[PATCH v11 0/4] Move LMEM (VRAM) management over to TTM

[PATCH v11 0/4] Move LMEM (VRAM) management over to TTM

[Thomas Hellström]

Remaining patches rebased on latest TTM changes posted for reference and CI.

Maarten Lankhorst (2):
  drm/vma: Add a driver_private member to vma_node.
  drm/i915: Use ttm mmap handling for ttm bo's.

Thomas Hellström (2):
  drm/i915/ttm: Introduce a TTM i915 gem object backend
  drm/i915/lmem: Verify checks for lmem residency

 drivers/gpu/drm/drm_gem.c                     |   9 -
 drivers/gpu/drm/i915/Makefile                 |   1 +
 drivers/gpu/drm/i915/display/intel_display.c  |   2 +-
 drivers/gpu/drm/i915/gem/i915_gem_create.c    |   9 +-
 drivers/gpu/drm/i915/gem/i915_gem_lmem.c      | 126 ++--
 drivers/gpu/drm/i915/gem/i915_gem_lmem.h      |   5 -
 drivers/gpu/drm/i915/gem/i915_gem_mman.c      |  83 ++-
 drivers/gpu/drm/i915/gem/i915_gem_object.c    | 143 ++--
 drivers/gpu/drm/i915/gem/i915_gem_object.h    |  19 +-
 .../gpu/drm/i915/gem/i915_gem_object_types.h  |  30 +-
 drivers/gpu/drm/i915/gem/i915_gem_pages.c     |   3 +-
 drivers/gpu/drm/i915/gem/i915_gem_region.c    |   6 +-
 drivers/gpu/drm/i915/gem/i915_gem_ttm.c       | 647 ++++++++++++++++++
 drivers/gpu/drm/i915/gem/i915_gem_ttm.h       |  48 ++
 .../drm/i915/gem/selftests/i915_gem_mman.c    |  90 +--
 drivers/gpu/drm/i915/gt/intel_region_lmem.c   |   3 +-
 drivers/gpu/drm/i915/i915_gem.c               |   5 +-
 drivers/gpu/drm/i915/intel_memory_region.c    |   1 -
 drivers/gpu/drm/i915/intel_memory_region.h    |   1 -
 drivers/gpu/drm/i915/intel_region_ttm.c       |   8 +-
 drivers/gpu/drm/i915/intel_region_ttm.h       |  11 +-
 drivers/gpu/drm/i915/selftests/igt_mmap.c     |  25 +-
 drivers/gpu/drm/i915/selftests/igt_mmap.h     |  12 +-
 include/drm/drm_vma_manager.h                 |   2 +-
 24 files changed, 1039 insertions(+), 250 deletions(-)
 create mode 100644 drivers/gpu/drm/i915/gem/i915_gem_ttm.c
 create mode 100644 drivers/gpu/drm/i915/gem/i915_gem_ttm.h

-- 
2.31.1

[Intel-gfx] [PATCH v11 0/4] Move LMEM (VRAM) management over to TTM

[Thomas Hellström]

Remaining patches rebased on latest TTM changes posted for reference and CI.

Maarten Lankhorst (2):
  drm/vma: Add a driver_private member to vma_node.
  drm/i915: Use ttm mmap handling for ttm bo's.

Thomas Hellström (2):
  drm/i915/ttm: Introduce a TTM i915 gem object backend
  drm/i915/lmem: Verify checks for lmem residency

 drivers/gpu/drm/drm_gem.c                     |   9 -
 drivers/gpu/drm/i915/Makefile                 |   1 +
 drivers/gpu/drm/i915/display/intel_display.c  |   2 +-
 drivers/gpu/drm/i915/gem/i915_gem_create.c    |   9 +-
 drivers/gpu/drm/i915/gem/i915_gem_lmem.c      | 126 ++--
 drivers/gpu/drm/i915/gem/i915_gem_lmem.h      |   5 -
 drivers/gpu/drm/i915/gem/i915_gem_mman.c      |  83 ++-
 drivers/gpu/drm/i915/gem/i915_gem_object.c    | 143 ++--
 drivers/gpu/drm/i915/gem/i915_gem_object.h    |  19 +-
 .../gpu/drm/i915/gem/i915_gem_object_types.h  |  30 +-
 drivers/gpu/drm/i915/gem/i915_gem_pages.c     |   3 +-
 drivers/gpu/drm/i915/gem/i915_gem_region.c    |   6 +-
 drivers/gpu/drm/i915/gem/i915_gem_ttm.c       | 647 ++++++++++++++++++
 drivers/gpu/drm/i915/gem/i915_gem_ttm.h       |  48 ++
 .../drm/i915/gem/selftests/i915_gem_mman.c    |  90 +--
 drivers/gpu/drm/i915/gt/intel_region_lmem.c   |   3 +-
 drivers/gpu/drm/i915/i915_gem.c               |   5 +-
 drivers/gpu/drm/i915/intel_memory_region.c    |   1 -
 drivers/gpu/drm/i915/intel_memory_region.h    |   1 -
 drivers/gpu/drm/i915/intel_region_ttm.c       |   8 +-
 drivers/gpu/drm/i915/intel_region_ttm.h       |  11 +-
 drivers/gpu/drm/i915/selftests/igt_mmap.c     |  25 +-
 drivers/gpu/drm/i915/selftests/igt_mmap.h     |  12 +-
 include/drm/drm_vma_manager.h                 |   2 +-
 24 files changed, 1039 insertions(+), 250 deletions(-)
 create mode 100644 drivers/gpu/drm/i915/gem/i915_gem_ttm.c
 create mode 100644 drivers/gpu/drm/i915/gem/i915_gem_ttm.h

-- 
2.31.1

_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

[PATCH v11 1/4] drm/i915/ttm: Introduce a TTM i915 gem object backend

[Thomas Hellström]

Most logical place to introduce TTM buffer objects is as an i915
gem object backend. We need to add some ops to account for added
functionality like delayed delete and LRU list manipulation.

Initially we support only LMEM and SYSTEM memory, but SYSTEM
(which in this case means evicted LMEM objects) is not
visible to i915 GEM yet. The plan is to move the i915 gem system region
over to the TTM system memory type in upcoming patches.

We set up GPU bindings directly both from LMEM and from the system region,
as there is no need to use the legacy TTM_TT memory type. We reserve
that for future porting of GGTT bindings to TTM.

Remove the old lmem backend.

Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
---
v2:
- Break out needed TTM functionality to a separate patch (Reported by
Christian König).
- Fix an unhandled error (Reported by Matthew Auld and Maarten Lankhorst)
- Remove a stray leftover sg_table allocation (Reported by Matthew Auld)
- Use ttm_tt_unpopulate() rather than ttm_tt_destroy() in the purge path
  as some TTM functionality relies on having a ttm_tt present for !is_iomem.
v3:
- Use ttm_bo_type_device for userspace visible objects so that TTM can
  allocate an address space offset for mmap'ing.
- Fix up the destruction path (Reported by Matthew Auld)
- Use ttm_bo_validate() for purging (Reported by Christian König)
- Create ttm_tts write-combined as they are currently for eviction only and
  we want to maintain consistent write-combined caching for bos that are
  not in system only. (Suggested by Daniel Vetter)
- Make struct ttm_placements static.
- Add the ttm device funcs/ops to i915_gem_ttm.h for the region code.
- Rename new->dst and old->src. Check for swapin in the move callback.
v4:
- Adapt to small interface change in ttm_move_memcpy.
- Use a function to pull out the ttm driver from the backend.
v6:
- Remove the ttm device verify_access assignment. The member is gone
  upstream.
---
 drivers/gpu/drm/i915/Makefile                 |   1 +
 drivers/gpu/drm/i915/gem/i915_gem_create.c    |   9 +-
 drivers/gpu/drm/i915/gem/i915_gem_lmem.c      |  84 ---
 drivers/gpu/drm/i915/gem/i915_gem_lmem.h      |   5 -
 drivers/gpu/drm/i915/gem/i915_gem_object.c    | 125 ++--
 drivers/gpu/drm/i915/gem/i915_gem_object.h    |   9 +
 .../gpu/drm/i915/gem/i915_gem_object_types.h  |  27 +-
 drivers/gpu/drm/i915/gem/i915_gem_region.c    |   6 +-
 drivers/gpu/drm/i915/gem/i915_gem_ttm.c       | 540 ++++++++++++++++++
 drivers/gpu/drm/i915/gem/i915_gem_ttm.h       |  48 ++
 drivers/gpu/drm/i915/gt/intel_region_lmem.c   |   3 +-
 drivers/gpu/drm/i915/i915_gem.c               |   5 +-
 drivers/gpu/drm/i915/intel_memory_region.c    |   1 -
 drivers/gpu/drm/i915/intel_memory_region.h    |   1 -
 drivers/gpu/drm/i915/intel_region_ttm.c       |   8 +-
 drivers/gpu/drm/i915/intel_region_ttm.h       |  11 +-
 16 files changed, 730 insertions(+), 153 deletions(-)
 create mode 100644 drivers/gpu/drm/i915/gem/i915_gem_ttm.c
 create mode 100644 drivers/gpu/drm/i915/gem/i915_gem_ttm.h

diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index 4f22cac1c49b..f57dfc74d6ce 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -155,6 +155,7 @@ gem-y += \
 	gem/i915_gem_stolen.o \
 	gem/i915_gem_throttle.o \
 	gem/i915_gem_tiling.o \
+	gem/i915_gem_ttm.o \
 	gem/i915_gem_userptr.o \
 	gem/i915_gem_wait.o \
 	gem/i915_gemfs.o
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_create.c b/drivers/gpu/drm/i915/gem/i915_gem_create.c
index 548ddf39d853..93bf63bbaff1 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_create.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_create.c
@@ -85,13 +85,10 @@ i915_gem_setup(struct drm_i915_gem_object *obj, u64 size)
 		return -E2BIG;
 
 	/*
-	 * For now resort to CPU based clearing for device local-memory, in the
-	 * near future this will use the blitter engine for accelerated, GPU
-	 * based clearing.
+	 * I915_BO_ALLOC_USER will make sure the object is cleared before
+	 * any user access.
 	 */
-	flags = 0;
-	if (mr->type == INTEL_MEMORY_LOCAL)
-		flags = I915_BO_ALLOC_CPU_CLEAR;
+	flags = I915_BO_ALLOC_USER;
 
 	ret = mr->ops->init_object(mr, obj, size, flags);
 	if (ret)
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_lmem.c b/drivers/gpu/drm/i915/gem/i915_gem_lmem.c
index 3b4aa28a076d..2b8cd15de1d9 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_lmem.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_lmem.c
@@ -4,74 +4,10 @@
  */
 
 #include "intel_memory_region.h"
-#include "intel_region_ttm.h"
 #include "gem/i915_gem_region.h"
 #include "gem/i915_gem_lmem.h"
 #include "i915_drv.h"
 
-static void lmem_put_pages(struct drm_i915_gem_object *obj,
-			   struct sg_table *pages)
-{
-	intel_region_ttm_node_free(obj->mm.region, obj->mm.st_mm_node);
-	obj->mm.dirty = false;
-	sg_free_table(pages);
-	kfree(pages);
-}
-
-static int lmem_get_pages(struct drm_i915_gem_object *obj)
-{
-	unsigned int flags;
-	struct sg_table *pages;
-
-	flags = I915_ALLOC_MIN_PAGE_SIZE;
-	if (obj->flags & I915_BO_ALLOC_CONTIGUOUS)
-		flags |= I915_ALLOC_CONTIGUOUS;
-
-	obj->mm.st_mm_node = intel_region_ttm_node_alloc(obj->mm.region,
-							 obj->base.size,
-							 flags);
-	if (IS_ERR(obj->mm.st_mm_node))
-		return PTR_ERR(obj->mm.st_mm_node);
-
-	/* Range manager is always contigous */
-	if (obj->mm.region->is_range_manager)
-		obj->flags |= I915_BO_ALLOC_CONTIGUOUS;
-	pages = intel_region_ttm_node_to_st(obj->mm.region, obj->mm.st_mm_node);
-	if (IS_ERR(pages)) {
-		intel_region_ttm_node_free(obj->mm.region, obj->mm.st_mm_node);
-		return PTR_ERR(pages);
-	}
-
-	__i915_gem_object_set_pages(obj, pages, i915_sg_dma_sizes(pages->sgl));
-
-	if (obj->flags & I915_BO_ALLOC_CPU_CLEAR) {
-		void __iomem *vaddr =
-			i915_gem_object_lmem_io_map(obj, 0, obj->base.size);
-
-		if (!vaddr) {
-			struct sg_table *pages =
-				__i915_gem_object_unset_pages(obj);
-
-			if (!IS_ERR_OR_NULL(pages))
-				lmem_put_pages(obj, pages);
-		}
-
-		memset_io(vaddr, 0, obj->base.size);
-		io_mapping_unmap(vaddr);
-	}
-
-	return 0;
-}
-
-const struct drm_i915_gem_object_ops i915_gem_lmem_obj_ops = {
-	.name = "i915_gem_object_lmem",
-	.flags = I915_GEM_OBJECT_HAS_IOMEM,
-
-	.get_pages = lmem_get_pages,
-	.put_pages = lmem_put_pages,
-	.release = i915_gem_object_release_memory_region,
-};
-
 void __iomem *
 i915_gem_object_lmem_io_map(struct drm_i915_gem_object *obj,
 			    unsigned long n,
@@ -103,23 +39,3 @@ i915_gem_object_create_lmem(struct drm_i915_private *i915,
 	return i915_gem_object_create_region(i915->mm.regions[INTEL_REGION_LMEM],
 					     size, flags);
 }
-
-int __i915_gem_lmem_object_init(struct intel_memory_region *mem,
-				struct drm_i915_gem_object *obj,
-				resource_size_t size,
-				unsigned int flags)
-{
-	static struct lock_class_key lock_class;
-	struct drm_i915_private *i915 = mem->i915;
-
-	drm_gem_private_object_init(&i915->drm, &obj->base, size);
-	i915_gem_object_init(obj, &i915_gem_lmem_obj_ops, &lock_class, flags);
-
-	obj->read_domains = I915_GEM_DOMAIN_WC | I915_GEM_DOMAIN_GTT;
-
-	i915_gem_object_set_cache_coherency(obj, I915_CACHE_NONE);
-
-	i915_gem_object_init_memory_region(obj, mem);
-
-	return 0;
-}
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_lmem.h b/drivers/gpu/drm/i915/gem/i915_gem_lmem.h
index fac6bc5a5ebb..ea76fd11ccb0 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_lmem.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_lmem.h
@@ -26,9 +26,4 @@ i915_gem_object_create_lmem(struct drm_i915_private *i915,
 			    resource_size_t size,
 			    unsigned int flags);
 
-int __i915_gem_lmem_object_init(struct intel_memory_region *mem,
-				struct drm_i915_gem_object *obj,
-				resource_size_t size,
-				unsigned int flags);
-
 #endif /* !__I915_GEM_LMEM_H */
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c
index 5706d471692d..16eac5ea9238 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c
@@ -172,7 +172,7 @@ static void i915_gem_close_object(struct drm_gem_object *gem, struct drm_file *f
 	}
 }
 
-static void __i915_gem_free_object_rcu(struct rcu_head *head)
+void __i915_gem_free_object_rcu(struct rcu_head *head)
 {
 	struct drm_i915_gem_object *obj =
 		container_of(head, typeof(*obj), rcu);
@@ -208,59 +208,69 @@ static void __i915_gem_object_free_mmaps(struct drm_i915_gem_object *obj)
 	}
 }
 
-static void __i915_gem_free_objects(struct drm_i915_private *i915,
-				    struct llist_node *freed)
+void __i915_gem_free_object(struct drm_i915_gem_object *obj)
 {
-	struct drm_i915_gem_object *obj, *on;
+	trace_i915_gem_object_destroy(obj);
 
-	llist_for_each_entry_safe(obj, on, freed, freed) {
-		trace_i915_gem_object_destroy(obj);
+	if (!list_empty(&obj->vma.list)) {
+		struct i915_vma *vma;
+
+		/*
+		 * Note that the vma keeps an object reference while
+		 * it is active, so it *should* not sleep while we
+		 * destroy it. Our debug code errs insits it *might*.
+		 * For the moment, play along.
+		 */
+		spin_lock(&obj->vma.lock);
+		while ((vma = list_first_entry_or_null(&obj->vma.list,
+						       struct i915_vma,
+						       obj_link))) {
+			GEM_BUG_ON(vma->obj != obj);
+			spin_unlock(&obj->vma.lock);
 
-		if (!list_empty(&obj->vma.list)) {
-			struct i915_vma *vma;
+			__i915_vma_put(vma);
 
-			/*
-			 * Note that the vma keeps an object reference while
-			 * it is active, so it *should* not sleep while we
-			 * destroy it. Our debug code errs insits it *might*.
-			 * For the moment, play along.
-			 */
 			spin_lock(&obj->vma.lock);
-			while ((vma = list_first_entry_or_null(&obj->vma.list,
-							       struct i915_vma,
-							       obj_link))) {
-				GEM_BUG_ON(vma->obj != obj);
-				spin_unlock(&obj->vma.lock);
+		}
+		spin_unlock(&obj->vma.lock);
+	}
 
-				__i915_vma_put(vma);
+	__i915_gem_object_free_mmaps(obj);
 
-				spin_lock(&obj->vma.lock);
-			}
-			spin_unlock(&obj->vma.lock);
-		}
+	GEM_BUG_ON(!list_empty(&obj->lut_list));
 
-		__i915_gem_object_free_mmaps(obj);
+	atomic_set(&obj->mm.pages_pin_count, 0);
+	__i915_gem_object_put_pages(obj);
+	GEM_BUG_ON(i915_gem_object_has_pages(obj));
+	bitmap_free(obj->bit_17);
 
-		GEM_BUG_ON(!list_empty(&obj->lut_list));
+	if (obj->base.import_attach)
+		drm_prime_gem_destroy(&obj->base, NULL);
 
-		atomic_set(&obj->mm.pages_pin_count, 0);
-		__i915_gem_object_put_pages(obj);
-		GEM_BUG_ON(i915_gem_object_has_pages(obj));
-		bitmap_free(obj->bit_17);
+	drm_gem_free_mmap_offset(&obj->base);
 
-		if (obj->base.import_attach)
-			drm_prime_gem_destroy(&obj->base, NULL);
+	if (obj->ops->release)
+		obj->ops->release(obj);
 
-		drm_gem_free_mmap_offset(&obj->base);
+	if (obj->mm.n_placements > 1)
+		kfree(obj->mm.placements);
 
-		if (obj->ops->release)
-			obj->ops->release(obj);
+	if (obj->shares_resv_from)
+		i915_vm_resv_put(obj->shares_resv_from);
+}
 
-		if (obj->mm.n_placements > 1)
-			kfree(obj->mm.placements);
+static void __i915_gem_free_objects(struct drm_i915_private *i915,
+				    struct llist_node *freed)
+{
+	struct drm_i915_gem_object *obj, *on;
 
-		if (obj->shares_resv_from)
-			i915_vm_resv_put(obj->shares_resv_from);
+	llist_for_each_entry_safe(obj, on, freed, freed) {
+		might_sleep();
+		if (obj->ops->delayed_free) {
+			obj->ops->delayed_free(obj);
+			continue;
+		}
+		__i915_gem_free_object(obj);
 
 		/* But keep the pointer alive for RCU-protected lookups */
 		call_rcu(&obj->rcu, __i915_gem_free_object_rcu);
@@ -318,6 +328,7 @@ static void i915_gem_free_object(struct drm_gem_object *gem_obj)
 	 * worker and performing frees directly from subsequent allocations for
 	 * crude but effective memory throttling.
 	 */
+
 	if (llist_add(&obj->freed, &i915->mm.free_list))
 		queue_work(i915->wq, &i915->mm.free_work);
 }
@@ -410,6 +421,42 @@ int i915_gem_object_read_from_page(struct drm_i915_gem_object *obj, u64 offset,
 	return 0;
 }
 
+/**
+ * i915_gem_object_evictable - Whether object is likely evictable after unbind.
+ * @obj: The object to check
+ *
+ * This function checks whether the object is likely unvictable after unbind.
+ * If the object is not locked when checking, the result is only advisory.
+ * If the object is locked when checking, and the function returns true,
+ * then an eviction should indeed be possible. But since unlocked vma
+ * unpinning and unbinding is currently possible, the object can actually
+ * become evictable even if this function returns false.
+ *
+ * Return: true if the object may be evictable. False otherwise.
+ */
+bool i915_gem_object_evictable(struct drm_i915_gem_object *obj)
+{
+	struct i915_vma *vma;
+	int pin_count = atomic_read(&obj->mm.pages_pin_count);
+
+	if (!pin_count)
+		return true;
+
+	spin_lock(&obj->vma.lock);
+	list_for_each_entry(vma, &obj->vma.list, obj_link) {
+		if (i915_vma_is_pinned(vma)) {
+			spin_unlock(&obj->vma.lock);
+			return false;
+		}
+		if (atomic_read(&vma->pages_count))
+			pin_count--;
+	}
+	spin_unlock(&obj->vma.lock);
+	GEM_WARN_ON(pin_count < 0);
+
+	return pin_count == 0;
+}
+
 void i915_gem_init__objects(struct drm_i915_private *i915)
 {
 	INIT_WORK(&i915->mm.free_work, __i915_gem_free_work);
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.h b/drivers/gpu/drm/i915/gem/i915_gem_object.h
index 7c0eb425cb3b..5ae32ea99ee5 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.h
@@ -200,6 +200,9 @@ static inline bool i915_gem_object_trylock(struct drm_i915_gem_object *obj)
 
 static inline void i915_gem_object_unlock(struct drm_i915_gem_object *obj)
 {
+	if (obj->ops->adjust_lru)
+		obj->ops->adjust_lru(obj);
+
 	dma_resv_unlock(obj->base.resv);
 }
 
@@ -587,6 +590,12 @@ int i915_gem_object_read_from_page(struct drm_i915_gem_object *obj, u64 offset,
 
 bool i915_gem_object_is_shmem(const struct drm_i915_gem_object *obj);
 
+void __i915_gem_free_object_rcu(struct rcu_head *head);
+
+void __i915_gem_free_object(struct drm_i915_gem_object *obj);
+
+bool i915_gem_object_evictable(struct drm_i915_gem_object *obj);
+
 #ifdef CONFIG_MMU_NOTIFIER
 static inline bool
 i915_gem_object_is_userptr(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 d047ea126029..68313474e6a6 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h
@@ -63,6 +63,20 @@ struct drm_i915_gem_object_ops {
 		      const struct drm_i915_gem_pwrite *arg);
 
 	int (*dmabuf_export)(struct drm_i915_gem_object *obj);
+
+	/**
+	 * adjust_lru - notify that the madvise value was updated
+	 * @obj: The gem object
+	 *
+	 * The madvise value may have been updated, or object was recently
+	 * referenced so act accordingly (Perhaps changing an LRU list etc).
+	 */
+	void (*adjust_lru)(struct drm_i915_gem_object *obj);
+
+	/**
+	 * delayed_free - Override the default delayed free implementation
+	 */
+	void (*delayed_free)(struct drm_i915_gem_object *obj);
 	void (*release)(struct drm_i915_gem_object *obj);
 
 	const char *name; /* friendly name for debug, e.g. lockdep classes */
@@ -187,12 +201,14 @@ struct drm_i915_gem_object {
 #define I915_BO_ALLOC_VOLATILE   BIT(1)
 #define I915_BO_ALLOC_STRUCT_PAGE BIT(2)
 #define I915_BO_ALLOC_CPU_CLEAR  BIT(3)
+#define I915_BO_ALLOC_USER       BIT(4)
 #define I915_BO_ALLOC_FLAGS (I915_BO_ALLOC_CONTIGUOUS | \
 			     I915_BO_ALLOC_VOLATILE | \
 			     I915_BO_ALLOC_STRUCT_PAGE | \
-			     I915_BO_ALLOC_CPU_CLEAR)
-#define I915_BO_READONLY         BIT(4)
-#define I915_TILING_QUIRK_BIT    5 /* unknown swizzling; do not release! */
+			     I915_BO_ALLOC_CPU_CLEAR | \
+			     I915_BO_ALLOC_USER)
+#define I915_BO_READONLY         BIT(5)
+#define I915_TILING_QUIRK_BIT    6 /* unknown swizzling; do not release! */
 
 	/*
 	 * Is the object to be mapped as read-only to the GPU
@@ -310,6 +326,11 @@ struct drm_i915_gem_object {
 		bool dirty:1;
 	} mm;
 
+	struct {
+		struct sg_table *cached_io_st;
+		bool created:1;
+	} ttm;
+
 	/** Record of address bit 17 of each page at last unbind. */
 	unsigned long *bit_17;
 
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_region.c b/drivers/gpu/drm/i915/gem/i915_gem_region.c
index f25e6646c5b7..d1f1840540dd 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_region.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_region.c
@@ -18,11 +18,7 @@ void i915_gem_object_init_memory_region(struct drm_i915_gem_object *obj,
 
 	mutex_lock(&mem->objects.lock);
 
-	if (obj->flags & I915_BO_ALLOC_VOLATILE)
-		list_add(&obj->mm.region_link, &mem->objects.purgeable);
-	else
-		list_add(&obj->mm.region_link, &mem->objects.list);
-
+	list_add(&obj->mm.region_link, &mem->objects.list);
 	mutex_unlock(&mem->objects.lock);
 }
 
