable
-	 * - &drm_bridge_funcs.atomic_pre_enable
-	 *
-	 * If the preceding element of the bridge is a display controller, then
-	 * this callback is called before the CRTC is enabled via one of:
-	 *
-	 * - &drm_crtc_helper_funcs.atomic_enable
-	 * - &drm_crtc_helper_funcs.commit
-	 *
-	 * and the encoder is enabled via one of:
-	 *
-	 * - &drm_encoder_helper_funcs.atomic_enable
-	 * - &drm_encoder_helper_funcs.enable
-	 * - &drm_encoder_helper_funcs.commit
+	 * The display pipe (i.e. clocks and timing signals) feeding this bridge
+	 * will not yet be running when this callback is called. The bridge must
+	 * not enable the display link feeding the next bridge in the chain (if
+	 * there is one) when this callback is called.
 	 *
 	 * The @atomic_pre_enable callback is optional.
 	 */
@@ -392,31 +322,18 @@ struct drm_bridge_funcs {
 	/**
 	 * @atomic_enable:
 	 *
-	 * The @atomic_enable callback should enable the bridge.
+	 * This callback should enable the bridge. It is called right after
+	 * the preceding element in the display pipe is enabled. If the
+	 * preceding element is a bridge this means it's called after that
+	 * bridge's @atomic_enable or @enable function. If the preceding element
+	 * is a &drm_encoder it's called right after the encoder's
+	 * &drm_encoder_helper_funcs.atomic_enable hook.
 	 *
 	 * The bridge can assume that the display pipe (i.e. clocks and timing
 	 * signals) feeding it is running when this callback is called. This
 	 * callback must enable the display link feeding the next bridge in the
 	 * chain if there is one.
 	 *
-	 * If the preceding element is a &drm_bridge, then this is called after
-	 * that bridge is enabled via one of:
-	 *
-	 * - &drm_bridge_funcs.enable
-	 * - &drm_bridge_funcs.atomic_enable
-	 *
-	 * If the preceding element of the bridge is a display controller, then
-	 * this callback is called after the CRTC is enabled via one of:
-	 *
-	 * - &drm_crtc_helper_funcs.atomic_enable
-	 * - &drm_crtc_helper_funcs.commit
-	 *
-	 * and the encoder is enabled via one of:
-	 *
-	 * - &drm_encoder_helper_funcs.atomic_enable
-	 * - &drm_encoder_helper_funcs.enable
-	 * - drm_encoder_helper_funcs.commit
-	 *
 	 * The @atomic_enable callback is optional.
 	 */
 	void (*atomic_enable)(struct drm_bridge *bridge,
@@ -424,32 +341,16 @@ struct drm_bridge_funcs {
 	/**
 	 * @atomic_disable:
 	 *
-	 * The @atomic_disable callback should disable the bridge.
+	 * This callback should disable the bridge. It is called right before
+	 * the preceding element in the display pipe is disabled. If the
+	 * preceding element is a bridge this means it's called before that
+	 * bridge's @atomic_disable or @disable vfunc. If the preceding element
+	 * is a &drm_encoder it's called right before the
+	 * &drm_encoder_helper_funcs.atomic_disable hook.
 	 *
 	 * The bridge can assume that the display pipe (i.e. clocks and timing
 	 * signals) feeding it is still running when this callback is called.
 	 *
-	 * If the preceding element is a &drm_bridge, then this is called before
-	 * that bridge is disabled via one of:
-	 *
-	 * - &drm_bridge_funcs.disable
-	 * - &drm_bridge_funcs.atomic_disable
-	 *
-	 * If the preceding element of the bridge is a display controller, then
-	 * this callback is called before the encoder is disabled via one of:
-	 *
-	 * - &drm_encoder_helper_funcs.atomic_disable
-	 * - &drm_encoder_helper_funcs.prepare
-	 * - &drm_encoder_helper_funcs.disable
-	 * - &drm_encoder_helper_funcs.dpms
-	 *
-	 * and the CRTC is disabled via one of:
-	 *
-	 * - &drm_crtc_helper_funcs.prepare
-	 * - &drm_crtc_helper_funcs.atomic_disable
-	 * - &drm_crtc_helper_funcs.disable
-	 * - &drm_crtc_helper_funcs.dpms.
-	 *
 	 * The @atomic_disable callback is optional.
 	 */
 	void (*atomic_disable)(struct drm_bridge *bridge,
@@ -458,34 +359,16 @@ struct drm_bridge_funcs {
 	/**
 	 * @atomic_post_disable:
 	 *
-	 * The bridge must assume that the display pipe (i.e. clocks and timing
-	 * signals) feeding this bridge is no longer running when the
-	 * @atomic_post_disable is called.
-	 *
-	 * This callback should perform all the actions required by the hardware
-	 * after it has stopped receiving signals from the preceding element.
-	 *
-	 * If the preceding element is a &drm_bridge, then this is called after
-	 * that bridge is post-disabled (unless marked otherwise by the
-	 * @pre_enable_prev_first flag) via one of:
-	 *
-	 * - &drm_bridge_funcs.post_disable
-	 * - &drm_bridge_funcs.atomic_post_disable
-	 *
-	 * If the preceding element of the bridge is a display controller, then
-	 * this callback is called after the encoder is disabled via one of:
-	 *
-	 * - &drm_encoder_helper_funcs.atomic_disable
-	 * - &drm_encoder_helper_funcs.prepare
-	 * - &drm_encoder_helper_funcs.disable
-	 * - &drm_encoder_helper_funcs.dpms
+	 * This callback should disable the bridge. It is called right after the
+	 * preceding element in the display pipe is disabled. If the preceding
+	 * element is a bridge this means it's called after that bridge's
+	 * @atomic_post_disable or @post_disable function. If the preceding
+	 * element is a &drm_encoder it's called right after the encoder's
+	 * &drm_encoder_helper_funcs.atomic_disable hook.
 	 *
-	 * and the CRTC is disabled via one of:
-	 *
-	 * - &drm_crtc_helper_funcs.prepare
-	 * - &drm_crtc_helper_funcs.atomic_disable
-	 * - &drm_crtc_helper_funcs.disable
-	 * - &drm_crtc_helper_funcs.dpms
+	 * The bridge must assume that the display pipe (i.e. clocks and timing
+	 * signals) feeding it is no longer running when this callback is
+	 * called.
 	 *
 	 * The @atomic_post_disable callback is optional.
 	 */
@@ -731,6 +614,7 @@ struct drm_bridge_funcs {
 	 * controllers for HDMI bridges.
 	 */
 	void (*hpd_notify)(struct drm_bridge *bridge,
+			   struct drm_connector *connector,
 			   enum drm_connector_status status);
 
