Merging upstream version 6.9.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

13 files changed, 191 insertions, 274 deletions

diff --git a/drivers/gpu/drm/vmwgfx/ttm_object.c b/drivers/gpu/drm/vmwgfx/ttm_object.c
index ddf8373c1d..6806c05e57 100644
--- a/drivers/gpu/drm/vmwgfx/ttm_object.c
+++ b/drivers/gpu/drm/vmwgfx/ttm_object.c
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0 OR MIT */
 /**************************************************************************
  *
- * Copyright (c) 2009-2022 VMware, Inc., Palo Alto, CA., USA
+ * Copyright (c) 2009-2023 VMware, Inc., Palo Alto, CA., USA
  * All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
@@ -648,7 +648,6 @@ out_unref:
  * @tfile: struct ttm_object_file identifying the caller
  * @size: The size of the dma_bufs we export.
  * @prime: The object to be initialized.
- * @shareable: See ttm_base_object_init
  * @type: See ttm_base_object_init
  * @refcount_release: See ttm_base_object_init
  *
@@ -656,10 +655,11 @@ out_unref:
  * for data sharing between processes and devices.
  */
 int ttm_prime_object_init(struct ttm_object_file *tfile, size_t size,
-			  struct ttm_prime_object *prime, bool shareable,
+			  struct ttm_prime_object *prime,
 			  enum ttm_object_type type,
 			  void (*refcount_release) (struct ttm_base_object **))
 {
+	bool shareable = !!(type == VMW_RES_SURFACE);
 	mutex_init(&prime->mutex);
 	prime->size = PAGE_ALIGN(size);
 	prime->real_type = type;
diff --git a/drivers/gpu/drm/vmwgfx/ttm_object.h b/drivers/gpu/drm/vmwgfx/ttm_object.h
index e6b77ee33e..573e038c0f 100644
--- a/drivers/gpu/drm/vmwgfx/ttm_object.h
+++ b/drivers/gpu/drm/vmwgfx/ttm_object.h
@@ -1,6 +1,6 @@
 /**************************************************************************
  *
- * Copyright (c) 2006-2022 VMware, Inc., Palo Alto, CA., USA
+ * Copyright (c) 2006-2023 VMware, Inc., Palo Alto, CA., USA
  * All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
@@ -288,7 +288,6 @@ extern void ttm_object_device_release(struct ttm_object_device **p_tdev);
 extern int ttm_prime_object_init(struct ttm_object_file *tfile,
 				 size_t size,
 				 struct ttm_prime_object *prime,
-				 bool shareable,
 				 enum ttm_object_type type,
 				 void (*refcount_release)
 				 (struct ttm_base_object **));
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
index ae796e0c64..00144632c6 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
@@ -744,9 +744,21 @@ void vmw_bo_move_notify(struct ttm_buffer_object *bo,
 		vmw_resource_unbind_list(vbo);
 }
 
+static u32 placement_flags(u32 domain, u32 desired, u32 fallback)
+{
+	if (desired & fallback & domain)
+		return 0;
+
+	if (desired & domain)
+		return TTM_PL_FLAG_DESIRED;
+
+	return TTM_PL_FLAG_FALLBACK;
+}
+
 static u32
-set_placement_list(struct ttm_place *pl, u32 domain)
+set_placement_list(struct ttm_place *pl, u32 desired, u32 fallback)
 {
+	u32 domain = desired | fallback;
 	u32 n = 0;
 