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
new file mode 100644
index 000000000000..2695b8c37e13
--- /dev/null
+++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
@@ -0,0 +1,540 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2021 Intel Corporation
+ */
+
+#include <drm/ttm/ttm_bo_driver.h>
+#include <drm/ttm/ttm_placement.h>
+
+#include "i915_drv.h"
+#include "intel_memory_region.h"
+#include "intel_region_ttm.h"
+
+#include "gem/i915_gem_object.h"
+#include "gem/i915_gem_region.h"
+#include "gem/i915_gem_ttm.h"
+
+#define I915_PL_LMEM0 TTM_PL_PRIV
+#define I915_PL_SYSTEM TTM_PL_SYSTEM
+#define I915_PL_STOLEN TTM_PL_VRAM
+#define I915_PL_GGTT TTM_PL_TT
+
+#define I915_TTM_PRIO_PURGE     0
+#define I915_TTM_PRIO_NO_PAGES  1
+#define I915_TTM_PRIO_HAS_PAGES 2
+
+/**
+ * struct i915_ttm_tt - TTM page vector with additional private information
+ * @ttm: The base TTM page vector.
+ * @dev: The struct device used for dma mapping and unmapping.
+ * @cached_st: The cached scatter-gather table.
+ *
+ * Note that DMA may be going on right up to the point where the page-
+ * vector is unpopulated in delayed destroy. Hence keep the
+ * scatter-gather table mapped and cached up to that point. This is
+ * different from the cached gem object io scatter-gather table which
+ * doesn't have an associated dma mapping.
+ */
+struct i915_ttm_tt {
+	struct ttm_tt ttm;
+	struct device *dev;
+	struct sg_table *cached_st;
+};
+
+static const struct ttm_place lmem0_sys_placement_flags[] = {
+	{
+		.fpfn = 0,
+		.lpfn = 0,
+		.mem_type = I915_PL_LMEM0,
+		.flags = 0,
+	}, {
+		.fpfn = 0,
+		.lpfn = 0,
+		.mem_type = I915_PL_SYSTEM,
+		.flags = 0,
+	}
+};
+
+static struct ttm_placement i915_lmem0_placement = {
+	.num_placement = 1,
+	.placement = &lmem0_sys_placement_flags[0],
+	.num_busy_placement = 1,
+	.busy_placement = &lmem0_sys_placement_flags[0],
+};
+
+static struct ttm_placement i915_sys_placement = {
+	.num_placement = 1,
+	.placement = &lmem0_sys_placement_flags[1],
+	.num_busy_placement = 1,
+	.busy_placement = &lmem0_sys_placement_flags[1],
+};
+
+static void i915_ttm_adjust_lru(struct drm_i915_gem_object *obj);
+
+static struct ttm_tt *i915_ttm_tt_create(struct ttm_buffer_object *bo,
+					 uint32_t page_flags)
+{
+	struct ttm_resource_manager *man =
+		ttm_manager_type(bo->bdev, bo->resource->mem_type);
+	struct drm_i915_gem_object *obj = i915_ttm_to_gem(bo);
+	struct i915_ttm_tt *i915_tt;
+	int ret;
+
+	i915_tt = kzalloc(sizeof(*i915_tt), GFP_KERNEL);
+	if (!i915_tt)
+		return NULL;
+
+	if (obj->flags & I915_BO_ALLOC_CPU_CLEAR &&
+	    man->use_tt)
+		page_flags |= TTM_PAGE_FLAG_ZERO_ALLOC;
+
+	ret = ttm_tt_init(&i915_tt->ttm, bo, page_flags, ttm_write_combined);
+	if (ret) {
+		kfree(i915_tt);
+		return NULL;
+	}
+
+	i915_tt->dev = obj->base.dev->dev;
+
+	return &i915_tt->ttm;
+}
+
+static void i915_ttm_tt_unpopulate(struct ttm_device *bdev, struct ttm_tt *ttm)
+{
+	struct i915_ttm_tt *i915_tt = container_of(ttm, typeof(*i915_tt), ttm);
+
+	if (i915_tt->cached_st) {
+		dma_unmap_sgtable(i915_tt->dev, i915_tt->cached_st,
+				  DMA_BIDIRECTIONAL, 0);
+		sg_free_table(i915_tt->cached_st);
+		kfree(i915_tt->cached_st);
+		i915_tt->cached_st = NULL;
+	}
+	ttm_pool_free(&bdev->pool, ttm);
+}
+
+static void i915_ttm_tt_destroy(struct ttm_device *bdev, struct ttm_tt *ttm)
+{
+	struct i915_ttm_tt *i915_tt = container_of(ttm, typeof(*i915_tt), ttm);
+
+	ttm_tt_destroy_common(bdev, ttm);
+	kfree(i915_tt);
+}
+
+static bool i915_ttm_eviction_valuable(struct ttm_buffer_object *bo,
+				       const struct ttm_place *place)
+{
+	struct drm_i915_gem_object *obj = i915_ttm_to_gem(bo);
+
+	/* Will do for now. Our pinned objects are still on TTM's LRU lists */
+	if (!i915_gem_object_evictable(obj))
+		return false;
+
+	/* This isn't valid with a buddy allocator */
+	return ttm_bo_eviction_valuable(bo, place);
+}
+
+static void i915_ttm_evict_flags(struct ttm_buffer_object *bo,
+				 struct ttm_placement *placement)
+{
+	*placement = i915_sys_placement;
+}
+
+static int i915_ttm_move_notify(struct ttm_buffer_object *bo)
+{
+	struct drm_i915_gem_object *obj = i915_ttm_to_gem(bo);
+	int ret;
+
+	ret = i915_gem_object_unbind(obj, I915_GEM_OBJECT_UNBIND_ACTIVE);
+	if (ret)
+		return ret;
+
+	ret = __i915_gem_object_put_pages(obj);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static void i915_ttm_free_cached_io_st(struct drm_i915_gem_object *obj)
+{
+	if (obj->ttm.cached_io_st) {
+		sg_free_table(obj->ttm.cached_io_st);
+		kfree(obj->ttm.cached_io_st);
+		obj->ttm.cached_io_st = NULL;
+	}
+}
+
+static void i915_ttm_purge(struct drm_i915_gem_object *obj)
+{
+	struct ttm_buffer_object *bo = i915_gem_to_ttm(obj);
+	struct ttm_operation_ctx ctx = {
+		.interruptible = true,
+		.no_wait_gpu = false,
+	};
+	struct ttm_placement place = {};
+	int ret;
+
+	if (obj->mm.madv == __I915_MADV_PURGED)
+		return;
+
+	/* TTM's purge interface. Note that we might be reentering. */
+	ret = ttm_bo_validate(bo, &place, &ctx);
+
+	if (!ret) {
+		i915_ttm_free_cached_io_st(obj);
+		obj->mm.madv = __I915_MADV_PURGED;
+	}
+}
+
+static void i915_ttm_swap_notify(struct ttm_buffer_object *bo)
+{
+	struct drm_i915_gem_object *obj = i915_ttm_to_gem(bo);
+	int ret = i915_ttm_move_notify(bo);
+
+	GEM_WARN_ON(ret);
+	GEM_WARN_ON(obj->ttm.cached_io_st);
+	if (!ret && obj->mm.madv != I915_MADV_WILLNEED)
+		i915_ttm_purge(obj);
+}
+
+static void i915_ttm_delete_mem_notify(struct ttm_buffer_object *bo)
+{
+	struct drm_i915_gem_object *obj = i915_ttm_to_gem(bo);
+
+	if (likely(obj)) {
+		/* This releases all gem object bindings to the backend. */
+		__i915_gem_free_object(obj);
+	}
+}
+
+static struct intel_memory_region *
+i915_ttm_region(struct ttm_device *bdev, int ttm_mem_type)
+{
+	struct drm_i915_private *i915 = container_of(bdev, typeof(*i915), bdev);
+
+	/* There's some room for optimization here... */
+	GEM_BUG_ON(ttm_mem_type != I915_PL_SYSTEM &&
+		   ttm_mem_type < I915_PL_LMEM0);
+	if (ttm_mem_type == I915_PL_SYSTEM)
+		return intel_memory_region_lookup(i915, INTEL_MEMORY_SYSTEM,
+						  0);
+
+	return intel_memory_region_lookup(i915, INTEL_MEMORY_LOCAL,
+					  ttm_mem_type - I915_PL_LMEM0);
+}
+
+static struct sg_table *i915_ttm_tt_get_st(struct ttm_tt *ttm)
+{
+	struct i915_ttm_tt *i915_tt = container_of(ttm, typeof(*i915_tt), ttm);
+	struct scatterlist *sg;
+	struct sg_table *st;
+	int ret;
+
+	if (i915_tt->cached_st)
+		return i915_tt->cached_st;
+
+	st = kzalloc(sizeof(*st), GFP_KERNEL);
+	if (!st)
+		return ERR_PTR(-ENOMEM);
+
+	sg = __sg_alloc_table_from_pages
+		(st, ttm->pages, ttm->num_pages, 0,
+		 (unsigned long)ttm->num_pages << PAGE_SHIFT,
+		 i915_sg_segment_size(), NULL, 0, GFP_KERNEL);
+	if (IS_ERR(sg)) {
+		kfree(st);
+		return ERR_CAST(sg);
+	}
+
+	ret = dma_map_sgtable(i915_tt->dev, st, DMA_BIDIRECTIONAL, 0);
+	if (ret) {
+		sg_free_table(st);
+		kfree(st);
+		return ERR_PTR(ret);
+	}
+
+	i915_tt->cached_st = st;
+	return st;
+}
+
+static struct sg_table *
+i915_ttm_resource_get_st(struct drm_i915_gem_object *obj,
+			 struct ttm_resource *res)
+{
+	struct ttm_buffer_object *bo = i915_gem_to_ttm(obj);
+	struct ttm_resource_manager *man =
+		ttm_manager_type(bo->bdev, res->mem_type);
+
+	if (man->use_tt)
+		return i915_ttm_tt_get_st(bo->ttm);
+
+	return intel_region_ttm_node_to_st(obj->mm.region, res);
+}
+
+static int i915_ttm_move(struct ttm_buffer_object *bo, bool evict,
+			 struct ttm_operation_ctx *ctx,
+			 struct ttm_resource *dst_mem,
+			 struct ttm_place *hop)
+{
+	struct drm_i915_gem_object *obj = i915_ttm_to_gem(bo);
+	struct ttm_resource_manager *dst_man =
+		ttm_manager_type(bo->bdev, dst_mem->mem_type);
+	struct ttm_resource_manager *src_man =
+		ttm_manager_type(bo->bdev, bo->resource->mem_type);
+	struct intel_memory_region *dst_reg, *src_reg;
+	union {
+		struct ttm_kmap_iter_tt tt;
+		struct ttm_kmap_iter_iomap io;
+	} _dst_iter, _src_iter;
+	struct ttm_kmap_iter *dst_iter, *src_iter;
+	struct sg_table *dst_st;
+	int ret;
+
+	dst_reg = i915_ttm_region(bo->bdev, dst_mem->mem_type);
+	src_reg = i915_ttm_region(bo->bdev, bo->resource->mem_type);
+	GEM_BUG_ON(!dst_reg || !src_reg);
+
+	/* Sync for now. We could do the actual copy async. */
+	ret = ttm_bo_wait_ctx(bo, ctx);
+	if (ret)
+		return ret;
+
+	ret = i915_ttm_move_notify(bo);
+	if (ret)
+		return ret;
+
+	if (obj->mm.madv != I915_MADV_WILLNEED) {
+		i915_ttm_purge(obj);
+		ttm_resource_free(bo, &dst_mem);
+		return 0;
+	}
+
+	/* Populate ttm with pages if needed. Typically system memory. */
+	if (bo->ttm && (dst_man->use_tt ||
+			(bo->ttm->page_flags & TTM_PAGE_FLAG_SWAPPED))) {
+		ret = ttm_tt_populate(bo->bdev, bo->ttm, ctx);
+		if (ret)
+			return ret;
+	}
+
+	dst_st = i915_ttm_resource_get_st(obj, dst_mem);
+	if (IS_ERR(dst_st))
+		return PTR_ERR(dst_st);
+
+	/* If we start mapping GGTT, we can no longer use man::use_tt here. */
+	dst_iter = dst_man->use_tt ?
+		ttm_kmap_iter_tt_init(&_dst_iter.tt, bo->ttm) :
+		ttm_kmap_iter_iomap_init(&_dst_iter.io, &dst_reg->iomap,
+					 dst_st, dst_reg->region.start);
+
+	src_iter = src_man->use_tt ?
+		ttm_kmap_iter_tt_init(&_src_iter.tt, bo->ttm) :
+		ttm_kmap_iter_iomap_init(&_src_iter.io, &src_reg->iomap,
+					 obj->ttm.cached_io_st,
+					 src_reg->region.start);
+
+	ttm_move_memcpy(bo, dst_mem->num_pages, dst_iter, src_iter);
+	ttm_bo_move_sync_cleanup(bo, dst_mem);
+	i915_ttm_free_cached_io_st(obj);
+
+	if (!dst_man->use_tt)
+		obj->ttm.cached_io_st = dst_st;
+
+	return 0;
+}
+
+static struct ttm_device_funcs i915_ttm_bo_driver = {
+	.ttm_tt_create = i915_ttm_tt_create,
+	.ttm_tt_unpopulate = i915_ttm_tt_unpopulate,
+	.ttm_tt_destroy = i915_ttm_tt_destroy,
+	.eviction_valuable = i915_ttm_eviction_valuable,
+	.evict_flags = i915_ttm_evict_flags,
+	.move = i915_ttm_move,
+	.swap_notify = i915_ttm_swap_notify,
+	.delete_mem_notify = i915_ttm_delete_mem_notify,
+};
+
+/**
+ * i915_ttm_driver - Return a pointer to the TTM device funcs
+ *
+ * Return: Pointer to statically allocated TTM device funcs.
+ */
+struct ttm_device_funcs *i915_ttm_driver(void)
+{
+	return &i915_ttm_bo_driver;
+}
+
+static int i915_ttm_get_pages(struct drm_i915_gem_object *obj)
+{
+	struct ttm_buffer_object *bo = i915_gem_to_ttm(obj);
+	struct ttm_operation_ctx ctx = {
+		.interruptible = true,
+		.no_wait_gpu = false,
+	};
+	struct sg_table *st;
+	int ret;
+
+	/* Move to the requested placement. */
+	ret = ttm_bo_validate(bo, &i915_lmem0_placement, &ctx);
+	if (ret)
+		return ret == -ENOSPC ? -ENXIO : ret;
+
+	/* Object either has a page vector or is an iomem object */
+	st = bo->ttm ? i915_ttm_tt_get_st(bo->ttm) : obj->ttm.cached_io_st;
+	if (IS_ERR(st))
+		return PTR_ERR(st);
+
+	__i915_gem_object_set_pages(obj, st, i915_sg_dma_sizes(st->sgl));
+
+	i915_ttm_adjust_lru(obj);
+
+	return ret;
+}
+
+static void i915_ttm_put_pages(struct drm_i915_gem_object *obj,
+			       struct sg_table *st)
+{
+	/*
+	 * We're currently not called from a shrinker, so put_pages()
+	 * typically means the object is about to destroyed, or called
+	 * from move_notify(). So just avoid doing much for now.
+	 * If the object is not destroyed next, The TTM eviction logic
+	 * and shrinkers will move it out if needed.
+	 */
+
+	i915_ttm_adjust_lru(obj);
+}
+
+static void i915_ttm_adjust_lru(struct drm_i915_gem_object *obj)
+{
+	struct ttm_buffer_object *bo = i915_gem_to_ttm(obj);
+
+	/*
+	 * Don't manipulate the TTM LRUs while in TTM bo destruction.
+	 * We're called through i915_ttm_delete_mem_notify().
+	 */
+	if (!kref_read(&bo->kref))
+		return;
+
+	/*
+	 * Put on the correct LRU list depending on the MADV status
+	 */
+	spin_lock(&bo->bdev->lru_lock);
+	if (obj->mm.madv != I915_MADV_WILLNEED) {
+		bo->priority = I915_TTM_PRIO_PURGE;
+	} else if (!i915_gem_object_has_pages(obj)) {
+		if (bo->priority < I915_TTM_PRIO_HAS_PAGES)
+			bo->priority = I915_TTM_PRIO_HAS_PAGES;
+	} else {
+		if (bo->priority > I915_TTM_PRIO_NO_PAGES)
+			bo->priority = I915_TTM_PRIO_NO_PAGES;
+	}
+
+	ttm_bo_move_to_lru_tail(bo, bo->resource, NULL);
+	spin_unlock(&bo->bdev->lru_lock);
+}
+
+/*
+ * TTM-backed gem object destruction requires some clarification.
+ * Basically we have two possibilities here. We can either rely on the
+ * i915 delayed destruction and put the TTM object when the object
+ * is idle. This would be detected by TTM which would bypass the
+ * TTM delayed destroy handling. The other approach is to put the TTM
+ * object early and rely on the TTM destroyed handling, and then free
+ * the leftover parts of the GEM object once TTM's destroyed list handling is
+ * complete. For now, we rely on the latter for two reasons:
+ * a) TTM can evict an object even when it's on the delayed destroy list,
+ * which in theory allows for complete eviction.
+ * b) There is work going on in TTM to allow freeing an object even when
+ * it's not idle, and using the TTM destroyed list handling could help us
+ * benefit from that.
+ */
+static void i915_ttm_delayed_free(struct drm_i915_gem_object *obj)
+{
+	if (obj->ttm.created) {
+		ttm_bo_put(i915_gem_to_ttm(obj));
+	} else {
+		__i915_gem_free_object(obj);
+		call_rcu(&obj->rcu, __i915_gem_free_object_rcu);
+	}
+}
+
+static const struct drm_i915_gem_object_ops i915_gem_ttm_obj_ops = {
+	.name = "i915_gem_object_ttm",
+	.flags = I915_GEM_OBJECT_HAS_IOMEM,
+
+	.get_pages = i915_ttm_get_pages,
+	.put_pages = i915_ttm_put_pages,
+	.truncate = i915_ttm_purge,
+	.adjust_lru = i915_ttm_adjust_lru,
+	.delayed_free = i915_ttm_delayed_free,
+};
+
+void i915_ttm_bo_destroy(struct ttm_buffer_object *bo)
+{
+	struct drm_i915_gem_object *obj = i915_ttm_to_gem(bo);
+
+	i915_gem_object_release_memory_region(obj);
+	if (obj->ttm.created)
+		call_rcu(&obj->rcu, __i915_gem_free_object_rcu);
+}
+
+/**
+ * __i915_gem_ttm_object_init - Initialize a ttm-backed i915 gem object
+ * @mem: The initial memory region for the object.
+ * @obj: The gem object.
+ * @size: Object size in bytes.
+ * @flags: gem object flags.
+ *
+ * Return: 0 on success, negative error code on failure.
+ */
+int __i915_gem_ttm_object_init(struct intel_memory_region *mem,
+			       struct drm_i915_gem_object *obj,
+			       resource_size_t size,
+			       unsigned int flags)
+{
+	static struct lock_class_key lock_class;
+	struct drm_i915_private *i915 = mem->i915;
+	enum ttm_bo_type bo_type;
+	size_t alignment = 0;
+	int ret;
+
+	/* Adjust alignment to GPU- and CPU huge page sizes. */
+
+	if (mem->is_range_manager) {
+		if (size >= SZ_1G)
+			alignment = SZ_1G >> PAGE_SHIFT;
+		else if (size >= SZ_2M)
+			alignment = SZ_2M >> PAGE_SHIFT;
+		else if (size >= SZ_64K)
+			alignment = SZ_64K >> PAGE_SHIFT;
+	}
+
+	drm_gem_private_object_init(&i915->drm, &obj->base, size);
+	i915_gem_object_init(obj, &i915_gem_ttm_obj_ops, &lock_class, flags);
+	i915_gem_object_init_memory_region(obj, mem);
+	i915_gem_object_make_unshrinkable(obj);
+	obj->read_domains = I915_GEM_DOMAIN_WC | I915_GEM_DOMAIN_GTT;
+	i915_gem_object_set_cache_coherency(obj, I915_CACHE_NONE);
+
+	bo_type = (obj->flags & I915_BO_ALLOC_USER) ? ttm_bo_type_device :
+		ttm_bo_type_kernel;
+
+	/*
+	 * If this function fails, it will call the destructor, but
+	 * our caller still owns the object. So no freeing in the
+	 * destructor until obj->ttm.created is true.
+	 * Similarly, in delayed_destroy, we can't call ttm_bo_put()
+	 * until successful initialization.
+	 */
+	ret = ttm_bo_init(&i915->bdev, i915_gem_to_ttm(obj), size,
+			  bo_type, &i915_sys_placement, alignment,
+			  true, NULL, NULL, i915_ttm_bo_destroy);
+
+	if (!ret)
+		obj->ttm.created = true;
+
+	/* i915 wants -ENXIO when out of memory region space. */
+	return (ret == -ENOSPC) ? -ENXIO : ret;
+}
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.h b/drivers/gpu/drm/i915/gem/i915_gem_ttm.h
new file mode 100644
index 000000000000..b8d3dcbb50df
--- /dev/null
+++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.h
@@ -0,0 +1,48 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2021 Intel Corporation
+ */
+#ifndef _I915_GEM_TTM_H_
+#define _I915_GEM_TTM_H_
+
+#include "gem/i915_gem_object_types.h"
+
+/**
+ * i915_gem_to_ttm - Convert a struct drm_i915_gem_object to a
+ * struct ttm_buffer_object.
+ * @obj: Pointer to the gem object.
+ *
+ * Return: Pointer to the embedded struct ttm_buffer_object.
+ */
+static inline struct ttm_buffer_object *
+i915_gem_to_ttm(struct drm_i915_gem_object *obj)
+{
+	return &obj->__do_not_access;
+}
+
+/*
+ * i915 ttm gem object destructor. Internal use only.
+ */
+void i915_ttm_bo_destroy(struct ttm_buffer_object *bo);
+
+/**
+ * i915_ttm_to_gem - Convert a struct ttm_buffer_object to an embedding
+ * struct drm_i915_gem_object.
+ *
+ * Return: Pointer to the embedding struct ttm_buffer_object, or NULL
+ * if the object was not an i915 ttm object.
+ */
+static inline struct drm_i915_gem_object *
+i915_ttm_to_gem(struct ttm_buffer_object *bo)
+{
+	if (GEM_WARN_ON(bo->destroy != i915_ttm_bo_destroy))
+		return NULL;
+
+	return container_of(bo, struct drm_i915_gem_object, __do_not_access);
+}
+
+int __i915_gem_ttm_object_init(struct intel_memory_region *mem,
+			       struct drm_i915_gem_object *obj,
+			       resource_size_t size,
+			       unsigned int flags);
+#endif
diff --git a/drivers/gpu/drm/i915/gt/intel_region_lmem.c b/drivers/gpu/drm/i915/gt/intel_region_lmem.c
index f7366b054f8e..4ae1f717a94c 100644
--- a/drivers/gpu/drm/i915/gt/intel_region_lmem.c
+++ b/drivers/gpu/drm/i915/gt/intel_region_lmem.c
@@ -9,6 +9,7 @@
 #include "intel_region_ttm.h"
 #include "gem/i915_gem_lmem.h"
 #include "gem/i915_gem_region.h"
+#include "gem/i915_gem_ttm.h"
 #include "intel_region_lmem.h"
 
 static int init_fake_lmem_bar(struct intel_memory_region *mem)
@@ -107,7 +108,7 @@ region_lmem_init(struct intel_memory_region *mem)
 static const struct intel_memory_region_ops intel_region_lmem_ops = {
 	.init = region_lmem_init,
 	.release = region_lmem_release,
-	.init_object = __i915_gem_lmem_object_init,
+	.init_object = __i915_gem_ttm_object_init,
 };
 
 struct intel_memory_region *
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 589388dec48a..6a0a3f0e36e1 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1005,8 +1005,11 @@ i915_gem_madvise_ioctl(struct drm_device *dev, void *data,
 		}
 	}
 
-	if (obj->mm.madv != __I915_MADV_PURGED)
+	if (obj->mm.madv != __I915_MADV_PURGED) {
 		obj->mm.madv = args->madv;
+		if (obj->ops->adjust_lru)
+			obj->ops->adjust_lru(obj);
+	}
 
 	if (i915_gem_object_has_pages(obj)) {
 		unsigned long flags;
diff --git a/drivers/gpu/drm/i915/intel_memory_region.c b/drivers/gpu/drm/i915/intel_memory_region.c
index e6024eb7cca4..12fb5423fd5e 100644
--- a/drivers/gpu/drm/i915/intel_memory_region.c
+++ b/drivers/gpu/drm/i915/intel_memory_region.c
@@ -149,7 +149,6 @@ intel_memory_region_create(struct drm_i915_private *i915,
 
 	mutex_init(&mem->objects.lock);
 	INIT_LIST_HEAD(&mem->objects.list);
-	INIT_LIST_HEAD(&mem->objects.purgeable);
 	INIT_LIST_HEAD(&mem->reserved);
 
 	mutex_init(&mem->mm_lock);
diff --git a/drivers/gpu/drm/i915/intel_memory_region.h b/drivers/gpu/drm/i915/intel_memory_region.h
index 1f7dac63abb7..c7e635d62e1a 100644
--- a/drivers/gpu/drm/i915/intel_memory_region.h
+++ b/drivers/gpu/drm/i915/intel_memory_region.h
@@ -101,7 +101,6 @@ struct intel_memory_region {
 	struct {
 		struct mutex lock; /* Protects access to objects */
 		struct list_head list;
-		struct list_head purgeable;
 	} objects;
 
 	size_t chunk_size;
diff --git a/drivers/gpu/drm/i915/intel_region_ttm.c b/drivers/gpu/drm/i915/intel_region_ttm.c
index 82a6727ede46..27fe0668d094 100644
--- a/drivers/gpu/drm/i915/intel_region_ttm.c
+++ b/drivers/gpu/drm/i915/intel_region_ttm.c
@@ -11,6 +11,7 @@
 
 #include "intel_region_ttm.h"
 
+#include "gem/i915_gem_ttm.h" /* For the funcs/ops export only */
 /**
  * DOC: TTM support structure
  *
@@ -20,9 +21,6 @@
  * i915 GEM regions to TTM memory types and resource managers.
  */
 
-/* A Zero-initialized driver for now. We don't have a TTM backend yet. */
-static struct ttm_device_funcs i915_ttm_bo_driver;
-
 /**
  * intel_region_ttm_device_init - Initialize a TTM device
  * @dev_priv: Pointer to an i915 device private structure.
@@ -33,7 +31,7 @@ int intel_region_ttm_device_init(struct drm_i915_private *dev_priv)
 {
 	struct drm_device *drm = &dev_priv->drm;
 
-	return ttm_device_init(&dev_priv->bdev, &i915_ttm_bo_driver,
+	return ttm_device_init(&dev_priv->bdev, i915_ttm_driver(),
 			       drm->dev, drm->anon_inode->i_mapping,
 			       drm->vma_offset_manager, false, false);
 }
@@ -177,6 +175,7 @@ struct sg_table *intel_region_ttm_node_to_st(struct intel_memory_region *mem,
 				    mem->region.start);
 }
 
+#ifdef CONFIG_DRM_I915_SELFTEST
 /**
  * intel_region_ttm_node_alloc - Allocate memory resources from a region
  * @mem: The memory region,
@@ -224,3 +223,4 @@ intel_region_ttm_node_alloc(struct intel_memory_region *mem,
 		ret = -ENXIO;
 	return ret ? ERR_PTR(ret) : res;
 }
+#endif
diff --git a/drivers/gpu/drm/i915/intel_region_ttm.h b/drivers/gpu/drm/i915/intel_region_ttm.h
index 11b0574ab791..e8cf830fda6f 100644
--- a/drivers/gpu/drm/i915/intel_region_ttm.h
+++ b/drivers/gpu/drm/i915/intel_region_ttm.h
@@ -12,6 +12,7 @@
 struct drm_i915_private;
 struct intel_memory_region;
 struct ttm_resource;
+struct ttm_device_funcs;
 
 int intel_region_ttm_device_init(struct drm_i915_private *dev_priv);
 
@@ -24,11 +25,15 @@ void intel_region_ttm_fini(struct intel_memory_region *mem);
 struct sg_table *intel_region_ttm_node_to_st(struct intel_memory_region *mem,
 					     struct ttm_resource *res);
 
+void intel_region_ttm_node_free(struct intel_memory_region *mem,
+				struct ttm_resource *node);
+
+struct ttm_device_funcs *i915_ttm_driver(void);
+
+#ifdef CONFIG_DRM_I915_SELFTEST
 struct ttm_resource *
 intel_region_ttm_node_alloc(struct intel_memory_region *mem,
 			    resource_size_t size,
 			    unsigned int flags);
-
-void intel_region_ttm_node_free(struct intel_memory_region *mem,
-				struct ttm_resource *node);
+#endif
 #endif /* _INTEL_REGION_TTM_H_ */
-- 
2.31.1

[Intel-gfx] [PATCH v11 1/4] drm/i915/ttm: Introduce a TTM i915 gem object backend

[Thomas Hellström]

Most logical place to introduce TTM buffer objects is as an i915
gem object backend. We need to add some ops to account for added
functionality like delayed delete and LRU list manipulation.

Initially we support only LMEM and SYSTEM memory, but SYSTEM
(which in this case means evicted LMEM objects) is not
visible to i915 GEM yet. The plan is to move the i915 gem system region
over to the TTM system memory type in upcoming patches.

We set up GPU bindings directly both from LMEM and from the system region,
as there is no need to use the legacy TTM_TT memory type. We reserve
that for future porting of GGTT bindings to TTM.

Remove the old lmem backend.

Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
---
v2:
- Break out needed TTM functionality to a separate patch (Reported by
Christian König).
- Fix an unhandled error (Reported by Matthew Auld and Maarten Lankhorst)
- Remove a stray leftover sg_table allocation (Reported by Matthew Auld)
- Use ttm_tt_unpopulate() rather than ttm_tt_destroy() in the purge path
  as some TTM functionality relies on having a ttm_tt present for !is_iomem.
v3:
- Use ttm_bo_type_device for userspace visible objects so that TTM can
  allocate an address space offset for mmap'ing.
- Fix up the destruction path (Reported by Matthew Auld)
- Use ttm_bo_validate() for purging (Reported by Christian König)
- Create ttm_tts write-combined as they are currently for eviction only and
  we want to maintain consistent write-combined caching for bos that are
  not in system only. (Suggested by Daniel Vetter)
- Make struct ttm_placements static.
- Add the ttm device funcs/ops to i915_gem_ttm.h for the region code.
- Rename new->dst and old->src. Check for swapin in the move callback.
v4:
- Adapt to small interface change in ttm_move_memcpy.
- Use a function to pull out the ttm driver from the backend.
v6:
- Remove the ttm device verify_access assignment. The member is gone
  upstream.
---
 drivers/gpu/drm/i915/Makefile                 |   1 +
 drivers/gpu/drm/i915/gem/i915_gem_create.c    |   9 +-
 drivers/gpu/drm/i915/gem/i915_gem_lmem.c      |  84 ---
 drivers/gpu/drm/i915/gem/i915_gem_lmem.h      |   5 -
 drivers/gpu/drm/i915/gem/i915_gem_object.c    | 125 ++--
 drivers/gpu/drm/i915/gem/i915_gem_object.h    |   9 +
 .../gpu/drm/i915/gem/i915_gem_object_types.h  |  27 +-
 drivers/gpu/drm/i915/gem/i915_gem_region.c    |   6 +-
 drivers/gpu/drm/i915/gem/i915_gem_ttm.c       | 540 ++++++++++++++++++
 drivers/gpu/drm/i915/gem/i915_gem_ttm.h       |  48 ++
 drivers/gpu/drm/i915/gt/intel_region_lmem.c   |   3 +-
 drivers/gpu/drm/i915/i915_gem.c               |   5 +-
 drivers/gpu/drm/i915/intel_memory_region.c    |   1 -
 drivers/gpu/drm/i915/intel_memory_region.h    |   1 -
 drivers/gpu/drm/i915/intel_region_ttm.c       |   8 +-
 drivers/gpu/drm/i915/intel_region_ttm.h       |  11 +-
 16 files changed, 730 insertions(+), 153 deletions(-)
 create mode 100644 drivers/gpu/drm/i915/gem/i915_gem_ttm.c
 create mode 100644 drivers/gpu/drm/i915/gem/i915_gem_ttm.h

diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index 4f22cac1c49b..f57dfc74d6ce 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -155,6 +155,7 @@ gem-y += \
 	gem/i915_gem_stolen.o \
 	gem/i915_gem_throttle.o \
 	gem/i915_gem_tiling.o \
+	gem/i915_gem_ttm.o \
 	gem/i915_gem_userptr.o \
 	gem/i915_gem_wait.o \
 	gem/i915_gemfs.o
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_create.c b/drivers/gpu/drm/i915/gem/i915_gem_create.c
index 548ddf39d853..93bf63bbaff1 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_create.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_create.c
@@ -85,13 +85,10 @@ i915_gem_setup(struct drm_i915_gem_object *obj, u64 size)
 		return -E2BIG;
 
 	/*
-	 * For now resort to CPU based clearing for device local-memory, in the
-	 * near future this will use the blitter engine for accelerated, GPU
-	 * based clearing.
+	 * I915_BO_ALLOC_USER will make sure the object is cleared before
+	 * any user access.
 	 */
-	flags = 0;
-	if (mr->type == INTEL_MEMORY_LOCAL)
-		flags = I915_BO_ALLOC_CPU_CLEAR;
+	flags = I915_BO_ALLOC_USER;
 
 	ret = mr->ops->init_object(mr, obj, size, flags);
 	if (ret)
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_lmem.c b/drivers/gpu/drm/i915/gem/i915_gem_lmem.c
index 3b4aa28a076d..2b8cd15de1d9 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_lmem.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_lmem.c
@@ -4,74 +4,10 @@
  */
 
 #include "intel_memory_region.h"
-#include "intel_region_ttm.h"
 #include "gem/i915_gem_region.h"
 #include "gem/i915_gem_lmem.h"
 #include "i915_drv.h"
 
-static void lmem_put_pages(struct drm_i915_gem_object *obj,
-			   struct sg_table *pages)
-{
-	intel_region_ttm_node_free(obj->mm.region, obj->mm.st_mm_node);
-	obj->mm.dirty = false;
-	sg_free_table(pages);
-	kfree(pages);
-}
-
-static int lmem_get_pages(struct drm_i915_gem_object *obj)
-{
-	unsigned int flags;
-	struct sg_table *pages;
-
-	flags = I915_ALLOC_MIN_PAGE_SIZE;
-	if (obj->flags & I915_BO_ALLOC_CONTIGUOUS)
-		flags |= I915_ALLOC_CONTIGUOUS;
-
-	obj->mm.st_mm_node = intel_region_ttm_node_alloc(obj->mm.region,
-							 obj->base.size,
-							 flags);
-	if (IS_ERR(obj->mm.st_mm_node))
-		return PTR_ERR(obj->mm.st_mm_node);
-
-	/* Range manager is always contigous */
-	if (obj->mm.region->is_range_manager)
-		obj->flags |= I915_BO_ALLOC_CONTIGUOUS;
-	pages = intel_region_ttm_node_to_st(obj->mm.region, obj->mm.st_mm_node);
-	if (IS_ERR(pages)) {
-		intel_region_ttm_node_free(obj->mm.region, obj->mm.st_mm_node);
-		return PTR_ERR(pages);
-	}
-
-	__i915_gem_object_set_pages(obj, pages, i915_sg_dma_sizes(pages->sgl));
-
-	if (obj->flags & I915_BO_ALLOC_CPU_CLEAR) {
-		void __iomem *vaddr =
-			i915_gem_object_lmem_io_map(obj, 0, obj->base.size);
-
-		if (!vaddr) {
-			struct sg_table *pages =
-				__i915_gem_object_unset_pages(obj);
-
-			if (!IS_ERR_OR_NULL(pages))
-				lmem_put_pages(obj, pages);
-		}
-
-		memset_io(vaddr, 0, obj->base.size);
-		io_mapping_unmap(vaddr);
-	}
-
-	return 0;
-}
-
-const struct drm_i915_gem_object_ops i915_gem_lmem_obj_ops = {
-	.name = "i915_gem_object_lmem",
-	.flags = I915_GEM_OBJECT_HAS_IOMEM,
-
-	.get_pages = lmem_get_pages,
-	.put_pages = lmem_put_pages,
-	.release = i915_gem_object_release_memory_region,
-};
-
 void __iomem *
 i915_gem_object_lmem_io_map(struct drm_i915_gem_object *obj,
 			    unsigned long n,
@@ -103,23 +39,3 @@ i915_gem_object_create_lmem(struct drm_i915_private *i915,
 	return i915_gem_object_create_region(i915->mm.regions[INTEL_REGION_LMEM],
 					     size, flags);
 }
-
-int __i915_gem_lmem_object_init(struct intel_memory_region *mem,
-				struct drm_i915_gem_object *obj,
-				resource_size_t size,
-				unsigned int flags)
-{
-	static struct lock_class_key lock_class;
-	struct drm_i915_private *i915 = mem->i915;
-
-	drm_gem_private_object_init(&i915->drm, &obj->base, size);
-	i915_gem_object_init(obj, &i915_gem_lmem_obj_ops, &lock_class, flags);
-
-	obj->read_domains = I915_GEM_DOMAIN_WC | I915_GEM_DOMAIN_GTT;
-
-	i915_gem_object_set_cache_coherency(obj, I915_CACHE_NONE);
-
-	i915_gem_object_init_memory_region(obj, mem);
-
-	return 0;
-}
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_lmem.h b/drivers/gpu/drm/i915/gem/i915_gem_lmem.h
index fac6bc5a5ebb..ea76fd11ccb0 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_lmem.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_lmem.h
@@ -26,9 +26,4 @@ i915_gem_object_create_lmem(struct drm_i915_private *i915,
 			    resource_size_t size,
 			    unsigned int flags);
 
-int __i915_gem_lmem_object_init(struct intel_memory_region *mem,
-				struct drm_i915_gem_object *obj,
-				resource_size_t size,
-				unsigned int flags);
-
 #endif /* !__I915_GEM_LMEM_H */
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c
index 5706d471692d..16eac5ea9238 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c
@@ -172,7 +172,7 @@ static void i915_gem_close_object(struct drm_gem_object *gem, struct drm_file *f
 	}
 }
 
-static void __i915_gem_free_object_rcu(struct rcu_head *head)
+void __i915_gem_free_object_rcu(struct rcu_head *head)
 {
 	struct drm_i915_gem_object *obj =
 		container_of(head, typeof(*obj), rcu);
@@ -208,59 +208,69 @@ static void __i915_gem_object_free_mmaps(struct drm_i915_gem_object *obj)
 	}
 }
 
-static void __i915_gem_free_objects(struct drm_i915_private *i915,
-				    struct llist_node *freed)
+void __i915_gem_free_object(struct drm_i915_gem_object *obj)
 {
-	struct drm_i915_gem_object *obj, *on;
+	trace_i915_gem_object_destroy(obj);
 
-	llist_for_each_entry_safe(obj, on, freed, freed) {
-		trace_i915_gem_object_destroy(obj);
+	if (!list_empty(&obj->vma.list)) {
+		struct i915_vma *vma;
+
+		/*
+		 * Note that the vma keeps an object reference while
+		 * it is active, so it *should* not sleep while we
+		 * destroy it. Our debug code errs insits it *might*.
+		 * For the moment, play along.
+		 */
+		spin_lock(&obj->vma.lock);
+		while ((vma = list_first_entry_or_null(&obj->vma.list,
+						       struct i915_vma,
+						       obj_link))) {
+			GEM_BUG_ON(vma->obj != obj);
+			spin_unlock(&obj->vma.lock);
 
-		if (!list_empty(&obj->vma.list)) {
-			struct i915_vma *vma;
+			__i915_vma_put(vma);
 
-			/*
-			 * Note that the vma keeps an object reference while
-			 * it is active, so it *should* not sleep while we
-			 * destroy it. Our debug code errs insits it *might*.
-			 * For the moment, play along.
-			 */
 			spin_lock(&obj->vma.lock);
-			while ((vma = list_first_entry_or_null(&obj->vma.list,
-							       struct i915_vma,
-							       obj_link))) {
-				GEM_BUG_ON(vma->obj != obj);
-				spin_unlock(&obj->vma.lock);
+		}
+		spin_unlock(&obj->vma.lock);
+	}
 
-				__i915_vma_put(vma);
+	__i915_gem_object_free_mmaps(obj);
 
-				spin_lock(&obj->vma.lock);
-			}
-			spin_unlock(&obj->vma.lock);
-		}
+	GEM_BUG_ON(!list_empty(&obj->lut_list));
 
-		__i915_gem_object_free_mmaps(obj);
+	atomic_set(&obj->mm.pages_pin_count, 0);
+	__i915_gem_object_put_pages(obj);
+	GEM_BUG_ON(i915_gem_object_has_pages(obj));
+	bitmap_free(obj->bit_17);
 
-		GEM_BUG_ON(!list_empty(&obj->lut_list));
+	if (obj->base.import_attach)
+		drm_prime_gem_destroy(&obj->base, NULL);
 
-		atomic_set(&obj->mm.pages_pin_count, 0);
-		__i915_gem_object_put_pages(obj);
-		GEM_BUG_ON(i915_gem_object_has_pages(obj));
-		bitmap_free(obj->bit_17);
+	drm_gem_free_mmap_offset(&obj->base);
 
-		if (obj->base.import_attach)
-			drm_prime_gem_destroy(&obj->base, NULL);
+	if (obj->ops->release)
+		obj->ops->release(obj);
 
-		drm_gem_free_mmap_offset(&obj->base);
+	if (obj->mm.n_placements > 1)
+		kfree(obj->mm.placements);
 
-		if (obj->ops->release)
-			obj->ops->release(obj);
+	if (obj->shares_resv_from)
+		i915_vm_resv_put(obj->shares_resv_from);
+}
 
-		if (obj->mm.n_placements > 1)
-			kfree(obj->mm.placements);
+static void __i915_gem_free_objects(struct drm_i915_private *i915,
+				    struct llist_node *freed)
+{
+	struct drm_i915_gem_object *obj, *on;
 
-		if (obj->shares_resv_from)
-			i915_vm_resv_put(obj->shares_resv_from);
+	llist_for_each_entry_safe(obj, on, freed, freed) {
+		might_sleep();
+		if (obj->ops->delayed_free) {
+			obj->ops->delayed_free(obj);
+			continue;
+		}
+		__i915_gem_free_object(obj);
 
 		/* But keep the pointer alive for RCU-protected lookups */
 		call_rcu(&obj->rcu, __i915_gem_free_object_rcu);
@@ -318,6 +328,7 @@ static void i915_gem_free_object(struct drm_gem_object *gem_obj)
 	 * worker and performing frees directly from subsequent allocations for
 	 * crude but effective memory throttling.
 	 */
+
 	if (llist_add(&obj->freed, &i915->mm.free_list))
 		queue_work(i915->wq, &i915->mm.free_work);
 }
@@ -410,6 +421,42 @@ int i915_gem_object_read_from_page(struct drm_i915_gem_object *obj, u64 offset,
 	return 0;
 }
 
+/**
+ * i915_gem_object_evictable - Whether object is likely evictable after unbind.
+ * @obj: The object to check
+ *
+ * This function checks whether the object is likely unvictable after unbind.
+ * If the object is not locked when checking, the result is only advisory.
+ * If the object is locked when checking, and the function returns true,
+ * then an eviction should indeed be possible. But since unlocked vma
+ * unpinning and unbinding is currently possible, the object can actually
+ * become evictable even if this function returns false.
+ *
+ * Return: true if the object may be evictable. False otherwise.
+ */
+bool i915_gem_object_evictable(struct drm_i915_gem_object *obj)
+{
+	struct i915_vma *vma;
+	int pin_count = atomic_read(&obj->mm.pages_pin_count);
+
+	if (!pin_count)
+		return true;
+
+	spin_lock(&obj->vma.lock);
+	list_for_each_entry(vma, &obj->vma.list, obj_link) {
+		if (i915_vma_is_pinned(vma)) {
+			spin_unlock(&obj->vma.lock);
+			return false;
+		}
+		if (atomic_read(&vma->pages_count))
+			pin_count--;
+	}
+	spin_unlock(&obj->vma.lock);
+	GEM_WARN_ON(pin_count < 0);
+
+	return pin_count == 0;
+}
+
 void i915_gem_init__objects(struct drm_i915_private *i915)
 {
 	INIT_WORK(&i915->mm.free_work, __i915_gem_free_work);
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.h b/drivers/gpu/drm/i915/gem/i915_gem_object.h
index 7c0eb425cb3b..5ae32ea99ee5 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.h
@@ -200,6 +200,9 @@ static inline bool i915_gem_object_trylock(struct drm_i915_gem_object *obj)
 
 static inline void i915_gem_object_unlock(struct drm_i915_gem_object *obj)
 {
+	if (obj->ops->adjust_lru)
+		obj->ops->adjust_lru(obj);
+
 	dma_resv_unlock(obj->base.resv);
 }
 
@@ -587,6 +590,12 @@ int i915_gem_object_read_from_page(struct drm_i915_gem_object *obj, u64 offset,
 
 bool i915_gem_object_is_shmem(const struct drm_i915_gem_object *obj);
 
+void __i915_gem_free_object_rcu(struct rcu_head *head);
+
+void __i915_gem_free_object(struct drm_i915_gem_object *obj);
+
+bool i915_gem_object_evictable(struct drm_i915_gem_object *obj);
+
 #ifdef CONFIG_MMU_NOTIFIER
 static inline bool
 i915_gem_object_is_userptr(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 d047ea126029..68313474e6a6 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h
@@ -63,6 +63,20 @@ struct drm_i915_gem_object_ops {
 		      const struct drm_i915_gem_pwrite *arg);
 
 	int (*dmabuf_export)(struct drm_i915_gem_object *obj);
+
+	/**
+	 * adjust_lru - notify that the madvise value was updated
+	 * @obj: The gem object
+	 *
+	 * The madvise value may have been updated, or object was recently
+	 * referenced so act accordingly (Perhaps changing an LRU list etc).
+	 */
+	void (*adjust_lru)(struct drm_i915_gem_object *obj);
+
+	/**
+	 * delayed_free - Override the default delayed free implementation
+	 */
+	void (*delayed_free)(struct drm_i915_gem_object *obj);
 	void (*release)(struct drm_i915_gem_object *obj);
 
 	const char *name; /* friendly name for debug, e.g. lockdep classes */
@@ -187,12 +201,14 @@ struct drm_i915_gem_object {
 #define I915_BO_ALLOC_VOLATILE   BIT(1)
 #define I915_BO_ALLOC_STRUCT_PAGE BIT(2)
 #define I915_BO_ALLOC_CPU_CLEAR  BIT(3)
+#define I915_BO_ALLOC_USER       BIT(4)
 #define I915_BO_ALLOC_FLAGS (I915_BO_ALLOC_CONTIGUOUS | \
 			     I915_BO_ALLOC_VOLATILE | \
 			     I915_BO_ALLOC_STRUCT_PAGE | \
-			     I915_BO_ALLOC_CPU_CLEAR)
-#define I915_BO_READONLY         BIT(4)
-#define I915_TILING_QUIRK_BIT    5 /* unknown swizzling; do not release! */
+			     I915_BO_ALLOC_CPU_CLEAR | \
+			     I915_BO_ALLOC_USER)
+#define I915_BO_READONLY         BIT(5)
+#define I915_TILING_QUIRK_BIT    6 /* unknown swizzling; do not release! */
 
 	/*
 	 * Is the object to be mapped as read-only to the GPU
@@ -310,6 +326,11 @@ struct drm_i915_gem_object {
 		bool dirty:1;
 	} mm;
 
+	struct {
+		struct sg_table *cached_io_st;
+		bool created:1;
+	} ttm;
+
 	/** Record of address bit 17 of each page at last unbind. */
 	unsigned long *bit_17;
 
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_region.c b/drivers/gpu/drm/i915/gem/i915_gem_region.c
index f25e6646c5b7..d1f1840540dd 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_region.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_region.c
@@ -18,11 +18,7 @@ void i915_gem_object_init_memory_region(struct drm_i915_gem_object *obj,
 
 	mutex_lock(&mem->objects.lock);
 
-	if (obj->flags & I915_BO_ALLOC_VOLATILE)
-		list_add(&obj->mm.region_link, &mem->objects.purgeable);
-	else
-		list_add(&obj->mm.region_link, &mem->objects.list);
-
+	list_add(&obj->mm.region_link, &mem->objects.list);
 	mutex_unlock(&mem->objects.lock);
 }
 