 	/**
@@ -784,29 +668,113 @@ struct drm_bridge_funcs {
 				     unsigned long long tmds_rate);
 
 	/**
-	 * @hdmi_clear_infoframe:
+	 * @hdmi_clear_avi_infoframe:
+	 *
+	 * This callback clears the infoframes in the hardware during commit.
+	 *
+	 * This callback is optional but it must be implemented by bridges that
+	 * set the DRM_BRIDGE_OP_HDMI flag in their &drm_bridge->ops.
+	 */
+	int (*hdmi_clear_avi_infoframe)(struct drm_bridge *bridge);
+
+	/**
+	 * @hdmi_write_avi_infoframe:
+	 *
+	 * Program the infoframe into the hardware.
+	 *
+	 * This callback is optional but it must be implemented by bridges that
+	 * set the DRM_BRIDGE_OP_HDMI flag in their &drm_bridge->ops.
+	 */
+	int (*hdmi_write_avi_infoframe)(struct drm_bridge *bridge,
+					const u8 *buffer, size_t len);
+
+	/**
+	 * @hdmi_clear_hdmi_infoframe:
 	 *
 	 * This callback clears the infoframes in the hardware during commit.
-	 * It will be called multiple times, once for every disabled infoframe
-	 * type.
 	 *
 	 * This callback is optional but it must be implemented by bridges that
 	 * set the DRM_BRIDGE_OP_HDMI flag in their &drm_bridge->ops.
 	 */
-	int (*hdmi_clear_infoframe)(struct drm_bridge *bridge,
-				    enum hdmi_infoframe_type type);
+	int (*hdmi_clear_hdmi_infoframe)(struct drm_bridge *bridge);
+
 	/**
-	 * @hdmi_write_infoframe:
+	 * @hdmi_write_hdmi_infoframe:
 	 *
-	 * Program the infoframe into the hardware. It will be called multiple
-	 * times, once for every updated infoframe type.
+	 * Program the infoframe into the hardware.
 	 *
 	 * This callback is optional but it must be implemented by bridges that
 	 * set the DRM_BRIDGE_OP_HDMI flag in their &drm_bridge->ops.
 	 */
-	int (*hdmi_write_infoframe)(struct drm_bridge *bridge,
-				    enum hdmi_infoframe_type type,
-				    const u8 *buffer, size_t len);
+	int (*hdmi_write_hdmi_infoframe)(struct drm_bridge *bridge,
+					    const u8 *buffer, size_t len);
+
+	/**
+	 * @hdmi_clear_hdr_drm_infoframe:
+	 *
+	 * This callback clears the infoframes in the hardware during commit.
+	 *
+	 * This callback is optional but it must be implemented by bridges that
+	 * set the DRM_BRIDGE_OP_HDMI_HDR_DRM_INFOFRAME flag in their
+	 * &drm_bridge->ops.
+	 */
+	int (*hdmi_clear_hdr_drm_infoframe)(struct drm_bridge *bridge);
+
+	/**
+	 * @hdmi_write_hdr_drm_infoframe:
+	 *
+	 * Program the infoframe into the hardware.
+	 *
+	 * This callback is optional but it must be implemented by bridges that
+	 * set the DRM_BRIDGE_OP_HDMI_HDR_DRM_INFOFRAME flag in their
+	 * &drm_bridge->ops.
+	 */
+	int (*hdmi_write_hdr_drm_infoframe)(struct drm_bridge *bridge,
+					const u8 *buffer, size_t len);
+
+	/**
+	 * @hdmi_clear_spd_infoframe:
+	 *
+	 * This callback clears the infoframes in the hardware during commit.
+	 *
+	 * This callback is optional but it must be implemented by bridges that
+	 * set the DRM_BRIDGE_OP_HDMI_SPD_INFOFRAME flag in their
+	 * &drm_bridge->ops.
+	 */
+	int (*hdmi_clear_spd_infoframe)(struct drm_bridge *bridge);
+
+	/**
+	 * @hdmi_write_spd_infoframe:
+	 *
+	 * Program the infoframe into the hardware.
+	 *
+	 * This callback is optional but it must be implemented by bridges that
+	 * set the DRM_BRIDGE_OP_HDMI_SPD_INFOFRAME flag in their
+	 * &drm_bridge->ops.
+	 */
+	int (*hdmi_write_spd_infoframe)(struct drm_bridge *bridge,
+					const u8 *buffer, size_t len);
+
+	/**
+	 * @hdmi_clear_audio_infoframe:
+	 *
+	 * This callback clears the infoframes in the hardware during commit.
+	 *
+	 * This callback is optional but it must be implemented by bridges that
+	 * set the DRM_BRIDGE_OP_HDMI_AUDIO flag in their &drm_bridge->ops.
+	 */
+	int (*hdmi_clear_audio_infoframe)(struct drm_bridge *bridge);
+
+	/**
+	 * @hdmi_write_audio_infoframe:
+	 *
+	 * Program the infoframe into the hardware.
+	 *
+	 * This callback is optional but it must be implemented by bridges that
+	 * set the DRM_BRIDGE_OP_HDMI_AUDIO flag in their &drm_bridge->ops.
+	 */
+	int (*hdmi_write_audio_infoframe)(struct drm_bridge *bridge,
+					  const u8 *buffer, size_t len);
 