 	/*
@@ -754,35 +766,40 @@ set_placement_list(struct ttm_place *pl, u32 domain)
 	 */
 	if (domain & VMW_BO_DOMAIN_MOB) {
 		pl[n].mem_type = VMW_PL_MOB;
-		pl[n].flags = 0;
+		pl[n].flags = placement_flags(VMW_BO_DOMAIN_MOB, desired,
+					      fallback);
 		pl[n].fpfn = 0;
 		pl[n].lpfn = 0;
 		n++;
 	}
 	if (domain & VMW_BO_DOMAIN_GMR) {
 		pl[n].mem_type = VMW_PL_GMR;
-		pl[n].flags = 0;
+		pl[n].flags = placement_flags(VMW_BO_DOMAIN_GMR, desired,
+					      fallback);
 		pl[n].fpfn = 0;
 		pl[n].lpfn = 0;
 		n++;
 	}
 	if (domain & VMW_BO_DOMAIN_VRAM) {
 		pl[n].mem_type = TTM_PL_VRAM;
-		pl[n].flags = 0;
+		pl[n].flags = placement_flags(VMW_BO_DOMAIN_VRAM, desired,
+					      fallback);
 		pl[n].fpfn = 0;
 		pl[n].lpfn = 0;
 		n++;
 	}
 	if (domain & VMW_BO_DOMAIN_WAITABLE_SYS) {
 		pl[n].mem_type = VMW_PL_SYSTEM;
-		pl[n].flags = 0;
+		pl[n].flags = placement_flags(VMW_BO_DOMAIN_WAITABLE_SYS,
+					      desired, fallback);
 		pl[n].fpfn = 0;
 		pl[n].lpfn = 0;
 		n++;
 	}
 	if (domain & VMW_BO_DOMAIN_SYS) {
 		pl[n].mem_type = TTM_PL_SYSTEM;
-		pl[n].flags = 0;
+		pl[n].flags = placement_flags(VMW_BO_DOMAIN_SYS, desired,
+					      fallback);
 		pl[n].fpfn = 0;
 		pl[n].lpfn = 0;
 		n++;
@@ -808,7 +825,7 @@ void vmw_bo_placement_set(struct vmw_bo *bo, u32 domain, u32 busy_domain)
 	u32 i;
 
 	pl->placement = bo->places;
-	pl->num_placement = set_placement_list(bo->places, domain);
+	pl->num_placement = set_placement_list(bo->places, domain, busy_domain);
 
 	if (drm_debug_enabled(DRM_UT_DRIVER) && bo->tbo.resource) {
 		for (i = 0; i < pl->num_placement; ++i) {
@@ -823,8 +840,6 @@ void vmw_bo_placement_set(struct vmw_bo *bo, u32 domain, u32 busy_domain)
 				 __func__, bo->tbo.resource->mem_type, domain);
 	}
 
-	pl->busy_placement = bo->busy_places;
-	pl->num_busy_placement = set_placement_list(bo->busy_places, busy_domain);
 }
 
 void vmw_bo_placement_set_default_accelerated(struct vmw_bo *bo)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index 58fb40c931..bea576434e 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -956,13 +956,6 @@ static int vmw_driver_load(struct vmw_private *dev_priv, u32 pci_id)
 				vmw_read(dev_priv,
 					 SVGA_REG_SUGGESTED_GBOBJECT_MEM_SIZE_KB);
 
-		/*
-		 * Workaround for low memory 2D VMs to compensate for the
-		 * allocation taken by fbdev
-		 */
-		if (!(dev_priv->capabilities & SVGA_CAP_3D))
-			mem_size *= 3;
-
 		dev_priv->max_mob_pages = mem_size * 1024 / PAGE_SIZE;
 		dev_priv->max_primary_mem =
 			vmw_read(dev_priv, SVGA_REG_MAX_PRIMARY_MEM);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
index 6acc7ad0e9..c1430e5547 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
@@ -942,7 +942,6 @@ vmw_is_cursor_bypass3_enabled(const struct vmw_private *dev_priv)
 
 extern const size_t vmw_tt_size;
 extern struct ttm_placement vmw_vram_placement;
-extern struct ttm_placement vmw_vram_gmr_placement;
 extern struct ttm_placement vmw_sys_placement;
 extern struct ttm_device_funcs vmw_bo_driver;
 extern const struct vmw_sg_table *
@@ -1067,9 +1066,6 @@ void vmw_kms_cursor_snoop(struct vmw_surface *srf,
 int vmw_kms_write_svga(struct vmw_private *vmw_priv,
 		       unsigned width, unsigned height, unsigned pitch,
 		       unsigned bpp, unsigned depth);
-bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
-				uint32_t pitch,
-				uint32_t height);
 int vmw_kms_present(struct vmw_private *dev_priv,
 		    struct drm_file *file_priv,
 		    struct vmw_framebuffer *vfb,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
index 5fef0b31c1..cc3086e649 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c
@@ -621,10 +621,10 @@ static int vmw_resources_reserve(struct vmw_sw_context *sw_context)
  * @sw_context: Pointer to the software context.
  * @res_type: Resource type.
  * @dirty: Whether to change dirty status.
- * @converter: User-space visisble type specific information.
+ * @converter: User-space visible type specific information.
  * @id_loc: Pointer to the location in the command buffer currently being parsed
  * from where the user-space resource id handle is located.
- * @p_res: Pointer to pointer to resource validalidation node. Populated on
+ * @p_res: Pointer to pointer to resource validation node. Populated on
  * exit.
  */
 static int
@@ -3611,6 +3611,8 @@ static const struct vmw_cmd_entry vmw_cmd_entries[SVGA_3D_CMD_MAX] = {
 		    &vmw_cmd_dx_bind_streamoutput, true, false, true),
 	VMW_CMD_DEF(SVGA_3D_CMD_DX_DEFINE_RASTERIZER_STATE_V2,
 		    &vmw_cmd_dx_so_define, true, false, true),
+	VMW_CMD_DEF(SVGA_3D_CMD_DEFINE_GB_SURFACE_V4,
+		    &vmw_cmd_invalid, false, false, true),
 };
 
