Merge tag 'drm-next-2023-06-29' of git://anongit.freedesktop.org/drm/drm

Pull drm updates from Dave Airlie:
 "There is one set of patches to misc for a i915 gsc/mei proxy driver.

  Otherwise it's mostly amdgpu/i915/msm, lots of hw enablement and lots
  of refactoring.

  core:
   - replace strlcpy with strscpy
   - EDID changes to support further conversion to struct drm_edid
   - Move i915 DSC parameter code to common DRM helpers
   - Add Colorspace functionality

  aperture:
   - ignore framebuffers with non-primary devices

  fbdev:
   - use fbdev i/o helpers
   - add Kconfig options for fb_ops helpers
   - use new fb io helpers directly in drivers

  sysfs:
   - export DRM connector ID

  scheduler:
   - Avoid an infinite loop

  ttm:
   - store function table in .rodata
   - Add query for TTM mem limit
   - Add NUMA awareness to pools
   - Export ttm_pool_fini()

  bridge:
   - fsl-ldb: support i.MX6SX
   - lt9211, lt9611: remove blanking packets
   - tc358768: implement input bus formats, devm cleanups
   - ti-snd65dsi86: implement wait_hpd_asserted
   - analogix: fix endless probe loop
   - samsung-dsim: support swapped clock, fix enabling, support var
     clock
   - display-connector: Add support for external power supply
   - imx: Fix module linking
   - tc358762: Support reset GPIO

  panel:
   - nt36523: Support Lenovo J606F
   - st7703: Support Anbernic RG353V-V2
   - InnoLux G070ACE-L01 support
   - boe-tv101wum-nl6: Improve initialization
   - sharp-ls043t1le001: Mode fixes
   - simple: BOE EV121WXM-N10-1850, S6D7AA0
   - Ampire AM-800480L1TMQW-T00H
   - Rocktech RK043FN48H
   - Starry himax83102-j02
   - Starry ili9882t

  amdgpu:
   - add new ctx query flag to handle reset better
   - add new query/set shadow buffer for rdna3
   - DCN 3.2/3.1.x/3.0.x updates
   - Enable DC_FP on loongarch
   - PCIe fix for RDNA2
   - improve DC FAMS/SubVP support for better power management
   - partition support for lots of engines
   - Take NUMA into account when allocating memory
   - Add new DRM_AMDGPU_WERROR config parameter to help with CI
   - Initial SMU13 overdrive support
   - Add support for new colorspace KMS API
   - W=1 fixes

  amdkfd:
   - Query TTM mem limit rather than hardcoding it
   - GC 9.4.3 partition support
   - Handle NUMA for partitions
   - Add debugger interface for enabling gdb
   - Add KFD event age tracking

  radeon:
   - Fix possible UAF

  i915:
   - new getparam for PXP support
   - GSC/MEI proxy driver
   - Meteorlake display enablement
   - avoid clearing preallocated framebuffers with TTM
   - implement framebuffer mmap support
   - Disable sampler indirect state in bindless heap
   - Enable fdinfo for GuC backends
   - GuC loading and firmware table handling fixes
   - Various refactors for multi-tile enablement
   - Define MOCS and PAT tables for MTL
   - GSC/MEI support for Meteorlake
   - PMU multi-tile support
   - Large driver kernel doc cleanup
   - Allow VRR toggling and arbitrary refresh rates
   - Support async flips on linear buffers on display ver 12+
   - Expose CRTC CTM property on ILK/SNB/VLV
   - New debugfs for display clock frequencies
   - Hotplug refactoring
   - Display refactoring
   - I915_GEM_CREATE_EXT_SET_PAT for Mesa on Meteorlake
   - Use large rings for compute contexts
   - HuC loading for MTL
   - Allow user to set cache at BO creation
   - MTL powermanagement enhancements
   - Switch to dedicated workqueues to stop using flush_scheduled_work()
   - Move display runtime init under display/
   - Remove 10bit gamma on desktop gen3 parts, they don't support it

  habanalabs:
   - uapi: return 0 for user queries if there was a h/w or f/w error
   - Add pci health check when we lose connection with the firmware.
     This can be used to distinguish between pci link down and firmware
     getting stuck.
   - Add more info to the error print when TPC interrupt occur.
   - Firmware fixes

  msm:
   - Adreno A660 bindings
   - SM8350 MDSS bindings fix
   - Added support for DPU on sm6350 and sm6375 platforms
   - Implemented tearcheck support to support vsync on SM150 and newer
     platforms
   - Enabled missing features (DSPP, DSC, split display) on sc8180x,
     sc8280xp, sm8450
   - Added support for DSI and 28nm DSI PHY on MSM8226 platform
   - Added support for DSI on sm6350 and sm6375 platforms
   - Added support for display controller on MSM8226 platform
   - A690 GPU support
   - Move cmdstream dumping out of fence signaling path
   - a610 support
   - Support for a6xx devices without GMU

  nouveau:
   - NULL ptr before deref fixes

  armada:
   - implement fbdev emulation as client

  sun4i:
   - fix mipi-dsi dotclock
   - release clocks

  vc4:
   - rgb range toggle property
   - BT601 / BT2020 HDMI support

  vkms:
   - convert to drmm helpers
   - add reflection and rotation support
   - fix rgb565 conversion

  gma500:
   - fix iomem access

  shmobile:
   - support renesas soc platform
   - enable fbdev

  mxsfb:
   - Add support for i.MX93 LCDIF

  stm:
   - dsi: Use devm_ helper
   - ltdc: Fix potential invalid pointer deref

  renesas:
   - Group drivers in renesas subdirectory to prepare for new platform
   - Drop deprecated R-Car H3 ES1.x support

  meson:
   - Add support for MIPI DSI displays

  virtio:
   - add sync object support

  mediatek:
   - Add display binding document for MT6795"

* tag 'drm-next-2023-06-29' of git://anongit.freedesktop.org/drm/drm: (1791 commits)
  drm/i915: Fix a NULL vs IS_ERR() bug
  drm/i915: make i915_drm_client_fdinfo() reference conditional again
  drm/i915/huc: Fix missing error code in intel_huc_init()
  drm/i915/gsc: take a wakeref for the proxy-init-completion check
  drm/msm/a6xx: Add A610 speedbin support
  drm/msm/a6xx: Add A619_holi speedbin support
  drm/msm/a6xx: Use adreno_is_aXYZ macros in speedbin matching
  drm/msm/a6xx: Use "else if" in GPU speedbin rev matching
  drm/msm/a6xx: Fix some A619 tunables
  drm/msm/a6xx: Add A610 support
  drm/msm/a6xx: Add support for A619_holi
  drm/msm/adreno: Disable has_cached_coherent in GMU wrapper configurations
  drm/msm/a6xx: Introduce GMU wrapper support
  drm/msm/a6xx: Move CX GMU power counter enablement to hw_init
  drm/msm/a6xx: Extend and explain UBWC config
  drm/msm/a6xx: Remove both GBIF and RBBM GBIF halt on hw init
  drm/msm/a6xx: Add a helper for software-resetting the GPU
  drm/msm/a6xx: Improve a6xx_bus_clear_pending_transactions()
  drm/msm/a6xx: Move a6xx_bus_clear_pending_transactions to a6xx_gpu
  drm/msm/a6xx: Move force keepalive vote removal to a6xx_gmu_force_off()
  ...