 	/**
 	 * @hdmi_audio_startup:
@@ -1062,7 +1030,11 @@ enum drm_bridge_ops {
 	/**
 	 * @DRM_BRIDGE_OP_HDMI: The bridge provides HDMI connector operations,
 	 * including infoframes support. Bridges that set this flag must
-	 * implement the &drm_bridge_funcs->write_infoframe callback.
+	 * provide HDMI-related information and implement the
+	 * &drm_bridge_funcs->clear_avi_infoframe,
+	 * &drm_bridge_funcs->write_avi_infoframe,
+	 * &drm_bridge_funcs->clear_hdmi_infoframe and
+	 * &drm_bridge_funcs->write_hdmi_infoframe callbacks.
 	 *
 	 * Note: currently there can be at most one bridge in a chain that sets
 	 * this bit. This is to simplify corresponding glue code in connector
@@ -1074,6 +1046,9 @@ enum drm_bridge_ops {
 	 * Bridges that set this flag must implement the
 	 * &drm_bridge_funcs->hdmi_audio_prepare and
 	 * &drm_bridge_funcs->hdmi_audio_shutdown callbacks.
+	 * If the bridge implements @DRM_BRIDGE_OP_HDMI, it also must implement
+	 * &drm_bridge_funcs->hdmi_write_audio_infoframe and
+	 * &drm_bridge_funcs->hdmi_cleaer_audio_infoframe callbacks.
 	 *
 	 * Note: currently there can be at most one bridge in a chain that sets
 	 * this bit. This is to simplify corresponding glue code in connector
@@ -1105,6 +1080,18 @@ enum drm_bridge_ops {
 	 * to be present.
 	 */
 	DRM_BRIDGE_OP_HDMI_CEC_ADAPTER = BIT(8),
+	/**
+	 * @DRM_BRIDGE_OP_HDMI_HDR_DRM_INFOFRAME: The bridge supports
+	 * &drm_bridge_funcs->hdmi_write_hdr_drm_infoframe and
+	 * &drm_bridge_funcs->hdmi_clear_hdr_drm_infoframe callbacks.
+	 */
+	DRM_BRIDGE_OP_HDMI_HDR_DRM_INFOFRAME = BIT(9),
+	/**
+	 * @DRM_BRIDGE_OP_HDMI_SPD_INFOFRAME: The bridge supports
+	 * &drm_bridge_funcs->hdmi_write_spd_infoframe and
+	 * &drm_bridge_funcs->hdmi_clear_spd_infoframe callbacks.
+	 */
+	DRM_BRIDGE_OP_HDMI_SPD_INFOFRAME = BIT(10),
 };
 
 /**
@@ -1278,6 +1265,17 @@ struct drm_bridge {
 	 * @hpd_cb.
 	 */
 	void *hpd_data;
+
+	/**
+	 * @next_bridge: Pointer to the following bridge, automatically put
+	 * when this bridge is freed (i.e. at destroy time). This is for
+	 * drivers needing to store a pointer to the next bridge in the
+	 * chain, and ensures any code still holding a reference to this
+	 * bridge after its removal cannot use-after-free the next
+	 * bridge. Any other bridge pointers stored by the driver must be
+	 * put in the .destroy callback by driver code.
+	 */
+	struct drm_bridge *next_bridge;
 };
 
 static inline struct drm_bridge *
@@ -1325,8 +1323,13 @@ int drm_bridge_attach(struct drm_encoder *encoder, struct drm_bridge *bridge,
 		      enum drm_bridge_attach_flags flags);
 
 #ifdef CONFIG_OF
+struct drm_bridge *of_drm_find_and_get_bridge(struct device_node *np);
 struct drm_bridge *of_drm_find_bridge(struct device_node *np);
 #else
+static inline struct drm_bridge *of_drm_find_and_get_bridge(struct device_node *np)
+{
+	return NULL;
+}
 static inline struct drm_bridge *of_drm_find_bridge(struct device_node *np)
 {
 	return NULL;
diff --git a/include/drm/drm_buddy.h b/include/drm/drm_buddy.h
index b909fa8f810a..3054369bebff 100644
--- a/include/drm/drm_buddy.h
+++ b/include/drm/drm_buddy.h
@@ -6,166 +6,13 @@
 #ifndef __DRM_BUDDY_H__
 #define __DRM_BUDDY_H__
 
-#include <linux/bitops.h>
-#include <linux/list.h>
-#include <linux/slab.h>
-#include <linux/sched.h>
-#include <linux/rbtree.h>
+#include <linux/gpu_buddy.h>
 
 struct drm_printer;
 