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
new file mode 100644
index 000000000000..2695b8c37e13
--- /dev/null
+++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
@@ -0,0 +1,540 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2021 Intel Corporation
+ */
+
+#include <drm/ttm/ttm_bo_driver.h>
+#include <drm/ttm/ttm_placement.h>
+
+#include "i915_drv.h"
+#include "intel_memory_region.h"
+#include "intel_region_ttm.h"
+
+#include "gem/i915_gem_object.h"
+#include "gem/i915_gem_region.h"
+#include "gem/i915_gem_ttm.h"
+
+#define I915_PL_LMEM0 TTM_PL_PRIV
+#define I915_PL_SYSTEM TTM_PL_SYSTEM
+#define I915_PL_STOLEN TTM_PL_VRAM
+#define I915_PL_GGTT TTM_PL_TT
+
+#define I915_TTM_PRIO_PURGE     0
+#define I915_TTM_PRIO_NO_PAGES  1
+#define I915_TTM_PRIO_HAS_PAGES 2
+
+/**
+ * struct i915_ttm_tt - TTM page vector with additional private information
+ * @ttm: The base TTM page vector.
+ * @dev: The struct device used for dma mapping and unmapping.
+ * @cached_st: The cached scatter-gather table.
+ *
+ * Note that DMA may be going on right up to the point where the page-
+ * vector is unpopulated in delayed destroy. Hence keep the
+ * scatter-gather table mapped and cached up to that point. This is
+ * different from the cached gem object io scatter-gather table which
+ * doesn't have an associated dma mapping.
+ */
+struct i915_ttm_tt {
+	struct ttm_tt ttm;
+	struct device *dev;
+	struct sg_table *cached_st;
+};
+
+static const struct ttm_place lmem0_sys_placement_flags[] = {
+	{
+		.fpfn = 0,
+		.lpfn = 0,
+		.mem_type = I915_PL_LMEM0,
+		.flags = 0,
+	}, {
+		.fpfn = 0,
+		.lpfn = 0,
+		.mem_type = I915_PL_SYSTEM,
+		.flags = 0,
+	}
+};
+
+static struct ttm_placement i915_lmem0_placement = {
+	.num_placement = 1,
+	.placement = &lmem0_sys_placement_flags[0],
+	.num_busy_placement = 1,
+	.busy_placement = &lmem0_sys_placement_flags[0],
+};
+
+static struct ttm_placement i915_sys_placement = {
+	.num_placement = 1,
+	.placement = &lmem0_sys_placement_flags[1],
+	.num_busy_placement = 1,
+	.busy_placement = &lmem0_sys_placement_flags[1],
+};
+
+static void i915_ttm_adjust_lru(struct drm_i915_gem_object *obj);
+
+static struct ttm_tt *i915_ttm_tt_create(struct ttm_buffer_object *bo,
+					 uint32_t page_flags)
+{
+	struct ttm_resource_manager *man =
+		ttm_manager_type(bo->bdev, bo->resource->mem_type);
+	struct drm_i915_gem_object *obj = i915_ttm_to_gem(bo);
+	struct i915_ttm_tt *i915_tt;
+	int ret;
+
+	i915_tt = kzalloc(sizeof(*i915_tt), GFP_KERNEL);
+	if (!i915_tt)
+		return NULL;
+
+	if (obj->flags & I915_BO_ALLOC_CPU_CLEAR &&
+	    man->use_tt)
+		page_flags |= TTM_PAGE_FLAG_ZERO_ALLOC;
+
+	ret = ttm_tt_init(&i915_tt->ttm, bo, page_flags, ttm_write_combined);
+	if (ret) {
+		kfree(i915_tt);
+		return NULL;
+	}
+
+	i915_tt->dev = obj->base.dev->dev;
+
+	return &i915_tt->ttm;
+}
+
+static void i915_ttm_tt_unpopulate(struct ttm_device *bdev, struct ttm_tt *ttm)
+{
+	struct i915_ttm_tt *i915_tt = container_of(ttm, typeof(*i915_tt), ttm);
+
+	if (i915_tt->cached_st) {
+		dma_unmap_sgtable(i915_tt->dev, i915_tt->cached_st,
+				  DMA_BIDIRECTIONAL, 0);
+		sg_free_table(i915_tt->cached_st);
+		kfree(i915_tt->cached_st);
+		i915_tt->cached_st = NULL;
+	}
+	ttm_pool_free(&bdev->pool, ttm);
+}
+
+static void i915_ttm_tt_destroy(struct ttm_device *bdev, struct ttm_tt *ttm)
+{
+	struct i915_ttm_tt *i915_tt = container_of(ttm, typeof(*i915_tt), ttm);
+
+	ttm_tt_destroy_common(bdev, ttm);
+	kfree(i915_tt);
+}
+
+static bool i915_ttm_eviction_valuable(struct ttm_buffer_object *bo,
+				       const struct ttm_place *place)
+{
+	struct drm_i915_gem_object *obj = i915_ttm_to_gem(bo);
+
+	/* Will do for now. Our pinned objects are still on TTM's LRU lists */
+	if (!i915_gem_object_evictable(obj))
+		return false;
+
+	/* This isn't valid with a buddy allocator */
+	return ttm_bo_eviction_valuable(bo, place);
+}
+
+static void i915_ttm_evict_flags(struct ttm_buffer_object *bo,
+				 struct ttm_placement *placement)
+{
+	*placement = i915_sys_placement;
+}
+
+static int i915_ttm_move_notify(struct ttm_buffer_object *bo)
+{
+	struct drm_i915_gem_object *obj = i915_ttm_to_gem(bo);
+	int ret;
+
+	ret = i915_gem_object_unbind(obj, I915_GEM_OBJECT_UNBIND_ACTIVE);
+	if (ret)
+		return ret;
+
+	ret = __i915_gem_object_put_pages(obj);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static void i915_ttm_free_cached_io_st(struct drm_i915_gem_object *obj)
+{
+	if (obj->ttm.cached_io_st) {
+		sg_free_table(obj->ttm.cached_io_st);
+		kfree(obj->ttm.cached_io_st);
+		obj->ttm.cached_io_st = NULL;
+	}
+}
+
+static void i915_ttm_purge(struct drm_i915_gem_object *obj)
+{
+	struct ttm_buffer_object *bo = i915_gem_to_ttm(obj);
+	struct ttm_operation_ctx ctx = {
+		.interruptible = true,
+		.no_wait_gpu = false,
+	};
+	struct ttm_placement place = {};
+	int ret;
+
+	if (obj->mm.madv == __I915_MADV_PURGED)
+		return;
+
+	/* TTM's purge interface. Note that we might be reentering. */
+	ret = ttm_bo_validate(bo, &place, &ctx);
+
+	if (!ret) {
+		i915_ttm_free_cached_io_st(obj);
+		obj->mm.madv = __I915_MADV_PURGED;
+	}
+}
+
+static void i915_ttm_swap_notify(struct ttm_buffer_object *bo)
+{
+	struct drm_i915_gem_object *obj = i915_ttm_to_gem(bo);
+	int ret = i915_ttm_move_notify(bo);
+
+	GEM_WARN_ON(ret);
+	GEM_WARN_ON(obj->ttm.cached_io_st);
+	if (!ret && obj->mm.madv != I915_MADV_WILLNEED)
+		i915_ttm_purge(obj);
+}
+
+static void i915_ttm_delete_mem_notify(struct ttm_buffer_object *bo)
+{
+	struct drm_i915_gem_object *obj = i915_ttm_to_gem(bo);
+
+	if (likely(obj)) {
+		/* This releases all gem object bindings to the backend. */
+		__i915_gem_free_object(obj);
+	}
+}
+
+static struct intel_memory_region *
+i915_ttm_region(struct ttm_device *bdev, int ttm_mem_type)
+{
+	struct drm_i915_private *i915 = container_of(bdev, typeof(*i915), bdev);
+
+	/* There's some room for optimization here... */
+	GEM_BUG_ON(ttm_mem_type != I915_PL_SYSTEM &&
+		   ttm_mem_type < I915_PL_LMEM0);
+	if (ttm_mem_type == I915_PL_SYSTEM)
+		return intel_memory_region_lookup(i915, INTEL_MEMORY_SYSTEM,
+						  0);
+
+	return intel_memory_region_lookup(i915, INTEL_MEMORY_LOCAL,
+					  ttm_mem_type - I915_PL_LMEM0);
+}
+
+static struct sg_table *i915_ttm_tt_get_st(struct ttm_tt *ttm)
+{
+	struct i915_ttm_tt *i915_tt = container_of(ttm, typeof(*i915_tt), ttm);
+	struct scatterlist *sg;
+	struct sg_table *st;
+	int ret;
+
+	if (i915_tt->cached_st)
+		return i915_tt->cached_st;
+
+	st = kzalloc(sizeof(*st), GFP_KERNEL);
+	if (!st)
+		return ERR_PTR(-ENOMEM);
+
+	sg = __sg_alloc_table_from_pages
+		(st, ttm->pages, ttm->num_pages, 0,
+		 (unsigned long)ttm->num_pages << PAGE_SHIFT,
+		 i915_sg_segment_size(), NULL, 0, GFP_KERNEL);
+	if (IS_ERR(sg)) {
+		kfree(st);
+		return ERR_CAST(sg);
+	}
+
+	ret = dma_map_sgtable(i915_tt->dev, st, DMA_BIDIRECTIONAL, 0);
+	if (ret) {
+		sg_free_table(st);
+		kfree(st);
+		return ERR_PTR(ret);
+	}
+
+	i915_tt->cached_st = st;
+	return st;
+}
+
+static struct sg_table *
+i915_ttm_resource_get_st(struct drm_i915_gem_object *obj,
+			 struct ttm_resource *res)
+{
+	struct ttm_buffer_object *bo = i915_gem_to_ttm(obj);
+	struct ttm_resource_manager *man =
+		ttm_manager_type(bo->bdev, res->mem_type);
+
+	if (man->use_tt)
+		return i915_ttm_tt_get_st(bo->ttm);
+
+	return intel_region_ttm_node_to_st(obj->mm.region, res);
+}
+
+static int i915_ttm_move(struct ttm_buffer_object *bo, bool evict,
+			 struct ttm_operation_ctx *ctx,
+			 struct ttm_resource *dst_mem,
+			 struct ttm_place *hop)
+{
+	struct drm_i915_gem_object *obj = i915_ttm_to_gem(bo);
+	struct ttm_resource_manager *dst_man =
+		ttm_manager_type(bo->bdev, dst_mem->mem_type);
+	struct ttm_resource_manager *src_man =
+		ttm_manager_type(bo->bdev, bo->resource->mem_type);
+	struct intel_memory_region *dst_reg, *src_reg;
+	union {
+		struct ttm_kmap_iter_tt tt;
+		struct ttm_kmap_iter_iomap io;
+	} _dst_iter, _src_iter;
+	struct ttm_kmap_iter *dst_iter, *src_iter;
+	struct sg_table *dst_st;
+	int ret;
+
+	dst_reg = i915_ttm_region(bo->bdev, dst_mem->mem_type);
+	src_reg = i915_ttm_region(bo->bdev, bo->resource->mem_type);
+	GEM_BUG_ON(!dst_reg || !src_reg);
+
+	/* Sync for now. We could do the actual copy async. */
+	ret = ttm_bo_wait_ctx(bo, ctx);
+	if (ret)
+		return ret;
+
+	ret = i915_ttm_move_notify(bo);
+	if (ret)
+		return ret;
+
+	if (obj->mm.madv != I915_MADV_WILLNEED) {
+		i915_ttm_purge(obj);
+		ttm_resource_free(bo, &dst_mem);
+		return 0;
+	}
+
+	/* Populate ttm with pages if needed. Typically system memory. */
+	if (bo->ttm && (dst_man->use_tt ||
+			(bo->ttm->page_flags & TTM_PAGE_FLAG_SWAPPED))) {
+		ret = ttm_tt_populate(bo->bdev, bo->ttm, ctx);
+		if (ret)
+			return ret;
+	}
+
+	dst_st = i915_ttm_resource_get_st(obj, dst_mem);
+	if (IS_ERR(dst_st))
+		return PTR_ERR(dst_st);
+
+	/* If we start mapping GGTT, we can no longer use man::use_tt here. */
+	dst_iter = dst_man->use_tt ?
+		ttm_kmap_iter_tt_init(&_dst_iter.tt, bo->ttm) :
+		ttm_kmap_iter_iomap_init(&_dst_iter.io, &dst_reg->iomap,
+					 dst_st, dst_reg->region.start);
+
+	src_iter = src_man->use_tt ?
+		ttm_kmap_iter_tt_init(&_src_iter.tt, bo->ttm) :
+		ttm_kmap_iter_iomap_init(&_src_iter.io, &src_reg->iomap,
+					 obj->ttm.cached_io_st,
+					 src_reg->region.start);
+
+	ttm_move_memcpy(bo, dst_mem->num_pages, dst_iter, src_iter);
+	ttm_bo_move_sync_cleanup(bo, dst_mem);
+	i915_ttm_free_cached_io_st(obj);
+
+	if (!dst_man->use_tt)
+		obj->ttm.cached_io_st = dst_st;
+
+	return 0;
+}
+
+static struct ttm_device_funcs i915_ttm_bo_driver = {
+	.ttm_tt_create = i915_ttm_tt_create,
+	.ttm_tt_unpopulate = i915_ttm_tt_unpopulate,
+	.ttm_tt_destroy = i915_ttm_tt_destroy,
+	.eviction_valuable = i915_ttm_eviction_valuable,
+	.evict_flags = i915_ttm_evict_flags,
+	.move = i915_ttm_move,
+	.swap_notify = i915_ttm_swap_notify,
+	.delete_mem_notify = i915_ttm_delete_mem_notify,
+};
+
+/**
+ * i915_ttm_driver - Return a pointer to the TTM device funcs
+ *
+ * Return: Pointer to statically allocated TTM device funcs.
+ */
+struct ttm_device_funcs *i915_ttm_driver(void)
+{
+	return &i915_ttm_bo_driver;
+}
+
+static int i915_ttm_get_pages(struct drm_i915_gem_object *obj)
+{
+	struct ttm_buffer_object *bo = i915_gem_to_ttm(obj);
+	struct ttm_operation_ctx ctx = {
+		.interruptible = true,
+		.no_wait_gpu = false,
+	};
+	struct sg_table *st;
+	int ret;
+
+	/* Move to the requested placement. */
+	ret = ttm_bo_validate(bo, &i915_lmem0_placement, &ctx);
+	if (ret)
+		return ret == -ENOSPC ? -ENXIO : ret;
+
+	/* Object either has a page vector or is an iomem object */
+	st = bo->ttm ? i915_ttm_tt_get_st(bo->ttm) : obj->ttm.cached_io_st;
+	if (IS_ERR(st))
+		return PTR_ERR(st);
+
+	__i915_gem_object_set_pages(obj, st, i915_sg_dma_sizes(st->sgl));
+
+	i915_ttm_adjust_lru(obj);
+
+	return ret;
+}
+
+static void i915_ttm_put_pages(struct drm_i915_gem_object *obj,
+			       struct sg_table *st)
+{
+	/*
+	 * We're currently not called from a shrinker, so put_pages()
+	 * typically means the object is about to destroyed, or called
+	 * from move_notify(). So just avoid doing much for now.
+	 * If the object is not destroyed next, The TTM eviction logic
+	 * and shrinkers will move it out if needed.
+	 */
+
+	i915_ttm_adjust_lru(obj);
+}
+
+static void i915_ttm_adjust_lru(struct drm_i915_gem_object *obj)
+{
+	struct ttm_buffer_object *bo = i915_gem_to_ttm(obj);
+
+	/*
+	 * Don't manipulate the TTM LRUs while in TTM bo destruction.
+	 * We're called through i915_ttm_delete_mem_notify().
+	 */
+	if (!kref_read(&bo->kref))
+		return;
+
+	/*
+	 * Put on the correct LRU list depending on the MADV status
+	 */
+	spin_lock(&bo->bdev->lru_lock);
+	if (obj->mm.madv != I915_MADV_WILLNEED) {
+		bo->priority = I915_TTM_PRIO_PURGE;
+	} else if (!i915_gem_object_has_pages(obj)) {
+		if (bo->priority < I915_TTM_PRIO_HAS_PAGES)
+			bo->priority = I915_TTM_PRIO_HAS_PAGES;
+	} else {
+		if (bo->priority > I915_TTM_PRIO_NO_PAGES)
+			bo->priority = I915_TTM_PRIO_NO_PAGES;
+	}
+
+	ttm_bo_move_to_lru_tail(bo, bo->resource, NULL);
+	spin_unlock(&bo->bdev->lru_lock);
+}
+
+/*
+ * TTM-backed gem object destruction requires some clarification.
+ * Basically we have two possibilities here. We can either rely on the
+ * i915 delayed destruction and put the TTM object when the object
+ * is idle. This would be detected by TTM which would bypass the
+ * TTM delayed destroy handling. The other approach is to put the TTM
+ * object early and rely on the TTM destroyed handling, and then free
+ * the leftover parts of the GEM object once TTM's destroyed list handling is
+ * complete. For now, we rely on the latter for two reasons:
+ * a) TTM can evict an object even when it's on the delayed destroy list,
+ * which in theory allows for complete eviction.
+ * b) There is work going on in TTM to allow freeing an object even when
+ * it's not idle, and using the TTM destroyed list handling could help us
+ * benefit from that.
+ */
+static void i915_ttm_delayed_free(struct drm_i915_gem_object *obj)
+{
+	if (obj->ttm.created) {
+		ttm_bo_put(i915_gem_to_ttm(obj));
+	} else {
+		__i915_gem_free_object(obj);
+		call_rcu(&obj->rcu, __i915_gem_free_object_rcu);
+	}
+}
+
+static const struct drm_i915_gem_object_ops i915_gem_ttm_obj_ops = {
+	.name = "i915_gem_object_ttm",
+	.flags = I915_GEM_OBJECT_HAS_IOMEM,
+
+	.get_pages = i915_ttm_get_pages,
+	.put_pages = i915_ttm_put_pages,
+	.truncate = i915_ttm_purge,
+	.adjust_lru = i915_ttm_adjust_lru,
+	.delayed_free = i915_ttm_delayed_free,
+};
+
+void i915_ttm_bo_destroy(struct ttm_buffer_object *bo)
+{
+	struct drm_i915_gem_object *obj = i915_ttm_to_gem(bo);
+
+	i915_gem_object_release_memory_region(obj);
+	if (obj->ttm.created)
+		call_rcu(&obj->rcu, __i915_gem_free_object_rcu);
+}
+
+/**
+ * __i915_gem_ttm_object_init - Initialize a ttm-backed i915 gem object
+ * @mem: The initial memory region for the object.
+ * @obj: The gem object.
+ * @size: Object size in bytes.
+ * @flags: gem object flags.
+ *
+ * Return: 0 on success, negative error code on failure.
+ */
+int __i915_gem_ttm_object_init(struct intel_memory_region *mem,
+			       struct drm_i915_gem_object *obj,
+			       resource_size_t size,
+			       unsigned int flags)
+{
+	static struct lock_class_key lock_class;
+	struct drm_i915_private *i915 = mem->i915;
+	enum ttm_bo_type bo_type;
+	size_t alignment = 0;
+	int ret;
+
+	/* Adjust alignment to GPU- and CPU huge page sizes. */
+
+	if (mem->is_range_manager) {
+		if (size >= SZ_1G)
+			alignment = SZ_1G >> PAGE_SHIFT;
+		else if (size >= SZ_2M)
+			alignment = SZ_2M >> PAGE_SHIFT;
+		else if (size >= SZ_64K)
+			alignment = SZ_64K >> PAGE_SHIFT;
+	}
+
+	drm_gem_private_object_init(&i915->drm, &obj->base, size);
+	i915_gem_object_init(obj, &i915_gem_ttm_obj_ops, &lock_class, flags);
+	i915_gem_object_init_memory_region(obj, mem);
+	i915_gem_object_make_unshrinkable(obj);
+	obj->read_domains = I915_GEM_DOMAIN_WC | I915_GEM_DOMAIN_GTT;
+	i915_gem_object_set_cache_coherency(obj, I915_CACHE_NONE);
+
+	bo_type = (obj->flags & I915_BO_ALLOC_USER) ? ttm_bo_type_device :
+		ttm_bo_type_kernel;
+
+	/*
+	 * If this function fails, it will call the destructor, but
+	 * our caller still owns the object. So no freeing in the
+	 * destructor until obj->ttm.created is true.
+	 * Similarly, in delayed_destroy, we can't call ttm_bo_put()
+	 * until successful initialization.
+	 */
+	ret = ttm_bo_init(&i915->bdev, i915_gem_to_ttm(obj), size,
+			  bo_type, &i915_sys_placement, alignment,
+			  true, NULL, NULL, i915_ttm_bo_destroy);
+
+	if (!ret)
+		obj->ttm.created = true;
+
+	/* i915 wants -ENXIO when out of memory region space. */
+	return (ret == -ENOSPC) ? -ENXIO : ret;
+}
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.h b/drivers/gpu/drm/i915/gem/i915_gem_ttm.h
new file mode 100644
index 000000000000..b8d3dcbb50df
--- /dev/null
+++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.h
@@ -0,0 +1,48 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2021 Intel Corporation
+ */
+#ifndef _I915_GEM_TTM_H_
+#define _I915_GEM_TTM_H_
+
+#include "gem/i915_gem_object_types.h"
+
+/**
+ * i915_gem_to_ttm - Convert a struct drm_i915_gem_object to a
+ * struct ttm_buffer_object.
+ * @obj: Pointer to the gem object.
+ *
+ * Return: Pointer to the embedded struct ttm_buffer_object.
+ */
+static inline struct ttm_buffer_object *
+i915_gem_to_ttm(struct drm_i915_gem_object *obj)
+{
+	return &obj->__do_not_access;
+}
+
+/*
+ * i915 ttm gem object destructor. Internal use only.
+ */
+void i915_ttm_bo_destroy(struct ttm_buffer_object *bo);
+
+/**
+ * i915_ttm_to_gem - Convert a struct ttm_buffer_object to an embedding
+ * struct drm_i915_gem_object.
+ *
+ * Return: Pointer to the embedding struct ttm_buffer_object, or NULL
+ * if the object was not an i915 ttm object.
+ */
+static inline struct drm_i915_gem_object *
+i915_ttm_to_gem(struct ttm_buffer_object *bo)
+{
+	if (GEM_WARN_ON(bo->destroy != i915_ttm_bo_destroy))
+		return NULL;
+
+	return container_of(bo, struct drm_i915_gem_object, __do_not_access);
+}
+
+int __i915_gem_ttm_object_init(struct intel_memory_region *mem,
+			       struct drm_i915_gem_object *obj,
+			       resource_size_t size,
+			       unsigned int flags);
+#endif
diff --git a/drivers/gpu/drm/i915/gt/intel_region_lmem.c b/drivers/gpu/drm/i915/gt/intel_region_lmem.c
index f7366b054f8e..4ae1f717a94c 100644
--- a/drivers/gpu/drm/i915/gt/intel_region_lmem.c
+++ b/drivers/gpu/drm/i915/gt/intel_region_lmem.c
@@ -9,6 +9,7 @@
 #include "intel_region_ttm.h"
 #include "gem/i915_gem_lmem.h"
 #include "gem/i915_gem_region.h"
+#include "gem/i915_gem_ttm.h"
 #include "intel_region_lmem.h"
 
 static int init_fake_lmem_bar(struct intel_memory_region *mem)
@@ -107,7 +108,7 @@ region_lmem_init(struct intel_memory_region *mem)
 static const struct intel_memory_region_ops intel_region_lmem_ops = {
 	.init = region_lmem_init,
 	.release = region_lmem_release,
-	.init_object = __i915_gem_lmem_object_init,
+	.init_object = __i915_gem_ttm_object_init,
 };
 
 struct intel_memory_region *
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 589388dec48a..6a0a3f0e36e1 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1005,8 +1005,11 @@ i915_gem_madvise_ioctl(struct drm_device *dev, void *data,
 		}
 	}
 
-	if (obj->mm.madv != __I915_MADV_PURGED)
+	if (obj->mm.madv != __I915_MADV_PURGED) {
 		obj->mm.madv = args->madv;
+		if (obj->ops->adjust_lru)
+			obj->ops->adjust_lru(obj);
+	}
 
 	if (i915_gem_object_has_pages(obj)) {
 		unsigned long flags;
diff --git a/drivers/gpu/drm/i915/intel_memory_region.c b/drivers/gpu/drm/i915/intel_memory_region.c
index e6024eb7cca4..12fb5423fd5e 100644
--- a/drivers/gpu/drm/i915/intel_memory_region.c
+++ b/drivers/gpu/drm/i915/intel_memory_region.c
@@ -149,7 +149,6 @@ intel_memory_region_create(struct drm_i915_private *i915,
 
 	mutex_init(&mem->objects.lock);
 	INIT_LIST_HEAD(&mem->objects.list);
-	INIT_LIST_HEAD(&mem->objects.purgeable);
 	INIT_LIST_HEAD(&mem->reserved);
 
 	mutex_init(&mem->mm_lock);
diff --git a/drivers/gpu/drm/i915/intel_memory_region.h b/drivers/gpu/drm/i915/intel_memory_region.h
index 1f7dac63abb7..c7e635d62e1a 100644
--- a/drivers/gpu/drm/i915/intel_memory_region.h
+++ b/drivers/gpu/drm/i915/intel_memory_region.h
@@ -101,7 +101,6 @@ struct intel_memory_region {
 	struct {
 		struct mutex lock; /* Protects access to objects */
 		struct list_head list;
-		struct list_head purgeable;
 	} objects;
 
 	size_t chunk_size;
diff --git a/drivers/gpu/drm/i915/intel_region_ttm.c b/drivers/gpu/drm/i915/intel_region_ttm.c
index 82a6727ede46..27fe0668d094 100644
--- a/drivers/gpu/drm/i915/intel_region_ttm.c
+++ b/drivers/gpu/drm/i915/intel_region_ttm.c
@@ -11,6 +11,7 @@
 
 #include "intel_region_ttm.h"
 
+#include "gem/i915_gem_ttm.h" /* For the funcs/ops export only */
 /**
  * DOC: TTM support structure
  *
@@ -20,9 +21,6 @@
  * i915 GEM regions to TTM memory types and resource managers.
  */
 
-/* A Zero-initialized driver for now. We don't have a TTM backend yet. */
-static struct ttm_device_funcs i915_ttm_bo_driver;
-
 /**
  * intel_region_ttm_device_init - Initialize a TTM device
  * @dev_priv: Pointer to an i915 device private structure.
@@ -33,7 +31,7 @@ int intel_region_ttm_device_init(struct drm_i915_private *dev_priv)
 {
 	struct drm_device *drm = &dev_priv->drm;
 
-	return ttm_device_init(&dev_priv->bdev, &i915_ttm_bo_driver,
+	return ttm_device_init(&dev_priv->bdev, i915_ttm_driver(),
 			       drm->dev, drm->anon_inode->i_mapping,
 			       drm->vma_offset_manager, false, false);
 }
@@ -177,6 +175,7 @@ struct sg_table *intel_region_ttm_node_to_st(struct intel_memory_region *mem,
 				    mem->region.start);
 }
 
+#ifdef CONFIG_DRM_I915_SELFTEST
 /**
  * intel_region_ttm_node_alloc - Allocate memory resources from a region
  * @mem: The memory region,
@@ -224,3 +223,4 @@ intel_region_ttm_node_alloc(struct intel_memory_region *mem,
 		ret = -ENXIO;
 	return ret ? ERR_PTR(ret) : res;
 }
+#endif
diff --git a/drivers/gpu/drm/i915/intel_region_ttm.h b/drivers/gpu/drm/i915/intel_region_ttm.h
index 11b0574ab791..e8cf830fda6f 100644
--- a/drivers/gpu/drm/i915/intel_region_ttm.h
+++ b/drivers/gpu/drm/i915/intel_region_ttm.h
@@ -12,6 +12,7 @@
 struct drm_i915_private;
 struct intel_memory_region;
 struct ttm_resource;
+struct ttm_device_funcs;
 
 int intel_region_ttm_device_init(struct drm_i915_private *dev_priv);
 
@@ -24,11 +25,15 @@ void intel_region_ttm_fini(struct intel_memory_region *mem);
 struct sg_table *intel_region_ttm_node_to_st(struct intel_memory_region *mem,
 					     struct ttm_resource *res);
 
+void intel_region_ttm_node_free(struct intel_memory_region *mem,
+				struct ttm_resource *node);
+
+struct ttm_device_funcs *i915_ttm_driver(void);
+
+#ifdef CONFIG_DRM_I915_SELFTEST
 struct ttm_resource *
 intel_region_ttm_node_alloc(struct intel_memory_region *mem,
 			    resource_size_t size,
 			    unsigned int flags);
-
-void intel_region_ttm_node_free(struct intel_memory_region *mem,
-				struct ttm_resource *node);
+#endif
 #endif /* _INTEL_REGION_TTM_H_ */
-- 
2.31.1

_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

[PATCH v11 2/4] drm/i915/lmem: Verify checks for lmem residency

[Thomas Hellström]

Since objects can be migrated or evicted when not pinned or locked,
update the checks for lmem residency or future residency so that
the value returned is not immediately stale.

Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
---
v2: Simplify i915_gem_object_migratable() (Reported by Mattew Auld)
---
 drivers/gpu/drm/i915/display/intel_display.c |  2 +-
 drivers/gpu/drm/i915/gem/i915_gem_lmem.c     | 42 +++++++++++++++++++-
 drivers/gpu/drm/i915/gem/i915_gem_object.c   | 18 +++++++++
 drivers/gpu/drm/i915/gem/i915_gem_object.h   |  4 ++
 4 files changed, 64 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 362bff9beb5c..6be1b31af07b 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -11771,7 +11771,7 @@ intel_user_framebuffer_create(struct drm_device *dev,
 
 	/* object is backed with LMEM for discrete */
 	i915 = to_i915(obj->base.dev);
-	if (HAS_LMEM(i915) && !i915_gem_object_is_lmem(obj)) {
+	if (HAS_LMEM(i915) && !i915_gem_object_validates_to_lmem(obj)) {
 		/* object is "remote", not in local memory */
 		i915_gem_object_put(obj);
 		return ERR_PTR(-EREMOTE);
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_lmem.c b/drivers/gpu/drm/i915/gem/i915_gem_lmem.c
index 2b8cd15de1d9..d539dffa1554 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_lmem.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_lmem.c
@@ -23,10 +23,50 @@ i915_gem_object_lmem_io_map(struct drm_i915_gem_object *obj,
 	return io_mapping_map_wc(&obj->mm.region->iomap, offset, size);
 }
 
+/**
+ * i915_gem_object_validates_to_lmem - Whether the object is resident in
+ * lmem when pages are present.
+ * @obj: The object to check.
+ *
+ * Migratable objects residency may change from under us if the object is
+ * not pinned or locked. This function is intended to be used to check whether
+ * the object can only reside in lmem when pages are present.
+ *
+ * Return: Whether the object is always resident in lmem when pages are
+ * present.
+ */
+bool i915_gem_object_validates_to_lmem(struct drm_i915_gem_object *obj)
+{
+	struct intel_memory_region *mr = READ_ONCE(obj->mm.region);
+
+	return !i915_gem_object_migratable(obj) &&
+		mr && (mr->type == INTEL_MEMORY_LOCAL ||
+		       mr->type == INTEL_MEMORY_STOLEN_LOCAL);
+}
+
+/**
+ * i915_gem_object_is_lmem - Whether the object is resident in
+ * lmem
+ * @obj: The object to check.
+ *
+ * Even if an object is allowed to migrate and change memory region,
+ * this function checks whether it will always be present in lmem when
+ * valid *or* if that's not the case, whether it's currently resident in lmem.
+ * For migratable and evictable objects, the latter only makes sense when
+ * the object is locked.
+ *
+ * Return: Whether the object migratable but resident in lmem, or not
+ * migratable and will be present in lmem when valid.
+ */
 bool i915_gem_object_is_lmem(struct drm_i915_gem_object *obj)
 {
-	struct intel_memory_region *mr = obj->mm.region;
+	struct intel_memory_region *mr = READ_ONCE(obj->mm.region);
 
+#ifdef CONFIG_LOCKDEP
+	if (i915_gem_object_migratable(obj) &&
+	    i915_gem_object_evictable(obj))
+		assert_object_held(obj);
+#endif
 	return mr && (mr->type == INTEL_MEMORY_LOCAL ||
 		      mr->type == INTEL_MEMORY_STOLEN_LOCAL);
 }
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c
index 16eac5ea9238..cf18c430d51f 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c
@@ -457,6 +457,24 @@ bool i915_gem_object_evictable(struct drm_i915_gem_object *obj)
 	return pin_count == 0;
 }
 
+/**
+ * i915_gem_object_migratable - Whether the object is migratable out of the
+ * current region.
+ * @obj: Pointer to the object.
+ *
+ * Return: Whether the object is allowed to be resident in other
+ * regions than the current while pages are present.
+ */
+bool i915_gem_object_migratable(struct drm_i915_gem_object *obj)
+{
+	struct intel_memory_region *mr = READ_ONCE(obj->mm.region);
+
+	if (!mr)
+		return false;
+
+	return obj->mm.n_placements > 1;
+}
+
 void i915_gem_init__objects(struct drm_i915_private *i915)
 {
 	INIT_WORK(&i915->mm.free_work, __i915_gem_free_work);
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.h b/drivers/gpu/drm/i915/gem/i915_gem_object.h
index 5ae32ea99ee5..f8ce1483d181 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.h
@@ -596,6 +596,10 @@ void __i915_gem_free_object(struct drm_i915_gem_object *obj);
 
 bool i915_gem_object_evictable(struct drm_i915_gem_object *obj);
 
+bool i915_gem_object_migratable(struct drm_i915_gem_object *obj);
+
+bool i915_gem_object_validates_to_lmem(struct drm_i915_gem_object *obj);
+
 #ifdef CONFIG_MMU_NOTIFIER
 static inline bool
 i915_gem_object_is_userptr(struct drm_i915_gem_object *obj)
-- 
2.31.1

[Intel-gfx] [PATCH v11 2/4] drm/i915/lmem: Verify checks for lmem residency

[Thomas Hellström]

Since objects can be migrated or evicted when not pinned or locked,
update the checks for lmem residency or future residency so that
the value returned is not immediately stale.

Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
---
v2: Simplify i915_gem_object_migratable() (Reported by Mattew Auld)
---
 drivers/gpu/drm/i915/display/intel_display.c |  2 +-
 drivers/gpu/drm/i915/gem/i915_gem_lmem.c     | 42 +++++++++++++++++++-
 drivers/gpu/drm/i915/gem/i915_gem_object.c   | 18 +++++++++
 drivers/gpu/drm/i915/gem/i915_gem_object.h   |  4 ++
 4 files changed, 64 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 362bff9beb5c..6be1b31af07b 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -11771,7 +11771,7 @@ intel_user_framebuffer_create(struct drm_device *dev,
 
 	/* object is backed with LMEM for discrete */
 	i915 = to_i915(obj->base.dev);
-	if (HAS_LMEM(i915) && !i915_gem_object_is_lmem(obj)) {
+	if (HAS_LMEM(i915) && !i915_gem_object_validates_to_lmem(obj)) {
 		/* object is "remote", not in local memory */
 		i915_gem_object_put(obj);
 		return ERR_PTR(-EREMOTE);
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_lmem.c b/drivers/gpu/drm/i915/gem/i915_gem_lmem.c
index 2b8cd15de1d9..d539dffa1554 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_lmem.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_lmem.c
@@ -23,10 +23,50 @@ i915_gem_object_lmem_io_map(struct drm_i915_gem_object *obj,
 	return io_mapping_map_wc(&obj->mm.region->iomap, offset, size);
 }
 
+/**
+ * i915_gem_object_validates_to_lmem - Whether the object is resident in
+ * lmem when pages are present.
+ * @obj: The object to check.
+ *
+ * Migratable objects residency may change from under us if the object is
+ * not pinned or locked. This function is intended to be used to check whether
+ * the object can only reside in lmem when pages are present.
+ *
+ * Return: Whether the object is always resident in lmem when pages are
+ * present.
+ */
+bool i915_gem_object_validates_to_lmem(struct drm_i915_gem_object *obj)
+{
+	struct intel_memory_region *mr = READ_ONCE(obj->mm.region);
+
+	return !i915_gem_object_migratable(obj) &&
+		mr && (mr->type == INTEL_MEMORY_LOCAL ||
+		       mr->type == INTEL_MEMORY_STOLEN_LOCAL);
+}
+
+/**
+ * i915_gem_object_is_lmem - Whether the object is resident in
+ * lmem
+ * @obj: The object to check.
+ *
+ * Even if an object is allowed to migrate and change memory region,
+ * this function checks whether it will always be present in lmem when
+ * valid *or* if that's not the case, whether it's currently resident in lmem.
+ * For migratable and evictable objects, the latter only makes sense when
+ * the object is locked.
+ *
+ * Return: Whether the object migratable but resident in lmem, or not
+ * migratable and will be present in lmem when valid.
+ */
 bool i915_gem_object_is_lmem(struct drm_i915_gem_object *obj)
 {
-	struct intel_memory_region *mr = obj->mm.region;
+	struct intel_memory_region *mr = READ_ONCE(obj->mm.region);
 
+#ifdef CONFIG_LOCKDEP
+	if (i915_gem_object_migratable(obj) &&
+	    i915_gem_object_evictable(obj))
+		assert_object_held(obj);
+#endif
 	return mr && (mr->type == INTEL_MEMORY_LOCAL ||
 		      mr->type == INTEL_MEMORY_STOLEN_LOCAL);
 }
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.c b/drivers/gpu/drm/i915/gem/i915_gem_object.c
index 16eac5ea9238..cf18c430d51f 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.c
@@ -457,6 +457,24 @@ bool i915_gem_object_evictable(struct drm_i915_gem_object *obj)
 	return pin_count == 0;
 }
 
+/**
+ * i915_gem_object_migratable - Whether the object is migratable out of the
+ * current region.
+ * @obj: Pointer to the object.
+ *
+ * Return: Whether the object is allowed to be resident in other
+ * regions than the current while pages are present.
+ */
+bool i915_gem_object_migratable(struct drm_i915_gem_object *obj)
+{
+	struct intel_memory_region *mr = READ_ONCE(obj->mm.region);
+
+	if (!mr)
+		return false;
+
+	return obj->mm.n_placements > 1;
+}
+
 void i915_gem_init__objects(struct drm_i915_private *i915)
 {
 	INIT_WORK(&i915->mm.free_work, __i915_gem_free_work);
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.h b/drivers/gpu/drm/i915/gem/i915_gem_object.h
index 5ae32ea99ee5..f8ce1483d181 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.h
@@ -596,6 +596,10 @@ void __i915_gem_free_object(struct drm_i915_gem_object *obj);
 
 bool i915_gem_object_evictable(struct drm_i915_gem_object *obj);
 
+bool i915_gem_object_migratable(struct drm_i915_gem_object *obj);
+
+bool i915_gem_object_validates_to_lmem(struct drm_i915_gem_object *obj);
+
 #ifdef CONFIG_MMU_NOTIFIER
 static inline bool
 i915_gem_object_is_userptr(struct drm_i915_gem_object *obj)
-- 
2.31.1

_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

[PATCH v11 3/4] drm/vma: Add a driver_private member to vma_node.