20 files changed, 467 insertions, 132 deletions

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c
index 5402a7bbcb1d..9a9ff84c90d7 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c
@@ -964,7 +964,11 @@ static int intel_context_set_gem(struct intel_context *ce,
 	RCU_INIT_POINTER(ce->gem_context, ctx);
 
 	GEM_BUG_ON(intel_context_is_pinned(ce));
-	ce->ring_size = SZ_16K;
+
+	if (ce->engine->class == COMPUTE_CLASS)
+		ce->ring_size = SZ_512K;
+	else
+		ce->ring_size = SZ_16K;
 
 	i915_vm_put(ce->vm);
 	ce->vm = i915_gem_context_get_eb_vm(ctx);
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_create.c b/drivers/gpu/drm/i915/gem/i915_gem_create.c
index bfe1dbda4cb7..d24c0ce8805c 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_create.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_create.c
@@ -245,6 +245,7 @@ struct create_ext {
 	unsigned int n_placements;
 	unsigned int placement_mask;
 	unsigned long flags;
+	unsigned int pat_index;
 };
 
 static void repr_placements(char *buf, size_t size,
@@ -394,11 +395,43 @@ static int ext_set_protected(struct i915_user_extension __user *base, void *data
 	return 0;
 }
 
+static int ext_set_pat(struct i915_user_extension __user *base, void *data)
+{
+	struct create_ext *ext_data = data;
+	struct drm_i915_private *i915 = ext_data->i915;
+	struct drm_i915_gem_create_ext_set_pat ext;
+	unsigned int max_pat_index;
+
+	BUILD_BUG_ON(sizeof(struct drm_i915_gem_create_ext_set_pat) !=
+		     offsetofend(struct drm_i915_gem_create_ext_set_pat, rsvd));
+
+	/* Limiting the extension only to Meteor Lake */
+	if (!IS_METEORLAKE(i915))
+		return -ENODEV;
+
+	if (copy_from_user(&ext, base, sizeof(ext)))
+		return -EFAULT;
+
+	max_pat_index = INTEL_INFO(i915)->max_pat_index;
+
+	if (ext.pat_index > max_pat_index) {
+		drm_dbg(&i915->drm, "PAT index is invalid: %u\n",
+			ext.pat_index);
+		return -EINVAL;
+	}
+
+	ext_data->pat_index = ext.pat_index;
+
+	return 0;
+}
+
 static const i915_user_extension_fn create_extensions[] = {
 	[I915_GEM_CREATE_EXT_MEMORY_REGIONS] = ext_set_placements,
 	[I915_GEM_CREATE_EXT_PROTECTED_CONTENT] = ext_set_protected,
+	[I915_GEM_CREATE_EXT_SET_PAT] = ext_set_pat,
 };
 
+#define PAT_INDEX_NOT_SET	0xffff
 /**
  * i915_gem_create_ext_ioctl - Creates a new mm object and returns a handle to it.
  * @dev: drm device pointer
@@ -418,6 +451,7 @@ i915_gem_create_ext_ioctl(struct drm_device *dev, void *data,
 	if (args->flags & ~I915_GEM_CREATE_EXT_FLAG_NEEDS_CPU_ACCESS)
 		return -EINVAL;
 
+	ext_data.pat_index = PAT_INDEX_NOT_SET;
 	ret = i915_user_extensions(u64_to_user_ptr(args->extensions),
 				   create_extensions,
 				   ARRAY_SIZE(create_extensions),
@@ -454,5 +488,11 @@ i915_gem_create_ext_ioctl(struct drm_device *dev, void *data,
 	if (IS_ERR(obj))
 		return PTR_ERR(obj);
 
+	if (ext_data.pat_index != PAT_INDEX_NOT_SET) {
+		i915_gem_object_set_pat_index(obj, ext_data.pat_index);
+		/* Mark pat_index is set by UMD */
+		obj->pat_set_by_user = true;
+	}
+
 	return i915_gem_publish(obj, file, &args->size, &args->handle);
 }
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_domain.c b/drivers/gpu/drm/i915/gem/i915_gem_domain.c
index d2d5a24301b2..dfaaa8b66ac3 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_domain.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_domain.c
@@ -27,8 +27,15 @@ static bool gpu_write_needs_clflush(struct drm_i915_gem_object *obj)
 	if (IS_DGFX(i915))
 		return false;
 
-	return !(obj->cache_level == I915_CACHE_NONE ||
-		 obj->cache_level == I915_CACHE_WT);
+	/*
+	 * For objects created by userspace through GEM_CREATE with pat_index
+	 * set by set_pat extension, i915_gem_object_has_cache_level() will
+	 * always return true, because the coherency of such object is managed
+	 * by userspace. Othereise the call here would fall back to checking
+	 * whether the object is un-cached or write-through.
+	 */
+	return !(i915_gem_object_has_cache_level(obj, I915_CACHE_NONE) ||
+		 i915_gem_object_has_cache_level(obj, I915_CACHE_WT));
 }
 
 bool i915_gem_cpu_write_needs_clflush(struct drm_i915_gem_object *obj)
@@ -267,7 +274,13 @@ int i915_gem_object_set_cache_level(struct drm_i915_gem_object *obj,
 {
 	int ret;
 
-	if (obj->cache_level == cache_level)
+	/*
+	 * For objects created by userspace through GEM_CREATE with pat_index
+	 * set by set_pat extension, simply return 0 here without touching
+	 * the cache setting, because such objects should have an immutable
+	 * cache setting by desgin and always managed by userspace.
+	 */
+	if (i915_gem_object_has_cache_level(obj, cache_level))
 		return 0;
 
 	ret = i915_gem_object_wait(obj,
@@ -278,10 +291,8 @@ int i915_gem_object_set_cache_level(struct drm_i915_gem_object *obj,
 		return ret;
 
 	/* Always invalidate stale cachelines */
-	if (obj->cache_level != cache_level) {
-		i915_gem_object_set_cache_coherency(obj, cache_level);
-		obj->cache_dirty = true;
-	}
+	i915_gem_object_set_cache_coherency(obj, cache_level);
+	obj->cache_dirty = true;
 
 	/* The cache-level will be applied when each vma is rebound. */
 	return i915_gem_object_unbind(obj,
@@ -306,20 +317,22 @@ int i915_gem_get_caching_ioctl(struct drm_device *dev, void *data,
 		goto out;
 	}
 
-	switch (obj->cache_level) {
-	case I915_CACHE_LLC:
-	case I915_CACHE_L3_LLC:
-		args->caching = I915_CACHING_CACHED;
-		break;
+	/*
+	 * This ioctl should be disabled for the objects with pat_index
+	 * set by user space.
+	 */
+	if (obj->pat_set_by_user) {
+		err = -EOPNOTSUPP;
+		goto out;
+	}
 
-	case I915_CACHE_WT:
+	if (i915_gem_object_has_cache_level(obj, I915_CACHE_LLC) ||
+	    i915_gem_object_has_cache_level(obj, I915_CACHE_L3_LLC))
+		args->caching = I915_CACHING_CACHED;
+	else if (i915_gem_object_has_cache_level(obj, I915_CACHE_WT))
 		args->caching = I915_CACHING_DISPLAY;
-		break;
-
-	default:
+	else
 		args->caching = I915_CACHING_NONE;
-		break;
-	}
 out:
 	rcu_read_unlock();
 	return err;
@@ -337,6 +350,9 @@ int i915_gem_set_caching_ioctl(struct drm_device *dev, void *data,
 	if (IS_DGFX(i915))
 		return -ENODEV;
 
