Merge tag 'drm-misc-next-2020-10-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for 5.11:

UAPI Changes:

  - doc: rules for EBUSY on non-blocking commits; requirements for fourcc
    modifiers; on parsing EDID
  - fbdev/sbuslib: Remove unused FBIOSCURSOR32
  - fourcc: deprecate DRM_FORMAT_MOD_NONE
  - virtio: Support blob resources for memory allocations; Expose host-visible
    and cross-device features

Cross-subsystem Changes:

  - devicetree: Add vendor Prefix for Yes Optoelectronics, Shanghai Top Display
    Optoelectronics
  - dma-buf: Add struct dma_buf_map that stores DMA pointer and I/O-memory flag;
    dma_buf_vmap()/vunmap() return address in dma_buf_map; Use struct_size() macro

Core Changes:

  - atomic: pass full state to CRTC atomic enable/disable; warn for EBUSY during
    non-blocking commits
  - dp: Prepare for DP 2.0 DPCD
  - dp_mst: Receive extended DPCD caps
  - dma-buf: Documentation
  - doc: Format modifiers; dma-buf-map; Cleanups
  - fbdev: Don't use compat_alloc_user_space(); mark as orphaned
  - fb-helper: Take lock in drm_fb_helper_restore_work_fb()
  - gem: Convert implementation and drivers to GEM object functions, remove
    GEM callbacks from struct drm_driver (expect gem_prime_mmap)
  - panel: Cleanups
  - pci: Add legacy infix to drm_irq_by_busid()
  - sched: Avoid infinite waits in drm_sched_entity_destroy()
  - switcheroo: Cleanups
  - ttm: Remove AGP support; Don't modify caching during swapout; Major
    refactoring of the implementation and API that affects all depending
    drivers; Add ttm_bo_wait_ctx(); Add ttm_bo_pin()/unpin() in favor of
    TTM_PL_FLAG_NO_EVICT; Remove ttm_bo_create(); Remove fault_reserve_notify()
    callback; Push move() implementation into drivers; Remove TTM_PAGE_FLAG_WRITE;
    Replace caching flags with init-time cache setting; Push ttm_tt_bind() into
    drivers; Replace move_notify() with delete_mem_notify(); No overlapping memcpy();
    no more ttm_set_populated()
  - vram-helper: Fix BO top-down placement; TTM-related changes; Init GEM
    object functions with defaults; Default placement in system memory; Cleanups

Driver Changes:

  - amdgpu: Use GEM object functions
  - armada: Use GEM object functions
  - aspeed: Configure output via sysfs; Init struct drm_driver with
  - ast: Reload LUT after FB format changes
  - bridge: Add driver and DT bindings for anx7625; Cleanups
  - bridge/dw-hdmi: Constify ops
  - bridge/ti-sn65dsi86: Add retries for link training
  - bridge/lvds-codec: Add support for regulator
  - bridge/tc358768: Restore connector support DRM_GEM_CMA_DRIVEROPS; Cleanups
  - display/ti,j721e-dss: Add DT properies assigned-clocks, assigned-clocks-parent and
    dma-coherent
  - display/ti,am65s-dss: Add DT properies assigned-clocks, assigned-clocks-parent and
    dma-coherent
  - etnaviv: Use GEM object functions
  - exynos: Use GEM object functions
  - fbdev: Cleanups and compiler fixes throughout framebuffer drivers
  - fbdev/cirrusfb: Avoid division by 0
  - gma500: Use GEM object functions; Fix double-free of connector; Cleanups
  - hisilicon/hibmc: I2C-based DDC support; Use to_hibmc_drm_device(); Cleanups
  - i915: Use GEM object functions
  - imx/dcss: Init driver with DRM_GEM_CMA_DRIVER_OPS; Cleanups
  - ingenic: Reset pixel clock when parent clock changes; support reserved
    memory; Alloc F0 and F1 DMA channels at once; Support different pixel formats;
    Revert support for cached mmap buffers
    on F0/F1; support 30-bit/24-bit/8-bit-palette modes
  - komeda: Use DEFINE_SHOW_ATTRIBUTE
  - mcde: Detect platform_get_irq() errors
  - mediatek: Use GEM object functions
  - msm: Use GEM object functions
  - nouveau: Cleanups; TTM-related changes; Use GEM object functions
  - omapdrm: Use GEM object functions
  - panel: Add driver and DT bindings for Novatak nt36672a; Add driver and DT
    bindings for YTC700TLAG-05-201C; Add driver and DT bindings for TDO TL070WSH30;
    Cleanups
  - panel/mantix: Fix reset; Fix deref of NULL pointer in mantix_get_modes()
  - panel/otm8009a: Allow non-continuous dsi clock; Cleanups
  - panel/rm68200: Allow non-continuous dsi clock; Fix mode to 50 FPS
  - panfrost: Fix job timeout handling; Cleanups
  - pl111: Use GEM object functions
  - qxl: Cleanups; TTM-related changes; Pin new BOs with ttm_bo_init_reserved()
  - radeon: Cleanups; TTM-related changes; Use GEM object functions
  - rockchip: Use GEM object functions
  - shmobile: Cleanups
  - tegra: Use GEM object functions
  - tidss: Set drm_plane_helper_funcs.prepare_fb
  - tilcdc: Don't keep vblank interrupt enabled all the time
  - tve200: Detect platform_get_irq() errors
  - vc4: Use GEM object functions; Only register components once DSI is attached;
    Add Maxime as maintainer
  - vgem: Use GEM object functions
  - via: Simplify critical section in via_mem_alloc()
  - virtgpu: Use GEM object functions
  - virtio: Implement blob resources, host-visible and cross-device features;
    Support mapping of host-allocated resources; Use UUID APi; Cleanups
  - vkms: Use GEM object functions; Switch to SHMEM
  - vmwgfx: TTM-related changes; Inline ttm_bo_swapout_all()
  - xen: Use GEM object functions
  - xlnx: Use GEM object functions

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20201027100936.GA4858@linux-uq9g

15 files changed, 188 insertions, 484 deletions

diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index a53243abd945..1f0ee7f3f473 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -106,8 +106,9 @@ struct drm_device;
 #define DP_AUX_I2C_REPLY_DEFER		(0x2 << 2)
 #define DP_AUX_I2C_REPLY_MASK		(0x3 << 2)
 
-/* AUX CH addresses */
-/* DPCD */
+/* DPCD Field Address Mapping */
+
+/* Receiver Capability */
 #define DP_DPCD_REV                         0x000
 # define DP_DPCD_REV_10                     0x10
 # define DP_DPCD_REV_11                     0x11
@@ -124,6 +125,7 @@ struct drm_device;
 
 #define DP_MAX_DOWNSPREAD                   0x003
 # define DP_MAX_DOWNSPREAD_0_5		    (1 << 0)
+# define DP_STREAM_REGENERATION_STATUS_CAP  (1 << 1) /* 2.0 */
 # define DP_NO_AUX_HANDSHAKE_LINK_TRAINING  (1 << 6)
 # define DP_TPS4_SUPPORTED                  (1 << 7)
 
@@ -141,6 +143,7 @@ struct drm_device;
 
 #define DP_MAIN_LINK_CHANNEL_CODING         0x006
 # define DP_CAP_ANSI_8B10B		    (1 << 0)
+# define DP_CAP_ANSI_128B132B               (1 << 1) /* 2.0 */
 