[Thomas Hellström]

From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>

This allows drivers to distinguish between different types of vma_node's.
The readonly flag was unused and is thus removed.

This is a temporary solution, until i915 is converted completely to
use ttm for bo's.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Acked-by: Daniel Vetter <daniel@ffwll.ch> #irc
---
 drivers/gpu/drm/drm_gem.c     | 9 ---------
 include/drm/drm_vma_manager.h | 2 +-
 2 files changed, 1 insertion(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index d62fb1a3c916..ba2e64ed8b47 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -1148,15 +1148,6 @@ int drm_gem_mmap(struct file *filp, struct vm_area_struct *vma)
 		return -EACCES;
 	}
 
-	if (node->readonly) {
-		if (vma->vm_flags & VM_WRITE) {
-			drm_gem_object_put(obj);
-			return -EINVAL;
-		}
-
-		vma->vm_flags &= ~VM_MAYWRITE;
-	}
-
 	ret = drm_gem_mmap_obj(obj, drm_vma_node_size(node) << PAGE_SHIFT,
 			       vma);
 
diff --git a/include/drm/drm_vma_manager.h b/include/drm/drm_vma_manager.h
index 76ac5e97a559..4f8c35206f7c 100644
--- a/include/drm/drm_vma_manager.h
+++ b/include/drm/drm_vma_manager.h
@@ -53,7 +53,7 @@ struct drm_vma_offset_node {
 	rwlock_t vm_lock;
 	struct drm_mm_node vm_node;
 	struct rb_root vm_files;
-	bool readonly:1;
+	void *driver_private;
 };
 
 struct drm_vma_offset_manager {
-- 
2.31.1

[Intel-gfx] [PATCH v11 3/4] drm/vma: Add a driver_private member to vma_node.

[Thomas Hellström]

From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>

This allows drivers to distinguish between different types of vma_node's.
The readonly flag was unused and is thus removed.

This is a temporary solution, until i915 is converted completely to
use ttm for bo's.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Acked-by: Daniel Vetter <daniel@ffwll.ch> #irc
---
 drivers/gpu/drm/drm_gem.c     | 9 ---------
 include/drm/drm_vma_manager.h | 2 +-
 2 files changed, 1 insertion(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index d62fb1a3c916..ba2e64ed8b47 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -1148,15 +1148,6 @@ int drm_gem_mmap(struct file *filp, struct vm_area_struct *vma)
 		return -EACCES;
 	}
 
-	if (node->readonly) {
-		if (vma->vm_flags & VM_WRITE) {
-			drm_gem_object_put(obj);
-			return -EINVAL;
-		}
-
-		vma->vm_flags &= ~VM_MAYWRITE;
-	}
-
 	ret = drm_gem_mmap_obj(obj, drm_vma_node_size(node) << PAGE_SHIFT,
 			       vma);
 
diff --git a/include/drm/drm_vma_manager.h b/include/drm/drm_vma_manager.h
index 76ac5e97a559..4f8c35206f7c 100644
--- a/include/drm/drm_vma_manager.h
+++ b/include/drm/drm_vma_manager.h
@@ -53,7 +53,7 @@ struct drm_vma_offset_node {
 	rwlock_t vm_lock;
 	struct drm_mm_node vm_node;
 	struct rb_root vm_files;
-	bool readonly:1;
+	void *driver_private;
 };
 
 struct drm_vma_offset_manager {
-- 
2.31.1

_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

[PATCH v11 4/4] drm/i915: Use ttm mmap handling for ttm bo's.

[Thomas Hellström]

From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>

Use the ttm handlers for servicing page faults, and vm_access.

We do our own validation of read-only access, otherwise use the
ttm handlers as much as possible.

Because the ttm handlers expect the vma_node at vma->base, we slightly
need to massage the mmap handlers to look at vma_node->driver_private
to fetch the bo, if it's NULL, we assume i915's normal mmap_offset uapi
is used.

This is the easiest way to achieve compatibility without changing ttm's
semantics.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
---
- Fixed some minor style issues. (Thomas Hellström)
- Added a mutex Destroy (Thomas Hellström)
---
 drivers/gpu/drm/i915/gem/i915_gem_mman.c      |  83 ++++++++----
 drivers/gpu/drm/i915/gem/i915_gem_object.h    |   6 +-
 .../gpu/drm/i915/gem/i915_gem_object_types.h  |   3 +
 drivers/gpu/drm/i915/gem/i915_gem_pages.c     |   3 +-
 drivers/gpu/drm/i915/gem/i915_gem_ttm.c       | 121 +++++++++++++++++-
 .../drm/i915/gem/selftests/i915_gem_mman.c    |  90 ++++++-------
 drivers/gpu/drm/i915/selftests/igt_mmap.c     |  25 +++-
 drivers/gpu/drm/i915/selftests/igt_mmap.h     |  12 +-
 8 files changed, 251 insertions(+), 92 deletions(-)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
index ee0bf8811388..2fd155742bd2 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
@@ -19,6 +19,7 @@
 #include "i915_gem_mman.h"
 #include "i915_trace.h"
 #include "i915_user_extensions.h"
+#include "i915_gem_ttm.h"
 #include "i915_vma.h"
 
 static inline bool
@@ -623,6 +624,8 @@ mmap_offset_attach(struct drm_i915_gem_object *obj,
 	struct i915_mmap_offset *mmo;
 	int err;
 
+	GEM_BUG_ON(obj->ops->mmap_offset || obj->ops->mmap_ops);
+
 	mmo = lookup_mmo(obj, mmap_type);
 	if (mmo)
 		goto out;
@@ -665,40 +668,47 @@ mmap_offset_attach(struct drm_i915_gem_object *obj,
 }
 
 static int
-__assign_mmap_offset(struct drm_file *file,
-		     u32 handle,
+__assign_mmap_offset(struct drm_i915_gem_object *obj,
 		     enum i915_mmap_type mmap_type,
-		     u64 *offset)
+		     u64 *offset, struct drm_file *file)
 {
-	struct drm_i915_gem_object *obj;
 	struct i915_mmap_offset *mmo;
-	int err;
 
-	obj = i915_gem_object_lookup(file, handle);
-	if (!obj)
-		return -ENOENT;
+	if (i915_gem_object_never_mmap(obj))
+		return -ENODEV;
 
-	if (i915_gem_object_never_mmap(obj)) {
-		err = -ENODEV;
-		goto out;
+	if (obj->ops->mmap_offset)  {
+		*offset = obj->ops->mmap_offset(obj);
+		return 0;
 	}
 
 	if (mmap_type != I915_MMAP_TYPE_GTT &&
 	    !i915_gem_object_has_struct_page(obj) &&
-	    !i915_gem_object_type_has(obj, I915_GEM_OBJECT_HAS_IOMEM)) {
-		err = -ENODEV;
-		goto out;
-	}
+	    !i915_gem_object_type_has(obj, I915_GEM_OBJECT_HAS_IOMEM))
+		return -ENODEV;
 
 	mmo = mmap_offset_attach(obj, mmap_type, file);
-	if (IS_ERR(mmo)) {
-		err = PTR_ERR(mmo);
-		goto out;
-	}
+	if (IS_ERR(mmo))
+		return PTR_ERR(mmo);
 
 	*offset = drm_vma_node_offset_addr(&mmo->vma_node);
-	err = 0;
-out:
+	return 0;
+}
+
+static int
+__assign_mmap_offset_handle(struct drm_file *file,
+			    u32 handle,
+			    enum i915_mmap_type mmap_type,
+			    u64 *offset)
+{
+	struct drm_i915_gem_object *obj;
+	int err;
+
+	obj = i915_gem_object_lookup(file, handle);
+	if (!obj)
+		return -ENOENT;
+
+	err = __assign_mmap_offset(obj, mmap_type, offset, file);
 	i915_gem_object_put(obj);
 	return err;
 }
@@ -718,7 +728,7 @@ i915_gem_dumb_mmap_offset(struct drm_file *file,
 	else
 		mmap_type = I915_MMAP_TYPE_GTT;
 
-	return __assign_mmap_offset(file, handle, mmap_type, offset);
+	return __assign_mmap_offset_handle(file, handle, mmap_type, offset);
 }
 
 /**
@@ -786,7 +796,7 @@ i915_gem_mmap_offset_ioctl(struct drm_device *dev, void *data,
 		return -EINVAL;
 	}
 
-	return __assign_mmap_offset(file, args->handle, type, &args->offset);
+	return __assign_mmap_offset_handle(file, args->handle, type, &args->offset);
 }
 
 static void vm_open(struct vm_area_struct *vma)
@@ -890,8 +900,18 @@ int i915_gem_mmap(struct file *filp, struct vm_area_struct *vma)
 		 * destroyed and will be invalid when the vma manager lock
 		 * is released.
 		 */
-		mmo = container_of(node, struct i915_mmap_offset, vma_node);
-		obj = i915_gem_object_get_rcu(mmo->obj);
+		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();
@@ -913,7 +933,9 @@ int i915_gem_mmap(struct file *filp, struct vm_area_struct *vma)
 	}
 
 	vma->vm_flags |= VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP;
-	vma->vm_private_data = mmo;
+
+	if (i915_gem_object_has_iomem(obj))
+		vma->vm_flags |= VM_IO;
 
 	/*
 	 * We keep the ref on mmo->obj, not vm_file, but we require
@@ -927,6 +949,15 @@ int i915_gem_mmap(struct file *filp, struct vm_area_struct *vma)
 	/* Drop the initial creation reference, the vma is now holding one. */
 	fput(anon);
 
+	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;
+		return 0;
+	}
+
+	vma->vm_private_data = mmo;
+
 	switch (mmo->mmap_type) {
 	case I915_MMAP_TYPE_WC:
 		vma->vm_page_prot =
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.h b/drivers/gpu/drm/i915/gem/i915_gem_object.h
index f8ce1483d181..e9eecebf5c9d 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.h
@@ -342,14 +342,14 @@ struct scatterlist *
 __i915_gem_object_get_sg(struct drm_i915_gem_object *obj,
 			 struct i915_gem_object_page_iter *iter,
 			 unsigned int n,
-			 unsigned int *offset, bool allow_alloc);
+			 unsigned int *offset, bool allow_alloc, bool dma);
 
 static inline struct scatterlist *
 i915_gem_object_get_sg(struct drm_i915_gem_object *obj,
 		       unsigned int n,
 		       unsigned int *offset, bool allow_alloc)
 {
-	return __i915_gem_object_get_sg(obj, &obj->mm.get_page, n, offset, allow_alloc);
+	return __i915_gem_object_get_sg(obj, &obj->mm.get_page, n, offset, allow_alloc, false);
 }
 
 static inline struct scatterlist *
@@ -357,7 +357,7 @@ i915_gem_object_get_sg_dma(struct drm_i915_gem_object *obj,
 			   unsigned int n,
 			   unsigned int *offset, bool allow_alloc)
 {
-	return __i915_gem_object_get_sg(obj, &obj->mm.get_dma_page, n, offset, allow_alloc);
+	return __i915_gem_object_get_sg(obj, &obj->mm.get_dma_page, n, offset, allow_alloc, true);
 }
 
 struct page *
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 68313474e6a6..2a23b77424b3 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h
@@ -61,6 +61,7 @@ struct drm_i915_gem_object_ops {
 		     const struct drm_i915_gem_pread *arg);
 	int (*pwrite)(struct drm_i915_gem_object *obj,
 		      const struct drm_i915_gem_pwrite *arg);
+	u64 (*mmap_offset)(struct drm_i915_gem_object *obj);
 
 	int (*dmabuf_export)(struct drm_i915_gem_object *obj);
 
@@ -79,6 +80,7 @@ struct drm_i915_gem_object_ops {
 	void (*delayed_free)(struct drm_i915_gem_object *obj);
 	void (*release)(struct drm_i915_gem_object *obj);
 
+	const struct vm_operations_struct *mmap_ops;
 	const char *name; /* friendly name for debug, e.g. lockdep classes */
 };
 
@@ -328,6 +330,7 @@ struct drm_i915_gem_object {
 
 	struct {
 		struct sg_table *cached_io_st;
+		struct i915_gem_object_page_iter get_io_page;
 		bool created:1;
 	} ttm;
 
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_pages.c b/drivers/gpu/drm/i915/gem/i915_gem_pages.c
index 6444e097016d..086005c1c7ea 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_pages.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_pages.c
@@ -467,9 +467,8 @@ __i915_gem_object_get_sg(struct drm_i915_gem_object *obj,
 			 struct i915_gem_object_page_iter *iter,
 			 unsigned int n,
 			 unsigned int *offset,
-			 bool allow_alloc)
+			 bool allow_alloc, bool dma)
 {
-	const bool dma = iter == &obj->mm.get_dma_page;
 	struct scatterlist *sg;
 	unsigned int idx, count;
 
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
index 2695b8c37e13..bf33724bed5c 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
@@ -13,6 +13,7 @@
 #include "gem/i915_gem_object.h"
 #include "gem/i915_gem_region.h"
 #include "gem/i915_gem_ttm.h"
+#include "gem/i915_gem_mman.h"
 
 #define I915_PL_LMEM0 TTM_PL_PRIV
 #define I915_PL_SYSTEM TTM_PL_SYSTEM
@@ -158,11 +159,20 @@ static int i915_ttm_move_notify(struct ttm_buffer_object *bo)
 
 static void i915_ttm_free_cached_io_st(struct drm_i915_gem_object *obj)
 {
-	if (obj->ttm.cached_io_st) {
-		sg_free_table(obj->ttm.cached_io_st);
-		kfree(obj->ttm.cached_io_st);
-		obj->ttm.cached_io_st = NULL;
-	}
+	struct radix_tree_iter iter;
+	void __rcu **slot;
+
+	if (!obj->ttm.cached_io_st)
+		return;
+
+	rcu_read_lock();
+	radix_tree_for_each_slot(slot, &obj->ttm.get_io_page.radix, &iter, 0)
+		radix_tree_delete(&obj->ttm.get_io_page.radix, iter.index);
+	rcu_read_unlock();
+
+	sg_free_table(obj->ttm.cached_io_st);
+	kfree(obj->ttm.cached_io_st);
+	obj->ttm.cached_io_st = NULL;
 }
 
 static void i915_ttm_purge(struct drm_i915_gem_object *obj)
@@ -338,12 +348,41 @@ static int i915_ttm_move(struct ttm_buffer_object *bo, bool evict,
 	ttm_bo_move_sync_cleanup(bo, dst_mem);
 	i915_ttm_free_cached_io_st(obj);
 
-	if (!dst_man->use_tt)
+	if (!dst_man->use_tt) {
 		obj->ttm.cached_io_st = dst_st;
+		obj->ttm.get_io_page.sg_pos = dst_st->sgl;
+		obj->ttm.get_io_page.sg_idx = 0;
+	}
 
 	return 0;
 }
 
+static int i915_ttm_io_mem_reserve(struct ttm_device *bdev, struct ttm_resource *mem)
+{
+	if (mem->mem_type < I915_PL_LMEM0)
+		return 0;
+
+	mem->bus.caching = ttm_write_combined;
+	mem->bus.is_iomem = true;
+
+	return 0;
+}
+
+static unsigned long i915_ttm_io_mem_pfn(struct ttm_buffer_object *bo,
+					 unsigned long page_offset)
+{
+	struct drm_i915_gem_object *obj = i915_ttm_to_gem(bo);
+	unsigned long base = obj->mm.region->iomap.base - obj->mm.region->region.start;
+	struct scatterlist *sg;
+	unsigned int ofs;
+
+	GEM_WARN_ON(bo->ttm);
+
+	sg = __i915_gem_object_get_sg(obj, &obj->ttm.get_io_page, page_offset, &ofs, true, true);
+
+	return ((base + sg_dma_address(sg)) >> PAGE_SHIFT) + ofs;
+}
+
 static struct ttm_device_funcs i915_ttm_bo_driver = {
 	.ttm_tt_create = i915_ttm_tt_create,
 	.ttm_tt_unpopulate = i915_ttm_tt_unpopulate,
@@ -353,6 +392,8 @@ static struct ttm_device_funcs i915_ttm_bo_driver = {
 	.move = i915_ttm_move,
 	.swap_notify = i915_ttm_swap_notify,
 	.delete_mem_notify = i915_ttm_delete_mem_notify,
+	.io_mem_reserve = i915_ttm_io_mem_reserve,
+	.io_mem_pfn = i915_ttm_io_mem_pfn,
 };
 
 /**
@@ -460,7 +501,67 @@ static void i915_ttm_delayed_free(struct drm_i915_gem_object *obj)
 	}
 }
 
-static const struct drm_i915_gem_object_ops i915_gem_ttm_obj_ops = {
+static vm_fault_t vm_fault_ttm(struct vm_fault *vmf)
+{
+	struct vm_area_struct *area = vmf->vma;
+	struct drm_i915_gem_object *obj =
+		i915_ttm_to_gem(area->vm_private_data);
+
+	/* Sanity check that we allow writing into this object */
+	if (unlikely(i915_gem_object_is_readonly(obj) &&
+		     area->vm_flags & VM_WRITE))
+		return VM_FAULT_SIGBUS;
+
+	return ttm_bo_vm_fault(vmf);
+}
+
+static int
+vm_access_ttm(struct vm_area_struct *area, unsigned long addr,
+	      void *buf, int len, int write)
+{
+	struct drm_i915_gem_object *obj =
+		i915_ttm_to_gem(area->vm_private_data);
+
+	if (i915_gem_object_is_readonly(obj) && write)
+		return -EACCES;
+
+	return ttm_bo_vm_access(area, addr, buf, len, write);
+}
+
+static void ttm_vm_open(struct vm_area_struct *vma)
+{
+	struct drm_i915_gem_object *obj =
+		i915_ttm_to_gem(vma->vm_private_data);
+
+	GEM_BUG_ON(!obj);
+	i915_gem_object_get(obj);
+}
+
+static void ttm_vm_close(struct vm_area_struct *vma)
+{
+	struct drm_i915_gem_object *obj =
+		i915_ttm_to_gem(vma->vm_private_data);
+
+	GEM_BUG_ON(!obj);
+	i915_gem_object_put(obj);
+}
+
+static const struct vm_operations_struct vm_ops_ttm = {
+	.fault = vm_fault_ttm,
+	.access = vm_access_ttm,
+	.open = ttm_vm_open,
+	.close = ttm_vm_close,
+};
+
+static u64 i915_ttm_mmap_offset(struct drm_i915_gem_object *obj)
+{
+	/* The ttm_bo must be allocated with I915_BO_ALLOC_USER */
+	GEM_BUG_ON(!drm_mm_node_allocated(&obj->base.vma_node.vm_node));
+
+	return drm_vma_node_offset_addr(&obj->base.vma_node);
+}
+
+const struct drm_i915_gem_object_ops i915_gem_ttm_obj_ops = {
 	.name = "i915_gem_object_ttm",
 	.flags = I915_GEM_OBJECT_HAS_IOMEM,
 
@@ -469,6 +570,8 @@ static const struct drm_i915_gem_object_ops i915_gem_ttm_obj_ops = {
 	.truncate = i915_ttm_purge,
 	.adjust_lru = i915_ttm_adjust_lru,
 	.delayed_free = i915_ttm_delayed_free,
+	.mmap_offset = i915_ttm_mmap_offset,
+	.mmap_ops = &vm_ops_ttm,
 };
 
 void i915_ttm_bo_destroy(struct ttm_buffer_object *bo)
@@ -476,6 +579,7 @@ void i915_ttm_bo_destroy(struct ttm_buffer_object *bo)
 	struct drm_i915_gem_object *obj = i915_ttm_to_gem(bo);
 
 	i915_gem_object_release_memory_region(obj);
+	mutex_destroy(&obj->ttm.get_io_page.lock);
 	if (obj->ttm.created)
 		call_rcu(&obj->rcu, __i915_gem_free_object_rcu);
 }
@@ -517,6 +621,8 @@ int __i915_gem_ttm_object_init(struct intel_memory_region *mem,
 	i915_gem_object_make_unshrinkable(obj);
 	obj->read_domains = I915_GEM_DOMAIN_WC | I915_GEM_DOMAIN_GTT;
 	i915_gem_object_set_cache_coherency(obj, I915_CACHE_NONE);
+	INIT_RADIX_TREE(&obj->ttm.get_io_page.radix, GFP_KERNEL | __GFP_NOWARN);
+	mutex_init(&obj->ttm.get_io_page.lock);
 
 	bo_type = (obj->flags & I915_BO_ALLOC_USER) ? ttm_bo_type_device :
 		ttm_bo_type_kernel;
@@ -528,6 +634,7 @@ int __i915_gem_ttm_object_init(struct intel_memory_region *mem,
 	 * Similarly, in delayed_destroy, we can't call ttm_bo_put()
 	 * until successful initialization.
 	 */
+	obj->base.vma_node.driver_private = i915_gem_to_ttm(obj);
 	ret = ttm_bo_init(&i915->bdev, i915_gem_to_ttm(obj), size,
 			  bo_type, &i915_sys_placement, alignment,
 			  true, NULL, NULL, i915_ttm_bo_destroy);
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 3a30955285d6..44b5de06ce64 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
@@ -578,16 +578,17 @@ static bool assert_mmap_offset(struct drm_i915_private *i915,
 			       int expected)
 {
 	struct drm_i915_gem_object *obj;
-	struct i915_mmap_offset *mmo;
+	u64 offset;
+	int ret;
 
 	obj = i915_gem_object_create_internal(i915, size);
 	if (IS_ERR(obj))
-		return false;
+		return expected && expected == PTR_ERR(obj);
 
-	mmo = mmap_offset_attach(obj, I915_MMAP_OFFSET_GTT, NULL);
+	ret = __assign_mmap_offset(obj, I915_MMAP_TYPE_GTT, &offset, NULL);
 	i915_gem_object_put(obj);
 
-	return PTR_ERR_OR_ZERO(mmo) == expected;
+	return ret == expected;
 }
 
 static void disable_retire_worker(struct drm_i915_private *i915)
@@ -622,8 +623,8 @@ static int igt_mmap_offset_exhaustion(void *arg)
 	struct drm_mm *mm = &i915->drm.vma_offset_manager->vm_addr_space_mm;
 	struct drm_i915_gem_object *obj;
 	struct drm_mm_node *hole, *next;
-	struct i915_mmap_offset *mmo;
 	int loop, err = 0;
+	u64 offset;
 
 	/* Disable background reaper */
 	disable_retire_worker(i915);
@@ -684,13 +685,13 @@ static int igt_mmap_offset_exhaustion(void *arg)
 	obj = i915_gem_object_create_internal(i915, PAGE_SIZE);
 	if (IS_ERR(obj)) {
 		err = PTR_ERR(obj);
+		pr_err("Unable to create object for reclaimed hole\n");
 		goto out;
 	}
 
-	mmo = mmap_offset_attach(obj, I915_MMAP_OFFSET_GTT, NULL);
-	if (IS_ERR(mmo)) {
+	err = __assign_mmap_offset(obj, I915_MMAP_TYPE_GTT, &offset, NULL);
+	if (err) {
 		pr_err("Unable to insert object into reclaimed hole\n");
-		err = PTR_ERR(mmo);
 		goto err_obj;
 	}
 
@@ -865,10 +866,10 @@ static int __igt_mmap(struct drm_i915_private *i915,
 		      struct drm_i915_gem_object *obj,
 		      enum i915_mmap_type type)
 {
-	struct i915_mmap_offset *mmo;
 	struct vm_area_struct *area;
 	unsigned long addr;
 	int err, i;
+	u64 offset;
 
 	if (!can_mmap(obj, type))
 		return 0;
@@ -879,11 +880,11 @@ static int __igt_mmap(struct drm_i915_private *i915,
 	if (err)
 		return err;
 
-	mmo = mmap_offset_attach(obj, type, NULL);
-	if (IS_ERR(mmo))
-		return PTR_ERR(mmo);
+	err = __assign_mmap_offset(obj, type, &offset, NULL);
+	if (err)
+		return err;
 
-	addr = igt_mmap_node(i915, &mmo->vma_node, 0, PROT_WRITE, MAP_SHARED);
+	addr = igt_mmap_offset(i915, offset, obj->base.size, PROT_WRITE, MAP_SHARED);
 	if (IS_ERR_VALUE(addr))
 		return addr;
 
@@ -897,13 +898,6 @@ static int __igt_mmap(struct drm_i915_private *i915,
 		goto out_unmap;
 	}
 
-	if (area->vm_private_data != mmo) {
-		pr_err("%s: vm_area_struct did not point back to our mmap_offset object!\n",
-		       obj->mm.region->name);
-		err = -EINVAL;
-		goto out_unmap;
-	}
-
 	for (i = 0; i < obj->base.size / sizeof(u32); i++) {
 		u32 __user *ux = u64_to_user_ptr((u64)(addr + i * sizeof(*ux)));
 		u32 x;
@@ -961,7 +955,7 @@ static int igt_mmap(void *arg)
 			struct drm_i915_gem_object *obj;
 			int err;
 
-			obj = i915_gem_object_create_region(mr, sizes[i], 0);
+			obj = i915_gem_object_create_region(mr, sizes[i], I915_BO_ALLOC_USER);
 			if (obj == ERR_PTR(-ENODEV))
 				continue;
 
@@ -1004,12 +998,12 @@ static int __igt_mmap_access(struct drm_i915_private *i915,
 			     struct drm_i915_gem_object *obj,
 			     enum i915_mmap_type type)
 {
-	struct i915_mmap_offset *mmo;
 	unsigned long __user *ptr;
 	unsigned long A, B;
 	unsigned long x, y;
 	unsigned long addr;
 	int err;
+	u64 offset;
 
 	memset(&A, 0xAA, sizeof(A));
 	memset(&B, 0xBB, sizeof(B));
@@ -1017,11 +1011,11 @@ static int __igt_mmap_access(struct drm_i915_private *i915,
 	if (!can_mmap(obj, type) || !can_access(obj))
 		return 0;
 
-	mmo = mmap_offset_attach(obj, type, NULL);
-	if (IS_ERR(mmo))
-		return PTR_ERR(mmo);
+	err = __assign_mmap_offset(obj, type, &offset, NULL);
+	if (err)
+		return err;
 
