Merge tag 'drm-next-2022-10-05' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "Lots of stuff all over, some new AMD IP support and gang submit
  support. i915 has further DG2 and Meteorlake pieces, and a bunch of
  i915 display refactoring. msm has a shrinker rework. There are also a
  bunch of conversions to use kunit.

  This has two external pieces, some MEI changes needed for future Intel
  discrete GPUs. These should be acked by Greg. There is also a cross
  maintainer shared tree with some backlight rework from Hans in here.

  Core:
   - convert selftests to kunit
   - managed init for more objects
   - move to idr_init_base
   - rename fb and gem cma helpers to dma
   - hide unregistered connectors from getconnector ioctl
   - DSC passthrough aux support
   - backlight handling improvements
   - add dma_resv_assert_held to vmap/vunmap

  edid:
   - move luminance calculation to core

  fbdev:
   - fix aperture helper usage

  fourcc:
   - add more format helpers
   - add DRM_FORMAT_Cxx, DRM_FORMAT_Rxx, DRM_FORMAT_Dxx
   - add packed AYUV8888, XYUV8888
   - add some kunit tests

  ttm:
   - allow bos without backing store
   - rewrite placement to use intersect/compatible functions

  dma-buf:
   - docs update
   - improve signalling when debugging

  udmabuf:
   - fix failure path GPF

  dp:
   - drop dp/mst legacy code
   - atomic mst state support
   - audio infoframe packing

  panel:
   - Samsung LTL101AL01
   - B120XAN01.0
   - R140NWF5 RH
   - DMT028VGHMCMI-1A T
   - AUO B133UAN02.1
   - IVO M133NW4J-R3
   - Innolux N120ACA-EA1

  amdgpu:
   - Gang submit support
   - Mode2 reset for RDNA2
   - New IP support:
        DCN 3.1.4, 3.2
        SMU 13.x
        NBIO 7.7
        GC 11.x
        PSP 13.x
        SDMA 6.x
        GMC 11.x
   - DSC passthrough support
   - PSP fixes for TA support
   - vangogh GFXOFF stats
   - clang fixes
   - gang submit CS cleanup prep work
   - fix VRAM eviction issues

  amdkfd:
   - GC 10.3 IP ISA fixes
   - fix CRIU regression
   - CPU fault on COW mapping fixes

  i915:
   - align fw versioning with kernel practices
   - add display substruct to i915 private
   - add initial runtime info to driver info
   - split out HDCP and backlight registers
   - MEI XeHP SDV GSC support
   - add per-gt sysfs defaults
   - TLB invalidation improvements
   - Disable PCI BAR resize on 32-bit
   - GuC firmware updates and compat changes
   - GuC log timestamp translation
   - DG2 preemption workaround changes
   - DG2 improved HDMI pixel clocks support
   - PCI BAR sanity checks
   - Enable DC5 on DG2
   - DG2 DMC fw bumped
   - ADL-S PCI ID added
   - Meteorlake enablement
   - Rename ggtt_view to gtt_view
   - host RPS fixes
   - release mmaps on rpm suspend on discrete
   - clocking and dpll refactoring
   - VBT definitions and parsing updates
   - SKL watermark code extracted to separate file
   - allow seamless M/N changes on eDP panels
   - BUG_ON removal and cleanups

  msm:
   - DPU:
       simplified VBIF configuration
       cleanup CTL interfaces
   - DSI:
       removed unused msm_display_dsc_config struct
       switch regulator calls to new API
       switched to PANEL_BRIDGE for direct attached panels
   - DSI_PHY: convert drivers to parent_hws
   - DP: cleanup pixel_rate handling
   - HDMI: turned hdmi-phy-8996 into OF clk provider
   - misc dt-bindings fixes
   - choose eDP as primary display if it's available
   - support getting interconnects from either the mdss or the mdp5/dpu
     device nodes
   - gem: Shrinker + LRU re-work:
   - adds a shared GEM LRU+shrinker helper and moves msm over to that
   - reduce lock contention between retire and submit by avoiding the
     need to acquire obj lock in retire path (and instead using resv
     seeing obj's busyness in the shrinker
   - fix reclaim vs submit issues
   - GEM fault injection for triggering userspace error paths
   - Map/unmap optimization
   - Improved robustness for a6xx GPU recovery

  virtio:
   - improve error and edge conditions handling
   - convert to use managed helpers
   - stop exposing LINEAR modifier

  mgag200:
   - split modeset handling per model

  udl:
   - suspend/disconnect handling improvements

  vc4:
   - rework HDMI power up
   - depend on PM
   - better unplugging support

  ast:
   - resolution handling improvements

  ingenic:
   - add JZ4760(B) support
   - avoid a modeset when sharpness property is unchanged
   - use the new PM ops

  it6505:
   - power seq and clock updates

  ssd130x:
   - regmap bulk write
   - use atomic helpers instead of simple helpers

  via:
   - rename via_drv to via_dri1, consolidate all code.

  radeon:
   - drop DP MST experimental support
   - delayed work flush fix
   - use time_after

  ti-sn65dsi86:
   - DP support

  mediatek:
   - MT8195 DP support
   - drop of_gpio header
   - remove unneeded result
   - small DP code improvements

  vkms:
   - RGB565, XRGB64 and ARGB64 support

  sun4i:
   - tv: convert to atomic

  rcar-du:
   - Synopsys DW HDMI bridge DT bindings update

  exynos:
   - use drm_display_info.is_hdmi
   - correct return of mixer_mode_valid and hdmi_mode_valid

  omap:
   - refcounting fix

  rockchip:
   - RK3568 support
   - RK3399 gamma support"

* tag 'drm-next-2022-10-05' of git://anongit.freedesktop.org/drm/drm: (1374 commits)
  drm/amdkfd: Fix UBSAN shift-out-of-bounds warning
  drm/amdkfd: Track unified memory when switching xnack mode
  drm/amdgpu: Enable sram on vcn_4_0_2
  drm/amdgpu: Enable VCN DPG for GC11_0_1
  drm/msm: Fix build break with recent mm tree
  drm/panel: simple: Use dev_err_probe() to simplify code
  drm/panel: panel-edp: Use dev_err_probe() to simplify code
  drm/panel: simple: Add Multi-Inno Technology MI0800FT-9
  dt-bindings: display: simple: Add Multi-Inno Technology MI0800FT-9 panel
  drm/amdgpu: correct the memcpy size for ip discovery firmware
  drm/amdgpu: Skip put_reset_domain if it doesn't exist
  drm/amdgpu: remove switch from amdgpu_gmc_noretry_set
  drm/amdgpu: Fix mc_umc_status used uninitialized warning
  drm/amd/display: Prevent OTG shutdown during PSR SU
  drm/amdgpu: add page retirement handling for CPU RAS
  drm/amdgpu: use RAS error address convert api in mca notifier
  drm/amdgpu: support to convert dedicated umc mca address
  drm/amdgpu: export umc error address convert interface
  drm/amdgpu: fix sdma v4 init microcode error
  drm/amd/display: fix array-bounds error in dc_stream_remove_writeback()
  ...

28 files changed, 563 insertions, 355 deletions

diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
index 9e3aff7e68bb..e934aab357be 100644
--- a/include/drm/display/drm_dp.h
+++ b/include/drm/display/drm_dp.h
@@ -239,6 +239,7 @@
 
 #define DP_DSC_SUPPORT                      0x060   /* DP 1.4 */
 # define DP_DSC_DECOMPRESSION_IS_SUPPORTED  (1 << 0)
+# define DP_DSC_PASSTHROUGH_IS_SUPPORTED    (1 << 1)
 
 #define DP_DSC_REV                          0x061
 # define DP_DSC_MAJOR_MASK                  (0xf << 0)
@@ -1536,6 +1537,8 @@ enum drm_dp_phy {
 #define DP_SDP_VSC_EXT_CEA		0x21 /* DP 1.4 */
 /* 0x80+ CEA-861 infoframe types */
 
+#define DP_SDP_AUDIO_INFOFRAME_HB2	0x1b
+
 /**
  * struct dp_sdp_header - DP secondary data packet header
  * @HB0: Secondary Data Packet ID
diff --git a/include/drm/display/drm_dp_helper.h b/include/drm/display/drm_dp_helper.h
index db0fe9f8a612..ab55453f2d2c 100644
--- a/include/drm/display/drm_dp_helper.h
+++ b/include/drm/display/drm_dp_helper.h
@@ -69,6 +69,8 @@ bool drm_dp_128b132b_link_training_failed(const u8 link_status[DP_LINK_STATUS_SI
 u8 drm_dp_link_rate_to_bw_code(int link_rate);
 int drm_dp_bw_code_to_link_rate(u8 link_bw);
 
+const char *drm_dp_phy_name(enum drm_dp_phy dp_phy);
+
 /**
  * struct drm_dp_vsc_sdp - drm DP VSC SDP
  *
diff --git a/include/drm/display/drm_dp_mst_helper.h b/include/drm/display/drm_dp_mst_helper.h
index 10adec068b7f..41fd8352ab65 100644
--- a/include/drm/display/drm_dp_mst_helper.h
+++ b/include/drm/display/drm_dp_mst_helper.h
@@ -49,20 +49,6 @@ struct drm_dp_mst_topology_ref_history {
 struct drm_dp_mst_branch;
 
 /**
- * struct drm_dp_vcpi - Virtual Channel Payload Identifier
- * @vcpi: Virtual channel ID.
- * @pbn: Payload Bandwidth Number for this channel
- * @aligned_pbn: PBN aligned with slot size
- * @num_slots: number of slots for this PBN
- */
-struct drm_dp_vcpi {
-	int vcpi;
-	int pbn;
-	int aligned_pbn;
-	int num_slots;
-};
-
-/**
  * struct drm_dp_mst_port - MST port
  * @port_num: port number
  * @input: if this port is an input port. Protected by
@@ -86,6 +72,8 @@ struct drm_dp_vcpi {
  * @next: link to next port on this branch device
  * @aux: i2c aux transport to talk to device connected to this port, protected
  * by &drm_dp_mst_topology_mgr.base.lock.
+ * @passthrough_aux: parent aux to which DSC pass-through requests should be
+ * sent, only set if DSC pass-through is possible.
  * @parent: branch device parent of this port
  * @vcpi: Virtual Channel Payload info for this port.
  * @connector: DRM connector this port is connected to. Protected by
@@ -140,9 +128,9 @@ struct drm_dp_mst_port {
 	 */
 	struct drm_dp_mst_branch *mstb;
 	struct drm_dp_aux aux; /* i2c bus for this port? */
+	struct drm_dp_aux *passthrough_aux;
 	struct drm_dp_mst_branch *parent;
 