 #define DP_DOWN_STREAM_PORT_COUNT	    0x007
 # define DP_PORT_COUNT_MASK		    0x0f
@@ -184,8 +187,14 @@ struct drm_device;
 #define DP_FAUX_CAP			    0x020   /* 1.2 */
 # define DP_FAUX_CAP_1			    (1 << 0)
 
+#define DP_SINK_VIDEO_FALLBACK_FORMATS      0x020   /* 2.0 */
+# define DP_FALLBACK_1024x768_60HZ_24BPP    (1 << 0)
+# define DP_FALLBACK_1280x720_60HZ_24BPP    (1 << 1)
+# define DP_FALLBACK_1920x1080_60HZ_24BPP   (1 << 2)
+
 #define DP_MSTM_CAP			    0x021   /* 1.2 */
 # define DP_MST_CAP			    (1 << 0)
+# define DP_SINGLE_STREAM_SIDEBAND_MSG      (1 << 1) /* 2.0 */
 
 #define DP_NUMBER_OF_AUDIO_ENDPOINTS	    0x022   /* 1.2 */
 
@@ -426,13 +435,16 @@ struct drm_device;
 #define DP_DSC_BRANCH_OVERALL_THROUGHPUT_1  0x0a1
 #define DP_DSC_BRANCH_MAX_LINE_WIDTH        0x0a2
 
-/* link configuration */
+/* Link Configuration */
 #define	DP_LINK_BW_SET		            0x100
 # define DP_LINK_RATE_TABLE		    0x00    /* eDP 1.4 */
 # define DP_LINK_BW_1_62		    0x06
 # define DP_LINK_BW_2_7			    0x0a
 # define DP_LINK_BW_5_4			    0x14    /* 1.2 */
 # define DP_LINK_BW_8_1			    0x1e    /* 1.4 */
+# define DP_LINK_BW_10                      0x01    /* 2.0 128b/132b Link Layer */
+# define DP_LINK_BW_13_5                    0x04    /* 2.0 128b/132b Link Layer */
+# define DP_LINK_BW_20                      0x02    /* 2.0 128b/132b Link Layer */
 
 #define DP_LANE_COUNT_SET	            0x101
 # define DP_LANE_COUNT_MASK		    0x0f
@@ -484,12 +496,15 @@ struct drm_device;
 # define DP_TRAIN_PRE_EMPHASIS_SHIFT	    3
 # define DP_TRAIN_MAX_PRE_EMPHASIS_REACHED  (1 << 5)
 
+# define DP_TX_FFE_PRESET_VALUE_MASK        (0xf << 0) /* 2.0 128b/132b Link Layer */
+
 #define DP_DOWNSPREAD_CTRL		    0x107
 # define DP_SPREAD_AMP_0_5		    (1 << 4)
 # define DP_MSA_TIMING_PAR_IGNORE_EN	    (1 << 7) /* eDP */
 
 #define DP_MAIN_LINK_CHANNEL_CODING_SET	    0x108
 # define DP_SET_ANSI_8B10B		    (1 << 0)
+# define DP_SET_ANSI_128B132B               (1 << 1)
 
 #define DP_I2C_SPEED_CONTROL_STATUS	    0x109   /* DPI */
 /* bitmask as for DP_I2C_SPEED_CAP */
@@ -508,8 +523,19 @@ struct drm_device;
 # define DP_LINK_QUAL_PATTERN_ERROR_RATE    2
 # define DP_LINK_QUAL_PATTERN_PRBS7	    3
 # define DP_LINK_QUAL_PATTERN_80BIT_CUSTOM  4
-# define DP_LINK_QUAL_PATTERN_HBR2_EYE      5
-# define DP_LINK_QUAL_PATTERN_MASK	    7
+# define DP_LINK_QUAL_PATTERN_CP2520_PAT_1  5
+# define DP_LINK_QUAL_PATTERN_CP2520_PAT_2  6
+# define DP_LINK_QUAL_PATTERN_CP2520_PAT_3  7
+/* DP 2.0 UHBR10, UHBR13.5, UHBR20 */
+# define DP_LINK_QUAL_PATTERN_128B132B_TPS1 0x08
+# define DP_LINK_QUAL_PATTERN_128B132B_TPS2 0x10
+# define DP_LINK_QUAL_PATTERN_PRSBS9        0x18
+# define DP_LINK_QUAL_PATTERN_PRSBS11       0x20
+# define DP_LINK_QUAL_PATTERN_PRSBS15       0x28
+# define DP_LINK_QUAL_PATTERN_PRSBS23       0x30
+# define DP_LINK_QUAL_PATTERN_PRSBS31       0x38
+# define DP_LINK_QUAL_PATTERN_CUSTOM        0x40
+# define DP_LINK_QUAL_PATTERN_SQUARE        0x48
 
 #define DP_TRAINING_LANE0_1_SET2	    0x10f
 #define DP_TRAINING_LANE2_3_SET2	    0x110
@@ -580,6 +606,7 @@ struct drm_device;
 #define DP_PAYLOAD_ALLOCATE_START_TIME_SLOT 0x1c1
 #define DP_PAYLOAD_ALLOCATE_TIME_SLOT_COUNT 0x1c2
 
+/* Link/Sink Device Status */
 #define DP_SINK_COUNT			    0x200
 /* prior to 1.2 bit 7 was reserved mbz */
 # define DP_GET_SINK_COUNT(x)		    ((((x) & 0x80) >> 1) | ((x) & 0x3f))
@@ -611,9 +638,9 @@ struct drm_device;
 #define DP_LINK_STATUS_UPDATED		    (1 << 7)
 
 #define DP_SINK_STATUS			    0x205
-
-#define DP_RECEIVE_PORT_0_STATUS	    (1 << 0)
-#define DP_RECEIVE_PORT_1_STATUS	    (1 << 1)
+# define DP_RECEIVE_PORT_0_STATUS	    (1 << 0)
+# define DP_RECEIVE_PORT_1_STATUS	    (1 << 1)
+# define DP_STREAM_REGENERATION_STATUS      (1 << 2) /* 2.0 */
 
 #define DP_ADJUST_REQUEST_LANE0_1	    0x206
 #define DP_ADJUST_REQUEST_LANE2_3	    0x207
@@ -626,6 +653,12 @@ struct drm_device;
 # define DP_ADJUST_PRE_EMPHASIS_LANE1_MASK   0xc0
 # define DP_ADJUST_PRE_EMPHASIS_LANE1_SHIFT  6
 
+/* DP 2.0 128b/132b Link Layer */
+# define DP_ADJUST_TX_FFE_PRESET_LANE0_MASK  (0xf << 0)
+# define DP_ADJUST_TX_FFE_PRESET_LANE0_SHIFT 0
+# define DP_ADJUST_TX_FFE_PRESET_LANE1_MASK  (0xf << 4)
+# define DP_ADJUST_TX_FFE_PRESET_LANE1_SHIFT 4
+
 #define DP_ADJUST_REQUEST_POST_CURSOR2      0x20c
 # define DP_ADJUST_POST_CURSOR2_LANE0_MASK  0x03
 # define DP_ADJUST_POST_CURSOR2_LANE0_SHIFT 0
@@ -779,20 +812,27 @@ struct drm_device;
 #define DP_VC_PAYLOAD_ID_SLOT_1             0x2c1   /* 1.2 MST */
 /* up to ID_SLOT_63 at 0x2ff */
 