-#define DRM_BUDDY_RANGE_ALLOCATION		BIT(0)
-#define DRM_BUDDY_TOPDOWN_ALLOCATION		BIT(1)
-#define DRM_BUDDY_CONTIGUOUS_ALLOCATION		BIT(2)
-#define DRM_BUDDY_CLEAR_ALLOCATION		BIT(3)
-#define DRM_BUDDY_CLEARED			BIT(4)
-#define DRM_BUDDY_TRIM_DISABLE			BIT(5)
-
-struct drm_buddy_block {
-#define DRM_BUDDY_HEADER_OFFSET GENMASK_ULL(63, 12)
-#define DRM_BUDDY_HEADER_STATE  GENMASK_ULL(11, 10)
-#define   DRM_BUDDY_ALLOCATED	   (1 << 10)
-#define   DRM_BUDDY_FREE	   (2 << 10)
-#define   DRM_BUDDY_SPLIT	   (3 << 10)
-#define DRM_BUDDY_HEADER_CLEAR  GENMASK_ULL(9, 9)
-/* Free to be used, if needed in the future */
-#define DRM_BUDDY_HEADER_UNUSED GENMASK_ULL(8, 6)
-#define DRM_BUDDY_HEADER_ORDER  GENMASK_ULL(5, 0)
-	u64 header;
-
-	struct drm_buddy_block *left;
-	struct drm_buddy_block *right;
-	struct drm_buddy_block *parent;
-
-	void *private; /* owned by creator */
-
-	/*
-	 * While the block is allocated by the user through drm_buddy_alloc*,
-	 * the user has ownership of the link, for example to maintain within
-	 * a list, if so desired. As soon as the block is freed with
-	 * drm_buddy_free* ownership is given back to the mm.
-	 */
-	union {
-		struct rb_node rb;
-		struct list_head link;
-	};
-
-	struct list_head tmp_link;
-};
-
-/* Order-zero must be at least SZ_4K */
-#define DRM_BUDDY_MAX_ORDER (63 - 12)
-
-/*
- * Binary Buddy System.
- *
- * Locking should be handled by the user, a simple mutex around
- * drm_buddy_alloc* and drm_buddy_free* should suffice.
- */
-struct drm_buddy {
-	/* Maintain a free list for each order. */
-	struct rb_root **free_trees;
-
-	/*
-	 * Maintain explicit binary tree(s) to track the allocation of the
-	 * address space. This gives us a simple way of finding a buddy block
-	 * and performing the potentially recursive merge step when freeing a
-	 * block.  Nodes are either allocated or free, in which case they will
-	 * also exist on the respective free list.
-	 */
-	struct drm_buddy_block **roots;
-
-	/*
-	 * Anything from here is public, and remains static for the lifetime of
-	 * the mm. Everything above is considered do-not-touch.
-	 */
-	unsigned int n_roots;
-	unsigned int max_order;
-
-	/* Must be at least SZ_4K */
-	u64 chunk_size;
-	u64 size;
-	u64 avail;
-	u64 clear_avail;
-};
-
-static inline u64
-drm_buddy_block_offset(const struct drm_buddy_block *block)
-{
-	return block->header & DRM_BUDDY_HEADER_OFFSET;
-}
-
-static inline unsigned int
-drm_buddy_block_order(struct drm_buddy_block *block)
-{
-	return block->header & DRM_BUDDY_HEADER_ORDER;
-}
-
-static inline unsigned int
-drm_buddy_block_state(struct drm_buddy_block *block)
-{
-	return block->header & DRM_BUDDY_HEADER_STATE;
-}
-
-static inline bool
-drm_buddy_block_is_allocated(struct drm_buddy_block *block)
-{
-	return drm_buddy_block_state(block) == DRM_BUDDY_ALLOCATED;
-}
-
-static inline bool
-drm_buddy_block_is_clear(struct drm_buddy_block *block)
-{
-	return block->header & DRM_BUDDY_HEADER_CLEAR;
-}
-
-static inline bool
-drm_buddy_block_is_free(struct drm_buddy_block *block)
-{
-	return drm_buddy_block_state(block) == DRM_BUDDY_FREE;
-}
-
-static inline bool
-drm_buddy_block_is_split(struct drm_buddy_block *block)
-{
-	return drm_buddy_block_state(block) == DRM_BUDDY_SPLIT;
-}
-
-static inline u64
-drm_buddy_block_size(struct drm_buddy *mm,
-		     struct drm_buddy_block *block)
-{
-	return mm->chunk_size << drm_buddy_block_order(block);
-}
-
-int drm_buddy_init(struct drm_buddy *mm, u64 size, u64 chunk_size);
-
-void drm_buddy_fini(struct drm_buddy *mm);
-
-struct drm_buddy_block *
-drm_get_buddy(struct drm_buddy_block *block);
-
-int drm_buddy_alloc_blocks(struct drm_buddy *mm,
-			   u64 start, u64 end, u64 size,
-			   u64 min_page_size,
-			   struct list_head *blocks,
-			   unsigned long flags);
-
-int drm_buddy_block_trim(struct drm_buddy *mm,
-			 u64 *start,
-			 u64 new_size,
-			 struct list_head *blocks);
-
-void drm_buddy_reset_clear(struct drm_buddy *mm, bool is_clear);
-
-void drm_buddy_free_block(struct drm_buddy *mm, struct drm_buddy_block *block);
-
-void drm_buddy_free_list(struct drm_buddy *mm,
-			 struct list_head *objects,
-			 unsigned int flags);
-
-void drm_buddy_print(struct drm_buddy *mm, struct drm_printer *p);
-void drm_buddy_block_print(struct drm_buddy *mm,
-			   struct drm_buddy_block *block,
+/* DRM-specific GPU Buddy Allocator print helpers */
+void drm_buddy_print(struct gpu_buddy *mm, struct drm_printer *p);
+void drm_buddy_block_print(struct gpu_buddy *mm,
+			   struct gpu_buddy_block *block,
 			   struct drm_printer *p);
 #endif
diff --git a/include/drm/drm_client.h b/include/drm/drm_client.h
index c972a8a3385b..49a21f3dcb36 100644
--- a/include/drm/drm_client.h
+++ b/include/drm/drm_client.h
@@ -196,6 +196,9 @@ struct drm_client_buffer {
 };
 