-	struct drm_dp_vcpi vcpi;
 	struct drm_connector *connector;
 	struct drm_dp_mst_topology_mgr *mgr;
 
@@ -527,35 +515,104 @@ struct drm_dp_mst_topology_cbs {
 	void (*poll_hpd_irq)(struct drm_dp_mst_topology_mgr *mgr);
 };
 
-#define DP_MAX_PAYLOAD (sizeof(unsigned long) * 8)
-
-#define DP_PAYLOAD_LOCAL 1
-#define DP_PAYLOAD_REMOTE 2
-#define DP_PAYLOAD_DELETE_LOCAL 3
-
-struct drm_dp_payload {
-	int payload_state;
-	int start_slot;
-	int num_slots;
-	int vcpi;
-};
-
 #define to_dp_mst_topology_state(x) container_of(x, struct drm_dp_mst_topology_state, base)
 
-struct drm_dp_vcpi_allocation {
+/**
+ * struct drm_dp_mst_atomic_payload - Atomic state struct for an MST payload
+ *
+ * The primary atomic state structure for a given MST payload. Stores information like current
+ * bandwidth allocation, intended action for this payload, etc.
+ */
+struct drm_dp_mst_atomic_payload {
+	/** @port: The MST port assigned to this payload */
 	struct drm_dp_mst_port *port;
-	int vcpi;
+
+	/**
+	 * @vc_start_slot: The time slot that this payload starts on. Because payload start slots
+	 * can't be determined ahead of time, the contents of this value are UNDEFINED at atomic
+	 * check time. This shouldn't usually matter, as the start slot should never be relevant for
+	 * atomic state computations.
+	 *
+	 * Since this value is determined at commit time instead of check time, this value is
+	 * protected by the MST helpers ensuring that async commits operating on the given topology
+	 * never run in parallel. In the event that a driver does need to read this value (e.g. to
+	 * inform hardware of the starting timeslot for a payload), the driver may either:
+	 *
+	 * * Read this field during the atomic commit after
+	 *   drm_dp_mst_atomic_wait_for_dependencies() has been called, which will ensure the
+	 *   previous MST states payload start slots have been copied over to the new state. Note
+	 *   that a new start slot won't be assigned/removed from this payload until
+	 *   drm_dp_add_payload_part1()/drm_dp_remove_payload() have been called.
+	 * * Acquire the MST modesetting lock, and then wait for any pending MST-related commits to
+	 *   get committed to hardware by calling drm_crtc_commit_wait() on each of the
+	 *   &drm_crtc_commit structs in &drm_dp_mst_topology_state.commit_deps.
+	 *
+	 * If neither of the two above solutions suffice (e.g. the driver needs to read the start
+	 * slot in the middle of an atomic commit without waiting for some reason), then drivers
+	 * should cache this value themselves after changing payloads.
+	 */
+	s8 vc_start_slot;
+
+	/** @vcpi: The Virtual Channel Payload Identifier */
+	u8 vcpi;
+	/**
+	 * @time_slots:
+	 * The number of timeslots allocated to this payload from the source DP Tx to
+	 * the immediate downstream DP Rx
+	 */
+	int time_slots;
+	/** @pbn: The payload bandwidth for this payload */
 	int pbn;
-	bool dsc_enabled;
+
+	/** @delete: Whether or not we intend to delete this payload during this atomic commit */
+	bool delete : 1;
+	/** @dsc_enabled: Whether or not this payload has DSC enabled */
+	bool dsc_enabled : 1;
+
+	/** @next: The list node for this payload */
 	struct list_head next;
 };
 
+/**
+ * struct drm_dp_mst_topology_state - DisplayPort MST topology atomic state
+ *
+ * This struct represents the atomic state of the toplevel DisplayPort MST manager
+ */
 struct drm_dp_mst_topology_state {
+	/** @base: Base private state for atomic */
 	struct drm_private_state base;
-	struct list_head vcpis;
+
+	/** @mgr: The topology manager */
 	struct drm_dp_mst_topology_mgr *mgr;
+
+	/**
+	 * @pending_crtc_mask: A bitmask of all CRTCs this topology state touches, drivers may
+	 * modify this to add additional dependencies if needed.
+	 */
+	u32 pending_crtc_mask;
+	/**
+	 * @commit_deps: A list of all CRTC commits affecting this topology, this field isn't
+	 * populated until drm_dp_mst_atomic_wait_for_dependencies() is called.
+	 */
+	struct drm_crtc_commit **commit_deps;
+	/** @num_commit_deps: The number of CRTC commits in @commit_deps */
+	size_t num_commit_deps;
+
+	/** @payload_mask: A bitmask of allocated VCPIs, used for VCPI assignments */
+	u32 payload_mask;
+	/** @payloads: The list of payloads being created/destroyed in this state */
+	struct list_head payloads;
+
+	/** @total_avail_slots: The total number of slots this topology can handle (63 or 64) */
 	u8 total_avail_slots;
+	/** @start_slot: The first usable time slot in this topology (1 or 0) */
 	u8 start_slot;
+
+	/**
+	 * @pbn_div: The current PBN divisor for this topology. The driver is expected to fill this
+	 * out itself.
+	 */
+	int pbn_div;
 };
 
 #define to_dp_mst_topology_mgr(x) container_of(x, struct drm_dp_mst_topology_mgr, base)
@@ -596,14 +653,6 @@ struct drm_dp_mst_topology_mgr {
 	 */
 	int max_payloads;
 	/**
-	 * @max_lane_count: maximum number of lanes the GPU can drive.
-	 */
-	int max_lane_count;
-	/**
-	 * @max_link_rate: maximum link rate per lane GPU can output, in kHz.
-	 */
-	int max_link_rate;
-	/**
 	 * @conn_base_id: DRM connector ID this mgr is connected to. Only used
 	 * to build the MST connector path value.
 	 */
@@ -646,6 +695,20 @@ struct drm_dp_mst_topology_mgr {
 	bool payload_id_table_cleared : 1;
 
 	/**
+	 * @payload_count: The number of currently active payloads in hardware. This value is only
+	 * intended to be used internally by MST helpers for payload tracking, and is only safe to
+	 * read/write from the atomic commit (not check) context.
+	 */
+	u8 payload_count;
+
+	/**
+	 * @next_start_slot: The starting timeslot to use for new VC payloads. This value is used
+	 * internally by MST helpers for payload tracking, and is only safe to read/write from the
+	 * atomic commit (not check) context.
+	 */
+	u8 next_start_slot;
+
+	/**
 	 * @mst_primary: Pointer to the primary/first branch device.
 	 */
 	struct drm_dp_mst_branch *mst_primary;
@@ -658,10 +721,6 @@ struct drm_dp_mst_topology_mgr {
 	 * @sink_count: Sink count from DEVICE_SERVICE_IRQ_VECTOR_ESI0.
 	 */
 	u8 sink_count;
-	/**
-	 * @pbn_div: PBN to slots divisor.
-	 */
-	int pbn_div;
 
 	/**
 	 * @funcs: Atomic helper callbacks
@@ -679,32 +738,6 @@ struct drm_dp_mst_topology_mgr {
 	struct list_head tx_msg_downq;
 
 	/**
-	 * @payload_lock: Protect payload information.
-	 */
-	struct mutex payload_lock;
-	/**
-	 * @proposed_vcpis: Array of pointers for the new VCPI allocation. The
-	 * VCPI structure itself is &drm_dp_mst_port.vcpi, and the size of
-	 * this array is determined by @max_payloads.
-	 */
-	struct drm_dp_vcpi **proposed_vcpis;
-	/**
-	 * @payloads: Array of payloads. The size of this array is determined
-	 * by @max_payloads.
-	 */
-	struct drm_dp_payload *payloads;
-	/**
-	 * @payload_mask: Elements of @payloads actually in use. Since
-	 * reallocation of active outputs isn't possible gaps can be created by
-	 * disabling outputs out of order compared to how they've been enabled.
-	 */
-	unsigned long payload_mask;
-	/**
-	 * @vcpi_mask: Similar to @payload_mask, but for @proposed_vcpis.
-	 */
-	unsigned long vcpi_mask;
-
-	/**
 	 * @tx_waitq: Wait to queue stall for the tx worker.
 	 */
 	wait_queue_head_t tx_waitq;
@@ -775,9 +808,7 @@ struct drm_dp_mst_topology_mgr {
 int drm_dp_mst_topology_mgr_init(struct drm_dp_mst_topology_mgr *mgr,
 				 struct drm_device *dev, struct drm_dp_aux *aux,
 				 int max_dpcd_transaction_bytes,
-				 int max_payloads,
-				 int max_lane_count, int max_link_rate,
-				 int conn_base_id);
+				 int max_payloads, int conn_base_id);
 
 void drm_dp_mst_topology_mgr_destroy(struct drm_dp_mst_topology_mgr *mgr);
 
@@ -800,28 +831,17 @@ int drm_dp_get_vc_payload_bw(const struct drm_dp_mst_topology_mgr *mgr,
 
 int drm_dp_calc_pbn_mode(int clock, int bpp, bool dsc);
 
-bool drm_dp_mst_allocate_vcpi(struct drm_dp_mst_topology_mgr *mgr,
-			      struct drm_dp_mst_port *port, int pbn, int slots);
-
-int drm_dp_mst_get_vcpi_slots(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port);
-
-
-void drm_dp_mst_reset_vcpi_slots(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port);
-
 void drm_dp_mst_update_slots(struct drm_dp_mst_topology_state *mst_state, uint8_t link_encoding_cap);
 
-void drm_dp_mst_deallocate_vcpi(struct drm_dp_mst_topology_mgr *mgr,
-				struct drm_dp_mst_port *port);
-
-
-int drm_dp_find_vcpi_slots(struct drm_dp_mst_topology_mgr *mgr,
-			   int pbn);
-
-
-int drm_dp_update_payload_part1(struct drm_dp_mst_topology_mgr *mgr, int start_slot);
-
-
-int drm_dp_update_payload_part2(struct drm_dp_mst_topology_mgr *mgr);
+int drm_dp_add_payload_part1(struct drm_dp_mst_topology_mgr *mgr,
+			     struct drm_dp_mst_topology_state *mst_state,
+			     struct drm_dp_mst_atomic_payload *payload);
+int drm_dp_add_payload_part2(struct drm_dp_mst_topology_mgr *mgr,
+			     struct drm_atomic_state *state,
+			     struct drm_dp_mst_atomic_payload *payload);
+void drm_dp_remove_payload(struct drm_dp_mst_topology_mgr *mgr,
+			   struct drm_dp_mst_topology_state *mst_state,
+			   struct drm_dp_mst_atomic_payload *payload);
 
 int drm_dp_check_act_status(struct drm_dp_mst_topology_mgr *mgr);
 