+/* Source Device-specific */
 #define DP_SOURCE_OUI			    0x300
+
+/* Sink Device-specific */
 #define DP_SINK_OUI			    0x400
+
+/* Branch Device-specific */
 #define DP_BRANCH_OUI			    0x500
 #define DP_BRANCH_ID                        0x503
 #define DP_BRANCH_REVISION_START            0x509
 #define DP_BRANCH_HW_REV                    0x509
 #define DP_BRANCH_SW_REV                    0x50A
 
+/* Link/Sink Device Power Control */
 #define DP_SET_POWER                        0x600
 # define DP_SET_POWER_D0                    0x1
 # define DP_SET_POWER_D3                    0x2
 # define DP_SET_POWER_MASK                  0x3
 # define DP_SET_POWER_D3_AUX_ON             0x5
 
+/* eDP-specific */
 #define DP_EDP_DPCD_REV			    0x700    /* eDP 1.2 */
 # define DP_EDP_11			    0x00
 # define DP_EDP_12			    0x01
@@ -876,11 +916,13 @@ struct drm_device;
 #define DP_EDP_REGIONAL_BACKLIGHT_BASE      0x740    /* eDP 1.4 */
 #define DP_EDP_REGIONAL_BACKLIGHT_0	    0x741    /* eDP 1.4 */
 
+/* Sideband MSG Buffers */
 #define DP_SIDEBAND_MSG_DOWN_REQ_BASE	    0x1000   /* 1.2 MST */
 #define DP_SIDEBAND_MSG_UP_REP_BASE	    0x1200   /* 1.2 MST */
 #define DP_SIDEBAND_MSG_DOWN_REP_BASE	    0x1400   /* 1.2 MST */
 #define DP_SIDEBAND_MSG_UP_REQ_BASE	    0x1600   /* 1.2 MST */
 
+/* DPRX Event Status Indicator */
 #define DP_SINK_COUNT_ESI		    0x2002   /* 1.2 */
 /* 0-5 sink count */
 # define DP_SINK_COUNT_CP_READY             (1 << 6)
@@ -934,8 +976,8 @@ struct drm_device;
 #define DP_LANE_ALIGN_STATUS_UPDATED_ESI       0x200e /* status same as 0x204 */
 #define DP_SINK_STATUS_ESI                     0x200f /* status same as 0x205 */
 
+/* Extended Receiver Capability: See DP_DPCD_REV for definitions */
 #define DP_DP13_DPCD_REV                    0x2200
-#define DP_DP13_MAX_LINK_RATE               0x2201
 
 #define DP_DPRX_FEATURE_ENUMERATION_LIST    0x2210  /* DP 1.3 */
 # define DP_GTC_CAP					(1 << 0)  /* DP 1.3 */
@@ -947,6 +989,15 @@ struct drm_device;
 # define DP_VSC_EXT_CEA_SDP_SUPPORTED			(1 << 6)  /* DP 1.4 */
 # define DP_VSC_EXT_CEA_SDP_CHAINING_SUPPORTED		(1 << 7)  /* DP 1.4 */
 
+#define DP_128B132B_SUPPORTED_LINK_RATES       0x2215 /* 2.0 */
+# define DP_UHBR10                             (1 << 0)
+# define DP_UHBR20                             (1 << 1)
+# define DP_UHBR13_5                           (1 << 2)
+
+#define DP_128B132B_TRAINING_AUX_RD_INTERVAL   0x2216 /* 2.0 */
+# define DP_128B132B_TRAINING_AUX_RD_INTERVAL_MASK 0x7f
+
+/* Protocol Converter Extension */
 /* HDMI CEC tunneling over AUX DP 1.3 section 5.3.3.3.1 DPCD 1.4+ */
 #define DP_CEC_TUNNELING_CAPABILITY            0x3000
 # define DP_CEC_TUNNELING_CAPABLE               (1 << 0)
@@ -1013,6 +1064,7 @@ struct drm_device;
 #define DP_PROTOCOL_CONVERTER_CONTROL_2		0x3052 /* DP 1.3 */
 # define DP_CONVERSION_TO_YCBCR422_ENABLE	(1 << 0) /* DP 1.3 */
 
+/* HDCP 1.3 and HDCP 2.2 */
 #define DP_AUX_HDCP_BKSV		0x68000
 #define DP_AUX_HDCP_RI_PRIME		0x68005
 #define DP_AUX_HDCP_AKSV		0x68007
@@ -1058,7 +1110,7 @@ struct drm_device;
 #define DP_HDCP_2_2_REG_STREAM_TYPE_OFFSET	0x69494
 #define DP_HDCP_2_2_REG_DBG_OFFSET		0x69518
 
-/* Link Training (LT)-tunable PHY Repeaters */
+/* LTTPR: Link Training (LT)-tunable PHY Repeaters */
 #define DP_LT_TUNABLE_PHY_REPEATER_FIELD_DATA_STRUCTURE_REV 0xf0000 /* 1.3 */
 #define DP_MAX_LINK_RATE_PHY_REPEATER			    0xf0001 /* 1.4a */
 #define DP_PHY_REPEATER_CNT				    0xf0002 /* 1.3 */
diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
index e57d0440f00f..023076255a7f 100644
--- a/include/drm/drm_drv.h
+++ b/include/drm/drm_drv.h
@@ -36,10 +36,12 @@ struct drm_file;
 struct drm_gem_object;
 struct drm_master;
 struct drm_minor;
+struct dma_buf;
 struct dma_buf_attachment;
 struct drm_display_mode;
 struct drm_mode_create_dumb;
 struct drm_printer;
+struct sg_table;
 
 /**
  * enum drm_driver_feature - feature flags
@@ -327,32 +329,6 @@ struct drm_driver {
 	void (*debugfs_init)(struct drm_minor *minor);
 