+	if (GRAPHICS_VER_FULL(i915) >= IP_VER(12, 70))
+		return -EOPNOTSUPP;
+
 	switch (args->caching) {
 	case I915_CACHING_NONE:
 		level = I915_CACHE_NONE;
@@ -365,6 +381,15 @@ int i915_gem_set_caching_ioctl(struct drm_device *dev, void *data,
 		return -ENOENT;
 
 	/*
+	 * This ioctl should be disabled for the objects with pat_index
+	 * set by user space.
+	 */
+	if (obj->pat_set_by_user) {
+		ret = -EOPNOTSUPP;
+		goto out;
+	}
+
+	/*
 	 * The caching mode of proxy object is handled by its generator, and
 	 * not allowed to be changed by userspace.
 	 */
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
index 3aeede6aee4d..cfd7929587d8 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
@@ -640,9 +640,15 @@ static inline int use_cpu_reloc(const struct reloc_cache *cache,
 	if (DBG_FORCE_RELOC == FORCE_GTT_RELOC)
 		return false;
 
+	/*
+	 * For objects created by userspace through GEM_CREATE with pat_index
+	 * set by set_pat extension, i915_gem_object_has_cache_level() always
+	 * return true, otherwise the call would fall back to checking whether
+	 * the object is un-cached.
+	 */
 	return (cache->has_llc ||
 		obj->cache_dirty ||
-		obj->cache_level != I915_CACHE_NONE);
+		!i915_gem_object_has_cache_level(obj, I915_CACHE_NONE));
 }
 
 static int eb_reserve_vma(struct i915_execbuffer *eb,
@@ -730,7 +736,6 @@ static int eb_reserve(struct i915_execbuffer *eb)
 	struct eb_vma *ev;
 	unsigned int pass;
 	int err = 0;
-	bool unpinned;
 
 	/*
 	 * We have one more buffers that we couldn't bind, which could be due to
@@ -770,7 +775,7 @@ static int eb_reserve(struct i915_execbuffer *eb)
 			pin_flags |= PIN_NONBLOCK;
 
 		if (pass >= 1)
-			unpinned = eb_unbind(eb, pass >= 2);
+			eb_unbind(eb, pass >= 2);
 
 		if (pass == 2) {
 			err = mutex_lock_interruptible(&eb->context->vm->mutex);
@@ -1324,7 +1329,10 @@ static void *reloc_iomap(struct i915_vma *batch,
 	if (drm_mm_node_allocated(&cache->node)) {
 		ggtt->vm.insert_page(&ggtt->vm,
 				     i915_gem_object_get_dma_address(obj, page),
-				     offset, I915_CACHE_NONE, 0);
+				     offset,
+				     i915_gem_get_pat_index(ggtt->vm.i915,
+							    I915_CACHE_NONE),
+				     0);
 	} else {
 		offset += page << PAGE_SHIFT;
 	}
@@ -1464,7 +1472,7 @@ eb_relocate_entry(struct i915_execbuffer *eb,
 			reloc_cache_unmap(&eb->reloc_cache);
 			mutex_lock(&vma->vm->mutex);
 			err = i915_vma_bind(target->vma,
-					    target->vma->obj->cache_level,
+					    target->vma->obj->pat_index,
 					    PIN_GLOBAL, NULL, NULL);
 			mutex_unlock(&vma->vm->mutex);
 			reloc_cache_remap(&eb->reloc_cache, ev->vma->obj);
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
index d3c1dee16af2..aa4d842d4c5a 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
@@ -383,7 +383,16 @@ retry:
 	}
 
 	/* Access to snoopable pages through the GTT is incoherent. */
-	if (obj->cache_level != I915_CACHE_NONE && !HAS_LLC(i915)) {
+	/*
+	 * For objects created by userspace through GEM_CREATE with pat_index
+	 * set by set_pat extension, coherency is managed by userspace, make
+	 * sure we don't fail handling the vm fault by calling
+	 * i915_gem_object_has_cache_level() which always return true for such
+	 * objects. Otherwise this helper function would fall back to checking
+	 * whether the object is un-cached.
+	 */
+	if (!(i915_gem_object_has_cache_level(obj, I915_CACHE_NONE) ||
+	      HAS_LLC(i915))) {
 		ret = -EFAULT;
 		goto err_unpin;
 	}
@@ -927,53 +936,15 @@ static struct file *mmap_singleton(struct drm_i915_private *i915)
 	return file;
 }
 
-/*
- * This overcomes the limitation in drm_gem_mmap's assignment of a
- * drm_gem_object as the vma->vm_private_data. Since we need to
- * be able to resolve multiple mmap offsets which could be tied
- * to a single gem object.
- */
-int i915_gem_mmap(struct file *filp, struct vm_area_struct *vma)
+static int
+i915_gem_object_mmap(struct drm_i915_gem_object *obj,
+		     struct i915_mmap_offset *mmo,
+		     struct vm_area_struct *vma)
 {
-	struct drm_vma_offset_node *node;
-	struct drm_file *priv = filp->private_data;
-	struct drm_device *dev = priv->minor->dev;
-	struct drm_i915_gem_object *obj = NULL;
-	struct i915_mmap_offset *mmo = NULL;
+	struct drm_i915_private *i915 = to_i915(obj->base.dev);
+	struct drm_device *dev = &i915->drm;
 	struct file *anon;
 
-	if (drm_dev_is_unplugged(dev))
-		return -ENODEV;
-
-	rcu_read_lock();
-	drm_vma_offset_lock_lookup(dev->vma_offset_manager);
-	node = drm_vma_offset_exact_lookup_locked(dev->vma_offset_manager,
-						  vma->vm_pgoff,
-						  vma_pages(vma));
-	if (node && drm_vma_node_is_allowed(node, priv)) {
-		/*
-		 * Skip 0-refcnted objects as it is in the process of being
-		 * destroyed and will be invalid when the vma manager lock
-		 * is released.
-		 */
-		if (!node->driver_private) {
-			mmo = container_of(node, struct i915_mmap_offset, vma_node);
-			obj = i915_gem_object_get_rcu(mmo->obj);
-
-			GEM_BUG_ON(obj && obj->ops->mmap_ops);
-		} else {
-			obj = i915_gem_object_get_rcu
-				(container_of(node, struct drm_i915_gem_object,
-					      base.vma_node));
-
-			GEM_BUG_ON(obj && !obj->ops->mmap_ops);
-		}
-	}
-	drm_vma_offset_unlock_lookup(dev->vma_offset_manager);
-	rcu_read_unlock();
-	if (!obj)
-		return node ? -EACCES : -EINVAL;
-
 	if (i915_gem_object_is_readonly(obj)) {
 		if (vma->vm_flags & VM_WRITE) {
 			i915_gem_object_put(obj);
@@ -1005,7 +976,7 @@ int i915_gem_mmap(struct file *filp, struct vm_area_struct *vma)
 	if (obj->ops->mmap_ops) {
 		vma->vm_page_prot = pgprot_decrypted(vm_get_page_prot(vma->vm_flags));
 		vma->vm_ops = obj->ops->mmap_ops;
-		vma->vm_private_data = node->driver_private;
+		vma->vm_private_data = obj->base.vma_node.driver_private;
 		return 0;
 	}
 
@@ -1043,6 +1014,91 @@ int i915_gem_mmap(struct file *filp, struct vm_area_struct *vma)
 	return 0;
 }
 