@@ -843,36 +863,51 @@ int drm_dp_mst_connector_late_register(struct drm_connector *connector,
 void drm_dp_mst_connector_early_unregister(struct drm_connector *connector,
 					   struct drm_dp_mst_port *port);
 
-struct drm_dp_mst_topology_state *drm_atomic_get_mst_topology_state(struct drm_atomic_state *state,
-								    struct drm_dp_mst_topology_mgr *mgr);
+struct drm_dp_mst_topology_state *
+drm_atomic_get_mst_topology_state(struct drm_atomic_state *state,
+				  struct drm_dp_mst_topology_mgr *mgr);
+struct drm_dp_mst_topology_state *
+drm_atomic_get_new_mst_topology_state(struct drm_atomic_state *state,
+				      struct drm_dp_mst_topology_mgr *mgr);
+struct drm_dp_mst_atomic_payload *
+drm_atomic_get_mst_payload_state(struct drm_dp_mst_topology_state *state,
+				 struct drm_dp_mst_port *port);
 int __must_check
-drm_dp_atomic_find_vcpi_slots(struct drm_atomic_state *state,
+drm_dp_atomic_find_time_slots(struct drm_atomic_state *state,
 			      struct drm_dp_mst_topology_mgr *mgr,
-			      struct drm_dp_mst_port *port, int pbn,
-			      int pbn_div);
+			      struct drm_dp_mst_port *port, int pbn);
 int drm_dp_mst_atomic_enable_dsc(struct drm_atomic_state *state,
 				 struct drm_dp_mst_port *port,
-				 int pbn, int pbn_div,
-				 bool enable);
+				 int pbn, bool enable);
 int __must_check
 drm_dp_mst_add_affected_dsc_crtcs(struct drm_atomic_state *state,
 				  struct drm_dp_mst_topology_mgr *mgr);
 int __must_check
-drm_dp_atomic_release_vcpi_slots(struct drm_atomic_state *state,
+drm_dp_atomic_release_time_slots(struct drm_atomic_state *state,
 				 struct drm_dp_mst_topology_mgr *mgr,
 				 struct drm_dp_mst_port *port);
+void drm_dp_mst_atomic_wait_for_dependencies(struct drm_atomic_state *state);
+int __must_check drm_dp_mst_atomic_setup_commit(struct drm_atomic_state *state);
 int drm_dp_send_power_updown_phy(struct drm_dp_mst_topology_mgr *mgr,
 				 struct drm_dp_mst_port *port, bool power_up);
 int drm_dp_send_query_stream_enc_status(struct drm_dp_mst_topology_mgr *mgr,
 		struct drm_dp_mst_port *port,
 		struct drm_dp_query_stream_enc_status_ack_reply *status);
 int __must_check drm_dp_mst_atomic_check(struct drm_atomic_state *state);
+int __must_check drm_dp_mst_root_conn_atomic_check(struct drm_connector_state *new_conn_state,
+						   struct drm_dp_mst_topology_mgr *mgr);
 
 void drm_dp_mst_get_port_malloc(struct drm_dp_mst_port *port);
 void drm_dp_mst_put_port_malloc(struct drm_dp_mst_port *port);
 
 struct drm_dp_aux *drm_dp_mst_dsc_aux_for_port(struct drm_dp_mst_port *port);
 
+static inline struct drm_dp_mst_topology_state *
+to_drm_dp_mst_topology_state(struct drm_private_state *state)
+{
+	return container_of(state, struct drm_dp_mst_topology_state, base);
+}
+
 extern const struct drm_private_state_funcs drm_dp_mst_topology_state_funcs;
 
 /**
diff --git a/include/drm/drm_atomic_helper.h b/include/drm/drm_atomic_helper.h
index 2a0b17842402..06d8902a8097 100644
--- a/include/drm/drm_atomic_helper.h
+++ b/include/drm/drm_atomic_helper.h
@@ -34,12 +34,24 @@
 #include <drm/drm_atomic_state_helper.h>
 #include <drm/drm_util.h>
 
+/*
+ * Drivers that don't allow primary plane scaling may pass this macro in place
+ * of the min/max scale parameters of the plane-state checker function.
+ *
+ * Due to src being in 16.16 fixed point and dest being in integer pixels,
+ * 1<<16 represents no scaling.
+ */
+#define DRM_PLANE_NO_SCALING (1<<16)
+
 struct drm_atomic_state;
 struct drm_private_obj;
 struct drm_private_state;
 
 int drm_atomic_helper_check_modeset(struct drm_device *dev,
 				struct drm_atomic_state *state);
+int
+drm_atomic_helper_check_wb_encoder_state(struct drm_encoder *encoder,
+					 struct drm_connector_state *conn_state);
 int drm_atomic_helper_check_plane_state(struct drm_plane_state *plane_state,
 					const struct drm_crtc_state *crtc_state,
 					int min_scale,
diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h
index d434ab416ad4..6b65b0dfb4fb 100644
--- a/include/drm/drm_bridge.h
+++ b/include/drm/drm_bridge.h
@@ -930,6 +930,8 @@ struct drm_bridge *devm_drm_panel_bridge_add(struct device *dev,
 struct drm_bridge *devm_drm_panel_bridge_add_typed(struct device *dev,
 						   struct drm_panel *panel,
 						   u32 connector_type);
+struct drm_bridge *drmm_panel_bridge_add(struct drm_device *drm,
+					     struct drm_panel *panel);
 struct drm_connector *drm_panel_bridge_connector(struct drm_bridge *bridge);
 #else
 static inline bool drm_bridge_is_panel(const struct drm_bridge *bridge)
@@ -947,6 +949,8 @@ static inline int drm_panel_bridge_set_orientation(struct drm_connector *connect
 #if defined(CONFIG_OF) && defined(CONFIG_DRM_PANEL_BRIDGE)
 struct drm_bridge *devm_drm_of_get_bridge(struct device *dev, struct device_node *node,
 					  u32 port, u32 endpoint);
+struct drm_bridge *drmm_of_get_bridge(struct drm_device *drm, struct device_node *node,
+					  u32 port, u32 endpoint);
 #else
 static inline struct drm_bridge *devm_drm_of_get_bridge(struct device *dev,
 							struct device_node *node,
@@ -955,6 +959,14 @@ static inline struct drm_bridge *devm_drm_of_get_bridge(struct device *dev,
 {
 	return ERR_PTR(-ENODEV);
 }
+
+static inline struct drm_bridge *drmm_of_get_bridge(struct drm_device *drm,
+						     struct device_node *node,
+						     u32 port,
+						     u32 endpoint)
+{
+	return ERR_PTR(-ENODEV);
+}
 #endif
 
 #endif
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
index 7df7876b2ad5..56aee949c6fa 100644
--- a/include/drm/drm_connector.h
+++ b/include/drm/drm_connector.h
@@ -324,6 +324,22 @@ struct drm_monitor_range_info {
 };
 
 /**
+ * struct drm_luminance_range_info - Panel's luminance range for
+ * &drm_display_info. Calculated using data in EDID
+ *
+ * This struct is used to store a luminance range supported by panel
+ * as calculated using data from EDID's static hdr metadata.
+ *
+ * @min_luminance: This is the min supported luminance value
+ *
+ * @max_luminance: This is the max supported luminance value
+ */
+struct drm_luminance_range_info {
+	u32 min_luminance;
+	u32 max_luminance;
+};
+
+/**
  * enum drm_privacy_screen_status - privacy screen status
  *
  * This enum is used to track and control the state of the integrated privacy
@@ -625,6 +641,11 @@ struct drm_display_info {
 	struct drm_monitor_range_info monitor_range;
 
 	/**
+	 * @luminance_range: Luminance range supported by panel
+	 */
+	struct drm_luminance_range_info luminance_range;
+
+	/**
 	 * @mso_stream_count: eDP Multi-SST Operation (MSO) stream count from
 	 * the DisplayID VESA vendor block. 0 for conventional Single-Stream
 	 * Transport (SST), or 2 or 4 MSO streams.
@@ -1677,6 +1698,11 @@ int drm_connector_init_with_ddc(struct drm_device *dev,
 				const struct drm_connector_funcs *funcs,
 				int connector_type,
 				struct i2c_adapter *ddc);
+int drmm_connector_init(struct drm_device *dev,
+			struct drm_connector *connector,
+			const struct drm_connector_funcs *funcs,
+			int connector_type,
+			struct i2c_adapter *ddc);
 void drm_connector_attach_edid_property(struct drm_connector *connector);
 int drm_connector_register(struct drm_connector *connector);
 void drm_connector_unregister(struct drm_connector *connector);
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index ffc1cde331d3..8e1cbc75143e 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -1216,6 +1216,15 @@ int drm_crtc_init_with_planes(struct drm_device *dev,
 			      struct drm_plane *cursor,
 			      const struct drm_crtc_funcs *funcs,
 			      const char *name, ...);
+
+__printf(6, 7)
+int drmm_crtc_init_with_planes(struct drm_device *dev,
+			       struct drm_crtc *crtc,
+			       struct drm_plane *primary,
+			       struct drm_plane *cursor,
+			       const struct drm_crtc_funcs *funcs,
+			       const char *name, ...);
+
 void drm_crtc_cleanup(struct drm_crtc *crtc);
 
 __printf(7, 8)
diff --git a/include/drm/drm_encoder.h b/include/drm/drm_encoder.h
index 6e91a0280f31..3a09682af685 100644
--- a/include/drm/drm_encoder.h
+++ b/include/drm/drm_encoder.h
@@ -194,6 +194,12 @@ int drm_encoder_init(struct drm_device *dev,
 		     const struct drm_encoder_funcs *funcs,
 		     int encoder_type, const char *name, ...);
 
+__printf(5, 6)
+int drmm_encoder_init(struct drm_device *dev,
+		      struct drm_encoder *encoder,
+		      const struct drm_encoder_funcs *funcs,
+		      int encoder_type, const char *name, ...);
+
 __printf(6, 7)
 void *__drmm_encoder_alloc(struct drm_device *dev,
 			   size_t size, size_t offset,
diff --git a/include/drm/drm_fb_cma_helper.h b/include/drm/drm_fb_dma_helper.h
index 6447e34528f8..d5e036c57801 100644
--- a/include/drm/drm_fb_cma_helper.h
+++ b/include/drm/drm_fb_dma_helper.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __DRM_FB_CMA_HELPER_H__
-#define __DRM_FB_CMA_HELPER_H__
+#ifndef __DRM_FB_DMA_HELPER_H__
+#define __DRM_FB_DMA_HELPER_H__
 