 struct drm_client_buffer *
+drm_client_buffer_create(struct drm_client_dev *client, u32 width, u32 height,
+			 u32 format, u32 handle, u32 pitch);
+struct drm_client_buffer *
 drm_client_buffer_create_dumb(struct drm_client_dev *client, u32 width, u32 height, u32 format);
 void drm_client_buffer_delete(struct drm_client_buffer *buffer);
 int drm_client_buffer_flush(struct drm_client_buffer *buffer, struct drm_rect *rect);
diff --git a/include/drm/drm_colorop.h b/include/drm/drm_colorop.h
index a3a32f9f918c..bd082854ca74 100644
--- a/include/drm/drm_colorop.h
+++ b/include/drm/drm_colorop.h
@@ -188,6 +188,19 @@ struct drm_colorop_state {
 };
 
 /**
+ * struct drm_colorop_funcs - driver colorop control functions
+ */
+struct drm_colorop_funcs {
+	/**
+	 * @destroy:
+	 *
+	 * Clean up colorop resources. This is called at driver unload time
+	 * through drm_mode_config_cleanup()
+	 */
+	void (*destroy)(struct drm_colorop *colorop);
+};
+
+/**
  * struct drm_colorop - DRM color operation control structure
  *
  * A colorop represents one color operation. They can be chained via
@@ -362,6 +375,8 @@ struct drm_colorop {
 	 */
 	struct drm_property *next_property;
 
+	/** @funcs: colorop control functions */
+	const struct drm_colorop_funcs *funcs;
 };
 
 #define obj_to_colorop(x) container_of(x, struct drm_colorop, base)
@@ -390,17 +405,22 @@ void drm_colorop_pipeline_destroy(struct drm_device *dev);
 void drm_colorop_cleanup(struct drm_colorop *colorop);
 
 int drm_plane_colorop_curve_1d_init(struct drm_device *dev, struct drm_colorop *colorop,
-				    struct drm_plane *plane, u64 supported_tfs, uint32_t flags);
+				    struct drm_plane *plane, const struct drm_colorop_funcs *funcs,
+				    u64 supported_tfs, uint32_t flags);
 int drm_plane_colorop_curve_1d_lut_init(struct drm_device *dev, struct drm_colorop *colorop,
-					struct drm_plane *plane, uint32_t lut_size,
+					struct drm_plane *plane,
+					const struct drm_colorop_funcs *funcs,
+					uint32_t lut_size,
 					enum drm_colorop_lut1d_interpolation_type interpolation,
 					uint32_t flags);
 int drm_plane_colorop_ctm_3x4_init(struct drm_device *dev, struct drm_colorop *colorop,
-				   struct drm_plane *plane, uint32_t flags);
+				   struct drm_plane *plane, const struct drm_colorop_funcs *funcs,
+				   uint32_t flags);
 int drm_plane_colorop_mult_init(struct drm_device *dev, struct drm_colorop *colorop,
-				struct drm_plane *plane, uint32_t flags);
+				struct drm_plane *plane, const struct drm_colorop_funcs *funcs,
+				uint32_t flags);
 int drm_plane_colorop_3dlut_init(struct drm_device *dev, struct drm_colorop *colorop,
-				 struct drm_plane *plane,
+				 struct drm_plane *plane, const struct drm_colorop_funcs *funcs,
 				 uint32_t lut_size,
 				 enum drm_colorop_lut3d_interpolation_type interpolation,
 				 uint32_t flags);
@@ -420,6 +440,8 @@ void drm_colorop_atomic_destroy_state(struct drm_colorop *colorop,
  */
 void drm_colorop_reset(struct drm_colorop *colorop);
 
+void drm_colorop_destroy(struct drm_colorop *colorop);
+
 /**
  * drm_colorop_index - find the index of a registered colorop
  * @colorop: colorop to find index for
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
index 8f34f4b8183d..c18be8c19de0 100644
--- a/include/drm/drm_connector.h
+++ b/include/drm/drm_connector.h
@@ -1222,44 +1222,24 @@ struct drm_connector_cec_funcs {
 };
 
 /**
- * struct drm_connector_hdmi_funcs - drm_hdmi_connector control functions
+ * struct drm_connector_infoframe_funcs - InfoFrame-related functions
  */
-struct drm_connector_hdmi_funcs {
-	/**
-	 * @tmds_char_rate_valid:
-	 *
-	 * This callback is invoked at atomic_check time to figure out
-	 * whether a particular TMDS character rate is supported by the
-	 * driver.
-	 *
-	 * The @tmds_char_rate_valid callback is optional.
-	 *
-	 * Returns:
-	 *
-	 * Either &drm_mode_status.MODE_OK or one of the failure reasons
-	 * in &enum drm_mode_status.
-	 */
-	enum drm_mode_status
-	(*tmds_char_rate_valid)(const struct drm_connector *connector,
-				const struct drm_display_mode *mode,
-				unsigned long long tmds_rate);
-
+struct drm_connector_infoframe_funcs {
 	/**
 	 * @clear_infoframe:
 	 *
 	 * This callback is invoked through
 	 * @drm_atomic_helper_connector_hdmi_update_infoframes during a
 	 * commit to clear the infoframes into the hardware. It will be
-	 * called multiple times, once for every disabled infoframe
-	 * type.
+	 * called once for each frame type to be disabled.
 	 *
-	 * The @clear_infoframe callback is optional.
+	 * The @clear_infoframe callback is mandatory for AVI and HDMI-VS
+	 * InfoFrame types.
 	 *
 	 * Returns:
 	 * 0 on success, a negative error code otherwise
 	 */
-	int (*clear_infoframe)(struct drm_connector *connector,
-			       enum hdmi_infoframe_type type);
+	int (*clear_infoframe)(struct drm_connector *connector);
 