 	/**
-	 * @gem_free_object_unlocked: deconstructor for drm_gem_objects
-	 *
-	 * This is deprecated and should not be used by new drivers. Use
-	 * &drm_gem_object_funcs.free instead.
-	 */
-	void (*gem_free_object_unlocked) (struct drm_gem_object *obj);
-
-	/**
-	 * @gem_open_object:
-	 *
-	 * This callback is deprecated in favour of &drm_gem_object_funcs.open.
-	 *
-	 * Driver hook called upon gem handle creation
-	 */
-	int (*gem_open_object) (struct drm_gem_object *, struct drm_file *);
-
-	/**
-	 * @gem_close_object:
-	 *
-	 * This callback is deprecated in favour of &drm_gem_object_funcs.close.
-	 *
-	 * Driver hook called upon gem handle release
-	 */
-	void (*gem_close_object) (struct drm_gem_object *, struct drm_file *);
-
-	/**
 	 * @gem_create_object: constructor for gem objects
 	 *
 	 * Hook for allocating the GEM object struct, for use by the CMA and
@@ -360,6 +336,7 @@ struct drm_driver {
 	 */
 	struct drm_gem_object *(*gem_create_object)(struct drm_device *dev,
 						    size_t size);
+
 	/**
 	 * @prime_handle_to_fd:
 	 *
@@ -382,14 +359,7 @@ struct drm_driver {
 	 */
 	int (*prime_fd_to_handle)(struct drm_device *dev, struct drm_file *file_priv,
 				int prime_fd, uint32_t *handle);
-	/**
-	 * @gem_prime_export:
-	 *
-	 * Export hook for GEM drivers. Deprecated in favour of
-	 * &drm_gem_object_funcs.export.
-	 */
-	struct dma_buf * (*gem_prime_export)(struct drm_gem_object *obj,
-					     int flags);
+
 	/**
 	 * @gem_prime_import:
 	 *
@@ -399,29 +369,6 @@ struct drm_driver {
 	 */
 	struct drm_gem_object * (*gem_prime_import)(struct drm_device *dev,
 				struct dma_buf *dma_buf);
-
-	/**
-	 * @gem_prime_pin:
-	 *
-	 * Deprecated hook in favour of &drm_gem_object_funcs.pin.
-	 */
-	int (*gem_prime_pin)(struct drm_gem_object *obj);
-
-	/**
-	 * @gem_prime_unpin:
-	 *
-	 * Deprecated hook in favour of &drm_gem_object_funcs.unpin.
-	 */
-	void (*gem_prime_unpin)(struct drm_gem_object *obj);
-
-
-	/**
-	 * @gem_prime_get_sg_table:
-	 *
-	 * Deprecated hook in favour of &drm_gem_object_funcs.get_sg_table.
-	 */
-	struct sg_table *(*gem_prime_get_sg_table)(struct drm_gem_object *obj);
-
 	/**
 	 * @gem_prime_import_sg_table:
 	 *
@@ -433,22 +380,6 @@ struct drm_driver {
 				struct dma_buf_attachment *attach,
 				struct sg_table *sgt);
 	/**
-	 * @gem_prime_vmap:
-	 *
-	 * Deprecated vmap hook for GEM drivers. Please use
-	 * &drm_gem_object_funcs.vmap instead.
-	 */
-	void *(*gem_prime_vmap)(struct drm_gem_object *obj);
-
-	/**
-	 * @gem_prime_vunmap:
-	 *
-	 * Deprecated vunmap hook for GEM drivers. Please use
-	 * &drm_gem_object_funcs.vunmap instead.
-	 */
-	void (*gem_prime_vunmap)(struct drm_gem_object *obj, void *vaddr);
-
-	/**
 	 * @gem_prime_mmap:
 	 *
 	 * mmap hook for GEM drivers, used to implement dma-buf mmap in the
@@ -522,14 +453,6 @@ struct drm_driver {
 			    struct drm_device *dev,
 			    uint32_t handle);
 
-	/**
-	 * @gem_vm_ops: Driver private ops for this object
-	 *
-	 * For GEM drivers this is deprecated in favour of
-	 * &drm_gem_object_funcs.vm_ops.
-	 */
-	const struct vm_operations_struct *gem_vm_ops;
-
 	/** @major: driver major number */
 	int major;
 	/** @minor: driver minor number */
diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h
index 337a48321705..c38dd35da00b 100644
--- a/include/drm/drm_gem.h
+++ b/include/drm/drm_gem.h
@@ -272,7 +272,7 @@ struct drm_gem_object {
 	 * attachment point for the device. This is invariant over the lifetime
 	 * of a gem object.
 	 *
-	 * The &drm_driver.gem_free_object_unlocked callback is responsible for
+	 * The &drm_gem_object_funcs.free callback is responsible for
 	 * cleaning up the dma_buf attachment and references acquired at import
 	 * time.
 	 *
diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h
index 62cc6e6c3a4f..128f88174d32 100644
--- a/include/drm/drm_gem_vram_helper.h
+++ b/include/drm/drm_gem_vram_helper.h
@@ -35,7 +35,6 @@ struct vm_area_struct;
  * @placement:	TTM placement information. Supported placements are \
 	%TTM_PL_VRAM and %TTM_PL_SYSTEM
  * @placements:	TTM placement information.
- * @pin_count:	Pin counter
  *
  * The type struct drm_gem_vram_object represents a GEM object that is
  * backed by VRAM. It can be used for simple framebuffer devices with
@@ -64,8 +63,6 @@ struct drm_gem_vram_object {
 	/* Supported placements are %TTM_PL_VRAM and %TTM_PL_SYSTEM */
 	struct ttm_placement placement;
 	struct ttm_place placements[2];
-
-	int pin_count;
 };
 
 /**
diff --git a/include/drm/drm_mode_config.h b/include/drm/drm_mode_config.h
index a18f73eb3cf6..5ffbb4ed5b35 100644
--- a/include/drm/drm_mode_config.h
+++ b/include/drm/drm_mode_config.h
@@ -58,6 +58,12 @@ struct drm_mode_config_funcs {
 	 * actual modifier used if the request doesn't have it specified,
 	 * ie. when (@mode_cmd->flags & DRM_MODE_FB_MODIFIERS) == 0.
 	 *
+	 * IMPORTANT: These implied modifiers for legacy userspace must be
+	 * stored in struct &drm_framebuffer, including all relevant metadata
+	 * like &drm_framebuffer.pitches and &drm_framebuffer.offsets if the
+	 * modifier enables additional planes beyond the fourcc pixel format
+	 * code. This is required by the GETFB2 ioctl.
+	 *
 	 * If the parameters are deemed valid and the backing storage objects in
 	 * the underlying memory manager all exist, then the driver allocates
 	 * a new &drm_framebuffer structure, subclassed to contain
@@ -915,6 +921,13 @@ struct drm_mode_config {
 	 * @allow_fb_modifiers:
 	 *
 	 * Whether the driver supports fb modifiers in the ADDFB2.1 ioctl call.
+	 *
+	 * IMPORTANT:
+	 *
+	 * If this is set the driver must fill out the full implicit modifier
+	 * information in their &drm_mode_config_funcs.fb_create hook for legacy
+	 * userspace which does not set modifiers. Otherwise the GETFB2 ioctl is
+	 * broken for modifier aware userspace.
 	 */
 	bool allow_fb_modifiers;
 
diff --git a/include/drm/drm_modeset_helper_vtables.h b/include/drm/drm_modeset_helper_vtables.h
index 4efec30f8bad..bde42988c4b5 100644
--- a/include/drm/drm_modeset_helper_vtables.h
+++ b/include/drm/drm_modeset_helper_vtables.h
@@ -417,14 +417,10 @@ struct drm_crtc_helper_funcs {
 	 * @atomic_enable must be the inverse of @atomic_disable for atomic
 	 * drivers.
 	 *
-	 * Drivers can use the @old_crtc_state input parameter if the operations
-	 * needed to enable the CRTC don't depend solely on the new state but
-	 * also on the transition between the old state and the new state.
-	 *
 	 * This function is optional.
 	 */
 	void (*atomic_enable)(struct drm_crtc *crtc,
-			      struct drm_crtc_state *old_crtc_state);
+			      struct drm_atomic_state *state);
 
 	/**
 	 * @atomic_disable:
@@ -441,15 +437,10 @@ struct drm_crtc_helper_funcs {
 	 * need to implement it if there's no need to disable anything at the
 	 * CRTC level.
 	 *
-	 * Comparing to @disable, this one provides the additional input
-	 * parameter @old_crtc_state which could be used to access the old
-	 * state. Atomic drivers should consider to use this one instead
-	 * of @disable.
-	 *
 	 * This function is optional.
 	 */
 	void (*atomic_disable)(struct drm_crtc *crtc,
-			       struct drm_crtc_state *old_crtc_state);
+			       struct drm_atomic_state *state);
 