 #include <linux/types.h>
 
@@ -8,14 +8,14 @@ struct drm_device;
 struct drm_framebuffer;
 struct drm_plane_state;
 
-struct drm_gem_cma_object *drm_fb_cma_get_gem_obj(struct drm_framebuffer *fb,
+struct drm_gem_dma_object *drm_fb_dma_get_gem_obj(struct drm_framebuffer *fb,
 	unsigned int plane);
 
-dma_addr_t drm_fb_cma_get_gem_addr(struct drm_framebuffer *fb,
+dma_addr_t drm_fb_dma_get_gem_addr(struct drm_framebuffer *fb,
 				   struct drm_plane_state *state,
 				   unsigned int plane);
 
-void drm_fb_cma_sync_non_coherent(struct drm_device *drm,
+void drm_fb_dma_sync_non_coherent(struct drm_device *drm,
 				  struct drm_plane_state *old_state,
 				  struct drm_plane_state *state);
 
diff --git a/include/drm/drm_file.h b/include/drm/drm_file.h
index e0a73a1e2df7..d780fd151789 100644
--- a/include/drm/drm_file.h
+++ b/include/drm/drm_file.h
@@ -421,13 +421,4 @@ void drm_send_event_timestamp_locked(struct drm_device *dev,
 
 struct file *mock_drm_getfile(struct drm_minor *minor, unsigned int flags);
 
-#ifdef CONFIG_MMU
-struct drm_vma_offset_manager;
-unsigned long drm_get_unmapped_area(struct file *file,
-				    unsigned long uaddr, unsigned long len,
-				    unsigned long pgoff, unsigned long flags,
-				    struct drm_vma_offset_manager *mgr);
-#endif /* CONFIG_MMU */
-
-
 #endif /* _DRM_FILE_H_ */
diff --git a/include/drm/drm_format_helper.h b/include/drm/drm_format_helper.h
index 55145eca0782..eb5c98cf82b8 100644
--- a/include/drm/drm_format_helper.h
+++ b/include/drm/drm_format_helper.h
@@ -6,44 +6,51 @@
 #ifndef __LINUX_DRM_FORMAT_HELPER_H
 #define __LINUX_DRM_FORMAT_HELPER_H
 
+#include <linux/types.h>
+
+struct drm_device;
 struct drm_format_info;
 struct drm_framebuffer;
 struct drm_rect;
 
+struct iosys_map;
+
 unsigned int drm_fb_clip_offset(unsigned int pitch, const struct drm_format_info *format,
 				const struct drm_rect *clip);
 
-void drm_fb_memcpy(void *dst, unsigned int dst_pitch, const void *vaddr,
-		   const struct drm_framebuffer *fb, const struct drm_rect *clip);
-void drm_fb_memcpy_toio(void __iomem *dst, unsigned int dst_pitch, const void *vaddr,
-			const struct drm_framebuffer *fb, const struct drm_rect *clip);
-void drm_fb_swab(void *dst, unsigned int dst_pitch, const void *src,
-		 const struct drm_framebuffer *fb, const struct drm_rect *clip,
-		 bool cached);
-void drm_fb_xrgb8888_to_rgb332(void *dst, unsigned int dst_pitch, const void *vaddr,
-			       const struct drm_framebuffer *fb, const struct drm_rect *clip);
-void drm_fb_xrgb8888_to_rgb565(void *dst, unsigned int dst_pitch, const void *vaddr,
-			       const struct drm_framebuffer *fb, const struct drm_rect *clip,
-			       bool swab);
-void drm_fb_xrgb8888_to_rgb565_toio(void __iomem *dst, unsigned int dst_pitch,
-				    const void *vaddr, const struct drm_framebuffer *fb,
-				    const struct drm_rect *clip, bool swab);
-void drm_fb_xrgb8888_to_rgb888(void *dst, unsigned int dst_pitch, const void *src,
-			       const struct drm_framebuffer *fb, const struct drm_rect *clip);
-void drm_fb_xrgb8888_to_rgb888_toio(void __iomem *dst, unsigned int dst_pitch,
-				    const void *vaddr, const struct drm_framebuffer *fb,
+void drm_fb_memcpy(struct iosys_map *dst, const unsigned int *dst_pitch,
+		   const struct iosys_map *src, const struct drm_framebuffer *fb,
+		   const struct drm_rect *clip);
+void drm_fb_swab(struct iosys_map *dst, const unsigned int *dst_pitch,
+		 const struct iosys_map *src, const struct drm_framebuffer *fb,
+		 const struct drm_rect *clip, bool cached);
+void drm_fb_xrgb8888_to_rgb332(struct iosys_map *dst, const unsigned int *dst_pitch,
+			       const struct iosys_map *src, const struct drm_framebuffer *fb,
+			       const struct drm_rect *clip);
+void drm_fb_xrgb8888_to_rgb565(struct iosys_map *dst, const unsigned int *dst_pitch,
+			       const struct iosys_map *src, const struct drm_framebuffer *fb,
+			       const struct drm_rect *clip, bool swab);
+void drm_fb_xrgb8888_to_rgb888(struct iosys_map *dst, const unsigned int *dst_pitch,
+			       const struct iosys_map *src, const struct drm_framebuffer *fb,
+			       const struct drm_rect *clip);
+void drm_fb_xrgb8888_to_xrgb2101010(struct iosys_map *dst, const unsigned int *dst_pitch,
+				    const struct iosys_map *src, const struct drm_framebuffer *fb,
 				    const struct drm_rect *clip);
-void drm_fb_xrgb8888_to_xrgb2101010_toio(void __iomem *dst, unsigned int dst_pitch,
-					 const void *vaddr, const struct drm_framebuffer *fb,
-					 const struct drm_rect *clip);
-void drm_fb_xrgb8888_to_gray8(void *dst, unsigned int dst_pitch, const void *vaddr,
-			      const struct drm_framebuffer *fb, const struct drm_rect *clip);
-
-int drm_fb_blit_toio(void __iomem *dst, unsigned int dst_pitch, uint32_t dst_format,
-		     const void *vmap, const struct drm_framebuffer *fb,
-		     const struct drm_rect *rect);
-
-void drm_fb_xrgb8888_to_mono(void *dst, unsigned int dst_pitch, const void *src,
-			     const struct drm_framebuffer *fb, const struct drm_rect *clip);
+void drm_fb_xrgb8888_to_gray8(struct iosys_map *dst, const unsigned int *dst_pitch,
+			      const struct iosys_map *src, const struct drm_framebuffer *fb,
+			      const struct drm_rect *clip);
+
+int drm_fb_blit(struct iosys_map *dst, const unsigned int *dst_pitch, uint32_t dst_format,
+		const struct iosys_map *src, const struct drm_framebuffer *fb,
+		const struct drm_rect *rect);
+
+void drm_fb_xrgb8888_to_mono(struct iosys_map *dst, const unsigned int *dst_pitch,
+			     const struct iosys_map *src, const struct drm_framebuffer *fb,
+			     const struct drm_rect *clip);
+
+size_t drm_fb_build_fourcc_list(struct drm_device *dev,
+				const u32 *native_fourccs, size_t native_nfourccs,
+				const u32 *extra_fourccs, size_t extra_nfourccs,
+				u32 *fourccs_out, size_t nfourccs_out);
 
 #endif /* __LINUX_DRM_FORMAT_HELPER_H */
diff --git a/include/drm/drm_fourcc.h b/include/drm/drm_fourcc.h
index 22aa64d07c79..532ae78ca747 100644
--- a/include/drm/drm_fourcc.h
+++ b/include/drm/drm_fourcc.h
@@ -138,6 +138,9 @@ struct drm_format_info {
 
 	/** @is_yuv: Is it a YUV format? */
 	bool is_yuv;
+
+	/** @is_color_indexed: Is it a color-indexed format? */
+	bool is_color_indexed;
 };
 
 /**
@@ -313,6 +316,7 @@ unsigned int drm_format_info_block_width(const struct drm_format_info *info,
 					 int plane);
 unsigned int drm_format_info_block_height(const struct drm_format_info *info,
 					  int plane);
+unsigned int drm_format_info_bpp(const struct drm_format_info *info, int plane);
 uint64_t drm_format_info_min_pitch(const struct drm_format_info *info,
 				   int plane, unsigned int buffer_width);
 
diff --git a/include/drm/drm_framebuffer.h b/include/drm/drm_framebuffer.h
index f67c5b7bcb68..0dcc07b68654 100644
--- a/include/drm/drm_framebuffer.h
+++ b/include/drm/drm_framebuffer.h
@@ -154,10 +154,10 @@ struct drm_framebuffer {
 	 * drm_mode_fb_cmd2.
 	 *
 	 * Note that this is a linear offset and does not take into account
-	 * tiling or buffer laytou per @modifier. It meant to be used when the
-	 * actual pixel data for this framebuffer plane starts at an offset,
-	 * e.g.  when multiple planes are allocated within the same backing
-	 * storage buffer object. For tiled layouts this generally means it
+	 * tiling or buffer layout per @modifier. It is meant to be used when
+	 * the actual pixel data for this framebuffer plane starts at an offset,
+	 * e.g. when multiple planes are allocated within the same backing
+	 * storage buffer object. For tiled layouts this generally means its
 	 * @offsets must at least be tile-size aligned, but hardware often has
 	 * stricter requirements.
 	 *
diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h
index 87cffc9efa85..bd42f25e449c 100644
--- a/include/drm/drm_gem.h
+++ b/include/drm/drm_gem.h
@@ -175,6 +175,41 @@ struct drm_gem_object_funcs {
 };
 
 /**
+ * struct drm_gem_lru - A simple LRU helper
+ *
+ * A helper for tracking GEM objects in a given state, to aid in
+ * driver's shrinker implementation.  Tracks the count of pages
+ * for lockless &shrinker.count_objects, and provides
+ * &drm_gem_lru_scan for driver's &shrinker.scan_objects
+ * implementation.
+ */
+struct drm_gem_lru {
+	/**
+	 * @lock:
+	 *
+	 * Lock protecting movement of GEM objects between LRUs.  All
+	 * LRUs that the object can move between should be protected
+	 * by the same lock.
+	 */
+	struct mutex *lock;
+
+	/**
+	 * @count:
+	 *
+	 * The total number of backing pages of the GEM objects in
+	 * this LRU.
+	 */
+	long count;
+
+	/**
+	 * @list:
+	 *
+	 * The LRU list.
+	 */
+	struct list_head list;
+};
+
+/**
  * struct drm_gem_object - GEM buffer object
  *
  * This structure defines the generic parts for GEM buffer objects, which are
@@ -217,7 +252,7 @@ struct drm_gem_object {
 	 *
 	 * SHMEM file node used as backing storage for swappable buffer objects.
 	 * GEM also supports driver private objects with driver-specific backing
-	 * storage (contiguous CMA memory, special reserved blocks). In this
+	 * storage (contiguous DMA memory, special reserved blocks). In this
 	 * case @filp is NULL.
 	 */
 	struct file *filp;
@@ -312,6 +347,20 @@ struct drm_gem_object {
 	 *
 	 */
 	const struct drm_gem_object_funcs *funcs;
+
+	/**
+	 * @lru_node:
+	 *
+	 * List node in a &drm_gem_lru.
+	 */
+	struct list_head lru_node;
+
+	/**
+	 * @lru:
+	 *
+	 * The current LRU list that the GEM object is on.
+	 */
+	struct drm_gem_lru *lru;
 };
 