 	/**
 	 * @write_infoframe:
@@ -1267,18 +1247,42 @@ struct drm_connector_hdmi_funcs {
 	 * This callback is invoked through
 	 * @drm_atomic_helper_connector_hdmi_update_infoframes during a
 	 * commit to program the infoframes into the hardware. It will
-	 * be called multiple times, once for every updated infoframe
-	 * type.
+	 * be called for every updated infoframe type.
 	 *
-	 * The @write_infoframe callback is mandatory.
+	 * The @write_infoframe callback is mandatory for AVI and HDMI-VS
+	 * InfoFrame types.
 	 *
 	 * Returns:
 	 * 0 on success, a negative error code otherwise
 	 */
 	int (*write_infoframe)(struct drm_connector *connector,
-			       enum hdmi_infoframe_type type,
 			       const u8 *buffer, size_t len);
 
+};
+
+/**
+ * struct drm_connector_hdmi_funcs - drm_hdmi_connector control functions
+ */
+struct drm_connector_hdmi_funcs {
+	/**
+	 * @tmds_char_rate_valid:
+	 *
+	 * This callback is invoked at atomic_check time to figure out
+	 * whether a particular TMDS character rate is supported by the
+	 * driver.
+	 *
+	 * The @tmds_char_rate_valid callback is optional.
+	 *
+	 * Returns:
+	 *
+	 * Either &drm_mode_status.MODE_OK or one of the failure reasons
+	 * in &enum drm_mode_status.
+	 */
+	enum drm_mode_status
+	(*tmds_char_rate_valid)(const struct drm_connector *connector,
+				const struct drm_display_mode *mode,
+				unsigned long long tmds_rate);
+
 	/**
 	 * @read_edid:
 	 *
@@ -1293,6 +1297,47 @@ struct drm_connector_hdmi_funcs {
 	 * Valid EDID on success, NULL in case of failure.
 	 */
 	const struct drm_edid *(*read_edid)(struct drm_connector *connector);
+
+	/**
+	 * @avi:
+	 *
+	 * Set of callbacks for handling the AVI InfoFrame. These callbacks are
+	 * mandatory.
+	 */
+	struct drm_connector_infoframe_funcs avi;
+
+	/**
+	 * @hdmi:
+	 *
+	 * Set of callbacks for handling the HDMI Vendor-Specific InfoFrame.
+	 * These callbacks are mandatory.
+	 */
+	struct drm_connector_infoframe_funcs hdmi;
+
+	/**
+	 * @audio:
+	 *
+	 * Set of callbacks for handling the Audio InfoFrame. These callbacks
+	 * are optional, but they are required for drivers which use
+	 * drm_atomic_helper_connector_hdmi_update_audio_infoframe().
+	 */
+	struct drm_connector_infoframe_funcs audio;
+
+	/**
+	 * @hdr_drm:
+	 *
+	 * Set of callbacks for handling the HDR DRM InfoFrame. These callbacks
+	 * are mandatory if HDR output is to be supported.
+	 */
+	struct drm_connector_infoframe_funcs hdr_drm;
+
+	/**
+	 * @spd:
+	 *
+	 * Set of callbacks for handling the SPD InfoFrame. These callbacks are
+	 * optional.
+	 */
+	struct drm_connector_infoframe_funcs spd;
 };
 
 /**
@@ -2448,6 +2493,7 @@ int drm_connector_attach_scaling_mode_property(struct drm_connector *connector,
 					       u32 scaling_mode_mask);
 int drm_connector_attach_vrr_capable_property(
 		struct drm_connector *connector);
+void drm_connector_attach_panel_type_property(struct drm_connector *connector);
 int drm_connector_attach_broadcast_rgb_property(struct drm_connector *connector);
 int drm_connector_attach_colorspace_property(struct drm_connector *connector);
 int drm_connector_attach_hdr_output_metadata_property(struct drm_connector *connector);
diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h
index 05cca77b7249..15274b8a1d97 100644
--- a/include/drm/drm_fb_helper.h
+++ b/include/drm/drm_fb_helper.h
@@ -271,111 +271,6 @@ int drm_fb_helper_ioctl(struct fb_info *info, unsigned int cmd,
 