 	/**
 	 * @get_scanout_position:
diff --git a/include/drm/drm_prime.h b/include/drm/drm_prime.h
index 0f69f9fbf12c..0991a47a1567 100644
--- a/include/drm/drm_prime.h
+++ b/include/drm/drm_prime.h
@@ -54,6 +54,7 @@ struct device;
 struct dma_buf_export_info;
 struct dma_buf;
 struct dma_buf_attachment;
+struct dma_buf_map;
 
 enum dma_data_direction;
 
@@ -82,8 +83,8 @@ struct sg_table *drm_gem_map_dma_buf(struct dma_buf_attachment *attach,
 void drm_gem_unmap_dma_buf(struct dma_buf_attachment *attach,
 			   struct sg_table *sgt,
 			   enum dma_data_direction dir);
-void *drm_gem_dmabuf_vmap(struct dma_buf *dma_buf);
-void drm_gem_dmabuf_vunmap(struct dma_buf *dma_buf, void *vaddr);
+int drm_gem_dmabuf_vmap(struct dma_buf *dma_buf, struct dma_buf_map *map);
+void drm_gem_dmabuf_vunmap(struct dma_buf *dma_buf, struct dma_buf_map *map);
 
 int drm_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma);
 int drm_gem_dmabuf_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma);
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index 0f7cd21d6d74..37102e45e496 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -90,9 +90,6 @@ struct ttm_tt;
  * @kref: Reference count of this buffer object. When this refcount reaches
  * zero, the object is destroyed or put on the delayed delete list.
  * @mem: structure describing current placement.
- * @persistent_swap_storage: Usually the swap storage is deleted for buffers
- * pinned in physical memory. If this behaviour is not desired, this member
- * holds a pointer to a persistent shmem object.
  * @ttm: TTM structure holding system pages.
  * @evicted: Whether the object was evicted without user-space knowing.
  * @deleted: True if the object is only a zombie and already deleted.
@@ -139,7 +136,6 @@ struct ttm_buffer_object {
 	 */
 
 	struct ttm_resource mem;
-	struct file *persistent_swap_storage;
 	struct ttm_tt *ttm;
 	bool deleted;
 
@@ -157,6 +153,7 @@ struct ttm_buffer_object {
 
 	struct dma_fence *moving;
 	unsigned priority;
+	unsigned pin_count;
 
 	/**
 	 * Special members that are protected by the reserve lock
@@ -261,6 +258,11 @@ ttm_bo_get_unless_zero(struct ttm_buffer_object *bo)
  */
 int ttm_bo_wait(struct ttm_buffer_object *bo, bool interruptible, bool no_wait);
 
+static inline int ttm_bo_wait_ctx(struct ttm_buffer_object *bo, struct ttm_operation_ctx *ctx)
+{
+	return ttm_bo_wait(bo, ctx->interruptible, ctx->no_wait_gpu);
+}
+
 /**
  * ttm_bo_mem_compat - Check if proposed placement is compatible with a bo
  *
@@ -447,50 +449,6 @@ int ttm_bo_init(struct ttm_bo_device *bdev, struct ttm_buffer_object *bo,
 		void (*destroy) (struct ttm_buffer_object *));
 
 /**
- * ttm_bo_create
- *
- * @bdev: Pointer to a ttm_bo_device struct.
- * @size: Requested size of buffer object.
- * @type: Requested type of buffer object.
- * @placement: Initial placement.
- * @page_alignment: Data alignment in pages.
- * @interruptible: If needing to sleep while waiting for GPU resources,
- * sleep interruptible.
- * @p_bo: On successful completion *p_bo points to the created object.
- *
- * This function allocates a ttm_buffer_object, and then calls ttm_bo_init
- * on that object. The destroy function is set to kfree().
- * Returns
- * -ENOMEM: Out of memory.
- * -EINVAL: Invalid placement flags.
- * -ERESTARTSYS: Interrupted by signal while waiting for resources.
- */
-int ttm_bo_create(struct ttm_bo_device *bdev, unsigned long size,
-		  enum ttm_bo_type type, struct ttm_placement *placement,
-		  uint32_t page_alignment, bool interruptible,
-		  struct ttm_buffer_object **p_bo);
-
-/**
- * ttm_bo_evict_mm
- *
- * @bdev: Pointer to a ttm_bo_device struct.
- * @mem_type: The memory type.
- *
- * Evicts all buffers on the lru list of the memory type.
- * This is normally part of a VT switch or an
- * out-of-memory-space-due-to-fragmentation handler.
- * The caller must make sure that there are no other processes
- * currently validating buffers, and can do that by taking the
- * struct ttm_bo_device::ttm_lock in write mode.
- *
- * Returns:
- * -EINVAL: Invalid or uninitialized memory type.
- * -ERESTARTSYS: The call was interrupted by a signal while waiting to
- * evict a buffer.
- */
-int ttm_bo_evict_mm(struct ttm_bo_device *bdev, unsigned mem_type);
-
-/**
  * ttm_kmap_obj_virtual
  *
  * @map: A struct ttm_bo_kmap_obj returned from ttm_bo_kmap.
@@ -583,9 +541,7 @@ ssize_t ttm_bo_io(struct ttm_bo_device *bdev, struct file *filp,
 		  const char __user *wbuf, char __user *rbuf,
 		  size_t count, loff_t *f_pos, bool write);
 
-int ttm_bo_swapout(struct ttm_bo_global *glob,
-			struct ttm_operation_ctx *ctx);
-void ttm_bo_swapout_all(void);
+int ttm_bo_swapout(struct ttm_operation_ctx *ctx);
 
 /**
  * ttm_bo_uses_embedded_gem_object - check if the given bo uses the
@@ -606,6 +562,31 @@ static inline bool ttm_bo_uses_embedded_gem_object(struct ttm_buffer_object *bo)
 	return bo->base.dev != NULL;
 }
 
+/**
+ * ttm_bo_pin - Pin the buffer object.
+ * @bo: The buffer object to pin
+ *
+ * Make sure the buffer is not evicted any more during memory pressure.
+ */
+static inline void ttm_bo_pin(struct ttm_buffer_object *bo)
+{
+	dma_resv_assert_held(bo->base.resv);
+	++bo->pin_count;
+}
+
+/**
+ * ttm_bo_unpin - Unpin the buffer object.
+ * @bo: The buffer object to unpin
+ *
+ * Allows the buffer object to be evicted again during memory pressure.
+ */
+static inline void ttm_bo_unpin(struct ttm_buffer_object *bo)
+{
+	dma_resv_assert_held(bo->base.resv);
+	WARN_ON_ONCE(!bo->pin_count);
+	--bo->pin_count;
+}
+
 int ttm_mem_evict_first(struct ttm_bo_device *bdev,
 			struct ttm_resource_manager *man,
 			const struct ttm_place *place,
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index 864afa8f6f18..29f6a1d1c853 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -91,31 +91,6 @@ struct ttm_bo_driver {
 	void (*ttm_tt_unpopulate)(struct ttm_bo_device *bdev, struct ttm_tt *ttm);
 