 /**
@@ -420,4 +469,10 @@ void drm_gem_unlock_reservations(struct drm_gem_object **objs, int count,
 int drm_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,
 			    u32 handle, u64 *offset);
 
+void drm_gem_lru_init(struct drm_gem_lru *lru, struct mutex *lock);
+void drm_gem_lru_remove(struct drm_gem_object *obj);
+void drm_gem_lru_move_tail(struct drm_gem_lru *lru, struct drm_gem_object *obj);
+unsigned long drm_gem_lru_scan(struct drm_gem_lru *lru, unsigned nr_to_scan,
+			       bool (*shrink)(struct drm_gem_object *obj));
+
 #endif /* __DRM_GEM_H__ */
diff --git a/include/drm/drm_gem_cma_helper.h b/include/drm/drm_gem_dma_helper.h
index fbda4ce5d5fb..8a043235dad8 100644
--- a/include/drm/drm_gem_cma_helper.h
+++ b/include/drm/drm_gem_dma_helper.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __DRM_GEM_CMA_HELPER_H__
-#define __DRM_GEM_CMA_HELPER_H__
+#ifndef __DRM_GEM_DMA_HELPER_H__
+#define __DRM_GEM_DMA_HELPER_H__
 
 #include <drm/drm_file.h>
 #include <drm/drm_ioctl.h>
@@ -9,128 +9,128 @@
 struct drm_mode_create_dumb;
 
 /**
- * struct drm_gem_cma_object - GEM object backed by CMA memory allocations
+ * struct drm_gem_dma_object - GEM object backed by DMA memory allocations
  * @base: base GEM object
- * @paddr: physical address of the backing memory
+ * @dma_addr: DMA address of the backing memory
  * @sgt: scatter/gather table for imported PRIME buffers. The table can have
  *       more than one entry but they are guaranteed to have contiguous
  *       DMA addresses.
  * @vaddr: kernel virtual address of the backing memory
  * @map_noncoherent: if true, the GEM object is backed by non-coherent memory
  */
-struct drm_gem_cma_object {
+struct drm_gem_dma_object {
 	struct drm_gem_object base;
-	dma_addr_t paddr;
+	dma_addr_t dma_addr;
 	struct sg_table *sgt;
 
-	/* For objects with DMA memory allocated by GEM CMA */
+	/* For objects with DMA memory allocated by GEM DMA */
 	void *vaddr;
 
 	bool map_noncoherent;
 };
 
-#define to_drm_gem_cma_obj(gem_obj) \
-	container_of(gem_obj, struct drm_gem_cma_object, base)
+#define to_drm_gem_dma_obj(gem_obj) \
+	container_of(gem_obj, struct drm_gem_dma_object, base)
 
-struct drm_gem_cma_object *drm_gem_cma_create(struct drm_device *drm,
+struct drm_gem_dma_object *drm_gem_dma_create(struct drm_device *drm,
 					      size_t size);
-void drm_gem_cma_free(struct drm_gem_cma_object *cma_obj);
-void drm_gem_cma_print_info(const struct drm_gem_cma_object *cma_obj,
+void drm_gem_dma_free(struct drm_gem_dma_object *dma_obj);
+void drm_gem_dma_print_info(const struct drm_gem_dma_object *dma_obj,
 			    struct drm_printer *p, unsigned int indent);
-struct sg_table *drm_gem_cma_get_sg_table(struct drm_gem_cma_object *cma_obj);
-int drm_gem_cma_vmap(struct drm_gem_cma_object *cma_obj,
+struct sg_table *drm_gem_dma_get_sg_table(struct drm_gem_dma_object *dma_obj);
+int drm_gem_dma_vmap(struct drm_gem_dma_object *dma_obj,
 		     struct iosys_map *map);
-int drm_gem_cma_mmap(struct drm_gem_cma_object *cma_obj, struct vm_area_struct *vma);
+int drm_gem_dma_mmap(struct drm_gem_dma_object *dma_obj, struct vm_area_struct *vma);
 
-extern const struct vm_operations_struct drm_gem_cma_vm_ops;
+extern const struct vm_operations_struct drm_gem_dma_vm_ops;
 
 /*
  * GEM object functions
  */
 
 /**
- * drm_gem_cma_object_free - GEM object function for drm_gem_cma_free()
+ * drm_gem_dma_object_free - GEM object function for drm_gem_dma_free()
  * @obj: GEM object to free
  *
- * This function wraps drm_gem_cma_free_object(). Drivers that employ the CMA helpers
+ * This function wraps drm_gem_dma_free_object(). Drivers that employ the DMA helpers
  * should use it as their &drm_gem_object_funcs.free handler.
  */
-static inline void drm_gem_cma_object_free(struct drm_gem_object *obj)
+static inline void drm_gem_dma_object_free(struct drm_gem_object *obj)
 {
-	struct drm_gem_cma_object *cma_obj = to_drm_gem_cma_obj(obj);
+	struct drm_gem_dma_object *dma_obj = to_drm_gem_dma_obj(obj);
 
-	drm_gem_cma_free(cma_obj);
+	drm_gem_dma_free(dma_obj);
 }
 
 /**
- * drm_gem_cma_object_print_info() - Print &drm_gem_cma_object info for debugfs
+ * drm_gem_dma_object_print_info() - Print &drm_gem_dma_object info for debugfs
  * @p: DRM printer
  * @indent: Tab indentation level
  * @obj: GEM object
  *
- * This function wraps drm_gem_cma_print_info(). Drivers that employ the CMA helpers
+ * This function wraps drm_gem_dma_print_info(). Drivers that employ the DMA helpers
  * should use this function as their &drm_gem_object_funcs.print_info handler.
  */
-static inline void drm_gem_cma_object_print_info(struct drm_printer *p, unsigned int indent,
+static inline void drm_gem_dma_object_print_info(struct drm_printer *p, unsigned int indent,
 						 const struct drm_gem_object *obj)
 {
-	const struct drm_gem_cma_object *cma_obj = to_drm_gem_cma_obj(obj);
+	const struct drm_gem_dma_object *dma_obj = to_drm_gem_dma_obj(obj);
 
-	drm_gem_cma_print_info(cma_obj, p, indent);
+	drm_gem_dma_print_info(dma_obj, p, indent);
 }
 
 /**
- * drm_gem_cma_object_get_sg_table - GEM object function for drm_gem_cma_get_sg_table()
+ * drm_gem_dma_object_get_sg_table - GEM object function for drm_gem_dma_get_sg_table()
  * @obj: GEM object
  *
- * This function wraps drm_gem_cma_get_sg_table(). Drivers that employ the CMA helpers should
+ * This function wraps drm_gem_dma_get_sg_table(). Drivers that employ the DMA helpers should
  * use it as their &drm_gem_object_funcs.get_sg_table handler.
  *
  * Returns:
  * A pointer to the scatter/gather table of pinned pages or NULL on failure.
  */
-static inline struct sg_table *drm_gem_cma_object_get_sg_table(struct drm_gem_object *obj)
+static inline struct sg_table *drm_gem_dma_object_get_sg_table(struct drm_gem_object *obj)
 {
-	struct drm_gem_cma_object *cma_obj = to_drm_gem_cma_obj(obj);
+	struct drm_gem_dma_object *dma_obj = to_drm_gem_dma_obj(obj);
 
-	return drm_gem_cma_get_sg_table(cma_obj);
+	return drm_gem_dma_get_sg_table(dma_obj);
 }
 
 /*
- * drm_gem_cma_object_vmap - GEM object function for drm_gem_cma_vmap()
+ * drm_gem_dma_object_vmap - GEM object function for drm_gem_dma_vmap()
  * @obj: GEM object
- * @map: Returns the kernel virtual address of the CMA GEM object's backing store.
+ * @map: Returns the kernel virtual address of the DMA GEM object's backing store.
  *
- * This function wraps drm_gem_cma_vmap(). Drivers that employ the CMA helpers should
+ * This function wraps drm_gem_dma_vmap(). Drivers that employ the DMA helpers should
  * use it as their &drm_gem_object_funcs.vmap handler.
  *
  * Returns:
  * 0 on success or a negative error code on failure.
  */
-static inline int drm_gem_cma_object_vmap(struct drm_gem_object *obj,
+static inline int drm_gem_dma_object_vmap(struct drm_gem_object *obj,
 					  struct iosys_map *map)
 {
-	struct drm_gem_cma_object *cma_obj = to_drm_gem_cma_obj(obj);
+	struct drm_gem_dma_object *dma_obj = to_drm_gem_dma_obj(obj);
 
-	return drm_gem_cma_vmap(cma_obj, map);
+	return drm_gem_dma_vmap(dma_obj, map);
 }
 
 /**
- * drm_gem_cma_object_mmap - GEM object function for drm_gem_cma_mmap()
+ * drm_gem_dma_object_mmap - GEM object function for drm_gem_dma_mmap()
  * @obj: GEM object
  * @vma: VMA for the area to be mapped
  *
- * This function wraps drm_gem_cma_mmap(). Drivers that employ the cma helpers should
+ * This function wraps drm_gem_dma_mmap(). Drivers that employ the dma helpers should
  * use it as their &drm_gem_object_funcs.mmap handler.
  *
  * Returns:
  * 0 on success or a negative error code on failure.
  */
-static inline int drm_gem_cma_object_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma)
+static inline int drm_gem_dma_object_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma)
 {
-	struct drm_gem_cma_object *cma_obj = to_drm_gem_cma_obj(obj);
+	struct drm_gem_dma_object *dma_obj = to_drm_gem_dma_obj(obj);
 
-	return drm_gem_cma_mmap(cma_obj, vma);
+	return drm_gem_dma_mmap(dma_obj, vma);
 }
 