-	addr = igt_mmap_node(i915, &mmo->vma_node, 0, PROT_WRITE, MAP_SHARED);
+	addr = igt_mmap_offset(i915, offset, obj->base.size, PROT_WRITE, MAP_SHARED);
 	if (IS_ERR_VALUE(addr))
 		return addr;
 	ptr = (unsigned long __user *)addr;
@@ -1081,7 +1075,7 @@ static int igt_mmap_access(void *arg)
 		struct drm_i915_gem_object *obj;
 		int err;
 
-		obj = i915_gem_object_create_region(mr, PAGE_SIZE, 0);
+		obj = i915_gem_object_create_region(mr, PAGE_SIZE, I915_BO_ALLOC_USER);
 		if (obj == ERR_PTR(-ENODEV))
 			continue;
 
@@ -1111,11 +1105,11 @@ static int __igt_mmap_gpu(struct drm_i915_private *i915,
 			  enum i915_mmap_type type)
 {
 	struct intel_engine_cs *engine;
-	struct i915_mmap_offset *mmo;
 	unsigned long addr;
 	u32 __user *ux;
 	u32 bbe;
 	int err;
+	u64 offset;
 
 	/*
 	 * Verify that the mmap access into the backing store aligns with
@@ -1132,11 +1126,11 @@ static int __igt_mmap_gpu(struct drm_i915_private *i915,
 	if (err)
 		return err;
 
-	mmo = mmap_offset_attach(obj, type, NULL);
-	if (IS_ERR(mmo))
-		return PTR_ERR(mmo);
+	err = __assign_mmap_offset(obj, type, &offset, NULL);
+	if (err)
+		return err;
 
-	addr = igt_mmap_node(i915, &mmo->vma_node, 0, PROT_WRITE, MAP_SHARED);
+	addr = igt_mmap_offset(i915, offset, obj->base.size, PROT_WRITE, MAP_SHARED);
 	if (IS_ERR_VALUE(addr))
 		return addr;
 
@@ -1226,7 +1220,7 @@ static int igt_mmap_gpu(void *arg)
 		struct drm_i915_gem_object *obj;
 		int err;
 
-		obj = i915_gem_object_create_region(mr, PAGE_SIZE, 0);
+		obj = i915_gem_object_create_region(mr, PAGE_SIZE, I915_BO_ALLOC_USER);
 		if (obj == ERR_PTR(-ENODEV))
 			continue;
 
@@ -1303,18 +1297,18 @@ static int __igt_mmap_revoke(struct drm_i915_private *i915,
 			     struct drm_i915_gem_object *obj,
 			     enum i915_mmap_type type)
 {
-	struct i915_mmap_offset *mmo;
 	unsigned long addr;
 	int err;
+	u64 offset;
 
 	if (!can_mmap(obj, type))
 		return 0;
 
-	mmo = mmap_offset_attach(obj, type, NULL);
-	if (IS_ERR(mmo))
-		return PTR_ERR(mmo);
+	err = __assign_mmap_offset(obj, type, &offset, NULL);
+	if (err)
+		return err;
 
-	addr = igt_mmap_node(i915, &mmo->vma_node, 0, PROT_WRITE, MAP_SHARED);
+	addr = igt_mmap_offset(i915, offset, obj->base.size, PROT_WRITE, MAP_SHARED);
 	if (IS_ERR_VALUE(addr))
 		return addr;
 
@@ -1350,10 +1344,20 @@ static int __igt_mmap_revoke(struct drm_i915_private *i915,
 		}
 	}
 
-	err = check_absent(addr, obj->base.size);
-	if (err) {
-		pr_err("%s: was not absent\n", obj->mm.region->name);
-		goto out_unmap;
+	if (!obj->ops->mmap_ops) {
+		err = check_absent(addr, obj->base.size);
+		if (err) {
+			pr_err("%s: was not absent\n", obj->mm.region->name);
+			goto out_unmap;
+		}
+	} else {
+		/* ttm allows access to evicted regions by design */
+
+		err = check_present(addr, obj->base.size);
+		if (err) {
+			pr_err("%s: was not present\n", obj->mm.region->name);
+			goto out_unmap;
+		}
 	}
 
 out_unmap:
@@ -1371,7 +1375,7 @@ static int igt_mmap_revoke(void *arg)
 		struct drm_i915_gem_object *obj;
 		int err;
 
-		obj = i915_gem_object_create_region(mr, PAGE_SIZE, 0);
+		obj = i915_gem_object_create_region(mr, PAGE_SIZE, I915_BO_ALLOC_USER);
 		if (obj == ERR_PTR(-ENODEV))
 			continue;
 
diff --git a/drivers/gpu/drm/i915/selftests/igt_mmap.c b/drivers/gpu/drm/i915/selftests/igt_mmap.c
index 583a4ff8b8c9..e920a461bd36 100644
--- a/drivers/gpu/drm/i915/selftests/igt_mmap.c
+++ b/drivers/gpu/drm/i915/selftests/igt_mmap.c
@@ -9,15 +9,28 @@
 #include "i915_drv.h"
 #include "igt_mmap.h"
 
-unsigned long igt_mmap_node(struct drm_i915_private *i915,
-			    struct drm_vma_offset_node *node,
-			    unsigned long addr,
-			    unsigned long prot,
-			    unsigned long flags)
+unsigned long igt_mmap_offset(struct drm_i915_private *i915,
+			      u64 offset,
+			      unsigned long size,
+			      unsigned long prot,
+			      unsigned long flags)
 {
+	struct drm_vma_offset_node *node;
 	struct file *file;
+	unsigned long addr;
 	int err;
 
+	/* no need to refcount, we own this object */
+	drm_vma_offset_lock_lookup(i915->drm.vma_offset_manager);
+	node = drm_vma_offset_exact_lookup_locked(i915->drm.vma_offset_manager,
+						  offset / PAGE_SIZE, size / PAGE_SIZE);
+	drm_vma_offset_unlock_lookup(i915->drm.vma_offset_manager);
+
+	if (GEM_WARN_ON(!node)) {
+		pr_info("Failed to lookup %llx\n", offset);
+		return -ENOENT;
+	}
+
 	/* Pretend to open("/dev/dri/card0") */
 	file = mock_drm_getfile(i915->drm.primary, O_RDWR);
 	if (IS_ERR(file))
@@ -29,7 +42,7 @@ unsigned long igt_mmap_node(struct drm_i915_private *i915,
 		goto out_file;
 	}
 
-	addr = vm_mmap(file, addr, drm_vma_node_size(node) << PAGE_SHIFT,
+	addr = vm_mmap(file, 0, drm_vma_node_size(node) << PAGE_SHIFT,
 		       prot, flags, drm_vma_node_offset_addr(node));
 
 	drm_vma_node_revoke(node, file->private_data);
diff --git a/drivers/gpu/drm/i915/selftests/igt_mmap.h b/drivers/gpu/drm/i915/selftests/igt_mmap.h
index 6e716cb59d7e..acbe34d81a6d 100644
--- a/drivers/gpu/drm/i915/selftests/igt_mmap.h
+++ b/drivers/gpu/drm/i915/selftests/igt_mmap.h
@@ -7,13 +7,15 @@
 #ifndef IGT_MMAP_H
 #define IGT_MMAP_H
 
+#include <linux/types.h>
+
 struct drm_i915_private;
 struct drm_vma_offset_node;
 
-unsigned long igt_mmap_node(struct drm_i915_private *i915,
-			    struct drm_vma_offset_node *node,
-			    unsigned long addr,
-			    unsigned long prot,
-			    unsigned long flags);
+unsigned long igt_mmap_offset(struct drm_i915_private *i915,
+			      u64 offset,
+			      unsigned long size,
+			      unsigned long prot,
+			      unsigned long flags);
 
 #endif /* IGT_MMAP_H */
-- 
2.31.1

[Intel-gfx] [PATCH v11 4/4] drm/i915: Use ttm mmap handling for ttm bo's.

[Thomas Hellström]

From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>

Use the ttm handlers for servicing page faults, and vm_access.

We do our own validation of read-only access, otherwise use the
ttm handlers as much as possible.

Because the ttm handlers expect the vma_node at vma->base, we slightly
need to massage the mmap handlers to look at vma_node->driver_private
to fetch the bo, if it's NULL, we assume i915's normal mmap_offset uapi
is used.

This is the easiest way to achieve compatibility without changing ttm's
semantics.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
---
- Fixed some minor style issues. (Thomas Hellström)
- Added a mutex Destroy (Thomas Hellström)
---
 drivers/gpu/drm/i915/gem/i915_gem_mman.c      |  83 ++++++++----
 drivers/gpu/drm/i915/gem/i915_gem_object.h    |   6 +-
 .../gpu/drm/i915/gem/i915_gem_object_types.h  |   3 +
 drivers/gpu/drm/i915/gem/i915_gem_pages.c     |   3 +-
 drivers/gpu/drm/i915/gem/i915_gem_ttm.c       | 121 +++++++++++++++++-
 .../drm/i915/gem/selftests/i915_gem_mman.c    |  90 ++++++-------
 drivers/gpu/drm/i915/selftests/igt_mmap.c     |  25 +++-
 drivers/gpu/drm/i915/selftests/igt_mmap.h     |  12 +-
 8 files changed, 251 insertions(+), 92 deletions(-)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
index ee0bf8811388..2fd155742bd2 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
@@ -19,6 +19,7 @@
 #include "i915_gem_mman.h"
 #include "i915_trace.h"
 #include "i915_user_extensions.h"
+#include "i915_gem_ttm.h"
 #include "i915_vma.h"
 
 static inline bool
@@ -623,6 +624,8 @@ mmap_offset_attach(struct drm_i915_gem_object *obj,
 	struct i915_mmap_offset *mmo;
 	int err;
 
+	GEM_BUG_ON(obj->ops->mmap_offset || obj->ops->mmap_ops);
+
 	mmo = lookup_mmo(obj, mmap_type);
 	if (mmo)
 		goto out;
@@ -665,40 +668,47 @@ mmap_offset_attach(struct drm_i915_gem_object *obj,
 }
 
 static int
-__assign_mmap_offset(struct drm_file *file,
-		     u32 handle,
+__assign_mmap_offset(struct drm_i915_gem_object *obj,
 		     enum i915_mmap_type mmap_type,
-		     u64 *offset)
+		     u64 *offset, struct drm_file *file)
 {
-	struct drm_i915_gem_object *obj;
 	struct i915_mmap_offset *mmo;
-	int err;
 
-	obj = i915_gem_object_lookup(file, handle);
-	if (!obj)
-		return -ENOENT;
+	if (i915_gem_object_never_mmap(obj))
+		return -ENODEV;
 
-	if (i915_gem_object_never_mmap(obj)) {
-		err = -ENODEV;
-		goto out;
+	if (obj->ops->mmap_offset)  {
+		*offset = obj->ops->mmap_offset(obj);
+		return 0;
 	}
 
 	if (mmap_type != I915_MMAP_TYPE_GTT &&
 	    !i915_gem_object_has_struct_page(obj) &&
-	    !i915_gem_object_type_has(obj, I915_GEM_OBJECT_HAS_IOMEM)) {
-		err = -ENODEV;
-		goto out;
-	}
+	    !i915_gem_object_type_has(obj, I915_GEM_OBJECT_HAS_IOMEM))
+		return -ENODEV;
 
 	mmo = mmap_offset_attach(obj, mmap_type, file);
-	if (IS_ERR(mmo)) {
-		err = PTR_ERR(mmo);
-		goto out;
-	}
+	if (IS_ERR(mmo))
+		return PTR_ERR(mmo);
 
 	*offset = drm_vma_node_offset_addr(&mmo->vma_node);
-	err = 0;
-out:
+	return 0;
+}
+
+static int
+__assign_mmap_offset_handle(struct drm_file *file,
+			    u32 handle,
+			    enum i915_mmap_type mmap_type,
+			    u64 *offset)
+{
+	struct drm_i915_gem_object *obj;
+	int err;
+
+	obj = i915_gem_object_lookup(file, handle);
+	if (!obj)
+		return -ENOENT;
+
+	err = __assign_mmap_offset(obj, mmap_type, offset, file);
 	i915_gem_object_put(obj);
 	return err;
 }
@@ -718,7 +728,7 @@ i915_gem_dumb_mmap_offset(struct drm_file *file,
 	else
 		mmap_type = I915_MMAP_TYPE_GTT;
 
-	return __assign_mmap_offset(file, handle, mmap_type, offset);
+	return __assign_mmap_offset_handle(file, handle, mmap_type, offset);
 }
 
 /**
@@ -786,7 +796,7 @@ i915_gem_mmap_offset_ioctl(struct drm_device *dev, void *data,
 		return -EINVAL;
 	}
 
-	return __assign_mmap_offset(file, args->handle, type, &args->offset);
+	return __assign_mmap_offset_handle(file, args->handle, type, &args->offset);
 }
 
 static void vm_open(struct vm_area_struct *vma)
@@ -890,8 +900,18 @@ int i915_gem_mmap(struct file *filp, struct vm_area_struct *vma)
 		 * destroyed and will be invalid when the vma manager lock
 		 * is released.
 		 */
-		mmo = container_of(node, struct i915_mmap_offset, vma_node);
-		obj = i915_gem_object_get_rcu(mmo->obj);
+		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();
@@ -913,7 +933,9 @@ int i915_gem_mmap(struct file *filp, struct vm_area_struct *vma)
 	}
 
 	vma->vm_flags |= VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP;
-	vma->vm_private_data = mmo;
+
+	if (i915_gem_object_has_iomem(obj))
+		vma->vm_flags |= VM_IO;
 
 	/*
 	 * We keep the ref on mmo->obj, not vm_file, but we require
@@ -927,6 +949,15 @@ int i915_gem_mmap(struct file *filp, struct vm_area_struct *vma)
 	/* Drop the initial creation reference, the vma is now holding one. */
 	fput(anon);
 
+	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;
+		return 0;
+	}
+
+	vma->vm_private_data = mmo;
+
 	switch (mmo->mmap_type) {
 	case I915_MMAP_TYPE_WC:
 		vma->vm_page_prot =
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.h b/drivers/gpu/drm/i915/gem/i915_gem_object.h
index f8ce1483d181..e9eecebf5c9d 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.h
@@ -342,14 +342,14 @@ struct scatterlist *
 __i915_gem_object_get_sg(struct drm_i915_gem_object *obj,
 			 struct i915_gem_object_page_iter *iter,
 			 unsigned int n,
-			 unsigned int *offset, bool allow_alloc);
+			 unsigned int *offset, bool allow_alloc, bool dma);
 
 static inline struct scatterlist *
 i915_gem_object_get_sg(struct drm_i915_gem_object *obj,
 		       unsigned int n,
 		       unsigned int *offset, bool allow_alloc)
 {
-	return __i915_gem_object_get_sg(obj, &obj->mm.get_page, n, offset, allow_alloc);
+	return __i915_gem_object_get_sg(obj, &obj->mm.get_page, n, offset, allow_alloc, false);
 }
 
 static inline struct scatterlist *
@@ -357,7 +357,7 @@ i915_gem_object_get_sg_dma(struct drm_i915_gem_object *obj,
 			   unsigned int n,
 			   unsigned int *offset, bool allow_alloc)
 {
-	return __i915_gem_object_get_sg(obj, &obj->mm.get_dma_page, n, offset, allow_alloc);
+	return __i915_gem_object_get_sg(obj, &obj->mm.get_dma_page, n, offset, allow_alloc, true);
 }
 
 struct page *
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 68313474e6a6..2a23b77424b3 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h
@@ -61,6 +61,7 @@ struct drm_i915_gem_object_ops {
 		     const struct drm_i915_gem_pread *arg);
 	int (*pwrite)(struct drm_i915_gem_object *obj,
 		      const struct drm_i915_gem_pwrite *arg);
+	u64 (*mmap_offset)(struct drm_i915_gem_object *obj);
 
 	int (*dmabuf_export)(struct drm_i915_gem_object *obj);
 
@@ -79,6 +80,7 @@ struct drm_i915_gem_object_ops {
 	void (*delayed_free)(struct drm_i915_gem_object *obj);
 	void (*release)(struct drm_i915_gem_object *obj);
 
+	const struct vm_operations_struct *mmap_ops;
 	const char *name; /* friendly name for debug, e.g. lockdep classes */
 };
 
@@ -328,6 +330,7 @@ struct drm_i915_gem_object {
 
 	struct {
 		struct sg_table *cached_io_st;
+		struct i915_gem_object_page_iter get_io_page;
 		bool created:1;
 	} ttm;
 
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_pages.c b/drivers/gpu/drm/i915/gem/i915_gem_pages.c
index 6444e097016d..086005c1c7ea 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_pages.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_pages.c
@@ -467,9 +467,8 @@ __i915_gem_object_get_sg(struct drm_i915_gem_object *obj,
 			 struct i915_gem_object_page_iter *iter,
 			 unsigned int n,
 			 unsigned int *offset,
-			 bool allow_alloc)
+			 bool allow_alloc, bool dma)
 {
-	const bool dma = iter == &obj->mm.get_dma_page;
 	struct scatterlist *sg;
 	unsigned int idx, count;
 
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
index 2695b8c37e13..bf33724bed5c 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
@@ -13,6 +13,7 @@
 #include "gem/i915_gem_object.h"
 #include "gem/i915_gem_region.h"
 #include "gem/i915_gem_ttm.h"
+#include "gem/i915_gem_mman.h"
 
 #define I915_PL_LMEM0 TTM_PL_PRIV
 #define I915_PL_SYSTEM TTM_PL_SYSTEM
@@ -158,11 +159,20 @@ static int i915_ttm_move_notify(struct ttm_buffer_object *bo)
 
 static void i915_ttm_free_cached_io_st(struct drm_i915_gem_object *obj)
 {
-	if (obj->ttm.cached_io_st) {
-		sg_free_table(obj->ttm.cached_io_st);
-		kfree(obj->ttm.cached_io_st);
-		obj->ttm.cached_io_st = NULL;
-	}
+	struct radix_tree_iter iter;
+	void __rcu **slot;
+
+	if (!obj->ttm.cached_io_st)
+		return;
+
+	rcu_read_lock();
+	radix_tree_for_each_slot(slot, &obj->ttm.get_io_page.radix, &iter, 0)
+		radix_tree_delete(&obj->ttm.get_io_page.radix, iter.index);
+	rcu_read_unlock();
+
+	sg_free_table(obj->ttm.cached_io_st);
+	kfree(obj->ttm.cached_io_st);
+	obj->ttm.cached_io_st = NULL;
 }
 
 static void i915_ttm_purge(struct drm_i915_gem_object *obj)
@@ -338,12 +348,41 @@ static int i915_ttm_move(struct ttm_buffer_object *bo, bool evict,
 	ttm_bo_move_sync_cleanup(bo, dst_mem);
 	i915_ttm_free_cached_io_st(obj);
 
-	if (!dst_man->use_tt)
+	if (!dst_man->use_tt) {
 		obj->ttm.cached_io_st = dst_st;
+		obj->ttm.get_io_page.sg_pos = dst_st->sgl;
+		obj->ttm.get_io_page.sg_idx = 0;
+	}
 
 	return 0;
 }
 
+static int i915_ttm_io_mem_reserve(struct ttm_device *bdev, struct ttm_resource *mem)
+{
+	if (mem->mem_type < I915_PL_LMEM0)
+		return 0;
+
+	mem->bus.caching = ttm_write_combined;
+	mem->bus.is_iomem = true;
+
+	return 0;
+}
+
+static unsigned long i915_ttm_io_mem_pfn(struct ttm_buffer_object *bo,
+					 unsigned long page_offset)
+{
+	struct drm_i915_gem_object *obj = i915_ttm_to_gem(bo);
+	unsigned long base = obj->mm.region->iomap.base - obj->mm.region->region.start;
+	struct scatterlist *sg;
+	unsigned int ofs;
+
+	GEM_WARN_ON(bo->ttm);
+
+	sg = __i915_gem_object_get_sg(obj, &obj->ttm.get_io_page, page_offset, &ofs, true, true);
+
+	return ((base + sg_dma_address(sg)) >> PAGE_SHIFT) + ofs;
+}
+
 static struct ttm_device_funcs i915_ttm_bo_driver = {
 	.ttm_tt_create = i915_ttm_tt_create,
 	.ttm_tt_unpopulate = i915_ttm_tt_unpopulate,
@@ -353,6 +392,8 @@ static struct ttm_device_funcs i915_ttm_bo_driver = {
 	.move = i915_ttm_move,
 	.swap_notify = i915_ttm_swap_notify,
 	.delete_mem_notify = i915_ttm_delete_mem_notify,
+	.io_mem_reserve = i915_ttm_io_mem_reserve,
+	.io_mem_pfn = i915_ttm_io_mem_pfn,
 };
 
 /**
@@ -460,7 +501,67 @@ static void i915_ttm_delayed_free(struct drm_i915_gem_object *obj)
 	}
 }
 
-static const struct drm_i915_gem_object_ops i915_gem_ttm_obj_ops = {
+static vm_fault_t vm_fault_ttm(struct vm_fault *vmf)
+{
+	struct vm_area_struct *area = vmf->vma;
+	struct drm_i915_gem_object *obj =
+		i915_ttm_to_gem(area->vm_private_data);
+
+	/* Sanity check that we allow writing into this object */
+	if (unlikely(i915_gem_object_is_readonly(obj) &&
+		     area->vm_flags & VM_WRITE))
+		return VM_FAULT_SIGBUS;
+
+	return ttm_bo_vm_fault(vmf);
+}
+
+static int
+vm_access_ttm(struct vm_area_struct *area, unsigned long addr,
+	      void *buf, int len, int write)
+{
+	struct drm_i915_gem_object *obj =
+		i915_ttm_to_gem(area->vm_private_data);
+
+	if (i915_gem_object_is_readonly(obj) && write)
+		return -EACCES;
+
+	return ttm_bo_vm_access(area, addr, buf, len, write);
+}
+
+static void ttm_vm_open(struct vm_area_struct *vma)
+{
+	struct drm_i915_gem_object *obj =
+		i915_ttm_to_gem(vma->vm_private_data);
+
+	GEM_BUG_ON(!obj);
+	i915_gem_object_get(obj);
+}
+
+static void ttm_vm_close(struct vm_area_struct *vma)
+{
+	struct drm_i915_gem_object *obj =
+		i915_ttm_to_gem(vma->vm_private_data);
+
+	GEM_BUG_ON(!obj);
+	i915_gem_object_put(obj);
+}
+
+static const struct vm_operations_struct vm_ops_ttm = {
+	.fault = vm_fault_ttm,
+	.access = vm_access_ttm,
+	.open = ttm_vm_open,
+	.close = ttm_vm_close,
+};
+
+static u64 i915_ttm_mmap_offset(struct drm_i915_gem_object *obj)
+{
+	/* The ttm_bo must be allocated with I915_BO_ALLOC_USER */
+	GEM_BUG_ON(!drm_mm_node_allocated(&obj->base.vma_node.vm_node));
+
+	return drm_vma_node_offset_addr(&obj->base.vma_node);
+}
+
+const struct drm_i915_gem_object_ops i915_gem_ttm_obj_ops = {
 	.name = "i915_gem_object_ttm",
 	.flags = I915_GEM_OBJECT_HAS_IOMEM,
 
@@ -469,6 +570,8 @@ static const struct drm_i915_gem_object_ops i915_gem_ttm_obj_ops = {
 	.truncate = i915_ttm_purge,
 	.adjust_lru = i915_ttm_adjust_lru,
 	.delayed_free = i915_ttm_delayed_free,
+	.mmap_offset = i915_ttm_mmap_offset,
+	.mmap_ops = &vm_ops_ttm,
 };
 
 void i915_ttm_bo_destroy(struct ttm_buffer_object *bo)
@@ -476,6 +579,7 @@ void i915_ttm_bo_destroy(struct ttm_buffer_object *bo)
 	struct drm_i915_gem_object *obj = i915_ttm_to_gem(bo);
 
 	i915_gem_object_release_memory_region(obj);
+	mutex_destroy(&obj->ttm.get_io_page.lock);
 	if (obj->ttm.created)
 		call_rcu(&obj->rcu, __i915_gem_free_object_rcu);
 }
@@ -517,6 +621,8 @@ int __i915_gem_ttm_object_init(struct intel_memory_region *mem,
 	i915_gem_object_make_unshrinkable(obj);
 	obj->read_domains = I915_GEM_DOMAIN_WC | I915_GEM_DOMAIN_GTT;
 	i915_gem_object_set_cache_coherency(obj, I915_CACHE_NONE);
+	INIT_RADIX_TREE(&obj->ttm.get_io_page.radix, GFP_KERNEL | __GFP_NOWARN);
+	mutex_init(&obj->ttm.get_io_page.lock);
 
 	bo_type = (obj->flags & I915_BO_ALLOC_USER) ? ttm_bo_type_device :
 		ttm_bo_type_kernel;
@@ -528,6 +634,7 @@ int __i915_gem_ttm_object_init(struct intel_memory_region *mem,
 	 * Similarly, in delayed_destroy, we can't call ttm_bo_put()
 	 * until successful initialization.
 	 */
+	obj->base.vma_node.driver_private = i915_gem_to_ttm(obj);
 	ret = ttm_bo_init(&i915->bdev, i915_gem_to_ttm(obj), size,
 			  bo_type, &i915_sys_placement, alignment,
 			  true, NULL, NULL, i915_ttm_bo_destroy);
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 3a30955285d6..44b5de06ce64 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
@@ -578,16 +578,17 @@ static bool assert_mmap_offset(struct drm_i915_private *i915,
 			       int expected)
 {
 	struct drm_i915_gem_object *obj;
-	struct i915_mmap_offset *mmo;
+	u64 offset;
+	int ret;
 
 	obj = i915_gem_object_create_internal(i915, size);
 	if (IS_ERR(obj))
-		return false;
+		return expected && expected == PTR_ERR(obj);
 
-	mmo = mmap_offset_attach(obj, I915_MMAP_OFFSET_GTT, NULL);
+	ret = __assign_mmap_offset(obj, I915_MMAP_TYPE_GTT, &offset, NULL);
 	i915_gem_object_put(obj);
 
-	return PTR_ERR_OR_ZERO(mmo) == expected;
+	return ret == expected;
 }
 
 static void disable_retire_worker(struct drm_i915_private *i915)
@@ -622,8 +623,8 @@ static int igt_mmap_offset_exhaustion(void *arg)
 	struct drm_mm *mm = &i915->drm.vma_offset_manager->vm_addr_space_mm;
 	struct drm_i915_gem_object *obj;
 	struct drm_mm_node *hole, *next;
-	struct i915_mmap_offset *mmo;
 	int loop, err = 0;
+	u64 offset;
 
 	/* Disable background reaper */
 	disable_retire_worker(i915);
@@ -684,13 +685,13 @@ static int igt_mmap_offset_exhaustion(void *arg)
 	obj = i915_gem_object_create_internal(i915, PAGE_SIZE);
 	if (IS_ERR(obj)) {
 		err = PTR_ERR(obj);
+		pr_err("Unable to create object for reclaimed hole\n");
 		goto out;
 	}
 
-	mmo = mmap_offset_attach(obj, I915_MMAP_OFFSET_GTT, NULL);
-	if (IS_ERR(mmo)) {
+	err = __assign_mmap_offset(obj, I915_MMAP_TYPE_GTT, &offset, NULL);
+	if (err) {
 		pr_err("Unable to insert object into reclaimed hole\n");
-		err = PTR_ERR(mmo);
 		goto err_obj;
 	}
 
@@ -865,10 +866,10 @@ static int __igt_mmap(struct drm_i915_private *i915,
 		      struct drm_i915_gem_object *obj,
 		      enum i915_mmap_type type)
 {
-	struct i915_mmap_offset *mmo;
 	struct vm_area_struct *area;
 	unsigned long addr;
 	int err, i;
+	u64 offset;
 
 	if (!can_mmap(obj, type))
 		return 0;
@@ -879,11 +880,11 @@ static int __igt_mmap(struct drm_i915_private *i915,
 	if (err)
 		return err;
 
-	mmo = mmap_offset_attach(obj, type, NULL);
-	if (IS_ERR(mmo))
-		return PTR_ERR(mmo);
+	err = __assign_mmap_offset(obj, type, &offset, NULL);
+	if (err)
+		return err;
 