+/*
+ * This overcomes the limitation in drm_gem_mmap's assignment of a
+ * drm_gem_object as the vma->vm_private_data. Since we need to
+ * be able to resolve multiple mmap offsets which could be tied
+ * to a single gem object.
+ */
+int i915_gem_mmap(struct file *filp, struct vm_area_struct *vma)
+{
+	struct drm_vma_offset_node *node;
+	struct drm_file *priv = filp->private_data;
+	struct drm_device *dev = priv->minor->dev;
+	struct drm_i915_gem_object *obj = NULL;
+	struct i915_mmap_offset *mmo = NULL;
+
+	if (drm_dev_is_unplugged(dev))
+		return -ENODEV;
+
+	rcu_read_lock();
+	drm_vma_offset_lock_lookup(dev->vma_offset_manager);
+	node = drm_vma_offset_exact_lookup_locked(dev->vma_offset_manager,
+						  vma->vm_pgoff,
+						  vma_pages(vma));
+	if (node && drm_vma_node_is_allowed(node, priv)) {
+		/*
+		 * Skip 0-refcnted objects as it is in the process of being
+		 * destroyed and will be invalid when the vma manager lock
+		 * is released.
+		 */
+		if (!node->driver_private) {
+			mmo = container_of(node, struct i915_mmap_offset, vma_node);
+			obj = i915_gem_object_get_rcu(mmo->obj);
+
+			GEM_BUG_ON(obj && obj->ops->mmap_ops);
+		} else {
+			obj = i915_gem_object_get_rcu
+				(container_of(node, struct drm_i915_gem_object,
+					      base.vma_node));
+
+			GEM_BUG_ON(obj && !obj->ops->mmap_ops);
+		}
+	}
+	drm_vma_offset_unlock_lookup(dev->vma_offset_manager);
+	rcu_read_unlock();
+	if (!obj)
+		return node ? -EACCES : -EINVAL;
+
+	return i915_gem_object_mmap(obj, mmo, vma);
+}
+
+int i915_gem_fb_mmap(struct drm_i915_gem_object *obj, struct vm_area_struct *vma)
+{
+	struct drm_i915_private *i915 = to_i915(obj->base.dev);
+	struct drm_device *dev = &i915->drm;
+	struct i915_mmap_offset *mmo = NULL;
+	enum i915_mmap_type mmap_type;
+	struct i915_ggtt *ggtt = to_gt(i915)->ggtt;
+
+	if (drm_dev_is_unplugged(dev))
+		return -ENODEV;
+
+	/* handle ttm object */
+	if (obj->ops->mmap_ops) {
+		/*
+		 * ttm fault handler, ttm_bo_vm_fault_reserved() uses fake offset
+		 * to calculate page offset so set that up.
+		 */
+		vma->vm_pgoff += drm_vma_node_start(&obj->base.vma_node);
+	} else {
+		/* handle stolen and smem objects */
+		mmap_type = i915_ggtt_has_aperture(ggtt) ? I915_MMAP_TYPE_GTT : I915_MMAP_TYPE_WC;
+		mmo = mmap_offset_attach(obj, mmap_type, NULL);
+		if (IS_ERR(mmo))
+			return PTR_ERR(mmo);
+	}
+
+	/*
+	 * When we install vm_ops for mmap we are too late for
+	 * the vm_ops->open() which increases the ref_count of
+	 * this obj and then it gets decreased by the vm_ops->close().
+	 * To balance this increase the obj ref_count here.
+	 */
+	obj = i915_gem_object_get(obj);
+	return i915_gem_object_mmap(obj, mmo, vma);
+}
+
 #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST)
 #include "selftests/i915_gem_mman.c"
 #endif
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.h b/drivers/gpu/drm/i915/gem/i915_gem_mman.h
index 1fa91b3033b3..196417fd0f5c 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_mman.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.h
@@ -29,5 +29,5 @@ void i915_gem_object_release_mmap_gtt(struct drm_i915_gem_object *obj);
 
 void i915_gem_object_runtime_pm_release_mmap_offset(struct drm_i915_gem_object *obj);
 void i915_gem_object_release_mmap_offset(struct drm_i915_gem_object *obj);
-
+int i915_gem_fb_mmap(struct drm_i915_gem_object *obj, struct vm_area_struct *vma);
 #endif
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c
index 4666bb82f312..97ac6fb37958 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c
@@ -45,6 +45,33 @@ static struct kmem_cache *slab_objects;
 
 static const struct drm_gem_object_funcs i915_gem_object_funcs;
 
+unsigned int i915_gem_get_pat_index(struct drm_i915_private *i915,
+				    enum i915_cache_level level)
+{
+	if (drm_WARN_ON(&i915->drm, level >= I915_MAX_CACHE_LEVEL))
+		return 0;
+
+	return INTEL_INFO(i915)->cachelevel_to_pat[level];
+}
+
+bool i915_gem_object_has_cache_level(const struct drm_i915_gem_object *obj,
+				     enum i915_cache_level lvl)
+{
+	/*
+	 * In case the pat_index is set by user space, this kernel mode
+	 * driver should leave the coherency to be managed by user space,
+	 * simply return true here.
+	 */
+	if (obj->pat_set_by_user)
+		return true;
+
+	/*
+	 * Otherwise the pat_index should have been converted from cache_level
+	 * so that the following comparison is valid.
+	 */
+	return obj->pat_index == i915_gem_get_pat_index(obj_to_i915(obj), lvl);
+}
+
 struct drm_i915_gem_object *i915_gem_object_alloc(void)
 {
 	struct drm_i915_gem_object *obj;
@@ -124,7 +151,7 @@ void i915_gem_object_set_cache_coherency(struct drm_i915_gem_object *obj,
 {
 	struct drm_i915_private *i915 = to_i915(obj->base.dev);
 
-	obj->cache_level = cache_level;
+	obj->pat_index = i915_gem_get_pat_index(i915, cache_level);
 
 	if (cache_level != I915_CACHE_NONE)
 		obj->cache_coherent = (I915_BO_CACHE_COHERENT_FOR_READ |
@@ -139,6 +166,37 @@ void i915_gem_object_set_cache_coherency(struct drm_i915_gem_object *obj,
 		!IS_DGFX(i915);
 }
 
+/**
+ * i915_gem_object_set_pat_index - set PAT index to be used in PTE encode
+ * @obj: #drm_i915_gem_object
+ * @pat_index: PAT index
+ *
+ * This is a clone of i915_gem_object_set_cache_coherency taking pat index
+ * instead of cache_level as its second argument.
+ */
+void i915_gem_object_set_pat_index(struct drm_i915_gem_object *obj,
+				   unsigned int pat_index)
+{
+	struct drm_i915_private *i915 = to_i915(obj->base.dev);
+
+	if (obj->pat_index == pat_index)
+		return;
+
+	obj->pat_index = pat_index;
+
+	if (pat_index != i915_gem_get_pat_index(i915, I915_CACHE_NONE))
+		obj->cache_coherent = (I915_BO_CACHE_COHERENT_FOR_READ |
+				       I915_BO_CACHE_COHERENT_FOR_WRITE);
+	else if (HAS_LLC(i915))
+		obj->cache_coherent = I915_BO_CACHE_COHERENT_FOR_READ;
+	else
+		obj->cache_coherent = 0;
+
+	obj->cache_dirty =
+		!(obj->cache_coherent & I915_BO_CACHE_COHERENT_FOR_WRITE) &&
+		!IS_DGFX(i915);
+}
+
 bool i915_gem_object_can_bypass_llc(struct drm_i915_gem_object *obj)
 {
 	struct drm_i915_private *i915 = to_i915(obj->base.dev);
@@ -151,6 +209,12 @@ bool i915_gem_object_can_bypass_llc(struct drm_i915_gem_object *obj)
 		return false;
 