 /*
@@ -138,57 +138,57 @@ static inline int drm_gem_cma_object_mmap(struct drm_gem_object *obj, struct vm_
  */
 
 /* create memory region for DRM framebuffer */
-int drm_gem_cma_dumb_create_internal(struct drm_file *file_priv,
+int drm_gem_dma_dumb_create_internal(struct drm_file *file_priv,
 				     struct drm_device *drm,
 				     struct drm_mode_create_dumb *args);
 
 /* create memory region for DRM framebuffer */
-int drm_gem_cma_dumb_create(struct drm_file *file_priv,
+int drm_gem_dma_dumb_create(struct drm_file *file_priv,
 			    struct drm_device *drm,
 			    struct drm_mode_create_dumb *args);
 
 struct drm_gem_object *
-drm_gem_cma_prime_import_sg_table(struct drm_device *dev,
+drm_gem_dma_prime_import_sg_table(struct drm_device *dev,
 				  struct dma_buf_attachment *attach,
 				  struct sg_table *sgt);
 
 /**
- * DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE - CMA GEM driver operations
+ * DRM_GEM_DMA_DRIVER_OPS_WITH_DUMB_CREATE - DMA GEM driver operations
  * @dumb_create_func: callback function for .dumb_create
  *
  * This macro provides a shortcut for setting the default GEM operations in the
  * &drm_driver structure.
  *
- * This macro is a variant of DRM_GEM_CMA_DRIVER_OPS for drivers that
+ * This macro is a variant of DRM_GEM_DMA_DRIVER_OPS for drivers that
  * override the default implementation of &struct rm_driver.dumb_create. Use
- * DRM_GEM_CMA_DRIVER_OPS if possible. Drivers that require a virtual address
+ * DRM_GEM_DMA_DRIVER_OPS if possible. Drivers that require a virtual address
  * on imported buffers should use
- * DRM_GEM_CMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE() instead.
+ * DRM_GEM_DMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE() instead.
  */
-#define DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE(dumb_create_func) \
+#define DRM_GEM_DMA_DRIVER_OPS_WITH_DUMB_CREATE(dumb_create_func) \
 	.dumb_create		= (dumb_create_func), \
 	.prime_handle_to_fd	= drm_gem_prime_handle_to_fd, \
 	.prime_fd_to_handle	= drm_gem_prime_fd_to_handle, \
-	.gem_prime_import_sg_table = drm_gem_cma_prime_import_sg_table, \
+	.gem_prime_import_sg_table = drm_gem_dma_prime_import_sg_table, \
 	.gem_prime_mmap		= drm_gem_prime_mmap
 
 /**
- * DRM_GEM_CMA_DRIVER_OPS - CMA GEM driver operations
+ * DRM_GEM_DMA_DRIVER_OPS - DMA GEM driver operations
  *
  * This macro provides a shortcut for setting the default GEM operations in the
  * &drm_driver structure.
  *
  * Drivers that come with their own implementation of
  * &struct drm_driver.dumb_create should use
- * DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE() instead. Use
- * DRM_GEM_CMA_DRIVER_OPS if possible. Drivers that require a virtual address
- * on imported buffers should use DRM_GEM_CMA_DRIVER_OPS_VMAP instead.
+ * DRM_GEM_DMA_DRIVER_OPS_WITH_DUMB_CREATE() instead. Use
+ * DRM_GEM_DMA_DRIVER_OPS if possible. Drivers that require a virtual address
+ * on imported buffers should use DRM_GEM_DMA_DRIVER_OPS_VMAP instead.
  */
-#define DRM_GEM_CMA_DRIVER_OPS \
-	DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE(drm_gem_cma_dumb_create)
+#define DRM_GEM_DMA_DRIVER_OPS \
+	DRM_GEM_DMA_DRIVER_OPS_WITH_DUMB_CREATE(drm_gem_dma_dumb_create)
 
 /**
- * DRM_GEM_CMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE - CMA GEM driver operations
+ * DRM_GEM_DMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE - DMA GEM driver operations
  *                                                ensuring a virtual address
  *                                                on the buffer
  * @dumb_create_func: callback function for .dumb_create
@@ -197,21 +197,21 @@ drm_gem_cma_prime_import_sg_table(struct drm_device *dev,
  * &drm_driver structure for drivers that need the virtual address also on
  * imported buffers.
  *
- * This macro is a variant of DRM_GEM_CMA_DRIVER_OPS_VMAP for drivers that
+ * This macro is a variant of DRM_GEM_DMA_DRIVER_OPS_VMAP for drivers that
  * override the default implementation of &struct drm_driver.dumb_create. Use
- * DRM_GEM_CMA_DRIVER_OPS_VMAP if possible. Drivers that do not require a
+ * DRM_GEM_DMA_DRIVER_OPS_VMAP if possible. Drivers that do not require a
  * virtual address on imported buffers should use
- * DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE() instead.
+ * DRM_GEM_DMA_DRIVER_OPS_WITH_DUMB_CREATE() instead.
  */
-#define DRM_GEM_CMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE(dumb_create_func) \
+#define DRM_GEM_DMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE(dumb_create_func) \
 	.dumb_create		= dumb_create_func, \
 	.prime_handle_to_fd	= drm_gem_prime_handle_to_fd, \
 	.prime_fd_to_handle	= drm_gem_prime_fd_to_handle, \
-	.gem_prime_import_sg_table = drm_gem_cma_prime_import_sg_table_vmap, \
+	.gem_prime_import_sg_table = drm_gem_dma_prime_import_sg_table_vmap, \
 	.gem_prime_mmap		= drm_gem_prime_mmap
 
 /**
- * DRM_GEM_CMA_DRIVER_OPS_VMAP - CMA GEM driver operations ensuring a virtual
+ * DRM_GEM_DMA_DRIVER_OPS_VMAP - DMA GEM driver operations ensuring a virtual
  *                               address on the buffer
  *
  * This macro provides a shortcut for setting the default GEM operations in the
@@ -220,16 +220,16 @@ drm_gem_cma_prime_import_sg_table(struct drm_device *dev,
  *
  * Drivers that come with their own implementation of
  * &struct drm_driver.dumb_create should use
- * DRM_GEM_CMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE() instead. Use
- * DRM_GEM_CMA_DRIVER_OPS_VMAP if possible. Drivers that do not require a
- * virtual address on imported buffers should use DRM_GEM_CMA_DRIVER_OPS
+ * DRM_GEM_DMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE() instead. Use
+ * DRM_GEM_DMA_DRIVER_OPS_VMAP if possible. Drivers that do not require a
+ * virtual address on imported buffers should use DRM_GEM_DMA_DRIVER_OPS
  * instead.
  */
-#define DRM_GEM_CMA_DRIVER_OPS_VMAP \
-	DRM_GEM_CMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE(drm_gem_cma_dumb_create)
+#define DRM_GEM_DMA_DRIVER_OPS_VMAP \
+	DRM_GEM_DMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE(drm_gem_dma_dumb_create)
 
 struct drm_gem_object *
-drm_gem_cma_prime_import_sg_table_vmap(struct drm_device *drm,
+drm_gem_dma_prime_import_sg_table_vmap(struct drm_device *drm,
 				       struct dma_buf_attachment *attach,
 				       struct sg_table *sgt);
 
@@ -238,22 +238,22 @@ drm_gem_cma_prime_import_sg_table_vmap(struct drm_device *drm,
  */
 
 #ifndef CONFIG_MMU
-unsigned long drm_gem_cma_get_unmapped_area(struct file *filp,
+unsigned long drm_gem_dma_get_unmapped_area(struct file *filp,
 					    unsigned long addr,
 					    unsigned long len,
 					    unsigned long pgoff,
 					    unsigned long flags);
-#define DRM_GEM_CMA_UNMAPPED_AREA_FOPS \
-	.get_unmapped_area	= drm_gem_cma_get_unmapped_area,
+#define DRM_GEM_DMA_UNMAPPED_AREA_FOPS \
+	.get_unmapped_area	= drm_gem_dma_get_unmapped_area,
 #else
-#define DRM_GEM_CMA_UNMAPPED_AREA_FOPS
+#define DRM_GEM_DMA_UNMAPPED_AREA_FOPS
 #endif
 
 /**
- * DEFINE_DRM_GEM_CMA_FOPS() - macro to generate file operations for CMA drivers
+ * DEFINE_DRM_GEM_DMA_FOPS() - macro to generate file operations for DMA drivers
  * @name: name for the generated structure
  *
- * This macro autogenerates a suitable &struct file_operations for CMA based
+ * This macro autogenerates a suitable &struct file_operations for DMA based
  * drivers, which can be assigned to &drm_driver.fops. Note that this structure
  * cannot be shared between drivers, because it contains a reference to the
  * current module using THIS_MODULE.
@@ -262,7 +262,7 @@ unsigned long drm_gem_cma_get_unmapped_area(struct file *filp,
  * non-static version of this you're probably doing it wrong and will break the
  * THIS_MODULE reference by accident.
  */
-#define DEFINE_DRM_GEM_CMA_FOPS(name) \
+#define DEFINE_DRM_GEM_DMA_FOPS(name) \
 	static const struct file_operations name = {\
 		.owner		= THIS_MODULE,\
 		.open		= drm_open,\
@@ -273,7 +273,7 @@ unsigned long drm_gem_cma_get_unmapped_area(struct file *filp,
 		.read		= drm_read,\
 		.llseek		= noop_llseek,\
 		.mmap		= drm_gem_mmap,\
-		DRM_GEM_CMA_UNMAPPED_AREA_FOPS \
+		DRM_GEM_DMA_UNMAPPED_AREA_FOPS \
 	}
 