 	/**
-	 * ttm_tt_bind
-	 *
-	 * @bdev: Pointer to a ttm device
-	 * @ttm: Pointer to a struct ttm_tt.
-	 * @bo_mem: Pointer to a struct ttm_resource describing the
-	 * memory type and location for binding.
-	 *
-	 * Bind the backend pages into the aperture in the location
-	 * indicated by @bo_mem. This function should be able to handle
-	 * differences between aperture and system page sizes.
-	 */
-	int (*ttm_tt_bind)(struct ttm_bo_device *bdev, struct ttm_tt *ttm, struct ttm_resource *bo_mem);
-
-	/**
-	 * ttm_tt_unbind
-	 *
-	 * @bdev: Pointer to a ttm device
-	 * @ttm: Pointer to a struct ttm_tt.
-	 *
-	 * Unbind previously bound backend pages. This function should be
-	 * able to handle differences between aperture and system page sizes.
-	 */
-	void (*ttm_tt_unbind)(struct ttm_bo_device *bdev, struct ttm_tt *ttm);
-
-	/**
 	 * ttm_tt_destroy
 	 *
 	 * @bdev: Pointer to a ttm device
@@ -181,18 +156,9 @@ struct ttm_bo_driver {
 			     struct file *filp);
 
 	/**
-	 * Hook to notify driver about a driver move so it
-	 * can do tiling things and book-keeping.
-	 *
-	 * @evict: whether this move is evicting the buffer from the graphics
-	 * address space
+	 * Hook to notify driver about a resource delete.
 	 */
-	void (*move_notify)(struct ttm_buffer_object *bo,
-			    bool evict,
-			    struct ttm_resource *new_mem);
-	/* notify the driver we are taking a fault on this BO
-	 * and have reserved it */
-	int (*fault_reserve_notify)(struct ttm_buffer_object *bo);
+	void (*delete_mem_notify)(struct ttm_buffer_object *bo);
 
 	/**
 	 * notify the driver that we're about to swap out this bo
@@ -453,15 +419,6 @@ int ttm_bo_device_init(struct ttm_bo_device *bdev,
 void ttm_bo_unmap_virtual(struct ttm_buffer_object *bo);
 
 /**
- * ttm_bo_unmap_virtual
- *
- * @bo: tear down the virtual mappings for this BO
- *
- * The caller must take ttm_mem_io_lock before calling this function.
- */
-void ttm_bo_unmap_virtual_locked(struct ttm_buffer_object *bo);
-
-/**
  * ttm_bo_reserve:
  *
  * @bo: A pointer to a struct ttm_buffer_object.
@@ -578,32 +535,10 @@ static inline void ttm_bo_unreserve(struct ttm_buffer_object *bo)
 /*
  * ttm_bo_util.c
  */
-
 int ttm_mem_io_reserve(struct ttm_bo_device *bdev,
 		       struct ttm_resource *mem);
 void ttm_mem_io_free(struct ttm_bo_device *bdev,
 		     struct ttm_resource *mem);
-/**
- * ttm_bo_move_ttm
- *
- * @bo: A pointer to a struct ttm_buffer_object.
- * @interruptible: Sleep interruptible if waiting.
- * @no_wait_gpu: Return immediately if the GPU is busy.
- * @new_mem: struct ttm_resource indicating where to move.
- *
- * Optimized move function for a buffer object with both old and
- * new placement backed by a TTM. The function will, if successful,
- * free any old aperture space, and set (@new_mem)->mm_node to NULL,
- * and update the (@bo)->mem placement flags. If unsuccessful, the old
- * data remains untouched, and it's up to the caller to free the
- * memory space indicated by @new_mem.
- * Returns:
- * !0: Failure.
- */
-
-int ttm_bo_move_ttm(struct ttm_buffer_object *bo,
-		    struct ttm_operation_ctx *ctx,
-		    struct ttm_resource *new_mem);
 
 /**
  * ttm_bo_move_memcpy
@@ -628,15 +563,6 @@ int ttm_bo_move_memcpy(struct ttm_buffer_object *bo,
 		       struct ttm_resource *new_mem);
 
 /**
- * ttm_bo_free_old_node
- *
- * @bo: A pointer to a struct ttm_buffer_object.
- *
- * Utility function to free an old placement after a successful move.
- */
-void ttm_bo_free_old_node(struct ttm_buffer_object *bo);
-
-/**
  * ttm_bo_move_accel_cleanup.
  *
  * @bo: A pointer to a struct ttm_buffer_object.
@@ -669,13 +595,15 @@ int ttm_bo_pipeline_gutting(struct ttm_buffer_object *bo);
 /**
  * ttm_io_prot
  *
- * @c_state: Caching state.
+ * bo: ttm buffer object
+ * res: ttm resource object
  * @tmp: Page protection flag for a normal, cached mapping.
  *
  * Utility function that returns the pgprot_t that should be used for
  * setting up a PTE with the caching model indicated by @c_state.
  */
-pgprot_t ttm_io_prot(uint32_t caching_flags, pgprot_t tmp);
+pgprot_t ttm_io_prot(struct ttm_buffer_object *bo, struct ttm_resource *res,
+		     pgprot_t tmp);
 
 /**
  * ttm_bo_tt_bind
@@ -685,13 +613,6 @@ pgprot_t ttm_io_prot(uint32_t caching_flags, pgprot_t tmp);
 int ttm_bo_tt_bind(struct ttm_buffer_object *bo, struct ttm_resource *mem);
 
 /**
- * ttm_bo_tt_bind
- *
- * Unbind the object tt from a memory resource.
- */
-void ttm_bo_tt_unbind(struct ttm_buffer_object *bo);
-
-/**
  * ttm_bo_tt_destroy.
  */
 void ttm_bo_tt_destroy(struct ttm_buffer_object *bo);
diff --git a/include/drm/ttm/ttm_caching.h b/include/drm/ttm/ttm_caching.h
new file mode 100644
index 000000000000..161624dcf6be
--- /dev/null
+++ b/include/drm/ttm/ttm_caching.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2020 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Christian König
+ */
+
+#ifndef _TTM_CACHING_H_
+#define _TTM_CACHING_H_
+
+enum ttm_caching {
+	ttm_uncached,
+	ttm_write_combined,
+	ttm_cached
+};
+
+#endif
diff --git a/include/drm/ttm/ttm_page_alloc.h b/include/drm/ttm/ttm_page_alloc.h
index a6b6ef5f9bf4..8fa1e7df6213 100644
--- a/include/drm/ttm/ttm_page_alloc.h
+++ b/include/drm/ttm/ttm_page_alloc.h
@@ -61,13 +61,13 @@ void ttm_pool_unpopulate(struct ttm_tt *ttm);
 /**
  * Populates and DMA maps pages to fullfil a ttm_dma_populate() request
  */
-int ttm_populate_and_map_pages(struct device *dev, struct ttm_dma_tt *tt,
+int ttm_populate_and_map_pages(struct device *dev, struct ttm_tt *tt,
 				struct ttm_operation_ctx *ctx);
 
 /**
  * Unpopulates and DMA unmaps pages as part of a
  * ttm_dma_unpopulate() request */
-void ttm_unmap_and_unpopulate_pages(struct device *dev, struct ttm_dma_tt *tt);
+void ttm_unmap_and_unpopulate_pages(struct device *dev, struct ttm_tt *tt);
 
 /**
  * Output the state of pools to debugfs file
@@ -90,9 +90,9 @@ void ttm_dma_page_alloc_fini(void);
  */
 int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data);
 