 	/*
+	 * Always flush cache for UMD objects at creation time.
+	 */
+	if (obj->pat_set_by_user)
+		return true;
+
+	/*
 	 * EHL and JSL add the 'Bypass LLC' MOCS entry, which should make it
 	 * possible for userspace to bypass the GTT caching bits set by the
 	 * kernel, as per the given object cache_level. This is troublesome
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.h b/drivers/gpu/drm/i915/gem/i915_gem_object.h
index 885ccde9dc3c..884a17275b3a 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.h
@@ -20,6 +20,8 @@
 
 enum intel_region_id;
 
+#define obj_to_i915(obj__) to_i915((obj__)->base.dev)
+
 static inline bool i915_gem_object_size_2big(u64 size)
 {
 	struct drm_i915_gem_object *obj;
@@ -30,6 +32,10 @@ static inline bool i915_gem_object_size_2big(u64 size)
 	return false;
 }
 
+unsigned int i915_gem_get_pat_index(struct drm_i915_private *i915,
+				    enum i915_cache_level level);
+bool i915_gem_object_has_cache_level(const struct drm_i915_gem_object *obj,
+				     enum i915_cache_level lvl);
 void i915_gem_init__objects(struct drm_i915_private *i915);
 
 void i915_objects_module_exit(void);
@@ -80,7 +86,7 @@ __i915_gem_object_unset_pages(struct drm_i915_gem_object *obj);
 
 /**
  * i915_gem_object_lookup_rcu - look up a temporary GEM object from its handle
- * @filp: DRM file private date
+ * @file: DRM file private date
  * @handle: userspace handle
  *
  * Returns:
@@ -760,6 +766,8 @@ bool i915_gem_object_has_unknown_state(struct drm_i915_gem_object *obj);
 
 void i915_gem_object_set_cache_coherency(struct drm_i915_gem_object *obj,
 					 unsigned int cache_level);
+void i915_gem_object_set_pat_index(struct drm_i915_gem_object *obj,
+				   unsigned int pat_index);
 bool i915_gem_object_can_bypass_llc(struct drm_i915_gem_object *obj);
 void i915_gem_object_flush_if_display(struct drm_i915_gem_object *obj);
 void i915_gem_object_flush_if_display_locked(struct drm_i915_gem_object *obj);
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h
index 5dcbbef31d44..e72c57716bee 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h
@@ -194,6 +194,13 @@ enum i915_cache_level {
 	 * engine.
 	 */
 	I915_CACHE_WT,
+	/**
+	 * @I915_MAX_CACHE_LEVEL:
+	 *
+	 * Mark the last entry in the enum. Used for defining cachelevel_to_pat
+	 * array for cache_level to pat translation table.
+	 */
+	I915_MAX_CACHE_LEVEL,
 };
 
 enum i915_map_type {
@@ -328,6 +335,12 @@ struct drm_i915_gem_object {
  */
 #define I915_BO_ALLOC_GPU_ONLY	  BIT(6)
 #define I915_BO_ALLOC_CCS_AUX	  BIT(7)
+/*
+ * Object is allowed to retain its initial data and will not be cleared on first
+ * access if used along with I915_BO_ALLOC_USER. This is mainly to keep
+ * preallocated framebuffer data intact while transitioning it to i915drmfb.
+ */
+#define I915_BO_PREALLOC	  BIT(8)
 #define I915_BO_ALLOC_FLAGS (I915_BO_ALLOC_CONTIGUOUS | \
 			     I915_BO_ALLOC_VOLATILE | \
 			     I915_BO_ALLOC_CPU_CLEAR | \
@@ -335,10 +348,11 @@ struct drm_i915_gem_object {
 			     I915_BO_ALLOC_PM_VOLATILE | \
 			     I915_BO_ALLOC_PM_EARLY | \
 			     I915_BO_ALLOC_GPU_ONLY | \
-			     I915_BO_ALLOC_CCS_AUX)
-#define I915_BO_READONLY          BIT(8)
-#define I915_TILING_QUIRK_BIT     9 /* unknown swizzling; do not release! */
-#define I915_BO_PROTECTED         BIT(10)
+			     I915_BO_ALLOC_CCS_AUX | \
+			     I915_BO_PREALLOC)
+#define I915_BO_READONLY          BIT(9)
+#define I915_TILING_QUIRK_BIT     10 /* unknown swizzling; do not release! */
+#define I915_BO_PROTECTED         BIT(11)
 	/**
 	 * @mem_flags - Mutable placement-related flags
 	 *
@@ -350,15 +364,43 @@ struct drm_i915_gem_object {
 #define I915_BO_FLAG_STRUCT_PAGE BIT(0) /* Object backed by struct pages */
 #define I915_BO_FLAG_IOMEM       BIT(1) /* Object backed by IO memory */
 	/**
-	 * @cache_level: The desired GTT caching level.
+	 * @pat_index: The desired PAT index.
+	 *
+	 * See hardware specification for valid PAT indices for each platform.
+	 * This field replaces the @cache_level that contains a value of enum
+	 * i915_cache_level since PAT indices are being used by both userspace
+	 * and kernel mode driver for caching policy control after GEN12.
+	 * In the meantime platform specific tables are created to translate
+	 * i915_cache_level into pat index, for more details check the macros
+	 * defined i915/i915_pci.c, e.g. PVC_CACHELEVEL.
+	 * For backward compatibility, this field contains values exactly match
+	 * the entries of enum i915_cache_level for pre-GEN12 platforms (See
+	 * LEGACY_CACHELEVEL), so that the PTE encode functions for these
+	 * legacy platforms can stay the same.
+	 */
+	unsigned int pat_index:6;
+	/**
+	 * @pat_set_by_user: Indicate whether pat_index is set by user space
 	 *
-	 * See enum i915_cache_level for possible values, along with what
-	 * each does.
+	 * This field is set to false by default, only set to true if the
+	 * pat_index is set by user space. By design, user space is capable of
+	 * managing caching behavior by setting pat_index, in which case this
+	 * kernel mode driver should never touch the pat_index.
 	 */
-	unsigned int cache_level:3;
+	unsigned int pat_set_by_user:1;
 	/**
 	 * @cache_coherent:
 	 *
+	 * Note: with the change above which replaced @cache_level with pat_index,
+	 * the use of @cache_coherent is limited to the objects created by kernel
+	 * or by userspace without pat index specified.
+	 * Check for @pat_set_by_user to find out if an object has pat index set
+	 * by userspace. The ioctl's to change cache settings have also been
+	 * disabled for the objects with pat index set by userspace. Please don't
+	 * assume @cache_coherent having the flags set as describe here. A helper
+	 * function i915_gem_object_has_cache_level() provides one way to bypass
+	 * the use of this field.
+	 *
 	 * Track whether the pages are coherent with the GPU if reading or
 	 * writing through the CPU caches. The largely depends on the
 	 * @cache_level setting.
@@ -432,6 +474,16 @@ struct drm_i915_gem_object {
 	/**
 	 * @cache_dirty:
 	 *
+	 * Note: with the change above which replaced cache_level with pat_index,
+	 * the use of @cache_dirty is limited to the objects created by kernel
+	 * or by userspace without pat index specified.
+	 * Check for @pat_set_by_user to find out if an object has pat index set
+	 * by userspace. The ioctl's to change cache settings have also been
+	 * disabled for the objects with pat_index set by userspace. Please don't
+	 * assume @cache_dirty is set as describe here. Also see helper function
+	 * i915_gem_object_has_cache_level() for possible ways to bypass the use
+	 * of this field.
+	 *
 	 * Track if we are we dirty with writes through the CPU cache for this
 	 * object. As a result reading directly from main memory might yield
 	 * stale data.
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_pages.c b/drivers/gpu/drm/i915/gem/i915_gem_pages.c
index ecd86130b74f..89fc8ea6bcfc 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_pages.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_pages.c
@@ -469,7 +469,10 @@ enum i915_map_type i915_coherent_map_type(struct drm_i915_private *i915,
 					  struct drm_i915_gem_object *obj,
 					  bool always_coherent)
 {
-	if (i915_gem_object_is_lmem(obj))
+	/*
+	 * Wa_22016122933: always return I915_MAP_WC for MTL
+	 */
+	if (i915_gem_object_is_lmem(obj) || IS_METEORLAKE(i915))
 		return I915_MAP_WC;
 	if (HAS_LLC(i915) || always_coherent)
 		return I915_MAP_WB;
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_region.h b/drivers/gpu/drm/i915/gem/i915_gem_region.h
index 2dfcc41c0170..8a7650b27cc2 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_region.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_region.h
@@ -22,9 +22,7 @@ struct i915_gem_apply_to_region;
  */
 struct i915_gem_apply_to_region_ops {
 	/**
-	 * process_obj - Process the current object
-	 * @apply: Embed this for private data.
-	 * @obj: The current object.
+	 * @process_obj: Process the current object
 	 *
 	 * Note that if this function is part of a ww transaction, and
 	 * if returns -EDEADLK for one of the objects, it may be
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_shmem.c b/drivers/gpu/drm/i915/gem/i915_gem_shmem.c
index adf1154c0e10..8f1633c3fb93 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_shmem.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_shmem.c
@@ -462,7 +462,7 @@ shmem_pwrite(struct drm_i915_gem_object *obj,
 		struct page *page;
 		void *data, *vaddr;
 		int err;
-		char c;
+		char __maybe_unused c;
 