-#endif /* __DRM_GEM_CMA_HELPER_H__ */
+#endif /* __DRM_GEM_DMA_HELPER_H__ */
diff --git a/include/drm/drm_gem_shmem_helper.h b/include/drm/drm_gem_shmem_helper.h
index d0a57853c188..a2201b2488c5 100644
--- a/include/drm/drm_gem_shmem_helper.h
+++ b/include/drm/drm_gem_shmem_helper.h
@@ -210,7 +210,7 @@ static inline void drm_gem_shmem_object_unpin(struct drm_gem_object *obj)
  * use it as their &drm_gem_object_funcs.get_sg_table handler.
  *
  * Returns:
- * A pointer to the scatter/gather table of pinned pages or NULL on failure.
+ * A pointer to the scatter/gather table of pinned pages or error pointer on failure.
  */
 static inline struct sg_table *drm_gem_shmem_object_get_sg_table(struct drm_gem_object *obj)
 {
diff --git a/include/drm/drm_mipi_dbi.h b/include/drm/drm_mipi_dbi.h
index dad2f187b64b..14eaecb1825c 100644
--- a/include/drm/drm_mipi_dbi.h
+++ b/include/drm/drm_mipi_dbi.h
@@ -155,6 +155,8 @@ int mipi_dbi_dev_init_with_formats(struct mipi_dbi_dev *dbidev,
 int mipi_dbi_dev_init(struct mipi_dbi_dev *dbidev,
 		      const struct drm_simple_display_pipe_funcs *funcs,
 		      const struct drm_display_mode *mode, unsigned int rotation);
+enum drm_mode_status mipi_dbi_pipe_mode_valid(struct drm_simple_display_pipe *pipe,
+					      const struct drm_display_mode *mode);
 void mipi_dbi_pipe_update(struct drm_simple_display_pipe *pipe,
 			  struct drm_plane_state *old_state);
 void mipi_dbi_enable_flush(struct mipi_dbi_dev *dbidev,
diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h
index 91a164bdd8f3..20b21b577dea 100644
--- a/include/drm/drm_mipi_dsi.h
+++ b/include/drm/drm_mipi_dsi.h
@@ -179,6 +179,7 @@ struct mipi_dsi_device_info {
  * @lp_rate: maximum lane frequency for low power mode in hertz, this should
  * be set to the real limits of the hardware, zero is only accepted for
  * legacy drivers
+ * @dsc: panel/bridge DSC pps payload to be sent
  */
 struct mipi_dsi_device {
 	struct mipi_dsi_host *host;
@@ -191,6 +192,7 @@ struct mipi_dsi_device {
 	unsigned long mode_flags;
 	unsigned long hs_rate;
 	unsigned long lp_rate;
+	struct drm_dsc_config *dsc;
 };
 
 #define MIPI_DSI_MODULE_PREFIX "mipi-dsi:"
@@ -322,7 +324,7 @@ int mipi_dsi_dcs_get_display_brightness(struct mipi_dsi_device *dsi,
 struct mipi_dsi_driver {
 	struct device_driver driver;
 	int(*probe)(struct mipi_dsi_device *dsi);
-	int(*remove)(struct mipi_dsi_device *dsi);
+	void (*remove)(struct mipi_dsi_device *dsi);
 	void (*shutdown)(struct mipi_dsi_device *dsi);
 };
 
diff --git a/include/drm/drm_modes.h b/include/drm/drm_modes.h
index a80ae9639e96..b0c680e6f670 100644
--- a/include/drm/drm_modes.h
+++ b/include/drm/drm_modes.h
@@ -139,6 +139,35 @@ enum drm_mode_status {
 	.vscan = (vs), .flags = (f)
 
 /**
+ * DRM_MODE_RES_MM - Calculates the display size from resolution and DPI
+ * @res: The resolution in pixel
+ * @dpi: The number of dots per inch
+ */
+#define DRM_MODE_RES_MM(res, dpi)	\
+	(((res) * 254ul) / ((dpi) * 10ul))
+
+#define __DRM_MODE_INIT(pix, hd, vd, hd_mm, vd_mm) \
+	.type = DRM_MODE_TYPE_DRIVER, .clock = (pix), \
+	.hdisplay = (hd), .hsync_start = (hd), .hsync_end = (hd), \
+	.htotal = (hd), .vdisplay = (vd), .vsync_start = (vd), \
+	.vsync_end = (vd), .vtotal = (vd), .width_mm = (hd_mm), \
+	.height_mm = (vd_mm)
+
+/**
+ * DRM_MODE_INIT - Initialize display mode
+ * @hz: Vertical refresh rate in Hertz
+ * @hd: Horizontal resolution, width
+ * @vd: Vertical resolution, height
+ * @hd_mm: Display width in millimeters
+ * @vd_mm: Display height in millimeters
+ *
+ * This macro initializes a &drm_display_mode that contains information about
+ * refresh rate, resolution and physical size.
+ */
+#define DRM_MODE_INIT(hz, hd, vd, hd_mm, vd_mm) \
+	__DRM_MODE_INIT((hd) * (vd) * (hz) / 1000 /* kHz */, hd, vd, hd_mm, vd_mm)
+
+/**
  * DRM_SIMPLE_MODE - Simple display mode
  * @hd: Horizontal resolution, width
  * @vd: Vertical resolution, height
@@ -149,11 +178,7 @@ enum drm_mode_status {
  * resolution and physical size.
  */
 #define DRM_SIMPLE_MODE(hd, vd, hd_mm, vd_mm) \
-	.type = DRM_MODE_TYPE_DRIVER, .clock = 1 /* pass validation */, \
-	.hdisplay = (hd), .hsync_start = (hd), .hsync_end = (hd), \
-	.htotal = (hd), .vdisplay = (vd), .vsync_start = (vd), \
-	.vsync_end = (vd), .vtotal = (vd), .width_mm = (hd_mm), \
-	.height_mm = (vd_mm)
+	__DRM_MODE_INIT(1 /* pass validation */, hd, vd, hd_mm, vd_mm)
 
 #define CRTC_INTERLACE_HALVE_V	(1 << 0) /* halve V values for interlacing */
 #define CRTC_STEREO_DOUBLE	(1 << 1) /* adjust timings for stereo modes */
diff --git a/include/drm/drm_panel.h b/include/drm/drm_panel.h
index 3a271128c078..994bfcdd84c5 100644
--- a/include/drm/drm_panel.h
+++ b/include/drm/drm_panel.h
@@ -188,13 +188,6 @@ struct drm_panel {
 	 * Panel entry in registry.
 	 */
 	struct list_head list;
-
-	/**
-	 * @dsc:
-	 *
-	 * Panel DSC pps payload to be sent
-	 */
-	struct drm_dsc_config *dsc;
 };
 
 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 89ea54652e87..447e664e49d5 100644
--- a/include/drm/drm_plane.h
+++ b/include/drm/drm_plane.h
@@ -631,7 +631,7 @@ struct drm_plane {
 	unsigned int format_count;
 	/**
 	 * @format_default: driver hasn't supplied supported formats for the
-	 * plane. Used by the drm_plane_init compatibility wrapper only.
+	 * plane. Used by the non-atomic driver compatibility wrapper only.
 	 */
 	bool format_default;
 
@@ -762,12 +762,6 @@ int drm_universal_plane_init(struct drm_device *dev,
 			     const uint64_t *format_modifiers,
 			     enum drm_plane_type type,
 			     const char *name, ...);
-int drm_plane_init(struct drm_device *dev,
-		   struct drm_plane *plane,
-		   uint32_t possible_crtcs,
-		   const struct drm_plane_funcs *funcs,
-		   const uint32_t *formats, unsigned int format_count,
-		   bool is_primary);
 void drm_plane_cleanup(struct drm_plane *plane);
 
 __printf(10, 11)
@@ -815,6 +809,50 @@ void *__drmm_universal_plane_alloc(struct drm_device *dev,
 					      format_count, format_modifiers, \
 					      plane_type, name, ##__VA_ARGS__))
 
+__printf(10, 11)
+void *__drm_universal_plane_alloc(struct drm_device *dev,
+				  size_t size, size_t offset,
+				  uint32_t possible_crtcs,
+				  const struct drm_plane_funcs *funcs,
+				  const uint32_t *formats,
+				  unsigned int format_count,
+				  const uint64_t *format_modifiers,
+				  enum drm_plane_type plane_type,
+				  const char *name, ...);
+
+/**
+ * drm_universal_plane_alloc() - Allocate and initialize an universal plane object
+ * @dev: DRM device
+ * @type: the type of the struct which contains struct &drm_plane
+ * @member: the name of the &drm_plane within @type
+ * @possible_crtcs: bitmask of possible CRTCs
+ * @funcs: callbacks for the new plane
+ * @formats: array of supported formats (DRM_FORMAT\_\*)
+ * @format_count: number of elements in @formats
+ * @format_modifiers: array of struct drm_format modifiers terminated by
+ *                    DRM_FORMAT_MOD_INVALID
+ * @plane_type: type of plane (overlay, primary, cursor)
+ * @name: printf style format string for the plane name, or NULL for default name
+ *
+ * Allocates and initializes a plane object of type @type. The caller
+ * is responsible for releasing the allocated memory with kfree().
+ *
+ * Drivers are encouraged to use drmm_universal_plane_alloc() instead.
+ *
+ * Drivers that only support the DRM_FORMAT_MOD_LINEAR modifier support may set
+ * @format_modifiers to NULL. The plane will advertise the linear modifier.
+ *
+ * Returns:
+ * Pointer to new plane, or ERR_PTR on failure.
+ */
+#define drm_universal_plane_alloc(dev, type, member, possible_crtcs, funcs, formats, \
+				   format_count, format_modifiers, plane_type, name, ...) \
+	((type *)__drm_universal_plane_alloc(dev, sizeof(type), \
+					     offsetof(type, member), \
+					     possible_crtcs, funcs, formats, \
+					     format_count, format_modifiers, \
+					     plane_type, name, ##__VA_ARGS__))
+
 /**
  * drm_plane_index - find the index of a registered plane
  * @plane: plane to find index for
diff --git a/include/drm/drm_plane_helper.h b/include/drm/drm_plane_helper.h
index 331ebd60b3a3..ff83d2621687 100644
--- a/include/drm/drm_plane_helper.h
+++ b/include/drm/drm_plane_helper.h
@@ -24,21 +24,35 @@
 #ifndef DRM_PLANE_HELPER_H
 #define DRM_PLANE_HELPER_H
 
-#include <drm/drm_rect.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_modeset_helper_vtables.h>
-#include <drm/drm_modeset_helper.h>
+#include <linux/types.h>
 
-/*
- * Drivers that don't allow primary plane scaling may pass this macro in place
- * of the min/max scale parameters of the update checker function.
+struct drm_crtc;
+struct drm_framebuffer;
+struct drm_modeset_acquire_ctx;
+struct drm_plane;
+
+int drm_plane_helper_update_primary(struct drm_plane *plane, struct drm_crtc *crtc,
+				    struct drm_framebuffer *fb,
+				    int crtc_x, int crtc_y,
+				    unsigned int crtc_w, unsigned int crtc_h,
+				    uint32_t src_x, uint32_t src_y,
+				    uint32_t src_w, uint32_t src_h,
+				    struct drm_modeset_acquire_ctx *ctx);
+int drm_plane_helper_disable_primary(struct drm_plane *plane,
+				     struct drm_modeset_acquire_ctx *ctx);
+void drm_plane_helper_destroy(struct drm_plane *plane);
+int drm_plane_helper_atomic_check(struct drm_plane *plane, struct drm_atomic_state *state);
+
+/**
+ * DRM_PLANE_NON_ATOMIC_FUNCS - Default plane functions for non-atomic drivers
  *
- * Due to src being in 16.16 fixed point and dest being in integer pixels,
- * 1<<16 represents no scaling.
+ * This macro initializes plane functions for non-atomic drivers to default
+ * values. Non-atomic interfaces are deprecated and should not be used in new
+ * drivers.
  */
-#define DRM_PLANE_HELPER_NO_SCALING (1<<16)
-
-void drm_primary_helper_destroy(struct drm_plane *plane);
-extern const struct drm_plane_funcs drm_primary_helper_funcs;
+#define DRM_PLANE_NON_ATOMIC_FUNCS \
+	.update_plane = drm_plane_helper_update_primary, \
+	.disable_plane = drm_plane_helper_disable_primary, \
+	.destroy = drm_plane_helper_destroy
 