 bool vmw_cmd_describe(const void *buf, u32 *size, char const **cmd)
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index f27afc6e39..11755d143e 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -35,6 +35,7 @@
 #include <drm/drm_fourcc.h>
 #include <drm/drm_rect.h>
 #include <drm/drm_sysfs.h>
+#include <drm/drm_edid.h>
 
 void vmw_du_cleanup(struct vmw_display_unit *du)
 {
@@ -215,7 +216,7 @@ static bool vmw_du_cursor_plane_has_changed(struct vmw_plane_state *old_vps,
 	new_image = vmw_du_cursor_plane_acquire_image(new_vps);
 
 	changed = false;
-	if (old_image && new_image)
+	if (old_image && new_image && old_image != new_image)
 		changed = memcmp(old_image, new_image, size) != 0;
 
 	return changed;
@@ -2156,13 +2157,12 @@ int vmw_kms_write_svga(struct vmw_private *vmw_priv,
 	return 0;
 }
 
+static
 bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
-				uint32_t pitch,
-				uint32_t height)
+				u64 pitch,
+				u64 height)
 {
-	return ((u64) pitch * (u64) height) < (u64)
-		((dev_priv->active_display_unit == vmw_du_screen_target) ?
-		 dev_priv->max_primary_mem : dev_priv->vram_size);
+	return (pitch * height) < (u64)dev_priv->vram_size;
 }
 
 /**
@@ -2285,107 +2285,6 @@ vmw_du_connector_detect(struct drm_connector *connector, bool force)
 		connector_status_connected : connector_status_disconnected);
 }
 
-static struct drm_display_mode vmw_kms_connector_builtin[] = {
-	/* 640x480@60Hz */
-	{ DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
-		   752, 800, 0, 480, 489, 492, 525, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
-	/* 800x600@60Hz */
-	{ DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
-		   968, 1056, 0, 600, 601, 605, 628, 0,
-		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
-	/* 1024x768@60Hz */
-	{ DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
-		   1184, 1344, 0, 768, 771, 777, 806, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
-	/* 1152x864@75Hz */
-	{ DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
-		   1344, 1600, 0, 864, 865, 868, 900, 0,
-		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
-	/* 1280x720@60Hz */
-	{ DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74500, 1280, 1344,
-		   1472, 1664, 0, 720, 723, 728, 748, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
-	/* 1280x768@60Hz */
-	{ DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
-		   1472, 1664, 0, 768, 771, 778, 798, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
-	/* 1280x800@60Hz */
-	{ DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
-		   1480, 1680, 0, 800, 803, 809, 831, 0,
-		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
-	/* 1280x960@60Hz */
-	{ DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
-		   1488, 1800, 0, 960, 961, 964, 1000, 0,
-		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
-	/* 1280x1024@60Hz */
-	{ DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
-		   1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
-		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
-	/* 1360x768@60Hz */
-	{ DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
-		   1536, 1792, 0, 768, 771, 777, 795, 0,
-		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
-	/* 1440x1050@60Hz */
-	{ DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
-		   1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
-	/* 1440x900@60Hz */
-	{ DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
-		   1672, 1904, 0, 900, 903, 909, 934, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
-	/* 1600x1200@60Hz */
-	{ DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
-		   1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
-		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
-	/* 1680x1050@60Hz */
-	{ DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
-		   1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
-	/* 1792x1344@60Hz */
-	{ DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
-		   2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
-	/* 1853x1392@60Hz */
-	{ DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
-		   2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
-	/* 1920x1080@60Hz */
-	{ DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 173000, 1920, 2048,
-		   2248, 2576, 0, 1080, 1083, 1088, 1120, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
-	/* 1920x1200@60Hz */
-	{ DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
-		   2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
-	/* 1920x1440@60Hz */
-	{ DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
-		   2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
-	/* 2560x1440@60Hz */
-	{ DRM_MODE("2560x1440", DRM_MODE_TYPE_DRIVER, 241500, 2560, 2608,
-		   2640, 2720, 0, 1440, 1443, 1448, 1481, 0,
-		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
-	/* 2560x1600@60Hz */
-	{ DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
-		   3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
-		   DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
-	/* 2880x1800@60Hz */
-	{ DRM_MODE("2880x1800", DRM_MODE_TYPE_DRIVER, 337500, 2880, 2928,
-		   2960, 3040, 0, 1800, 1803, 1809, 1852, 0,
-		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
-	/* 3840x2160@60Hz */
-	{ DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 533000, 3840, 3888,
-		   3920, 4000, 0, 2160, 2163, 2168, 2222, 0,
-		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
-	/* 3840x2400@60Hz */
-	{ DRM_MODE("3840x2400", DRM_MODE_TYPE_DRIVER, 592250, 3840, 3888,
-		   3920, 4000, 0, 2400, 2403, 2409, 2469, 0,
-		   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
-	/* Terminate */
-	{ DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) },
-};
-
 /**
  * vmw_guess_mode_timing - Provide fake timings for a
  * 60Hz vrefresh mode.
@@ -2407,88 +2306,6 @@ void vmw_guess_mode_timing(struct drm_display_mode *mode)
 }
 