-int ttm_dma_populate(struct ttm_dma_tt *ttm_dma, struct device *dev,
+int ttm_dma_populate(struct ttm_tt *ttm_dma, struct device *dev,
 			struct ttm_operation_ctx *ctx);
-void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct device *dev);
+void ttm_dma_unpopulate(struct ttm_tt *ttm_dma, struct device *dev);
 
 #else
 static inline int ttm_dma_page_alloc_init(struct ttm_mem_global *glob,
@@ -107,13 +107,13 @@ static inline int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data)
 {
 	return 0;
 }
-static inline int ttm_dma_populate(struct ttm_dma_tt *ttm_dma,
+static inline int ttm_dma_populate(struct ttm_tt *ttm_dma,
 				struct device *dev,
 				struct ttm_operation_ctx *ctx)
 {
 	return -ENOMEM;
 }
-static inline void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma,
+static inline void ttm_dma_unpopulate(struct ttm_tt *ttm_dma,
 				      struct device *dev)
 {
 }
diff --git a/include/drm/ttm/ttm_placement.h b/include/drm/ttm/ttm_placement.h
index d4022655eae4..aa6ba4d0cf78 100644
--- a/include/drm/ttm/ttm_placement.h
+++ b/include/drm/ttm/ttm_placement.h
@@ -43,28 +43,13 @@
 #define TTM_PL_PRIV             3
 
 /*
- * Other flags that affects data placement.
- * TTM_PL_FLAG_CACHED indicates cache-coherent mappings
- * if available.
- * TTM_PL_FLAG_SHARED means that another application may
- * reference the buffer.
- * TTM_PL_FLAG_NO_EVICT means that the buffer may never
- * be evicted to make room for other buffers.
  * TTM_PL_FLAG_TOPDOWN requests to be placed from the
  * top of the memory area, instead of the bottom.
  */
 
-#define TTM_PL_FLAG_CACHED      (1 << 16)
-#define TTM_PL_FLAG_UNCACHED    (1 << 17)
-#define TTM_PL_FLAG_WC          (1 << 18)
 #define TTM_PL_FLAG_CONTIGUOUS  (1 << 19)
-#define TTM_PL_FLAG_NO_EVICT    (1 << 21)
 #define TTM_PL_FLAG_TOPDOWN     (1 << 22)
 
-#define TTM_PL_MASK_CACHING     (TTM_PL_FLAG_CACHED | \
-				 TTM_PL_FLAG_UNCACHED | \
-				 TTM_PL_FLAG_WC)
-
 /**
  * struct ttm_place
  *
diff --git a/include/drm/ttm/ttm_resource.h b/include/drm/ttm/ttm_resource.h
index 0e172d94a0c1..f48a70d39ac5 100644
--- a/include/drm/ttm/ttm_resource.h
+++ b/include/drm/ttm/ttm_resource.h
@@ -29,6 +29,7 @@
 #include <linux/mutex.h>
 #include <linux/dma-fence.h>
 #include <drm/drm_print.h>
+#include <drm/ttm/ttm_caching.h>
 
 #define TTM_MAX_BO_PRIORITY	4U
 
@@ -148,9 +149,10 @@ struct ttm_resource_manager {
  * Structure indicating the bus placement of an object.
  */
 struct ttm_bus_placement {
-	void		*addr;
-	phys_addr_t	offset;
-	bool		is_iomem;
+	void			*addr;
+	phys_addr_t		offset;
+	bool			is_iomem;
+	enum ttm_caching	caching;
 };
 
 /**
@@ -228,8 +230,8 @@ void ttm_resource_free(struct ttm_buffer_object *bo, struct ttm_resource *res);
 void ttm_resource_manager_init(struct ttm_resource_manager *man,
 			       unsigned long p_size);
 
-int ttm_resource_manager_force_list_clean(struct ttm_bo_device *bdev,
-					  struct ttm_resource_manager *man);
+int ttm_resource_manager_evict_all(struct ttm_bo_device *bdev,
+				   struct ttm_resource_manager *man);
 
 void ttm_resource_manager_debug(struct ttm_resource_manager *man,
 				struct drm_printer *p);
diff --git a/include/drm/ttm/ttm_set_memory.h b/include/drm/ttm/ttm_set_memory.h
deleted file mode 100644
index 7c492b49e38c..000000000000
--- a/include/drm/ttm/ttm_set_memory.h
+++ /dev/null
@@ -1,150 +0,0 @@
-/**************************************************************************
- *
- * Copyright (c) 2018 Advanced Micro Devices, Inc.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
- * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
- * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
- * USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-/*
- * Authors: Huang Rui <ray.huang@amd.com>
- */
-
-#ifndef TTM_SET_MEMORY
-#define TTM_SET_MEMORY
-
-#include <linux/mm.h>
-
-#ifdef CONFIG_X86
-
-#include <asm/set_memory.h>
-
-static inline int ttm_set_pages_array_wb(struct page **pages, int addrinarray)
-{
-	return set_pages_array_wb(pages, addrinarray);
-}
-
-static inline int ttm_set_pages_array_wc(struct page **pages, int addrinarray)
-{
-	return set_pages_array_wc(pages, addrinarray);
-}
-
-static inline int ttm_set_pages_array_uc(struct page **pages, int addrinarray)
-{
-	return set_pages_array_uc(pages, addrinarray);
-}
-
-static inline int ttm_set_pages_wb(struct page *page, int numpages)
-{
-	return set_pages_wb(page, numpages);
-}
-
-static inline int ttm_set_pages_wc(struct page *page, int numpages)
-{
-	unsigned long addr = (unsigned long)page_address(page);
-
-	return set_memory_wc(addr, numpages);
-}
-
-static inline int ttm_set_pages_uc(struct page *page, int numpages)
-{
-	return set_pages_uc(page, numpages);
-}
-
-#else /* for CONFIG_X86 */
-
-#if IS_ENABLED(CONFIG_AGP)
-
-#include <asm/agp.h>
-
-static inline int ttm_set_pages_array_wb(struct page **pages, int addrinarray)
-{
-	int i;
-
-	for (i = 0; i < addrinarray; i++)
-		unmap_page_from_agp(pages[i]);
-	return 0;
-}
-
-static inline int ttm_set_pages_array_wc(struct page **pages, int addrinarray)
-{
-	int i;
-
-	for (i = 0; i < addrinarray; i++)
-		map_page_into_agp(pages[i]);
-	return 0;
-}
-
-static inline int ttm_set_pages_array_uc(struct page **pages, int addrinarray)
-{
-	int i;
-
-	for (i = 0; i < addrinarray; i++)
-		map_page_into_agp(pages[i]);
-	return 0;
-}
-
-static inline int ttm_set_pages_wb(struct page *page, int numpages)
-{
-	int i;
-
-	for (i = 0; i < numpages; i++)
-		unmap_page_from_agp(page++);
-	return 0;
-}
-
-#else /* for CONFIG_AGP */
-
-static inline int ttm_set_pages_array_wb(struct page **pages, int addrinarray)
-{
-	return 0;
-}
-
-static inline int ttm_set_pages_array_wc(struct page **pages, int addrinarray)
-{
-	return 0;
-}
-
-static inline int ttm_set_pages_array_uc(struct page **pages, int addrinarray)
-{
-	return 0;
-}
-
-static inline int ttm_set_pages_wb(struct page *page, int numpages)
-{
-	return 0;
-}
-
-#endif /* for CONFIG_AGP */
-
-static inline int ttm_set_pages_wc(struct page *page, int numpages)
-{
-	return 0;
-}
-
-static inline int ttm_set_pages_uc(struct page *page, int numpages)
-{
-	return 0;
-}
-
-#endif /* for CONFIG_X86 */
-
-#endif
diff --git a/include/drm/ttm/ttm_tt.h b/include/drm/ttm/ttm_tt.h
index 75208c0a0cac..df9a80650feb 100644
--- a/include/drm/ttm/ttm_tt.h
+++ b/include/drm/ttm/ttm_tt.h
@@ -28,15 +28,14 @@
 #define _TTM_TT_H_
 