 int drm_fb_helper_hotplug_event(struct drm_fb_helper *fb_helper);
 int drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper);
-#else
-static inline void drm_fb_helper_prepare(struct drm_device *dev,
-					 struct drm_fb_helper *helper,
-					 unsigned int preferred_bpp,
-					 const struct drm_fb_helper_funcs *funcs)
-{
-}
-
-static inline void drm_fb_helper_unprepare(struct drm_fb_helper *fb_helper)
-{
-}
-
-static inline int drm_fb_helper_init(struct drm_device *dev,
-		       struct drm_fb_helper *helper)
-{
-	/* So drivers can use it to free the struct */
-	helper->dev = dev;
-	dev->fb_helper = helper;
-
-	return 0;
-}
-
-static inline void drm_fb_helper_fini(struct drm_fb_helper *helper)
-{
-	if (helper && helper->dev)
-		helper->dev->fb_helper = NULL;
-}
-
-static inline int drm_fb_helper_blank(int blank, struct fb_info *info)
-{
-	return 0;
-}
-
-static inline int drm_fb_helper_pan_display(struct fb_var_screeninfo *var,
-					    struct fb_info *info)
-{
-	return 0;
-}
-
-static inline int drm_fb_helper_set_par(struct fb_info *info)
-{
-	return 0;
-}
-
-static inline int drm_fb_helper_check_var(struct fb_var_screeninfo *var,
-					  struct fb_info *info)
-{
-	return 0;
-}
-
-static inline int
-drm_fb_helper_restore_fbdev_mode_unlocked(struct drm_fb_helper *fb_helper)
-{
-	return 0;
-}
-
-static inline void drm_fb_helper_unregister_info(struct drm_fb_helper *fb_helper)
-{
-}
-
-static inline void
-drm_fb_helper_fill_info(struct fb_info *info,
-			struct drm_fb_helper *fb_helper,
-			struct drm_fb_helper_surface_size *sizes)
-{
-}
-
-static inline int drm_fb_helper_setcmap(struct fb_cmap *cmap,
-					struct fb_info *info)
-{
-	return 0;
-}
-
-static inline int drm_fb_helper_ioctl(struct fb_info *info, unsigned int cmd,
-				      unsigned long arg)
-{
-	return 0;
-}
-
-#ifdef CONFIG_FB_DEFERRED_IO
-static inline void drm_fb_helper_deferred_io(struct fb_info *info,
-					     struct list_head *pagelist)
-{
-}
-#endif
-
-static inline void drm_fb_helper_set_suspend(struct drm_fb_helper *fb_helper,
-					     bool suspend)
-{
-}
-
-static inline void
-drm_fb_helper_set_suspend_unlocked(struct drm_fb_helper *fb_helper, bool suspend)
-{
-}
-
-static inline int drm_fb_helper_hotplug_event(struct drm_fb_helper *fb_helper)
-{
-	return 0;
-}
-
-static inline int drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper)
-{
-	return 0;
-}
 #endif
 
 #endif
diff --git a/include/drm/drm_gem_shmem_helper.h b/include/drm/drm_gem_shmem_helper.h
index 6b6478f5ca24..5ccdae21b94a 100644
--- a/include/drm/drm_gem_shmem_helper.h
+++ b/include/drm/drm_gem_shmem_helper.h
@@ -300,4 +300,15 @@ struct drm_gem_object *drm_gem_shmem_prime_import_no_map(struct drm_device *dev,
 	.gem_prime_import       = drm_gem_shmem_prime_import_no_map, \
 	.dumb_create            = drm_gem_shmem_dumb_create
 
+/*
+ * Kunit helpers
+ */
+
+#if IS_ENABLED(CONFIG_KUNIT)
+int drm_gem_shmem_vmap(struct drm_gem_shmem_object *shmem, struct iosys_map *map);
+void drm_gem_shmem_vunmap(struct drm_gem_shmem_object *shmem, struct iosys_map *map);
+int drm_gem_shmem_madvise(struct drm_gem_shmem_object *shmem, int madv);
+int drm_gem_shmem_purge(struct drm_gem_shmem_object *shmem);
+#endif
+
 #endif /* __DRM_GEM_SHMEM_HELPER_H__ */
diff --git a/include/drm/drm_gpuvm.h b/include/drm/drm_gpuvm.h
index fdfc575b2603..655bd9104ffb 100644
--- a/include/drm/drm_gpuvm.h
+++ b/include/drm/drm_gpuvm.h
@@ -736,8 +736,8 @@ drm_gpuvm_bo_create(struct drm_gpuvm *gpuvm,
 		    struct drm_gem_object *obj);
 
 struct drm_gpuvm_bo *
-drm_gpuvm_bo_obtain(struct drm_gpuvm *gpuvm,
-		    struct drm_gem_object *obj);
+drm_gpuvm_bo_obtain_locked(struct drm_gpuvm *gpuvm,
+			   struct drm_gem_object *obj);
 struct drm_gpuvm_bo *
 drm_gpuvm_bo_obtain_prealloc(struct drm_gpuvm_bo *vm_bo);
 
@@ -1121,7 +1121,7 @@ void drm_gpuva_ops_free(struct drm_gpuvm *gpuvm,
 			struct drm_gpuva_ops *ops);
 
 static inline void drm_gpuva_init_from_op(struct drm_gpuva *va,
-					  struct drm_gpuva_op_map *op)
+					  const struct drm_gpuva_op_map *op)
 {
 	va->va.addr = op->va.addr;
 	va->va.range = op->va.range;
@@ -1265,13 +1265,13 @@ int drm_gpuvm_sm_unmap_exec_lock(struct drm_gpuvm *gpuvm, struct drm_exec *exec,
 
 void drm_gpuva_map(struct drm_gpuvm *gpuvm,
 		   struct drm_gpuva *va,
-		   struct drm_gpuva_op_map *op);
+		   const struct drm_gpuva_op_map *op);
 
 void drm_gpuva_remap(struct drm_gpuva *prev,
 		     struct drm_gpuva *next,
-		     struct drm_gpuva_op_remap *op);
+		     const struct drm_gpuva_op_remap *op);
 
-void drm_gpuva_unmap(struct drm_gpuva_op_unmap *op);
+void drm_gpuva_unmap(const struct drm_gpuva_op_unmap *op);
 