 
-int vmw_du_connector_fill_modes(struct drm_connector *connector,
-				uint32_t max_width, uint32_t max_height)
-{
-	struct vmw_display_unit *du = vmw_connector_to_du(connector);
-	struct drm_device *dev = connector->dev;
-	struct vmw_private *dev_priv = vmw_priv(dev);
-	struct drm_display_mode *mode = NULL;
-	struct drm_display_mode *bmode;
-	struct drm_display_mode prefmode = { DRM_MODE("preferred",
-		DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
-		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-		DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)
-	};
-	int i;
-	u32 assumed_bpp = 4;
-
-	if (dev_priv->assume_16bpp)
-		assumed_bpp = 2;
-
-	max_width  = min(max_width,  dev_priv->texture_max_width);
-	max_height = min(max_height, dev_priv->texture_max_height);
-
-	/*
-	 * For STDU extra limit for a mode on SVGA_REG_SCREENTARGET_MAX_WIDTH/
-	 * HEIGHT registers.
-	 */
-	if (dev_priv->active_display_unit == vmw_du_screen_target) {
-		max_width  = min(max_width,  dev_priv->stdu_max_width);
-		max_height = min(max_height, dev_priv->stdu_max_height);
-	}
-
-	/* Add preferred mode */
-	mode = drm_mode_duplicate(dev, &prefmode);
-	if (!mode)
-		return 0;
-	mode->hdisplay = du->pref_width;
-	mode->vdisplay = du->pref_height;
-	vmw_guess_mode_timing(mode);
-	drm_mode_set_name(mode);
-
-	if (vmw_kms_validate_mode_vram(dev_priv,
-					mode->hdisplay * assumed_bpp,
-					mode->vdisplay)) {
-		drm_mode_probed_add(connector, mode);
-	} else {
-		drm_mode_destroy(dev, mode);
-		mode = NULL;
-	}
-
-	if (du->pref_mode) {
-		list_del_init(&du->pref_mode->head);
-		drm_mode_destroy(dev, du->pref_mode);
-	}
-
-	/* mode might be null here, this is intended */
-	du->pref_mode = mode;
-
-	for (i = 0; vmw_kms_connector_builtin[i].type != 0; i++) {
-		bmode = &vmw_kms_connector_builtin[i];
-		if (bmode->hdisplay > max_width ||
-		    bmode->vdisplay > max_height)
-			continue;
-
-		if (!vmw_kms_validate_mode_vram(dev_priv,
-						bmode->hdisplay * assumed_bpp,
-						bmode->vdisplay))
-			continue;
-
-		mode = drm_mode_duplicate(dev, bmode);
-		if (!mode)
-			return 0;
-
-		drm_mode_probed_add(connector, mode);
-	}
-
-	drm_connector_list_update(connector);
-	/* Move the prefered mode first, help apps pick the right mode. */
-	drm_mode_sort(&connector->modes);
-
-	return 1;
-}
-
 /**
  * vmw_kms_update_layout_ioctl - Handler for DRM_VMW_UPDATE_LAYOUT ioctl
  * @dev: drm device for the ioctl
@@ -3029,3 +2846,84 @@ out_unref:
 	vmw_validation_unref_lists(&val_ctx);
 	return ret;
 }
+
+/**
+ * vmw_connector_mode_valid - implements drm_connector_helper_funcs.mode_valid callback