-	addr = igt_mmap_node(i915, &mmo->vma_node, 0, PROT_WRITE, MAP_SHARED);
+	addr = igt_mmap_offset(i915, offset, obj->base.size, PROT_WRITE, MAP_SHARED);
 	if (IS_ERR_VALUE(addr))
 		return addr;
 
@@ -897,13 +898,6 @@ static int __igt_mmap(struct drm_i915_private *i915,
 		goto out_unmap;
 	}
 
-	if (area->vm_private_data != mmo) {
-		pr_err("%s: vm_area_struct did not point back to our mmap_offset object!\n",
-		       obj->mm.region->name);
-		err = -EINVAL;
-		goto out_unmap;
-	}
-
 	for (i = 0; i < obj->base.size / sizeof(u32); i++) {
 		u32 __user *ux = u64_to_user_ptr((u64)(addr + i * sizeof(*ux)));
 		u32 x;
@@ -961,7 +955,7 @@ static int igt_mmap(void *arg)
 			struct drm_i915_gem_object *obj;
 			int err;
 
-			obj = i915_gem_object_create_region(mr, sizes[i], 0);
+			obj = i915_gem_object_create_region(mr, sizes[i], I915_BO_ALLOC_USER);
 			if (obj == ERR_PTR(-ENODEV))
 				continue;
 
@@ -1004,12 +998,12 @@ static int __igt_mmap_access(struct drm_i915_private *i915,
 			     struct drm_i915_gem_object *obj,
 			     enum i915_mmap_type type)
 {
-	struct i915_mmap_offset *mmo;
 	unsigned long __user *ptr;
 	unsigned long A, B;
 	unsigned long x, y;
 	unsigned long addr;
 	int err;
+	u64 offset;
 
 	memset(&A, 0xAA, sizeof(A));
 	memset(&B, 0xBB, sizeof(B));
@@ -1017,11 +1011,11 @@ static int __igt_mmap_access(struct drm_i915_private *i915,
 	if (!can_mmap(obj, type) || !can_access(obj))
 		return 0;
 
-	mmo = mmap_offset_attach(obj, type, NULL);
-	if (IS_ERR(mmo))
-		return PTR_ERR(mmo);
+	err = __assign_mmap_offset(obj, type, &offset, NULL);
+	if (err)
+		return err;
 
-	addr = igt_mmap_node(i915, &mmo->vma_node, 0, PROT_WRITE, MAP_SHARED);
+	addr = igt_mmap_offset(i915, offset, obj->base.size, PROT_WRITE, MAP_SHARED);
 	if (IS_ERR_VALUE(addr))
 		return addr;
 	ptr = (unsigned long __user *)addr;
@@ -1081,7 +1075,7 @@ static int igt_mmap_access(void *arg)
 		struct drm_i915_gem_object *obj;
 		int err;
 
-		obj = i915_gem_object_create_region(mr, PAGE_SIZE, 0);
+		obj = i915_gem_object_create_region(mr, PAGE_SIZE, I915_BO_ALLOC_USER);
 		if (obj == ERR_PTR(-ENODEV))
 			continue;
 
@@ -1111,11 +1105,11 @@ static int __igt_mmap_gpu(struct drm_i915_private *i915,
 			  enum i915_mmap_type type)
 {
 	struct intel_engine_cs *engine;
-	struct i915_mmap_offset *mmo;
 	unsigned long addr;
 	u32 __user *ux;
 	u32 bbe;
 	int err;
+	u64 offset;
 
 	/*
 	 * Verify that the mmap access into the backing store aligns with
@@ -1132,11 +1126,11 @@ static int __igt_mmap_gpu(struct drm_i915_private *i915,
 	if (err)
 		return err;
 
-	mmo = mmap_offset_attach(obj, type, NULL);
-	if (IS_ERR(mmo))
-		return PTR_ERR(mmo);
+	err = __assign_mmap_offset(obj, type, &offset, NULL);
+	if (err)
+		return err;
 
-	addr = igt_mmap_node(i915, &mmo->vma_node, 0, PROT_WRITE, MAP_SHARED);
+	addr = igt_mmap_offset(i915, offset, obj->base.size, PROT_WRITE, MAP_SHARED);
 	if (IS_ERR_VALUE(addr))
 		return addr;
 
@@ -1226,7 +1220,7 @@ static int igt_mmap_gpu(void *arg)
 		struct drm_i915_gem_object *obj;
 		int err;
 
-		obj = i915_gem_object_create_region(mr, PAGE_SIZE, 0);
+		obj = i915_gem_object_create_region(mr, PAGE_SIZE, I915_BO_ALLOC_USER);
 		if (obj == ERR_PTR(-ENODEV))
 			continue;
 
@@ -1303,18 +1297,18 @@ static int __igt_mmap_revoke(struct drm_i915_private *i915,
 			     struct drm_i915_gem_object *obj,
 			     enum i915_mmap_type type)
 {
-	struct i915_mmap_offset *mmo;
 	unsigned long addr;
 	int err;
+	u64 offset;
 
 	if (!can_mmap(obj, type))
 		return 0;
 
-	mmo = mmap_offset_attach(obj, type, NULL);
-	if (IS_ERR(mmo))
-		return PTR_ERR(mmo);
+	err = __assign_mmap_offset(obj, type, &offset, NULL);
+	if (err)
+		return err;
 
-	addr = igt_mmap_node(i915, &mmo->vma_node, 0, PROT_WRITE, MAP_SHARED);
+	addr = igt_mmap_offset(i915, offset, obj->base.size, PROT_WRITE, MAP_SHARED);
 	if (IS_ERR_VALUE(addr))
 		return addr;
 
@@ -1350,10 +1344,20 @@ static int __igt_mmap_revoke(struct drm_i915_private *i915,
 		}
 	}
 
-	err = check_absent(addr, obj->base.size);
-	if (err) {
-		pr_err("%s: was not absent\n", obj->mm.region->name);
-		goto out_unmap;
+	if (!obj->ops->mmap_ops) {
+		err = check_absent(addr, obj->base.size);
+		if (err) {
+			pr_err("%s: was not absent\n", obj->mm.region->name);
+			goto out_unmap;
+		}
+	} else {
+		/* ttm allows access to evicted regions by design */
+
+		err = check_present(addr, obj->base.size);
+		if (err) {
+			pr_err("%s: was not present\n", obj->mm.region->name);
+			goto out_unmap;
+		}
 	}
 
 out_unmap:
@@ -1371,7 +1375,7 @@ static int igt_mmap_revoke(void *arg)
 		struct drm_i915_gem_object *obj;
 		int err;
 
-		obj = i915_gem_object_create_region(mr, PAGE_SIZE, 0);
+		obj = i915_gem_object_create_region(mr, PAGE_SIZE, I915_BO_ALLOC_USER);
 		if (obj == ERR_PTR(-ENODEV))
 			continue;
 
diff --git a/drivers/gpu/drm/i915/selftests/igt_mmap.c b/drivers/gpu/drm/i915/selftests/igt_mmap.c
index 583a4ff8b8c9..e920a461bd36 100644
--- a/drivers/gpu/drm/i915/selftests/igt_mmap.c
+++ b/drivers/gpu/drm/i915/selftests/igt_mmap.c
@@ -9,15 +9,28 @@
 #include "i915_drv.h"
 #include "igt_mmap.h"
 
-unsigned long igt_mmap_node(struct drm_i915_private *i915,
-			    struct drm_vma_offset_node *node,
-			    unsigned long addr,
-			    unsigned long prot,
-			    unsigned long flags)
+unsigned long igt_mmap_offset(struct drm_i915_private *i915,
+			      u64 offset,
+			      unsigned long size,
+			      unsigned long prot,
+			      unsigned long flags)
 {
+	struct drm_vma_offset_node *node;
 	struct file *file;
+	unsigned long addr;
 	int err;
 
+	/* no need to refcount, we own this object */
+	drm_vma_offset_lock_lookup(i915->drm.vma_offset_manager);
+	node = drm_vma_offset_exact_lookup_locked(i915->drm.vma_offset_manager,
+						  offset / PAGE_SIZE, size / PAGE_SIZE);
+	drm_vma_offset_unlock_lookup(i915->drm.vma_offset_manager);
+
+	if (GEM_WARN_ON(!node)) {
+		pr_info("Failed to lookup %llx\n", offset);
+		return -ENOENT;
+	}
+
 	/* Pretend to open("/dev/dri/card0") */
 	file = mock_drm_getfile(i915->drm.primary, O_RDWR);
 	if (IS_ERR(file))
@@ -29,7 +42,7 @@ unsigned long igt_mmap_node(struct drm_i915_private *i915,
 		goto out_file;
 	}
 
-	addr = vm_mmap(file, addr, drm_vma_node_size(node) << PAGE_SHIFT,
+	addr = vm_mmap(file, 0, drm_vma_node_size(node) << PAGE_SHIFT,
 		       prot, flags, drm_vma_node_offset_addr(node));
 
 	drm_vma_node_revoke(node, file->private_data);
diff --git a/drivers/gpu/drm/i915/selftests/igt_mmap.h b/drivers/gpu/drm/i915/selftests/igt_mmap.h
index 6e716cb59d7e..acbe34d81a6d 100644
--- a/drivers/gpu/drm/i915/selftests/igt_mmap.h
+++ b/drivers/gpu/drm/i915/selftests/igt_mmap.h
@@ -7,13 +7,15 @@
 #ifndef IGT_MMAP_H
 #define IGT_MMAP_H
 
+#include <linux/types.h>
+
 struct drm_i915_private;
 struct drm_vma_offset_node;
 
-unsigned long igt_mmap_node(struct drm_i915_private *i915,
-			    struct drm_vma_offset_node *node,
-			    unsigned long addr,
-			    unsigned long prot,
-			    unsigned long flags);
+unsigned long igt_mmap_offset(struct drm_i915_private *i915,
+			      u64 offset,
+			      unsigned long size,
+			      unsigned long prot,
+			      unsigned long flags);
 
 #endif /* IGT_MMAP_H */
-- 
2.31.1

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[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for Move LMEM (VRAM) management over to TTM (rev7)

[Patchwork]

== Series Details ==

Series: Move LMEM (VRAM) management over to TTM (rev7)
URL   : https://patchwork.freedesktop.org/series/90681/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
d8fd5dd73ad8 drm/i915/ttm: Introduce a TTM i915 gem object backend
-:449: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#449: 
new file mode 100644

total: 0 errors, 1 warnings, 0 checks, 1043 lines checked
a5ae182c509d drm/i915/lmem: Verify checks for lmem residency
d8ecdd2ce72b drm/vma: Add a driver_private member to vma_node.
0355e4ef7ec1 drm/i915: Use ttm mmap handling for ttm bo's.


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[Intel-gfx] ✓ Fi.CI.BAT: success for Move LMEM (VRAM) management over to TTM (rev7)

[Patchwork]

[-- Attachment #1.1: Type: text/plain, Size: 5345 bytes --]

== Series Details ==

Series: Move LMEM (VRAM) management over to TTM (rev7)
URL   : https://patchwork.freedesktop.org/series/90681/
State : success

== Summary ==

CI Bug Log - changes from CI_DRM_10202 -> Patchwork_20327
====================================================

Summary
-------

  **SUCCESS**

  No regressions found.

  External URL: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/index.html

Known issues
------------

  Here are the changes found in Patchwork_20327 that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@kms_addfb_basic@addfb25-y-tiled-small-legacy:
    - fi-bdw-5557u:       NOTRUN -> [SKIP][1] ([fdo#109271]) +3 similar issues
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/fi-bdw-5557u/igt@kms_addfb_basic@addfb25-y-tiled-small-legacy.html

  * igt@kms_chamelium@dp-crc-fast:
    - fi-bdw-5557u:       NOTRUN -> [SKIP][2] ([fdo#109271] / [fdo#111827]) +8 similar issues
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/fi-bdw-5557u/igt@kms_chamelium@dp-crc-fast.html

  
#### Possible fixes ####

  * igt@gem_exec_suspend@basic-s3:
    - {fi-tgl-1115g4}:    [FAIL][3] ([i915#1888]) -> [PASS][4]
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/fi-tgl-1115g4/igt@gem_exec_suspend@basic-s3.html
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/fi-tgl-1115g4/igt@gem_exec_suspend@basic-s3.html

  * igt@i915_selftest@live@gt_mocs:
    - {fi-tgl-dsi}:       [DMESG-WARN][5] ([i915#2867]) -> [PASS][6] +6 similar issues
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/fi-tgl-dsi/igt@i915_selftest@live@gt_mocs.html
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/fi-tgl-dsi/igt@i915_selftest@live@gt_mocs.html

  
#### Warnings ####

  * igt@i915_selftest@live@execlists:
    - fi-cfl-8109u:       [INCOMPLETE][7] ([i915#3462]) -> [DMESG-FAIL][8] ([i915#3462])
   [7]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/fi-cfl-8109u/igt@i915_selftest@live@execlists.html
   [8]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/fi-cfl-8109u/igt@i915_selftest@live@execlists.html
    - fi-cml-s:           [INCOMPLETE][9] ([i915#3462]) -> [DMESG-FAIL][10] ([i915#3462])
   [9]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/fi-cml-s/igt@i915_selftest@live@execlists.html
   [10]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/fi-cml-s/igt@i915_selftest@live@execlists.html

  * igt@runner@aborted:
    - fi-cfl-8700k:       [FAIL][11] ([i915#2426] / [i915#3363]) -> [FAIL][12] ([i915#3363])
   [11]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/fi-cfl-8700k/igt@runner@aborted.html
   [12]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/fi-cfl-8700k/igt@runner@aborted.html
    - fi-cfl-8109u:       [FAIL][13] ([i915#3363]) -> [FAIL][14] ([i915#2426] / [i915#3363])
   [13]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/fi-cfl-8109u/igt@runner@aborted.html
   [14]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/fi-cfl-8109u/igt@runner@aborted.html
    - fi-cml-s:           [FAIL][15] ([i915#3363] / [i915#3462]) -> [FAIL][16] ([i915#2082] / [i915#2426] / [i915#3363] / [i915#3462])
   [15]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/fi-cml-s/igt@runner@aborted.html
   [16]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/fi-cml-s/igt@runner@aborted.html
    - fi-cfl-guc:         [FAIL][17] ([i915#2426] / [i915#3363]) -> [FAIL][18] ([i915#3363])
   [17]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/fi-cfl-guc/igt@runner@aborted.html
   [18]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/fi-cfl-guc/igt@runner@aborted.html

  
  {name}: This element is suppressed. This means it is ignored when computing
          the status of the difference (SUCCESS, WARNING, or FAILURE).

  [fdo#109271]: https://bugs.freedesktop.org/show_bug.cgi?id=109271
  [fdo#111827]: https://bugs.freedesktop.org/show_bug.cgi?id=111827
  [i915#1888]: https://gitlab.freedesktop.org/drm/intel/issues/1888
  [i915#2082]: https://gitlab.freedesktop.org/drm/intel/issues/2082
  [i915#2426]: https://gitlab.freedesktop.org/drm/intel/issues/2426
  [i915#2867]: https://gitlab.freedesktop.org/drm/intel/issues/2867
  [i915#3363]: https://gitlab.freedesktop.org/drm/intel/issues/3363
  [i915#3462]: https://gitlab.freedesktop.org/drm/intel/issues/3462


Participating hosts (43 -> 37)
------------------------------

  Missing    (6): fi-ilk-m540 fi-hsw-4200u fi-tgl-u2 bat-adlp-4 fi-bdw-samus bat-jsl-1 


Build changes
-------------

  * Linux: CI_DRM_10202 -> Patchwork_20327

  CI-20190529: 20190529
  CI_DRM_10202: fd6558f89b99a9e2ce6e6f7bfe2c1ccff83064df @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_6103: 3aa79e55e73d4a49a5222e5dfde486b800a29fe7 @ https://gitlab.freedesktop.org/drm/igt-gpu-tools.git
  Patchwork_20327: 0355e4ef7ec177d1b83a30d7206f656a075c38e9 @ git://anongit.freedesktop.org/gfx-ci/linux


== Linux commits ==

0355e4ef7ec1 drm/i915: Use ttm mmap handling for ttm bo's.
d8ecdd2ce72b drm/vma: Add a driver_private member to vma_node.
a5ae182c509d drm/i915/lmem: Verify checks for lmem residency
d8fd5dd73ad8 drm/i915/ttm: Introduce a TTM i915 gem object backend

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/index.html

[-- Attachment #1.2: Type: text/html, Size: 7228 bytes --]

[-- Attachment #2: Type: text/plain, Size: 160 bytes --]

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[Intel-gfx] ✗ Fi.CI.IGT: failure for Move LMEM (VRAM) management over to TTM (rev7)

[Patchwork]

[-- Attachment #1.1: Type: text/plain, Size: 27863 bytes --]

== Series Details ==

Series: Move LMEM (VRAM) management over to TTM (rev7)
URL   : https://patchwork.freedesktop.org/series/90681/
State : failure

== Summary ==

CI Bug Log - changes from CI_DRM_10202_full -> Patchwork_20327_full
====================================================

Summary
-------

  **FAILURE**

  Serious unknown changes coming with Patchwork_20327_full absolutely need to be
  verified manually.
  
  If you think the reported changes have nothing to do with the changes
  introduced in Patchwork_20327_full, please notify your bug team to allow them
  to document this new failure mode, which will reduce false positives in CI.

  

Possible new issues
-------------------

  Here are the unknown changes that may have been introduced in Patchwork_20327_full:

### IGT changes ###

#### Possible regressions ####

  * igt@kms_draw_crc@draw-method-xrgb2101010-mmap-wc-xtiled:
    - shard-skl:          [PASS][1] -> [FAIL][2]
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-skl8/igt@kms_draw_crc@draw-method-xrgb2101010-mmap-wc-xtiled.html
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-skl2/igt@kms_draw_crc@draw-method-xrgb2101010-mmap-wc-xtiled.html

  
Known issues
------------

  Here are the changes found in Patchwork_20327_full that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@gem_create@create-massive:
    - shard-apl:          NOTRUN -> [DMESG-WARN][3] ([i915#3002])
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-apl6/igt@gem_create@create-massive.html

  * igt@gem_ctx_persistence@engines-queued:
    - shard-snb:          NOTRUN -> [SKIP][4] ([fdo#109271] / [i915#1099]) +3 similar issues
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-snb2/igt@gem_ctx_persistence@engines-queued.html

  * igt@gem_ctx_ringsize@active@bcs0:
    - shard-skl:          [PASS][5] -> [INCOMPLETE][6] ([i915#3316])
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-skl9/igt@gem_ctx_ringsize@active@bcs0.html
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-skl5/igt@gem_ctx_ringsize@active@bcs0.html

  * igt@gem_exec_fair@basic-deadline:
    - shard-tglb:         [PASS][7] -> [FAIL][8] ([i915#2846])
   [7]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-tglb1/igt@gem_exec_fair@basic-deadline.html
   [8]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-tglb7/igt@gem_exec_fair@basic-deadline.html

  * igt@gem_exec_fair@basic-none-share@rcs0:
    - shard-tglb:         [PASS][9] -> [FAIL][10] ([i915#2842])
   [9]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-tglb6/igt@gem_exec_fair@basic-none-share@rcs0.html
   [10]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-tglb2/igt@gem_exec_fair@basic-none-share@rcs0.html
    - shard-apl:          [PASS][11] -> [SKIP][12] ([fdo#109271])
   [11]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-apl8/igt@gem_exec_fair@basic-none-share@rcs0.html
   [12]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-apl2/igt@gem_exec_fair@basic-none-share@rcs0.html

  * igt@gem_huc_copy@huc-copy:
    - shard-apl:          NOTRUN -> [SKIP][13] ([fdo#109271] / [i915#2190])
   [13]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-apl1/igt@gem_huc_copy@huc-copy.html
    - shard-kbl:          NOTRUN -> [SKIP][14] ([fdo#109271] / [i915#2190])
   [14]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-kbl6/igt@gem_huc_copy@huc-copy.html

  * igt@gem_vm_create@destroy-race:
    - shard-tglb:         [PASS][15] -> [TIMEOUT][16] ([i915#2795])
   [15]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-tglb6/igt@gem_vm_create@destroy-race.html
   [16]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-tglb2/igt@gem_vm_create@destroy-race.html

  * igt@gem_workarounds@suspend-resume-fd:
    - shard-kbl:          [PASS][17] -> [DMESG-WARN][18] ([i915#180]) +1 similar issue
   [17]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-kbl1/igt@gem_workarounds@suspend-resume-fd.html
   [18]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-kbl2/igt@gem_workarounds@suspend-resume-fd.html

  * igt@i915_suspend@sysfs-reader:
    - shard-apl:          [PASS][19] -> [DMESG-WARN][20] ([i915#180]) +2 similar issues
   [19]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-apl6/igt@i915_suspend@sysfs-reader.html
   [20]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-apl8/igt@i915_suspend@sysfs-reader.html

  * igt@kms_big_fb@linear-16bpp-rotate-0:
    - shard-tglb:         [PASS][21] -> [DMESG-WARN][22] ([i915#2868]) +2 similar issues
   [21]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-tglb5/igt@kms_big_fb@linear-16bpp-rotate-0.html
   [22]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-tglb5/igt@kms_big_fb@linear-16bpp-rotate-0.html

  * igt@kms_chamelium@hdmi-mode-timings:
    - shard-snb:          NOTRUN -> [SKIP][23] ([fdo#109271] / [fdo#111827]) +14 similar issues
   [23]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-snb7/igt@kms_chamelium@hdmi-mode-timings.html

  * igt@kms_chamelium@vga-hpd:
    - shard-apl:          NOTRUN -> [SKIP][24] ([fdo#109271] / [fdo#111827]) +15 similar issues
   [24]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-apl8/igt@kms_chamelium@vga-hpd.html

  * igt@kms_color_chamelium@pipe-d-ctm-max:
    - shard-kbl:          NOTRUN -> [SKIP][25] ([fdo#109271] / [fdo#111827]) +10 similar issues
   [25]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-kbl6/igt@kms_color_chamelium@pipe-d-ctm-max.html

  * igt@kms_content_protection@atomic-dpms:
    - shard-kbl:          NOTRUN -> [TIMEOUT][26] ([i915#1319])
   [26]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-kbl6/igt@kms_content_protection@atomic-dpms.html

  * igt@kms_content_protection@lic:
    - shard-apl:          NOTRUN -> [TIMEOUT][27] ([i915#1319])
   [27]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-apl8/igt@kms_content_protection@lic.html

  * igt@kms_content_protection@uevent:
    - shard-apl:          NOTRUN -> [FAIL][28] ([i915#2105])
   [28]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-apl7/igt@kms_content_protection@uevent.html

  * igt@kms_cursor_crc@pipe-c-cursor-32x10-onscreen:
    - shard-kbl:          NOTRUN -> [SKIP][29] ([fdo#109271]) +104 similar issues
   [29]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-kbl6/igt@kms_cursor_crc@pipe-c-cursor-32x10-onscreen.html

  * igt@kms_cursor_legacy@flip-vs-cursor-legacy:
    - shard-skl:          [PASS][30] -> [FAIL][31] ([i915#2346])
   [30]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-skl4/igt@kms_cursor_legacy@flip-vs-cursor-legacy.html
   [31]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-skl3/igt@kms_cursor_legacy@flip-vs-cursor-legacy.html

  * igt@kms_flip@flip-vs-expired-vblank-interruptible@b-edp1:
    - shard-skl:          [PASS][32] -> [FAIL][33] ([i915#79])
   [32]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-skl5/igt@kms_flip@flip-vs-expired-vblank-interruptible@b-edp1.html
   [33]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-skl7/igt@kms_flip@flip-vs-expired-vblank-interruptible@b-edp1.html

  * igt@kms_flip@plain-flip-fb-recreate-interruptible@a-edp1:
    - shard-skl:          [PASS][34] -> [FAIL][35] ([i915#2122]) +1 similar issue
   [34]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-skl9/igt@kms_flip@plain-flip-fb-recreate-interruptible@a-edp1.html
   [35]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-skl5/igt@kms_flip@plain-flip-fb-recreate-interruptible@a-edp1.html

  * igt@kms_flip_scaled_crc@flip-32bpp-ytile-to-32bpp-ytilegen12rcccs:
    - shard-kbl:          NOTRUN -> [SKIP][36] ([fdo#109271] / [i915#2672])
   [36]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-kbl1/igt@kms_flip_scaled_crc@flip-32bpp-ytile-to-32bpp-ytilegen12rcccs.html

  * igt@kms_flip_scaled_crc@flip-32bpp-ytileccs-to-64bpp-ytile:
    - shard-apl:          NOTRUN -> [SKIP][37] ([fdo#109271] / [i915#2642])
   [37]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-apl1/igt@kms_flip_scaled_crc@flip-32bpp-ytileccs-to-64bpp-ytile.html
    - shard-kbl:          NOTRUN -> [SKIP][38] ([fdo#109271] / [i915#2642])
   [38]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-kbl6/igt@kms_flip_scaled_crc@flip-32bpp-ytileccs-to-64bpp-ytile.html

  * igt@kms_flip_scaled_crc@flip-64bpp-ytile-to-32bpp-ytilercccs:
    - shard-apl:          NOTRUN -> [SKIP][39] ([fdo#109271] / [i915#2672])
   [39]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-apl7/igt@kms_flip_scaled_crc@flip-64bpp-ytile-to-32bpp-ytilercccs.html

  * igt@kms_frontbuffer_tracking@fbc-2p-primscrn-shrfb-msflip-blt:
    - shard-snb:          NOTRUN -> [SKIP][40] ([fdo#109271]) +260 similar issues
   [40]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-snb7/igt@kms_frontbuffer_tracking@fbc-2p-primscrn-shrfb-msflip-blt.html

  * igt@kms_frontbuffer_tracking@fbcpsr-1p-primscrn-spr-indfb-draw-blt:
    - shard-apl:          NOTRUN -> [SKIP][41] ([fdo#109271]) +216 similar issues
   [41]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-apl1/igt@kms_frontbuffer_tracking@fbcpsr-1p-primscrn-spr-indfb-draw-blt.html

  * igt@kms_hdr@bpc-switch-dpms:
    - shard-skl:          [PASS][42] -> [FAIL][43] ([i915#1188]) +1 similar issue
   [42]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-skl6/igt@kms_hdr@bpc-switch-dpms.html
   [43]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-skl10/igt@kms_hdr@bpc-switch-dpms.html

  * igt@kms_pipe_crc_basic@read-crc-pipe-d:
    - shard-apl:          NOTRUN -> [SKIP][44] ([fdo#109271] / [i915#533]) +2 similar issues
   [44]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-apl8/igt@kms_pipe_crc_basic@read-crc-pipe-d.html

  * igt@kms_pipe_crc_basic@suspend-read-crc-pipe-b:
    - shard-kbl:          NOTRUN -> [DMESG-WARN][45] ([i915#180])
   [45]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-kbl4/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-b.html

  * igt@kms_plane_alpha_blend@pipe-a-alpha-opaque-fb:
    - shard-apl:          NOTRUN -> [FAIL][46] ([fdo#108145] / [i915#265]) +2 similar issues
   [46]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-apl3/igt@kms_plane_alpha_blend@pipe-a-alpha-opaque-fb.html

  * igt@kms_plane_alpha_blend@pipe-a-alpha-transparent-fb:
    - shard-apl:          NOTRUN -> [FAIL][47] ([i915#265])
   [47]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-apl7/igt@kms_plane_alpha_blend@pipe-a-alpha-transparent-fb.html

  * igt@kms_plane_alpha_blend@pipe-b-alpha-7efc:
    - shard-kbl:          NOTRUN -> [FAIL][48] ([fdo#108145] / [i915#265]) +1 similar issue
   [48]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-kbl6/igt@kms_plane_alpha_blend@pipe-b-alpha-7efc.html

  * igt@kms_plane_alpha_blend@pipe-c-constant-alpha-min:
    - shard-kbl:          [PASS][49] -> [FAIL][50] ([fdo#108145] / [i915#265])
   [49]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-kbl3/igt@kms_plane_alpha_blend@pipe-c-constant-alpha-min.html
   [50]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-kbl3/igt@kms_plane_alpha_blend@pipe-c-constant-alpha-min.html