 /**
  * drm_gpuva_op_remap_to_unmap_range() - Helper to get the start and range of
diff --git a/include/drm/drm_mode_config.h b/include/drm/drm_mode_config.h
index 895fb820dba0..5e1dd0cfccde 100644
--- a/include/drm/drm_mode_config.h
+++ b/include/drm/drm_mode_config.h
@@ -601,6 +601,10 @@ struct drm_mode_config {
 	 */
 	struct drm_property *tile_property;
 	/**
+	 * @panel_type_property: Default connector property for panel type
+	 */
+	struct drm_property *panel_type_property;
+	/**
 	 * @link_status_property: Default connector property for link status
 	 * of a connector
 	 */
diff --git a/include/drm/drm_mode_object.h b/include/drm/drm_mode_object.h
index c68edbd126d0..44a0d6f8d01f 100644
--- a/include/drm/drm_mode_object.h
+++ b/include/drm/drm_mode_object.h
@@ -133,6 +133,9 @@ int drm_object_property_get_value(struct drm_mode_object *obj,
 int drm_object_property_get_default_value(struct drm_mode_object *obj,
 					  struct drm_property *property,
 					  uint64_t *val);
+int drm_object_immutable_property_get_value(struct drm_mode_object *obj,
+					    struct drm_property *property,
+					    uint64_t *val);
 
 void drm_object_attach_property(struct drm_mode_object *obj,
 				struct drm_property *property,
diff --git a/include/drm/drm_of.h b/include/drm/drm_of.h
index 7f0256dae3f1..f2f2bf82eff9 100644
--- a/include/drm/drm_of.h
+++ b/include/drm/drm_of.h
@@ -5,6 +5,7 @@
 #include <linux/err.h>
 #include <linux/of_graph.h>
 #if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_DRM_PANEL_BRIDGE)
+#include <linux/of.h>
 #include <drm/drm_bridge.h>
 #endif
 
@@ -170,9 +171,12 @@ static inline int drm_of_panel_bridge_remove(const struct device_node *np,
 	if (!remote)
 		return -ENODEV;
 
-	bridge = of_drm_find_bridge(remote);
+	bridge = of_drm_find_and_get_bridge(remote);
 	drm_panel_bridge_remove(bridge);
 
+	drm_bridge_put(bridge);
+	of_node_put(remote);
+
 	return 0;
 #else
 	return -EINVAL;
diff --git a/include/drm/drm_property.h b/include/drm/drm_property.h
index 082f29156b3e..aa49b5a42bb5 100644
--- a/include/drm/drm_property.h
+++ b/include/drm/drm_property.h
@@ -284,6 +284,7 @@ int drm_property_replace_blob_from_id(struct drm_device *dev,
 				      uint64_t blob_id,
 				      ssize_t expected_size,
 				      ssize_t expected_elem_size,
+				      ssize_t max_size,
 				      bool *replaced);
 int drm_property_replace_global_blob(struct drm_device *dev,
 				     struct drm_property_blob **replace,
diff --git a/include/drm/intel/display_parent_interface.h b/include/drm/intel/display_parent_interface.h
index 10c50b42844e..ce946859a3a9 100644
--- a/include/drm/intel/display_parent_interface.h
+++ b/include/drm/intel/display_parent_interface.h
@@ -7,9 +7,15 @@
 #include <linux/types.h>
 
 struct dma_fence;
+struct drm_crtc;
 struct drm_device;
+struct drm_framebuffer;
+struct drm_gem_object;
+struct drm_plane_state;
 struct drm_scanout_buffer;
+struct i915_vma;
 struct intel_hdcp_gsc_context;
+struct intel_initial_plane_config;
 struct intel_panic;
 struct intel_stolen_node;
 struct ref_tracker;
@@ -25,6 +31,14 @@ struct intel_display_hdcp_interface {
 	void (*gsc_context_free)(struct intel_hdcp_gsc_context *gsc_context);
 };
 
+struct intel_display_initial_plane_interface {
+	void (*vblank_wait)(struct drm_crtc *crtc);
+	struct drm_gem_object *(*alloc_obj)(struct drm_device *drm, struct intel_initial_plane_config *plane_config);
+	int (*setup)(struct drm_plane_state *plane_state, struct intel_initial_plane_config *plane_config,
+		     struct drm_framebuffer *fb, struct i915_vma *vma);
+	void (*config_fini)(struct intel_initial_plane_config *plane_configs);
+};
+
 struct intel_display_irq_interface {
 	bool (*enabled)(struct drm_device *drm);
 	void (*synchronize)(struct drm_device *drm);
@@ -95,6 +109,9 @@ struct intel_display_parent_interface {
 	/** @hdcp: HDCP GSC interface */
 	const struct intel_display_hdcp_interface *hdcp;
 
+	/** @initial_plane: Initial plane interface */
+	const struct intel_display_initial_plane_interface *initial_plane;
+
 	/** @irq: IRQ interface */
 	const struct intel_display_irq_interface *irq;
 
diff --git a/include/drm/intel/intel_lb_mei_interface.h b/include/drm/intel/intel_lb_mei_interface.h
index d65be2cba2ab..0850738a30fc 100644
--- a/include/drm/intel/intel_lb_mei_interface.h
+++ b/include/drm/intel/intel_lb_mei_interface.h
@@ -53,7 +53,8 @@ enum intel_lb_status {
  */
 struct intel_lb_component_ops {
 	/**
-	 * push_payload - Sends a payload to the authentication firmware
+	 * @push_payload: Sends a payload to the authentication firmware
+	 *
 	 * @dev: Device struct corresponding to the mei device
 	 * @type: Payload type (see &enum intel_lb_type)
 	 * @flags: Payload flags bitmap (e.g. %INTEL_LB_FLAGS_IS_PERSISTENT)