+ *
+ * @connector: the drm connector, part of a DU container
+ * @mode: drm mode to check
+ *
+ * Returns MODE_OK on success, or a drm_mode_status error code.
+ */
+enum drm_mode_status vmw_connector_mode_valid(struct drm_connector *connector,
+					      struct drm_display_mode *mode)
+{
+	enum drm_mode_status ret;
+	struct drm_device *dev = connector->dev;
+	struct vmw_private *dev_priv = vmw_priv(dev);
+	u32 assumed_cpp = 4;
+
+	if (dev_priv->assume_16bpp)
+		assumed_cpp = 2;
+
+	ret = drm_mode_validate_size(mode, dev_priv->texture_max_width,
+				     dev_priv->texture_max_height);
+	if (ret != MODE_OK)
+		return ret;
+
+	if (!vmw_kms_validate_mode_vram(dev_priv,
+					mode->hdisplay * assumed_cpp,
+					mode->vdisplay))
+		return MODE_MEM;
+
+	return MODE_OK;
+}
+
+/**
+ * vmw_connector_get_modes - implements drm_connector_helper_funcs.get_modes callback
+ *
+ * @connector: the drm connector, part of a DU container
+ *
+ * Returns the number of added modes.
+ */
+int vmw_connector_get_modes(struct drm_connector *connector)
+{
+	struct vmw_display_unit *du = vmw_connector_to_du(connector);
+	struct drm_device *dev = connector->dev;
+	struct vmw_private *dev_priv = vmw_priv(dev);
+	struct drm_display_mode *mode = NULL;
+	struct drm_display_mode prefmode = { DRM_MODE("preferred",
+		DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+		DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)
+	};
+	u32 max_width;
+	u32 max_height;
+	u32 num_modes;
+
+	/* Add preferred mode */
+	mode = drm_mode_duplicate(dev, &prefmode);
+	if (!mode)
+		return 0;
+
+	mode->hdisplay = du->pref_width;
+	mode->vdisplay = du->pref_height;
+	vmw_guess_mode_timing(mode);
+	drm_mode_set_name(mode);
+
+	drm_mode_probed_add(connector, mode);
+	drm_dbg_kms(dev, "preferred mode " DRM_MODE_FMT "\n", DRM_MODE_ARG(mode));
+
+	/* Probe connector for all modes not exceeding our geom limits */
+	max_width  = dev_priv->texture_max_width;
+	max_height = dev_priv->texture_max_height;
+
+	if (dev_priv->active_display_unit == vmw_du_screen_target) {
+		max_width  = min(dev_priv->stdu_max_width,  max_width);
+		max_height = min(dev_priv->stdu_max_height, max_height);
+	}
+
+	num_modes = 1 + drm_add_modes_noedid(connector, max_width, max_height);
+
+	return num_modes;
+}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
index 9fda4f4ec7..19a843da87 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
@@ -378,7 +378,6 @@ struct vmw_display_unit {
 	unsigned pref_width;
 	unsigned pref_height;
 	bool pref_active;
-	struct drm_display_mode *pref_mode;
 