 #endif
diff --git a/include/drm/drm_probe_helper.h b/include/drm/drm_probe_helper.h
index 8075e02aa865..5880daa14624 100644
--- a/include/drm/drm_probe_helper.h
+++ b/include/drm/drm_probe_helper.h
@@ -3,9 +3,10 @@
 #ifndef __DRM_PROBE_HELPER_H__
 #define __DRM_PROBE_HELPER_H__
 
-#include <linux/types.h>
+#include <drm/drm_modes.h>
 
 struct drm_connector;
+struct drm_crtc;
 struct drm_device;
 struct drm_modeset_acquire_ctx;
 
@@ -26,7 +27,13 @@ void drm_kms_helper_poll_disable(struct drm_device *dev);
 void drm_kms_helper_poll_enable(struct drm_device *dev);
 bool drm_kms_helper_is_poll_worker(void);
 
+enum drm_mode_status drm_crtc_helper_mode_valid_fixed(struct drm_crtc *crtc,
+						      const struct drm_display_mode *mode,
+						      const struct drm_display_mode *fixed_mode);
+
 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);
 
 #endif
diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h
index addb135eeea6..599855c6a672 100644
--- a/include/drm/gpu_scheduler.h
+++ b/include/drm/gpu_scheduler.h
@@ -329,10 +329,10 @@ enum drm_gpu_sched_stat {
 };
 
 /**
- * struct drm_sched_backend_ops
+ * struct drm_sched_backend_ops - Define the backend operations
+ *	called by the scheduler
  *
- * Define the backend operations called by the scheduler,
- * these functions should be implemented in driver side.
+ * These functions should be implemented in the driver side.
  */
 struct drm_sched_backend_ops {
 	/**
@@ -409,7 +409,7 @@ struct drm_sched_backend_ops {
 };
 
 /**
- * struct drm_gpu_scheduler
+ * struct drm_gpu_scheduler - scheduler instance-specific data
  *
  * @ops: backend operations provided by the driver.
  * @hw_submission_limit: the max size of the hardware queue.
@@ -435,6 +435,7 @@ struct drm_sched_backend_ops {
  * @_score: score used when the driver doesn't provide one
  * @ready: marks if the underlying HW is ready to work
  * @free_guilty: A hit to time out handler to free the guilty job.
+ * @dev: system &struct device
  *
  * One scheduler is implemented for each hardware ring.
  */
diff --git a/include/drm/i915_pciids.h b/include/drm/i915_pciids.h
index 278031aa2e84..4a4c190f7698 100644
--- a/include/drm/i915_pciids.h
+++ b/include/drm/i915_pciids.h
@@ -641,6 +641,7 @@
 	INTEL_VGA_DEVICE(0x4682, info), \
 	INTEL_VGA_DEVICE(0x4688, info), \
 	INTEL_VGA_DEVICE(0x468A, info), \
+	INTEL_VGA_DEVICE(0x468B, info), \
 	INTEL_VGA_DEVICE(0x4690, info), \
 	INTEL_VGA_DEVICE(0x4692, info), \
 	INTEL_VGA_DEVICE(0x4693, info)
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index 2d524f8b0802..44a538ee5e2a 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -317,93 +317,16 @@ 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);
 
-/**
- * ttm_bo_init_reserved
- *
- * @bdev: Pointer to a ttm_device struct.
- * @bo: Pointer to a ttm_buffer_object to be initialized.
- * @size: Requested size of buffer object.
- * @type: Requested type of buffer object.
- * @placement: Initial placement for buffer object.
- * @page_alignment: Data alignment in pages.
- * @ctx: TTM operation context for memory allocation.
- * @sg: Scatter-gather table.
- * @resv: Pointer to a dma_resv, or NULL to let ttm allocate one.
- * @destroy: Destroy function. Use NULL for kfree().
- *
- * This function initializes a pre-allocated struct ttm_buffer_object.
- * As this object may be part of a larger structure, this function,
- * together with the @destroy function,
- * enables driver-specific objects derived from a ttm_buffer_object.
- *
- * On successful return, the caller owns an object kref to @bo. The kref and
- * list_kref are usually set to 1, but note that in some situations, other
- * tasks may already be holding references to @bo as well.
- * Furthermore, if resv == NULL, the buffer's reservation lock will be held,
- * and it is the caller's responsibility to call ttm_bo_unreserve.
- *
- * If a failure occurs, the function will call the @destroy function, or
- * kfree() if @destroy is NULL. Thus, after a failure, dereferencing @bo is
- * illegal and will likely cause memory corruption.
- *
- * Returns
- * -ENOMEM: Out of memory.
- * -EINVAL: Invalid placement flags.
- * -ERESTARTSYS: Interrupted by signal while sleeping waiting for resources.
- */
-
-int ttm_bo_init_reserved(struct ttm_device *bdev,
-			 struct ttm_buffer_object *bo,
-			 size_t size, enum ttm_bo_type type,
-			 struct ttm_placement *placement,
-			 uint32_t page_alignment,
-			 struct ttm_operation_ctx *ctx,
+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 *));
-
-/**
- * ttm_bo_init
- *
- * @bdev: Pointer to a ttm_device struct.
- * @bo: Pointer to a ttm_buffer_object to be initialized.
- * @size: Requested size of buffer object.
- * @type: Requested type of buffer object.
- * @placement: Initial placement for buffer object.
- * @page_alignment: Data alignment in pages.
- * @interruptible: If needing to sleep to wait for GPU resources,
- * sleep interruptible.
- * pinned in physical memory. If this behaviour is not desired, this member
- * holds a pointer to a persistent shmem object. Typically, this would
- * point to the shmem object backing a GEM object if TTM is used to back a
- * GEM user interface.
- * @sg: Scatter-gather table.
- * @resv: Pointer to a dma_resv, or NULL to let ttm allocate one.
- * @destroy: Destroy function. Use NULL for kfree().
- *
- * This function initializes a pre-allocated struct ttm_buffer_object.
- * As this object may be part of a larger structure, this function,
- * together with the @destroy function,
- * enables driver-specific objects derived from a ttm_buffer_object.
- *
- * On successful return, the caller owns an object kref to @bo. The kref and
- * list_kref are usually set to 1, but note that in some situations, other
- * tasks may already be holding references to @bo as well.
- *
- * If a failure occurs, the function will call the @destroy function, or
- * kfree() if @destroy is NULL. Thus, after a failure, dereferencing @bo is
- * illegal and will likely cause memory corruption.
- *
- * Returns
- * -ENOMEM: Out of memory.
- * -EINVAL: Invalid placement flags.
- * -ERESTARTSYS: Interrupted by signal while sleeping waiting for resources.
- */
-int ttm_bo_init(struct ttm_device *bdev, struct ttm_buffer_object *bo,
-		size_t size, enum ttm_bo_type type,
-		struct ttm_placement *placement,
-		uint32_t page_alignment, bool interrubtible,
-		struct sg_table *sg, struct dma_resv *resv,
-		void (*destroy) (struct ttm_buffer_object *));
 
 /**
  * ttm_kmap_obj_virtual
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index 897b88f0bd59..1afa891f488a 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -106,7 +106,7 @@ static inline int ttm_bo_reserve(struct ttm_buffer_object *bo,
 				 bool interruptible, bool no_wait,
 				 struct ww_acquire_ctx *ticket)
 {
-	int ret = 0;
+	int ret;
 
 	if (no_wait) {
 		bool success;
diff --git a/include/drm/ttm/ttm_resource.h b/include/drm/ttm/ttm_resource.h
index ca89a48c2460..5afc6d664fde 100644
--- a/include/drm/ttm/ttm_resource.h
+++ b/include/drm/ttm/ttm_resource.h
@@ -89,6 +89,38 @@ struct ttm_resource_manager_func {
 		     struct ttm_resource *res);
 
 	/**
+	 * struct ttm_resource_manager_func member intersects
+	 *
+	 * @man: Pointer to a memory type manager.
+	 * @res: Pointer to a struct ttm_resource to be checked.
+	 * @place: Placement to check against.
+	 * @size: Size of the check.
+	 *
+	 * Test if @res intersects with @place + @size. Used to judge if
+	 * evictions are valueable or not.
+	 */
+	bool (*intersects)(struct ttm_resource_manager *man,
+			   struct ttm_resource *res,
+			   const struct ttm_place *place,
+			   size_t size);
+
+	/**
+	 * struct ttm_resource_manager_func member compatible
+	 *
+	 * @man: Pointer to a memory type manager.
+	 * @res: Pointer to a struct ttm_resource to be checked.
+	 * @place: Placement to check against.
+	 * @size: Size of the check.
+	 *
+	 * Test if @res compatible with @place + @size. Used to check of
+	 * the need to move the backing store or not.
+	 */
+	bool (*compatible)(struct ttm_resource_manager *man,
+			   struct ttm_resource *res,
+			   const struct ttm_place *place,
+			   size_t size);
+
+	/**
 	 * struct ttm_resource_manager_func member debug
 	 *
 	 * @man: Pointer to a memory type manager.
@@ -329,6 +361,14 @@ int ttm_resource_alloc(struct ttm_buffer_object *bo,
 		       const struct ttm_place *place,
 		       struct ttm_resource **res);
 void ttm_resource_free(struct ttm_buffer_object *bo, struct ttm_resource **res);
+bool ttm_resource_intersects(struct ttm_device *bdev,
+			     struct ttm_resource *res,
+			     const struct ttm_place *place,
+			     size_t size);
+bool ttm_resource_compatible(struct ttm_device *bdev,
+			     struct ttm_resource *res,
+			     const struct ttm_place *place,
+			     size_t size);
 bool ttm_resource_compat(struct ttm_resource *res,
 			 struct ttm_placement *placement);
 void ttm_resource_set_bo(struct ttm_resource *res,