 #include <linux/types.h>
+#include <drm/ttm/ttm_caching.h>
 
 struct ttm_tt;
 struct ttm_resource;
 struct ttm_buffer_object;
 struct ttm_operation_ctx;
 
-#define TTM_PAGE_FLAG_WRITE           (1 << 3)
 #define TTM_PAGE_FLAG_SWAPPED         (1 << 4)
-#define TTM_PAGE_FLAG_PERSISTENT_SWAP (1 << 5)
 #define TTM_PAGE_FLAG_ZERO_ALLOC      (1 << 6)
 #define TTM_PAGE_FLAG_DMA32           (1 << 7)
 #define TTM_PAGE_FLAG_SG              (1 << 8)
@@ -44,22 +43,17 @@ struct ttm_operation_ctx;
 
 #define TTM_PAGE_FLAG_PRIV_POPULATED  (1 << 31)
 
-enum ttm_caching_state {
-	tt_uncached,
-	tt_wc,
-	tt_cached
-};
-
 /**
  * struct ttm_tt
  *
  * @pages: Array of pages backing the data.
+ * @page_flags: see TTM_PAGE_FLAG_*
  * @num_pages: Number of pages in the page array.
- * @bdev: Pointer to the current struct ttm_bo_device.
- * @be: Pointer to the ttm backend.
+ * @sg: for SG objects via dma-buf
+ * @dma_address: The DMA (bus) addresses of the pages
  * @swap_storage: Pointer to shmem struct file for swap storage.
- * @caching_state: The current caching state of the pages.
- * @state: The current binding state of the pages.
+ * @pages_list: used by some page allocation backend
+ * @caching: The current caching state of the pages.
  *
  * This is a structure holding the pages, caching- and aperture binding
  * status for a buffer object that isn't backed by fixed (VRAM / AGP)
@@ -68,10 +62,12 @@ enum ttm_caching_state {
 struct ttm_tt {
 	struct page **pages;
 	uint32_t page_flags;
-	unsigned long num_pages;
-	struct sg_table *sg; /* for SG objects via dma-buf */
+	uint32_t num_pages;
+	struct sg_table *sg;
+	dma_addr_t *dma_address;
 	struct file *swap_storage;
-	enum ttm_caching_state caching_state;
+	struct list_head pages_list;
+	enum ttm_caching caching;
 };
 
 static inline bool ttm_tt_is_populated(struct ttm_tt *tt)
@@ -79,33 +75,6 @@ static inline bool ttm_tt_is_populated(struct ttm_tt *tt)
 	return tt->page_flags & TTM_PAGE_FLAG_PRIV_POPULATED;
 }
 
-static inline void ttm_tt_set_unpopulated(struct ttm_tt *tt)
-{
-	tt->page_flags &= ~TTM_PAGE_FLAG_PRIV_POPULATED;
-}
-
-static inline void ttm_tt_set_populated(struct ttm_tt *tt)
-{
-	tt->page_flags |= TTM_PAGE_FLAG_PRIV_POPULATED;
-}
-
-/**
- * struct ttm_dma_tt
- *
- * @ttm: Base ttm_tt struct.
- * @dma_address: The DMA (bus) addresses of the pages
- * @pages_list: used by some page allocation backend
- *
- * This is a structure holding the pages, caching- and aperture binding
- * status for a buffer object that isn't backed by fixed (VRAM / AGP)
- * memory.
- */
-struct ttm_dma_tt {
-	struct ttm_tt ttm;
-	dma_addr_t *dma_address;
-	struct list_head pages_list;
-};
-
 /**
  * ttm_tt_create
  *
@@ -123,6 +92,7 @@ int ttm_tt_create(struct ttm_buffer_object *bo, bool zero_alloc);
  * @ttm: The struct ttm_tt.
  * @bo: The buffer object we create the ttm for.
  * @page_flags: Page flags as identified by TTM_PAGE_FLAG_XX flags.
+ * @caching: the desired caching state of the pages
  *
  * Create a struct ttm_tt to back data with system memory pages.
  * No pages are actually allocated.
@@ -130,11 +100,11 @@ int ttm_tt_create(struct ttm_buffer_object *bo, bool zero_alloc);
  * NULL: Out of memory.
  */
 int ttm_tt_init(struct ttm_tt *ttm, struct ttm_buffer_object *bo,
-		uint32_t page_flags);
-int ttm_dma_tt_init(struct ttm_dma_tt *ttm_dma, struct ttm_buffer_object *bo,
-		    uint32_t page_flags);
-int ttm_sg_tt_init(struct ttm_dma_tt *ttm_dma, struct ttm_buffer_object *bo,
-		   uint32_t page_flags);
+		uint32_t page_flags, enum ttm_caching caching);
+int ttm_dma_tt_init(struct ttm_tt *ttm_dma, struct ttm_buffer_object *bo,
+		    uint32_t page_flags, enum ttm_caching caching);
+int ttm_sg_tt_init(struct ttm_tt *ttm_dma, struct ttm_buffer_object *bo,
+		   uint32_t page_flags, enum ttm_caching caching);
 
 /**
  * ttm_tt_fini
@@ -144,7 +114,6 @@ int ttm_sg_tt_init(struct ttm_dma_tt *ttm_dma, struct ttm_buffer_object *bo,
  * Free memory of ttm_tt structure
  */
 void ttm_tt_fini(struct ttm_tt *ttm);
-void ttm_dma_tt_fini(struct ttm_dma_tt *ttm_dma);
 
 /**
  * ttm_ttm_destroy:
@@ -170,22 +139,7 @@ void ttm_tt_destroy_common(struct ttm_bo_device *bdev, struct ttm_tt *ttm);
  * Swap in a previously swap out ttm_tt.
  */
 int ttm_tt_swapin(struct ttm_tt *ttm);
-
-/**
- * ttm_tt_set_placement_caching:
- *
- * @ttm A struct ttm_tt the backing pages of which will change caching policy.
- * @placement: Flag indicating the desired caching policy.
- *
- * This function will change caching policy of any default kernel mappings of
- * the pages backing @ttm. If changing from cached to uncached or
- * write-combined,
- * all CPU caches will first be flushed to make sure the data of the pages
- * hit RAM. This function may be very costly as it involves global TLB
- * and cache flushes and potential page splitting / combining.
- */
-int ttm_tt_set_placement_caching(struct ttm_tt *ttm, uint32_t placement);
-int ttm_tt_swapout(struct ttm_bo_device *bdev, struct ttm_tt *ttm, struct file *persistent_swap_storage);
+int ttm_tt_swapout(struct ttm_bo_device *bdev, struct ttm_tt *ttm);
 
 /**
  * ttm_tt_populate - allocate pages for a ttm