 	/*
 	 * Gui positioning
@@ -428,8 +427,6 @@ void vmw_du_connector_save(struct drm_connector *connector);
 void vmw_du_connector_restore(struct drm_connector *connector);
 enum drm_connector_status
 vmw_du_connector_detect(struct drm_connector *connector, bool force);
-int vmw_du_connector_fill_modes(struct drm_connector *connector,
-				uint32_t max_width, uint32_t max_height);
 int vmw_kms_helper_dirty(struct vmw_private *dev_priv,
 			 struct vmw_framebuffer *framebuffer,
 			 const struct drm_clip_rect *clips,
@@ -438,6 +435,9 @@ int vmw_kms_helper_dirty(struct vmw_private *dev_priv,
 			 int num_clips,
 			 int increment,
 			 struct vmw_kms_dirty *dirty);
+enum drm_mode_status vmw_connector_mode_valid(struct drm_connector *connector,
+					      struct drm_display_mode *mode);
+int vmw_connector_get_modes(struct drm_connector *connector);
 
 void vmw_kms_helper_validation_finish(struct vmw_private *dev_priv,
 				      struct drm_file *file_priv,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
index a82fa97003..c4db4aecca 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
@@ -304,7 +304,7 @@ static void vmw_ldu_connector_destroy(struct drm_connector *connector)
 static const struct drm_connector_funcs vmw_legacy_connector_funcs = {
 	.dpms = vmw_du_connector_dpms,
 	.detect = vmw_du_connector_detect,
-	.fill_modes = vmw_du_connector_fill_modes,
+	.fill_modes = drm_helper_probe_single_connector_modes,
 	.destroy = vmw_ldu_connector_destroy,
 	.reset = vmw_du_connector_reset,
 	.atomic_duplicate_state = vmw_du_connector_duplicate_state,
@@ -313,6 +313,8 @@ static const struct drm_connector_funcs vmw_legacy_connector_funcs = {
 
 static const struct
 drm_connector_helper_funcs vmw_ldu_connector_helper_funcs = {
+	.get_modes = vmw_connector_get_modes,
+	.mode_valid = vmw_connector_mode_valid
 };
 
 static int vmw_kms_ldu_do_bo_dirty(struct vmw_private *dev_priv,
@@ -449,7 +451,6 @@ static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit)
 	ldu->base.pref_active = (unit == 0);
 	ldu->base.pref_width = dev_priv->initial_width;
 	ldu->base.pref_height = dev_priv->initial_height;
-	ldu->base.pref_mode = NULL;
 
 	/*
 	 * Remove this after enabling atomic because property values can
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
index 556a403b7e..30c3ad27b6 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
@@ -347,7 +347,7 @@ static void vmw_sou_connector_destroy(struct drm_connector *connector)
 static const struct drm_connector_funcs vmw_sou_connector_funcs = {
 	.dpms = vmw_du_connector_dpms,
 	.detect = vmw_du_connector_detect,
-	.fill_modes = vmw_du_connector_fill_modes,
+	.fill_modes = drm_helper_probe_single_connector_modes,
 	.destroy = vmw_sou_connector_destroy,
 	.reset = vmw_du_connector_reset,
 	.atomic_duplicate_state = vmw_du_connector_duplicate_state,
@@ -357,6 +357,8 @@ static const struct drm_connector_funcs vmw_sou_connector_funcs = {
 
 static const struct
 drm_connector_helper_funcs vmw_sou_connector_helper_funcs = {
+	.get_modes = vmw_connector_get_modes,
+	.mode_valid = vmw_connector_mode_valid
 };
 
 
@@ -826,7 +828,6 @@ static int vmw_sou_init(struct vmw_private *dev_priv, unsigned unit)
 	sou->base.pref_active = (unit == 0);
 	sou->base.pref_width = dev_priv->initial_width;
 	sou->base.pref_height = dev_priv->initial_height;
-	sou->base.pref_mode = NULL;
 
 	/*
 	 * Remove this after enabling atomic because property values can
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
index ba0c0e12cf..dbc44ecbd1 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_stdu.c
@@ -41,7 +41,14 @@
 #define vmw_connector_to_stdu(x) \
 	container_of(x, struct vmw_screen_target_display_unit, base.connector)
 
-
+/*
+ * Some renderers such as llvmpipe will align the width and height of their
+ * buffers to match their tile size. We need to keep this in mind when exposing
+ * modes to userspace so that this possible over-allocation will not exceed
+ * graphics memory. 64x64 pixels seems to be a reasonable upper bound for the
+ * tile size of current renderers.
+ */
+#define GPU_TILE_SIZE 64
 
 enum stdu_content_type {
 	SAME_AS_DISPLAY = 0,
@@ -53,7 +60,6 @@ enum stdu_content_type {
  * struct vmw_stdu_dirty - closure structure for the update functions
  *
  * @base: The base type we derive from. Used by vmw_kms_helper_dirty().
- * @transfer: Transfer direction for DMA command.
  * @left: Left side of bounding box.
  * @right: Right side of bounding box.
  * @top: Top side of bounding box.
@@ -100,7 +106,7 @@ struct vmw_stdu_update_gb_image {
 };
 