 		len = PAGE_SIZE - pg;
 		if (len > remain)
@@ -608,7 +608,14 @@ static int shmem_object_init(struct intel_memory_region *mem,
 	obj->write_domain = I915_GEM_DOMAIN_CPU;
 	obj->read_domains = I915_GEM_DOMAIN_CPU;
 
-	if (HAS_LLC(i915))
+	/*
+	 * MTL doesn't snoop CPU cache by default for GPU access (namely
+	 * 1-way coherency). However some UMD's are currently depending on
+	 * that. Make 1-way coherent the default setting for MTL. A follow
+	 * up patch will extend the GEM_CREATE uAPI to allow UMD's specify
+	 * caching mode at BO creation time
+	 */
+	if (HAS_LLC(i915) || (GRAPHICS_VER_FULL(i915) >= IP_VER(12, 70)))
 		/* On some devices, we can have the GPU use the LLC (the CPU
 		 * cache) for about a 10% performance improvement
 		 * compared to uncached.  Graphics requests other than
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c b/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c
index b1672e054b21..214763942aa2 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_shrinker.c
@@ -460,8 +460,6 @@ void i915_gem_shrinker_taints_mutex(struct drm_i915_private *i915,
 	fs_reclaim_release(GFP_KERNEL);
 }
 
-#define obj_to_i915(obj__) to_i915((obj__)->base.dev)
-
 /**
  * i915_gem_object_make_unshrinkable - Hide the object from the shrinker. By
  * default all object types that support shrinking(see IS_SHRINKABLE), will also
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c
index 8ac376c24aa2..3b094d36a0b0 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c
@@ -535,6 +535,14 @@ static int i915_gem_init_stolen(struct intel_memory_region *mem)
 	/* Basic memrange allocator for stolen space. */
 	drm_mm_init(&i915->mm.stolen, 0, i915->dsm.usable_size);
 
+	/*
+	 * Access to stolen lmem beyond certain size for MTL A0 stepping
+	 * would crash the machine. Disable stolen lmem for userspace access
+	 * by setting usable_size to zero.
+	 */
+	if (IS_METEORLAKE(i915) && INTEL_REVID(i915) == 0x0)
+		i915->dsm.usable_size = 0;
+
 	return 0;
 }
 
@@ -557,7 +565,9 @@ static void dbg_poison(struct i915_ggtt *ggtt,
 
 		ggtt->vm.insert_page(&ggtt->vm, addr,
 				     ggtt->error_capture.start,
-				     I915_CACHE_NONE, 0);
+				     i915_gem_get_pat_index(ggtt->vm.i915,
+							    I915_CACHE_NONE),
+				     0);
 		mb();
 
 		s = io_mapping_map_wc(&ggtt->iomap,
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.h b/drivers/gpu/drm/i915/gem/i915_gem_ttm.h
index f8f6bed1b297..67347e62e29b 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_ttm.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.h
@@ -42,8 +42,9 @@ static inline bool i915_ttm_is_ghost_object(struct ttm_buffer_object *bo)
 /**
  * i915_ttm_to_gem - Convert a struct ttm_buffer_object to an embedding
  * struct drm_i915_gem_object.
+ * @bo: Pointer to the ttm buffer object
  *
- * Return: Pointer to the embedding struct ttm_buffer_object.
+ * Return: Pointer to the embedding struct drm_i915_gem_object.
  */
 static inline struct drm_i915_gem_object *
 i915_ttm_to_gem(struct ttm_buffer_object *bo)
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c
index dd188dfcc423..7078af2f8f79 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c
@@ -214,7 +214,8 @@ static struct dma_fence *i915_ttm_accel_move(struct ttm_buffer_object *bo,
 
 		intel_engine_pm_get(to_gt(i915)->migrate.context->engine);
 		ret = intel_context_migrate_clear(to_gt(i915)->migrate.context, deps,
-						  dst_st->sgl, dst_level,
+						  dst_st->sgl,
+						  i915_gem_get_pat_index(i915, dst_level),
 						  i915_ttm_gtt_binds_lmem(dst_mem),
 						  0, &rq);
 	} else {
@@ -228,9 +229,10 @@ static struct dma_fence *i915_ttm_accel_move(struct ttm_buffer_object *bo,
 		intel_engine_pm_get(to_gt(i915)->migrate.context->engine);
 		ret = intel_context_migrate_copy(to_gt(i915)->migrate.context,
 						 deps, src_rsgt->table.sgl,
-						 src_level,
+						 i915_gem_get_pat_index(i915, src_level),
 						 i915_ttm_gtt_binds_lmem(bo->resource),
-						 dst_st->sgl, dst_level,
+						 dst_st->sgl,
+						 i915_gem_get_pat_index(i915, dst_level),
 						 i915_ttm_gtt_binds_lmem(dst_mem),
 						 &rq);
 