 /**
- * struct vmw_screen_target_display_unit
+ * struct vmw_screen_target_display_unit - conglomerated STDU structure
  *
  * @base: VMW specific DU structure
  * @display_srf: surface to be displayed.  The dimension of this will always
@@ -208,6 +214,8 @@ static int vmw_stdu_define_st(struct vmw_private *dev_priv,
  * @res: Buffer to bind to the screen target.  Set to NULL to blank screen.
  *
  * Binding a surface to a Screen Target the same as flipping
+ *
+ * Returns: %0 on success or -errno code on failure
  */
 static int vmw_stdu_bind_st(struct vmw_private *dev_priv,
 			    struct vmw_screen_target_display_unit *stdu,
@@ -314,6 +322,9 @@ static int vmw_stdu_update_st(struct vmw_private *dev_priv,
  *
  * @dev_priv:  VMW DRM device
  * @stdu: display unit to destroy
+ *
+ * Returns: %0 on success, negative error code on failure. -ERESTARTSYS if
+ * interrupted.
  */
 static int vmw_stdu_destroy_st(struct vmw_private *dev_priv,
 			       struct vmw_screen_target_display_unit *stdu)
@@ -536,7 +547,8 @@ static void vmw_stdu_bo_cpu_commit(struct vmw_kms_dirty *dirty)
  * If DMA-ing till the screen target system, the function will also notify
  * the screen target system that a bounding box of the cliprects has been
  * updated.
- * Returns 0 on success, negative error code on failure. -ERESTARTSYS if
+ *
+ * Returns: %0 on success, negative error code on failure. -ERESTARTSYS if
  * interrupted.
  */
 int vmw_kms_stdu_readback(struct vmw_private *dev_priv,
@@ -703,7 +715,7 @@ static void vmw_kms_stdu_surface_fifo_commit(struct vmw_kms_dirty *dirty)
  * case the device has already synchronized.
  * @crtc: If crtc is passed, perform surface dirty on that crtc only.
  *
- * Returns 0 on success, negative error code on failure. -ERESTARTSYS if
+ * Returns: %0 on success, negative error code on failure. -ERESTARTSYS if
  * interrupted.
  */
 int vmw_kms_stdu_surface_dirty(struct vmw_private *dev_priv,
@@ -825,12 +837,46 @@ static void vmw_stdu_connector_destroy(struct drm_connector *connector)
 	vmw_stdu_destroy(vmw_connector_to_stdu(connector));
 }
 
+static enum drm_mode_status
+vmw_stdu_connector_mode_valid(struct drm_connector *connector,
+			      struct drm_display_mode *mode)
+{
+	enum drm_mode_status ret;
+	struct drm_device *dev = connector->dev;
+	struct vmw_private *dev_priv = vmw_priv(dev);
+	u64 assumed_cpp = dev_priv->assume_16bpp ? 2 : 4;
+	/* Align width and height to account for GPU tile over-alignment */
+	u64 required_mem = ALIGN(mode->hdisplay, GPU_TILE_SIZE) *
+			   ALIGN(mode->vdisplay, GPU_TILE_SIZE) *
+			   assumed_cpp;
+	required_mem = ALIGN(required_mem, PAGE_SIZE);
+
+	ret = drm_mode_validate_size(mode, dev_priv->stdu_max_width,
+				     dev_priv->stdu_max_height);
+	if (ret != MODE_OK)
+		return ret;
 
+	ret = drm_mode_validate_size(mode, dev_priv->texture_max_width,
+				     dev_priv->texture_max_height);
+	if (ret != MODE_OK)
+		return ret;
+
+	if (required_mem > dev_priv->max_primary_mem)
+		return MODE_MEM;
+
+	if (required_mem > dev_priv->max_mob_pages * PAGE_SIZE)
+		return MODE_MEM;
+
+	if (required_mem > dev_priv->max_mob_size)
+		return MODE_MEM;
+
+	return MODE_OK;
+}
 
 static const struct drm_connector_funcs vmw_stdu_connector_funcs = {
 	.dpms = vmw_du_connector_dpms,
 	.detect = vmw_du_connector_detect,
-	.fill_modes = vmw_du_connector_fill_modes,
+	.fill_modes = drm_helper_probe_single_connector_modes,
 	.destroy = vmw_stdu_connector_destroy,
 	.reset = vmw_du_connector_reset,
 	.atomic_duplicate_state = vmw_du_connector_duplicate_state,
@@ -840,6 +886,8 @@ static const struct drm_connector_funcs vmw_stdu_connector_funcs = {
 
 static const struct
 drm_connector_helper_funcs vmw_stdu_connector_helper_funcs = {
+	.get_modes = vmw_connector_get_modes,
+	.mode_valid = vmw_stdu_connector_mode_valid
 };
 