@@ -576,7 +578,7 @@ int i915_ttm_move(struct ttm_buffer_object *bo, bool evict,
 	struct dma_fence *migration_fence = NULL;
 	struct ttm_tt *ttm = bo->ttm;
 	struct i915_refct_sgt *dst_rsgt;
-	bool clear;
+	bool clear, prealloc_bo;
 	int ret;
 
 	if (GEM_WARN_ON(i915_ttm_is_ghost_object(bo))) {
@@ -632,7 +634,8 @@ int i915_ttm_move(struct ttm_buffer_object *bo, bool evict,
 		return PTR_ERR(dst_rsgt);
 
 	clear = !i915_ttm_cpu_maps_iomem(bo->resource) && (!ttm || !ttm_tt_is_populated(ttm));
-	if (!(clear && ttm && !(ttm->page_flags & TTM_TT_FLAG_ZERO_ALLOC))) {
+	prealloc_bo = obj->flags & I915_BO_PREALLOC;
+	if (!(clear && ttm && !((ttm->page_flags & TTM_TT_FLAG_ZERO_ALLOC) && !prealloc_bo))) {
 		struct i915_deps deps;
 
 		i915_deps_init(&deps, GFP_KERNEL | __GFP_NORETRY | __GFP_NOWARN);
diff --git a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c
index 99f39a5feca1..df6c9a84252c 100644
--- a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c
+++ b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c
@@ -354,7 +354,7 @@ fake_huge_pages_object(struct drm_i915_private *i915, u64 size, bool single)
 
 	obj->write_domain = I915_GEM_DOMAIN_CPU;
 	obj->read_domains = I915_GEM_DOMAIN_CPU;
-	obj->cache_level = I915_CACHE_NONE;
+	obj->pat_index = i915_gem_get_pat_index(i915, I915_CACHE_NONE);
 
 	return obj;
 }
@@ -695,8 +695,7 @@ out_put:
 	return err;
 }
 
-static void close_object_list(struct list_head *objects,
-			      struct i915_ppgtt *ppgtt)
+static void close_object_list(struct list_head *objects)
 {
 	struct drm_i915_gem_object *obj, *on;
 
@@ -710,17 +709,36 @@ static void close_object_list(struct list_head *objects,
 	}
 }
 
-static int igt_mock_ppgtt_huge_fill(void *arg)
+static int igt_ppgtt_huge_fill(void *arg)
 {
-	struct i915_ppgtt *ppgtt = arg;
-	struct drm_i915_private *i915 = ppgtt->vm.i915;
-	unsigned long max_pages = ppgtt->vm.total >> PAGE_SHIFT;
+	struct drm_i915_private *i915 = arg;
+	unsigned int supported = RUNTIME_INFO(i915)->page_sizes;
+	bool has_pte64 = GRAPHICS_VER_FULL(i915) >= IP_VER(12, 50);
+	struct i915_address_space *vm;
+	struct i915_gem_context *ctx;
+	unsigned long max_pages;
 	unsigned long page_num;
+	struct file *file;
 	bool single = false;
 	LIST_HEAD(objects);
 	IGT_TIMEOUT(end_time);
 	int err = -ENODEV;
 
+	if (supported == I915_GTT_PAGE_SIZE_4K)
+		return 0;
+
+	file = mock_file(i915);
+	if (IS_ERR(file))
+		return PTR_ERR(file);
+
+	ctx = hugepage_ctx(i915, file);
+	if (IS_ERR(ctx)) {
+		err = PTR_ERR(ctx);
+		goto out;
+	}
+	vm = i915_gem_context_get_eb_vm(ctx);
+	max_pages = vm->total >> PAGE_SHIFT;
+
 	for_each_prime_number_from(page_num, 1, max_pages) {
 		struct drm_i915_gem_object *obj;
 		u64 size = page_num << PAGE_SHIFT;
@@ -750,13 +768,14 @@ static int igt_mock_ppgtt_huge_fill(void *arg)
 
 		list_add(&obj->st_link, &objects);
 
-		vma = i915_vma_instance(obj, &ppgtt->vm, NULL);
+		vma = i915_vma_instance(obj, vm, NULL);
 		if (IS_ERR(vma)) {
 			err = PTR_ERR(vma);
 			break;
 		}
 
-		err = i915_vma_pin(vma, 0, 0, PIN_USER);
+		/* vma start must be aligned to BIT(21) to allow 2M PTEs */
+		err = i915_vma_pin(vma, 0, BIT(21), PIN_USER);
 		if (err)
 			break;
 
@@ -784,12 +803,13 @@ static int igt_mock_ppgtt_huge_fill(void *arg)
 		GEM_BUG_ON(!expected_gtt);
 		GEM_BUG_ON(size);
 
-		if (expected_gtt & I915_GTT_PAGE_SIZE_4K)
+		if (!has_pte64 && (obj->base.size < I915_GTT_PAGE_SIZE_2M ||
+				   expected_gtt & I915_GTT_PAGE_SIZE_2M))
 			expected_gtt &= ~I915_GTT_PAGE_SIZE_64K;
 
 		i915_vma_unpin(vma);
 
-		if (vma->page_sizes.sg & I915_GTT_PAGE_SIZE_64K) {
+		if (!has_pte64 && vma->page_sizes.sg & I915_GTT_PAGE_SIZE_64K) {
 			if (!IS_ALIGNED(vma->node.start,
 					I915_GTT_PAGE_SIZE_2M)) {
 				pr_err("node.start(%llx) not aligned to 2M\n",
@@ -808,7 +828,7 @@ static int igt_mock_ppgtt_huge_fill(void *arg)
 		}
 
 		if (vma->resource->page_sizes_gtt != expected_gtt) {
-			pr_err("gtt=%u, expected=%u, size=%zd, single=%s\n",
+			pr_err("gtt=%#x, expected=%#x, size=0x%zx, single=%s\n",
 			       vma->resource->page_sizes_gtt, expected_gtt,
 			       obj->base.size, str_yes_no(!!single));
 			err = -EINVAL;
@@ -823,19 +843,25 @@ static int igt_mock_ppgtt_huge_fill(void *arg)
 		single = !single;
 	}
 
-	close_object_list(&objects, ppgtt);
+	close_object_list(&objects);
 
 	if (err == -ENOMEM || err == -ENOSPC)
 		err = 0;
 
+	i915_vm_put(vm);
+out:
+	fput(file);
 	return err;
 }
 
-static int igt_mock_ppgtt_64K(void *arg)
+static int igt_ppgtt_64K(void *arg)
 {
-	struct i915_ppgtt *ppgtt = arg;
-	struct drm_i915_private *i915 = ppgtt->vm.i915;
+	struct drm_i915_private *i915 = arg;
+	bool has_pte64 = GRAPHICS_VER_FULL(i915) >= IP_VER(12, 50);
 	struct drm_i915_gem_object *obj;
+	struct i915_address_space *vm;
+	struct i915_gem_context *ctx;
+	struct file *file;
 	const struct object_info {
 		unsigned int size;
 		unsigned int gtt;
@@ -907,16 +933,41 @@ static int igt_mock_ppgtt_64K(void *arg)
 	if (!HAS_PAGE_SIZES(i915, I915_GTT_PAGE_SIZE_64K))
 		return 0;
 
+	file = mock_file(i915);
+	if (IS_ERR(file))
+		return PTR_ERR(file);
+
+	ctx = hugepage_ctx(i915, file);
+	if (IS_ERR(ctx)) {
+		err = PTR_ERR(ctx);
+		goto out;
+	}
+	vm = i915_gem_context_get_eb_vm(ctx);
+
 	for (i = 0; i < ARRAY_SIZE(objects); ++i) {
 		unsigned int size = objects[i].size;
 		unsigned int expected_gtt = objects[i].gtt;
 		unsigned int offset = objects[i].offset;
 		unsigned int flags = PIN_USER;
 
+		/*
+		 * For modern GTT models, the requirements for marking a page-table
+		 * as 64K have been relaxed.  Account for this.
+		 */
+		if (has_pte64) {
+			expected_gtt = 0;
+			if (size >= SZ_64K)
+				expected_gtt |= I915_GTT_PAGE_SIZE_64K;
+			if (size & (SZ_64K - 1))
+				expected_gtt |= I915_GTT_PAGE_SIZE_4K;
+		}
+
 		for (single = 0; single <= 1; single++) {
 			obj = fake_huge_pages_object(i915, size, !!single);
-			if (IS_ERR(obj))
-				return PTR_ERR(obj);
+			if (IS_ERR(obj)) {
+				err = PTR_ERR(obj);
+				goto out_vm;
+			}
 
 			err = i915_gem_object_pin_pages_unlocked(obj);
 			if (err)
@@ -928,7 +979,7 @@ static int igt_mock_ppgtt_64K(void *arg)
 			 */
 			obj->mm.page_sizes.sg &= ~I915_GTT_PAGE_SIZE_2M;
 
-			vma = i915_vma_instance(obj, &ppgtt->vm, NULL);
+			vma = i915_vma_instance(obj, vm, NULL);
 			if (IS_ERR(vma)) {
 				err = PTR_ERR(vma);
 				goto out_object_unpin;
@@ -945,7 +996,8 @@ static int igt_mock_ppgtt_64K(void *arg)
 			if (err)
 				goto out_vma_unpin;
 
-			if (!offset && vma->page_sizes.sg & I915_GTT_PAGE_SIZE_64K) {
+			if (!has_pte64 && !offset &&
+			    vma->page_sizes.sg & I915_GTT_PAGE_SIZE_64K) {
 				if (!IS_ALIGNED(vma->node.start,
 						I915_GTT_PAGE_SIZE_2M)) {
 					pr_err("node.start(%llx) not aligned to 2M\n",
@@ -964,9 +1016,10 @@ static int igt_mock_ppgtt_64K(void *arg)
 			}
 
 			if (vma->resource->page_sizes_gtt != expected_gtt) {
-				pr_err("gtt=%u, expected=%u, i=%d, single=%s\n",
+				pr_err("gtt=%#x, expected=%#x, i=%d, single=%s offset=%#x size=%#x\n",
 				       vma->resource->page_sizes_gtt,
-				       expected_gtt, i, str_yes_no(!!single));
+				       expected_gtt, i, str_yes_no(!!single),
+				       offset, size);
 				err = -EINVAL;
 				goto out_vma_unpin;
 			}
@@ -982,7 +1035,7 @@ static int igt_mock_ppgtt_64K(void *arg)
 		}
 	}
 
-	return 0;
+	goto out_vm;
 
 out_vma_unpin:
 	i915_vma_unpin(vma);
@@ -992,7 +1045,10 @@ out_object_unpin:
 	i915_gem_object_unlock(obj);
 out_object_put:
 	i915_gem_object_put(obj);
-
+out_vm:
+	i915_vm_put(vm);
+out:
+	fput(file);
 	return err;
 }
 
@@ -1910,8 +1966,6 @@ int i915_gem_huge_page_mock_selftests(void)
 		SUBTEST(igt_mock_exhaust_device_supported_pages),
 		SUBTEST(igt_mock_memory_region_huge_pages),
 		SUBTEST(igt_mock_ppgtt_misaligned_dma),
-		SUBTEST(igt_mock_ppgtt_huge_fill),
-		SUBTEST(igt_mock_ppgtt_64K),
 	};
 	struct drm_i915_private *dev_priv;
 	struct i915_ppgtt *ppgtt;
@@ -1962,6 +2016,8 @@ int i915_gem_huge_page_live_selftests(struct drm_i915_private *i915)
 		SUBTEST(igt_ppgtt_sanity_check),
 		SUBTEST(igt_ppgtt_compact),
 		SUBTEST(igt_ppgtt_mixed),
+		SUBTEST(igt_ppgtt_huge_fill),
+		SUBTEST(igt_ppgtt_64K),
 	};
 
 	if (!HAS_PPGTT(i915)) {
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
index 7b516b1a4915..7021b6e9b219 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
@@ -66,7 +66,7 @@ static int live_nop_switch(void *arg)
 		ctx[n] = live_context(i915, file);
 		if (IS_ERR(ctx[n])) {
 			err = PTR_ERR(ctx[n]);
-			goto out_file;
+			goto out_ctx;
 		}
 	}
 
@@ -82,7 +82,7 @@ static int live_nop_switch(void *arg)
 			this = igt_request_alloc(ctx[n], engine);
 			if (IS_ERR(this)) {
 				err = PTR_ERR(this);
-				goto out_file;
+				goto out_ctx;
 			}
 			if (rq) {
 				i915_request_await_dma_fence(this, &rq->fence);
@@ -93,10 +93,10 @@ static int live_nop_switch(void *arg)
 		}
 		if (i915_request_wait(rq, 0, 10 * HZ) < 0) {
 			pr_err("Failed to populated %d contexts\n", nctx);
-			intel_gt_set_wedged(to_gt(i915));
+			intel_gt_set_wedged(engine->gt);
 			i915_request_put(rq);
 			err = -EIO;
-			goto out_file;
+			goto out_ctx;
 		}
 		i915_request_put(rq);
 
@@ -107,7 +107,7 @@ static int live_nop_switch(void *arg)
 
 		err = igt_live_test_begin(&t, i915, __func__, engine->name);
 		if (err)
-			goto out_file;
+			goto out_ctx;
 
 		end_time = jiffies + i915_selftest.timeout_jiffies;
 		for_each_prime_number_from(prime, 2, 8192) {
@@ -120,7 +120,7 @@ static int live_nop_switch(void *arg)
 				this = igt_request_alloc(ctx[n % nctx], engine);
 				if (IS_ERR(this)) {
 					err = PTR_ERR(this);
-					goto out_file;
+					goto out_ctx;
 				}
 
 				if (rq) { /* Force submission order */
@@ -149,7 +149,7 @@ static int live_nop_switch(void *arg)
 			if (i915_request_wait(rq, 0, HZ / 5) < 0) {
 				pr_err("Switching between %ld contexts timed out\n",
 				       prime);
-				intel_gt_set_wedged(to_gt(i915));
+				intel_gt_set_wedged(engine->gt);
 				i915_request_put(rq);
 				break;
 			}
@@ -165,7 +165,7 @@ static int live_nop_switch(void *arg)
 
 		err = igt_live_test_end(&t);
 		if (err)
-			goto out_file;
+			goto out_ctx;
 
 		pr_info("Switch latencies on %s: 1 = %lluns, %lu = %lluns\n",
 			engine->name,
@@ -173,6 +173,8 @@ static int live_nop_switch(void *arg)
 			prime - 1, div64_u64(ktime_to_ns(times[1]), prime - 1));
 	}
 
+out_ctx:
+	kfree(ctx);
 out_file:
 	fput(file);
 	return err;
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_migrate.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_migrate.c
index fe6c37fd7859..a93a90b15907 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_migrate.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_migrate.c
@@ -219,7 +219,7 @@ static int __igt_lmem_pages_migrate(struct intel_gt *gt,
 			continue;
 
 		err = intel_migrate_clear(&gt->migrate, &ww, deps,
-					  obj->mm.pages->sgl, obj->cache_level,
+					  obj->mm.pages->sgl, obj->pat_index,
 					  i915_gem_object_is_lmem(obj),
 					  0xdeadbeaf, &rq);
 		if (rq) {
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
index 01e271b6ad21..72957a36a36b 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
@@ -1222,7 +1222,7 @@ static int __igt_mmap_migrate(struct intel_memory_region **placements,
 	}
 
 	err = intel_context_migrate_clear(to_gt(i915)->migrate.context, NULL,
-					  obj->mm.pages->sgl, obj->cache_level,
+					  obj->mm.pages->sgl, obj->pat_index,
 					  i915_gem_object_is_lmem(obj),
 					  expand32(POISON_INUSE), &rq);
 	i915_gem_object_unpin_pages(obj);