 
@@ -887,7 +935,7 @@ vmw_stdu_primary_plane_cleanup_fb(struct drm_plane *plane,
  * backed by a buffer object.  The display surface is pinned here, and it'll
  * be unpinned in .cleanup_fb()
  *
- * Returns 0 on success
+ * Returns: %0 on success
  */
 static int
 vmw_stdu_primary_plane_prepare_fb(struct drm_plane *plane,
@@ -1465,6 +1513,8 @@ static const struct drm_crtc_helper_funcs vmw_stdu_crtc_helper_funcs = {
  * This function is called once per CRTC, and allocates one Screen Target
  * display unit to represent that CRTC.  Since the SVGA device does not separate
  * out encoder and connector, they are represented as part of the STDU as well.
+ *
+ * Returns: %0 on success or -errno code on failure
  */
 static int vmw_stdu_init(struct vmw_private *dev_priv, unsigned unit)
 {
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
index 680441bb17..e7a744dfce 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
@@ -44,7 +44,6 @@
  * struct vmw_user_surface - User-space visible surface resource
  *
  * @prime:          The TTM prime object.
- * @base:           The TTM base object handling user-space visibility.
  * @srf:            The surface metadata.
  * @master:         Master of the creating client. Used for security check.
  */
@@ -833,8 +832,6 @@ int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
 		srf->snooper.image = NULL;
 	}
 
-	user_srf->prime.base.shareable = false;
-	user_srf->prime.base.tfile = NULL;
 	if (drm_is_primary_client(file_priv))
 		user_srf->master = drm_file_get_master(file_priv);
 
@@ -848,10 +845,10 @@ int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
 		goto out_unlock;
 
 	/*
-	 * A gb-aware client referencing a shared surface will
-	 * expect a backup buffer to be present.
+	 * A gb-aware client referencing a surface will expect a backup
+	 * buffer to be present.
 	 */
-	if (dev_priv->has_mob && req->shareable) {
+	if (dev_priv->has_mob) {
 		struct vmw_bo_params params = {
 			.domain = VMW_BO_DOMAIN_SYS,
 			.busy_domain = VMW_BO_DOMAIN_SYS,
@@ -870,8 +867,9 @@ int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
 	}
 
 	tmp = vmw_resource_reference(&srf->res);
-	ret = ttm_prime_object_init(tfile, res->guest_memory_size, &user_srf->prime,
-				    req->shareable, VMW_RES_SURFACE,
+	ret = ttm_prime_object_init(tfile, res->guest_memory_size,
+				    &user_srf->prime,
+				    VMW_RES_SURFACE,
 				    &vmw_user_surface_base_release);
 
 	if (unlikely(ret != 0)) {
@@ -1550,8 +1548,6 @@ vmw_gb_surface_define_internal(struct drm_device *dev,
 
 	tmp = vmw_resource_reference(res);
 	ret = ttm_prime_object_init(tfile, res->guest_memory_size, &user_srf->prime,
-				    req->base.drm_surface_flags &
-				    drm_vmw_surface_flag_shareable,
 				    VMW_RES_SURFACE,
 				    &vmw_user_surface_base_release);
 
@@ -2053,8 +2049,6 @@ int vmw_gb_surface_define(struct vmw_private *dev_priv,
 	}
 
 	*srf_out  = &user_srf->srf;
-	user_srf->prime.base.shareable = false;
-	user_srf->prime.base.tfile = NULL;
 
 	srf = &user_srf->srf;
 	srf->metadata = *req;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
index fcb87d8376..621d98b376 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ttm_buffer.c
@@ -43,46 +43,14 @@ static const struct ttm_place sys_placement_flags = {
 	.flags = 0
 };
 
-static const struct ttm_place gmr_placement_flags = {
-	.fpfn = 0,
-	.lpfn = 0,
-	.mem_type = VMW_PL_GMR,
-	.flags = 0
-};
-
 struct ttm_placement vmw_vram_placement = {
 	.num_placement = 1,
 	.placement = &vram_placement_flags,
-	.num_busy_placement = 1,
-	.busy_placement = &vram_placement_flags
-};
-
-static const struct ttm_place vram_gmr_placement_flags[] = {
-	{
-		.fpfn = 0,
-		.lpfn = 0,
-		.mem_type = TTM_PL_VRAM,
-		.flags = 0
-	}, {
-		.fpfn = 0,
-		.lpfn = 0,
-		.mem_type = VMW_PL_GMR,
-		.flags = 0
-	}
-};
-
-struct ttm_placement vmw_vram_gmr_placement = {
-	.num_placement = 2,
-	.placement = vram_gmr_placement_flags,
-	.num_busy_placement = 1,
-	.busy_placement = &gmr_placement_flags
 };
 
 struct ttm_placement vmw_sys_placement = {
 	.num_placement = 1,
 	.placement = &sys_placement_flags,
-	.num_busy_placement = 1,
-	.busy_placement = &sys_placement_flags
 };
 
 const size_t vmw_tt_size = sizeof(struct vmw_ttm_tt);