  * igt@kms_plane_alpha_blend@pipe-c-coverage-7efc:
    - shard-skl:          [PASS][51] -> [FAIL][52] ([fdo#108145] / [i915#265])
   [51]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-skl2/igt@kms_plane_alpha_blend@pipe-c-coverage-7efc.html
   [52]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-skl9/igt@kms_plane_alpha_blend@pipe-c-coverage-7efc.html

  * igt@kms_psr2_sf@overlay-primary-update-sf-dmg-area-2:
    - shard-kbl:          NOTRUN -> [SKIP][53] ([fdo#109271] / [i915#658])
   [53]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-kbl6/igt@kms_psr2_sf@overlay-primary-update-sf-dmg-area-2.html

  * igt@kms_psr2_sf@primary-plane-update-sf-dmg-area-5:
    - shard-apl:          NOTRUN -> [SKIP][54] ([fdo#109271] / [i915#658]) +3 similar issues
   [54]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-apl7/igt@kms_psr2_sf@primary-plane-update-sf-dmg-area-5.html

  * igt@kms_psr@psr2_cursor_blt:
    - shard-iclb:         [PASS][55] -> [SKIP][56] ([fdo#109441]) +1 similar issue
   [55]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-iclb2/igt@kms_psr@psr2_cursor_blt.html
   [56]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-iclb4/igt@kms_psr@psr2_cursor_blt.html

  * igt@prime_vgem@sync@bcs0:
    - shard-tglb:         [PASS][57] -> [INCOMPLETE][58] ([i915#409])
   [57]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-tglb1/igt@prime_vgem@sync@bcs0.html
   [58]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-tglb3/igt@prime_vgem@sync@bcs0.html

  * igt@sysfs_clients@sema-10:
    - shard-apl:          NOTRUN -> [SKIP][59] ([fdo#109271] / [i915#2994]) +1 similar issue
   [59]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-apl7/igt@sysfs_clients@sema-10.html

  * igt@sysfs_heartbeat_interval@mixed@rcs0:
    - shard-skl:          [PASS][60] -> [FAIL][61] ([i915#1731])
   [60]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-skl8/igt@sysfs_heartbeat_interval@mixed@rcs0.html
   [61]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-skl2/igt@sysfs_heartbeat_interval@mixed@rcs0.html

  
#### Possible fixes ####

  * igt@gem_ctx_isolation@preservation-s3@vecs0:
    - shard-apl:          [DMESG-WARN][62] ([i915#180]) -> [PASS][63]
   [62]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-apl7/igt@gem_ctx_isolation@preservation-s3@vecs0.html
   [63]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-apl1/igt@gem_ctx_isolation@preservation-s3@vecs0.html

  * igt@gem_ctx_persistence@many-contexts:
    - shard-tglb:         [FAIL][64] ([i915#2410]) -> [PASS][65]
   [64]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-tglb3/igt@gem_ctx_persistence@many-contexts.html
   [65]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-tglb1/igt@gem_ctx_persistence@many-contexts.html

  * igt@gem_eio@unwedge-stress:
    - shard-tglb:         [TIMEOUT][66] ([i915#2369] / [i915#3063]) -> [PASS][67]
   [66]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-tglb5/igt@gem_eio@unwedge-stress.html
   [67]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-tglb5/igt@gem_eio@unwedge-stress.html

  * igt@gem_exec_fair@basic-flow@rcs0:
    - shard-tglb:         [FAIL][68] ([i915#2842]) -> [PASS][69] +1 similar issue
   [68]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-tglb7/igt@gem_exec_fair@basic-flow@rcs0.html
   [69]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-tglb8/igt@gem_exec_fair@basic-flow@rcs0.html

  * igt@gem_exec_fair@basic-none@vcs0:
    - shard-kbl:          [FAIL][70] ([i915#2842]) -> [PASS][71] +3 similar issues
   [70]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-kbl2/igt@gem_exec_fair@basic-none@vcs0.html
   [71]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-kbl6/igt@gem_exec_fair@basic-none@vcs0.html

  * igt@gem_exec_fair@basic-throttle@rcs0:
    - shard-iclb:         [FAIL][72] ([i915#2849]) -> [PASS][73]
   [72]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-iclb7/igt@gem_exec_fair@basic-throttle@rcs0.html
   [73]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-iclb3/igt@gem_exec_fair@basic-throttle@rcs0.html

  * igt@gem_mmap_gtt@cpuset-big-copy:
    - shard-iclb:         [FAIL][74] ([i915#307]) -> [PASS][75]
   [74]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-iclb3/igt@gem_mmap_gtt@cpuset-big-copy.html
   [75]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-iclb2/igt@gem_mmap_gtt@cpuset-big-copy.html

  * igt@kms_cursor_crc@pipe-a-cursor-suspend:
    - shard-kbl:          [DMESG-WARN][76] ([i915#180]) -> [PASS][77] +3 similar issues
   [76]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-kbl2/igt@kms_cursor_crc@pipe-a-cursor-suspend.html
   [77]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-kbl6/igt@kms_cursor_crc@pipe-a-cursor-suspend.html

  * igt@kms_flip@plain-flip-fb-recreate@c-edp1:
    - shard-skl:          [FAIL][78] ([i915#2122]) -> [PASS][79]
   [78]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-skl5/igt@kms_flip@plain-flip-fb-recreate@c-edp1.html
   [79]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-skl6/igt@kms_flip@plain-flip-fb-recreate@c-edp1.html

  * igt@kms_plane_alpha_blend@pipe-b-coverage-7efc:
    - shard-skl:          [FAIL][80] ([fdo#108145] / [i915#265]) -> [PASS][81] +1 similar issue
   [80]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-skl10/igt@kms_plane_alpha_blend@pipe-b-coverage-7efc.html
   [81]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-skl4/igt@kms_plane_alpha_blend@pipe-b-coverage-7efc.html

  * igt@kms_psr@psr2_cursor_plane_move:
    - shard-iclb:         [SKIP][82] ([fdo#109441]) -> [PASS][83] +2 similar issues
   [82]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-iclb4/igt@kms_psr@psr2_cursor_plane_move.html
   [83]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-iclb2/igt@kms_psr@psr2_cursor_plane_move.html

  * igt@kms_vblank@pipe-a-ts-continuation-suspend:
    - shard-kbl:          [DMESG-WARN][84] ([i915#180] / [i915#295]) -> [PASS][85]
   [84]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-kbl4/igt@kms_vblank@pipe-a-ts-continuation-suspend.html
   [85]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-kbl4/igt@kms_vblank@pipe-a-ts-continuation-suspend.html

  * igt@perf@polling-parameterized:
    - shard-skl:          [FAIL][86] ([i915#1542]) -> [PASS][87]
   [86]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-skl2/igt@perf@polling-parameterized.html
   [87]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-skl9/igt@perf@polling-parameterized.html

  * igt@perf@polling-small-buf:
    - shard-skl:          [FAIL][88] ([i915#1722]) -> [PASS][89]
   [88]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-skl1/igt@perf@polling-small-buf.html
   [89]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-skl3/igt@perf@polling-small-buf.html

  
#### Warnings ####

  * igt@i915_pm_dc@dc3co-vpb-simulation:
    - shard-iclb:         [SKIP][90] ([i915#588]) -> [SKIP][91] ([i915#658])
   [90]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-iclb2/igt@i915_pm_dc@dc3co-vpb-simulation.html
   [91]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-iclb3/igt@i915_pm_dc@dc3co-vpb-simulation.html

  * igt@i915_selftest@live@execlists:
    - shard-tglb:         [DMESG-FAIL][92] ([i915#3462]) -> [INCOMPLETE][93] ([i915#3462])
   [92]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-tglb2/igt@i915_selftest@live@execlists.html
   [93]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-tglb6/igt@i915_selftest@live@execlists.html

  * igt@kms_psr2_sf@primary-plane-update-sf-dmg-area-2:
    - shard-iclb:         [SKIP][94] ([i915#2920]) -> [SKIP][95] ([i915#658]) +1 similar issue
   [94]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-iclb2/igt@kms_psr2_sf@primary-plane-update-sf-dmg-area-2.html
   [95]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-iclb4/igt@kms_psr2_sf@primary-plane-update-sf-dmg-area-2.html

  * igt@kms_psr2_sf@primary-plane-update-sf-dmg-area-4:
    - shard-iclb:         [SKIP][96] ([i915#658]) -> [SKIP][97] ([i915#2920]) +1 similar issue
   [96]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-iclb4/igt@kms_psr2_sf@primary-plane-update-sf-dmg-area-4.html
   [97]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-iclb2/igt@kms_psr2_sf@primary-plane-update-sf-dmg-area-4.html

  * igt@runner@aborted:
    - shard-kbl:          ([FAIL][98], [FAIL][99], [FAIL][100], [FAIL][101], [FAIL][102], [FAIL][103], [FAIL][104], [FAIL][105]) ([i915#1436] / [i915#180] / [i915#1814] / [i915#2505] / [i915#3002] / [i915#3363] / [i915#602]) -> ([FAIL][106], [FAIL][107], [FAIL][108], [FAIL][109], [FAIL][110], [FAIL][111], [FAIL][112]) ([i915#1436] / [i915#180] / [i915#1814] / [i915#3002] / [i915#3363])
   [98]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-kbl4/igt@runner@aborted.html
   [99]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-kbl3/igt@runner@aborted.html
   [100]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-kbl3/igt@runner@aborted.html
   [101]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-kbl2/igt@runner@aborted.html
   [102]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-kbl4/igt@runner@aborted.html
   [103]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-kbl2/igt@runner@aborted.html
   [104]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-kbl6/igt@runner@aborted.html
   [105]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-kbl4/igt@runner@aborted.html
   [106]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-kbl2/igt@runner@aborted.html
   [107]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-kbl3/igt@runner@aborted.html
   [108]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-kbl2/igt@runner@aborted.html
   [109]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-kbl2/igt@runner@aborted.html
   [110]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-kbl4/igt@runner@aborted.html
   [111]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-kbl3/igt@runner@aborted.html
   [112]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-kbl4/igt@runner@aborted.html
    - shard-apl:          ([FAIL][113], [FAIL][114], [FAIL][115]) ([i915#180] / [i915#3363]) -> ([FAIL][116], [FAIL][117], [FAIL][118], [FAIL][119]) ([fdo#109271] / [i915#180] / [i915#1814] / [i915#3002] / [i915#3363])
   [113]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-apl8/igt@runner@aborted.html
   [114]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-apl7/igt@runner@aborted.html
   [115]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-apl6/igt@runner@aborted.html
   [116]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-apl6/igt@runner@aborted.html
   [117]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-apl8/igt@runner@aborted.html
   [118]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-apl6/igt@runner@aborted.html
   [119]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-apl2/igt@runner@aborted.html
    - shard-tglb:         ([FAIL][120], [FAIL][121], [FAIL][122]) ([i915#1436] / [i915#2426] / [i915#2966] / [i915#3002]) -> ([FAIL][123], [FAIL][124], [FAIL][125], [FAIL][126]) ([i915#1436] / [i915#2426] / [i915#2966] / [i915#3002] / [i915#409])
   [120]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-tglb8/igt@runner@aborted.html
   [121]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-tglb2/igt@runner@aborted.html
   [122]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10202/shard-tglb7/igt@runner@aborted.html
   [123]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-tglb3/igt@runner@aborted.html
   [124]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-tglb3/igt@runner@aborted.html
   [125]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-tglb7/igt@runner@aborted.html
   [126]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/shard-tglb6/igt@runner@aborted.html

  
  [fdo#108145]: https://bugs.freedesktop.org/show_bug.cgi?id=108145
  [fdo#109271]: https://bugs.freedesktop.org/show_bug.cgi?id=109271
  [fdo#109441]: https://bugs.freedesktop.org/show_bug.cgi?id=109441
  [fdo#111827]: https://bugs.freedesktop.org/show_bug.cgi?id=111827
  [i915#1099]: https://gitlab.freedesktop.org/drm/intel/issues/1099
  [i915#1188]: https://gitlab.freedesktop.org/drm/intel/issues/1188
  [i915#1319]: https://gitlab.freedesktop.org/drm/intel/issues/1319
  [i915#1436]: https://gitlab.freedesktop.org/drm/intel/issues/1436
  [i915#1542]: https://gitlab.freedesktop.org/drm/intel/issues/1542
  [i915#1722]: https://gitlab.freedesktop.org/drm/intel/issues/1722
  [i915#1731]: https://gitlab.freedesktop.org/drm/intel/issues/1731
  [i915#180]: https://gitlab.freedesktop.org/drm/intel/issues/180
  [i915#1814]: https://gitlab.freedesktop.org/drm/intel/issues/1814
  [i915#2105]: https://gitlab.freedesktop.org/drm/intel/issues/2105
  [i915#2122]: https://gitlab.freedesktop.org/drm/intel/issues/2122
  [i915#2190]: https://gitlab.freedesktop.org/drm/intel/issues/2190
  [i915#2346]: https://gitlab.freedesktop.org/drm/intel/issues/2346
  [i915#2369]: https://gitlab.freedesktop.org/drm/intel/issues/2369
  [i915#2410]: https://gitlab.freedesktop.org/drm/intel/issues/2410
  [i915#2426]: https://gitlab.freedesktop.org/drm/intel/issues/2426
  [i915#2505]: https://gitlab.freedesktop.org/drm/intel/issues/2505
  [i915#2642]: https://gitlab.freedesktop.org/drm/intel/issues/2642
  [i915#265]: https://gitlab.freedesktop.org/drm/intel/issues/265
  [i915#2672]: https://gitlab.freedesktop.org/drm/intel/issues/2672
  [i915#2795]: https://gitlab.freedesktop.org/drm/intel/issues/2795
  [i915#2842]: https://gitlab.freedesktop.org/drm/intel/issues/2842
  [i915#2846]: https://gitlab.freedesktop.org/drm/intel/issues/2846
  [i915#2849]: https://gitlab.freedesktop.org/drm/intel/issues/2849
  [i915#2868]: https://gitlab.freedesktop.org/drm/intel/issues/2868
  [i915#2920]: https://gitlab.freedesktop.org/drm/intel/issues/2920
  [i915#295]: https://gitlab.freedesktop.org/drm/intel/issues/295
  [i915#2966]: https://gitlab.freedesktop.org/drm/intel/issues/2966
  [i915#2994]: https://gitlab.freedesktop.org/drm/intel/issues/2994
  [i915#3002]: https://gitlab.freedesktop.org/drm/intel/issues/3002
  [i915#3063]: https://gitlab.freedesktop.org/drm/intel/issues/3063
  [i915#307]: https://gitlab.freedesktop.org/drm/intel/issues/307
  [i915#3316]: https://gitlab.freedesktop.org/drm/intel/issues/3316
  [i915#3363]: https://gitlab.freedesktop.org/drm/intel/issues/3363
  [i915#3462]: https://gitlab.freedesktop.org/drm/intel/issues/3462
  [i915#409]: https://gitlab.freedesktop.org/drm/intel/issues/409
  [i915#533]: https://gitlab.freedesktop.org/drm/intel/issues/533
  [i915#588]: https://gitlab.freedesktop.org/drm/intel/issues/588
  [i915#602]: https://gitlab.freedesktop.org/drm/intel/issues/602
  [i915#658]: https://gitlab.freedesktop.org/drm/intel/issues/658
  [i915#79]: https://gitlab.freedesktop.org/drm/intel/issues/79


Participating hosts (11 -> 11)
------------------------------

  No changes in participating hosts


Build changes
-------------

  * Linux: CI_DRM_10202 -> Patchwork_20327

  CI-20190529: 20190529
  CI_DRM_10202: fd6558f89b99a9e2ce6e6f7bfe2c1ccff83064df @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_6103: 3aa79e55e73d4a49a5222e5dfde486b800a29fe7 @ https://gitlab.freedesktop.org/drm/igt-gpu-tools.git
  Patchwork_20327: 0355e4ef7ec177d1b83a30d7206f656a075c38e9 @ git://anongit.freedesktop.org/gfx-ci/linux
  piglit_4509: fdc5a4ca11124ab8413c7988896eec4c97336694 @ git://anongit.freedesktop.org/piglit

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20327/index.html

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[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for Move LMEM (VRAM) management over to TTM (rev8)

[Patchwork]

== Series Details ==

Series: Move LMEM (VRAM) management over to TTM (rev8)
URL   : https://patchwork.freedesktop.org/series/90681/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
e3fbeb1a0738 drm/i915/ttm: Introduce a TTM i915 gem object backend
-:449: WARNING:FILE_PATH_CHANGES: added, moved or deleted file(s), does MAINTAINERS need updating?
#449: 
new file mode 100644

total: 0 errors, 1 warnings, 0 checks, 1043 lines checked
9effed81bcd2 drm/i915/lmem: Verify checks for lmem residency
019ec2f8020c drm/vma: Add a driver_private member to vma_node.
fb01c38fd2c6 drm/i915: Use ttm mmap handling for ttm bo's.


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[Intel-gfx] ✗ Fi.CI.SPARSE: warning for Move LMEM (VRAM) management over to TTM (rev8)

[Patchwork]

== Series Details ==

Series: Move LMEM (VRAM) management over to TTM (rev8)
URL   : https://patchwork.freedesktop.org/series/90681/
State : warning

== Summary ==

$ dim sparse --fast origin/drm-tip
Sparse version: v0.6.2
Fast mode used, each commit won't be checked separately.
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+./drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgv_sriovmsg.h:316:49: error: static assertion failed: "amd_sriov_msg_pf2vf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1345:25: error: incompatible types in comparison expression (different address spaces):
+drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1345:25:    struct dma_fence *
+drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1345:25:    struct dma_fence [noderef] __rcu *
+drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1346:17: error: incompatible types in comparison expression (different address spaces):
+drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1346:17:    struct dma_fence *
+drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1346:17:    struct dma_fence [noderef] __rcu *
+drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1405:17: error: incompatible types in comparison expression (different address spaces):
+drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1405:17:    struct dma_fence *
+drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c:1405:17:    struct dma_fence [noderef] __rcu *
+drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:310:16: error: incompatible types in comparison expression (different type sizes):
+drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:310:16:    unsigned long *
+drivers/gpu/drm/amd/amdgpu/amdgpu_device.c:310:16:    unsigned long long *
+drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c:275:25: error: incompatible types in comparison expression (different address spaces):
+drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c:275:25:    struct dma_fence *
+drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c:275:25:    struct dma_fence [noderef] __rcu *
+drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c:276:17: error: incompatible types in comparison expression (different address spaces):
+drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c:276:17:    struct dma_fence *
+drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c:276:17:    struct dma_fence [noderef] __rcu *
+drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c:330:17: error: incompatible types in comparison expression (different address spaces):
+drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c:330:17:    struct dma_fence *
+drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c:330:17:    struct dma_fence [noderef] __rcu *
+drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.h:90:56: error: marked inline, but without a definition
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error: static assertion failed: "amd_sriov_msg_vf2pf_info must be 1 KB"
+drivers/gpu/drm/amd/amdgpu/amdgv_sriovmsg.h:312:49: error:


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[Intel-gfx] ✓ Fi.CI.BAT: success for Move LMEM (VRAM) management over to TTM (rev8)

[Patchwork]

[-- Attachment #1.1: Type: text/plain, Size: 10078 bytes --]

== Series Details ==

Series: Move LMEM (VRAM) management over to TTM (rev8)
URL   : https://patchwork.freedesktop.org/series/90681/
State : success

== Summary ==

CI Bug Log - changes from CI_DRM_10204 -> Patchwork_20331
====================================================

Summary
-------

  **SUCCESS**

  No regressions found.

  External URL: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/index.html

Known issues
------------

  Here are the changes found in Patchwork_20331 that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@gem_exec_suspend@basic-s0:
    - fi-cfl-8109u:       [PASS][1] -> [INCOMPLETE][2] ([i915#155])
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/fi-cfl-8109u/igt@gem_exec_suspend@basic-s0.html
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/fi-cfl-8109u/igt@gem_exec_suspend@basic-s0.html

  * igt@gem_huc_copy@huc-copy:
    - fi-kbl-x1275:       NOTRUN -> [SKIP][3] ([fdo#109271] / [i915#2190])
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/fi-kbl-x1275/igt@gem_huc_copy@huc-copy.html
    - fi-kbl-guc:         NOTRUN -> [SKIP][4] ([fdo#109271] / [i915#2190])
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/fi-kbl-guc/igt@gem_huc_copy@huc-copy.html

  * igt@i915_pm_rpm@basic-rte:
    - fi-kbl-guc:         NOTRUN -> [FAIL][5] ([i915#3049])
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/fi-kbl-guc/igt@i915_pm_rpm@basic-rte.html

  * igt@i915_selftest@live@execlists:
    - fi-kbl-x1275:       NOTRUN -> [DMESG-FAIL][6] ([i915#3462])
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/fi-kbl-x1275/igt@i915_selftest@live@execlists.html
    - fi-kbl-guc:         NOTRUN -> [DMESG-FAIL][7] ([i915#3462])
   [7]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/fi-kbl-guc/igt@i915_selftest@live@execlists.html

  * igt@kms_addfb_basic@addfb25-y-tiled-small-legacy:
    - fi-bdw-5557u:       NOTRUN -> [SKIP][8] ([fdo#109271]) +3 similar issues
   [8]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/fi-bdw-5557u/igt@kms_addfb_basic@addfb25-y-tiled-small-legacy.html

  * igt@kms_chamelium@dp-crc-fast:
    - fi-bdw-5557u:       NOTRUN -> [SKIP][9] ([fdo#109271] / [fdo#111827]) +8 similar issues
   [9]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/fi-bdw-5557u/igt@kms_chamelium@dp-crc-fast.html

  * igt@kms_chamelium@hdmi-crc-fast:
    - fi-kbl-x1275:       NOTRUN -> [SKIP][10] ([fdo#109271] / [fdo#111827]) +8 similar issues
   [10]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/fi-kbl-x1275/igt@kms_chamelium@hdmi-crc-fast.html

  * igt@kms_chamelium@vga-hpd-fast:
    - fi-kbl-guc:         NOTRUN -> [SKIP][11] ([fdo#109271] / [fdo#111827]) +8 similar issues
   [11]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/fi-kbl-guc/igt@kms_chamelium@vga-hpd-fast.html

  * igt@kms_pipe_crc_basic@compare-crc-sanitycheck-pipe-d:
    - fi-kbl-guc:         NOTRUN -> [SKIP][12] ([fdo#109271] / [i915#533])
   [12]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/fi-kbl-guc/igt@kms_pipe_crc_basic@compare-crc-sanitycheck-pipe-d.html
    - fi-kbl-x1275:       NOTRUN -> [SKIP][13] ([fdo#109271] / [i915#533])
   [13]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/fi-kbl-x1275/igt@kms_pipe_crc_basic@compare-crc-sanitycheck-pipe-d.html

  * igt@kms_pipe_crc_basic@read-crc-pipe-c:
    - fi-kbl-guc:         NOTRUN -> [SKIP][14] ([fdo#109271]) +40 similar issues
   [14]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/fi-kbl-guc/igt@kms_pipe_crc_basic@read-crc-pipe-c.html

  * igt@kms_psr@primary_page_flip:
    - fi-kbl-x1275:       NOTRUN -> [SKIP][15] ([fdo#109271]) +8 similar issues
   [15]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/fi-kbl-x1275/igt@kms_psr@primary_page_flip.html

  * igt@runner@aborted:
    - fi-kbl-x1275:       NOTRUN -> [FAIL][16] ([i915#1436] / [i915#3363])
   [16]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/fi-kbl-x1275/igt@runner@aborted.html
    - fi-bdw-5557u:       NOTRUN -> [FAIL][17] ([i915#1602] / [i915#2029])
   [17]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/fi-bdw-5557u/igt@runner@aborted.html
    - fi-kbl-guc:         NOTRUN -> [FAIL][18] ([i915#1436] / [i915#2426] / [i915#3363])
   [18]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/fi-kbl-guc/igt@runner@aborted.html

  
#### Warnings ####

  * igt@i915_selftest@live@execlists:
    - fi-icl-u2:          [INCOMPLETE][19] ([i915#2782] / [i915#3462]) -> [DMESG-FAIL][20] ([i915#3462])
   [19]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/fi-icl-u2/igt@i915_selftest@live@execlists.html
   [20]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/fi-icl-u2/igt@i915_selftest@live@execlists.html
    - fi-cml-s:           [INCOMPLETE][21] ([i915#3462]) -> [DMESG-FAIL][22] ([i915#3462])
   [21]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/fi-cml-s/igt@i915_selftest@live@execlists.html
   [22]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/fi-cml-s/igt@i915_selftest@live@execlists.html

  * igt@runner@aborted:
    - fi-cfl-8700k:       [FAIL][23] ([i915#3363]) -> [FAIL][24] ([i915#2426] / [i915#3363])
   [23]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/fi-cfl-8700k/igt@runner@aborted.html
   [24]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/fi-cfl-8700k/igt@runner@aborted.html
    - fi-skl-6600u:       [FAIL][25] ([i915#1436] / [i915#2426] / [i915#3363]) -> [FAIL][26] ([i915#1436] / [i915#3363])
   [25]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/fi-skl-6600u/igt@runner@aborted.html
   [26]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/fi-skl-6600u/igt@runner@aborted.html
    - fi-icl-u2:          [FAIL][27] ([i915#2782] / [i915#3363]) -> [FAIL][28] ([i915#2426] / [i915#2782] / [i915#3363])
   [27]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/fi-icl-u2/igt@runner@aborted.html
   [28]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/fi-icl-u2/igt@runner@aborted.html
    - fi-kbl-r:           [FAIL][29] ([i915#1436] / [i915#2426] / [i915#3363]) -> [FAIL][30] ([i915#1436] / [i915#3363])
   [29]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/fi-kbl-r/igt@runner@aborted.html
   [30]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/fi-kbl-r/igt@runner@aborted.html
    - fi-cml-s:           [FAIL][31] ([i915#3363] / [i915#3462]) -> [FAIL][32] ([i915#2082] / [i915#2426] / [i915#3363] / [i915#3462])
   [31]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/fi-cml-s/igt@runner@aborted.html
   [32]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/fi-cml-s/igt@runner@aborted.html
    - fi-skl-guc:         [FAIL][33] ([i915#1436] / [i915#3363]) -> [FAIL][34] ([i915#1436] / [i915#2426] / [i915#3363])
   [33]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/fi-skl-guc/igt@runner@aborted.html
   [34]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/fi-skl-guc/igt@runner@aborted.html
    - fi-skl-6700k2:      [FAIL][35] ([i915#1436] / [i915#2426] / [i915#3363]) -> [FAIL][36] ([i915#1436] / [i915#3363])
   [35]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/fi-skl-6700k2/igt@runner@aborted.html
   [36]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/fi-skl-6700k2/igt@runner@aborted.html

  
  {name}: This element is suppressed. This means it is ignored when computing
          the status of the difference (SUCCESS, WARNING, or FAILURE).

  [fdo#109271]: https://bugs.freedesktop.org/show_bug.cgi?id=109271
  [fdo#109278]: https://bugs.freedesktop.org/show_bug.cgi?id=109278
  [fdo#109284]: https://bugs.freedesktop.org/show_bug.cgi?id=109284
  [fdo#109285]: https://bugs.freedesktop.org/show_bug.cgi?id=109285
  [fdo#111827]: https://bugs.freedesktop.org/show_bug.cgi?id=111827
  [i915#1021]: https://gitlab.freedesktop.org/drm/intel/issues/1021
  [i915#1072]: https://gitlab.freedesktop.org/drm/intel/issues/1072
  [i915#1436]: https://gitlab.freedesktop.org/drm/intel/issues/1436
  [i915#155]: https://gitlab.freedesktop.org/drm/intel/issues/155
  [i915#1602]: https://gitlab.freedesktop.org/drm/intel/issues/1602
  [i915#2029]: https://gitlab.freedesktop.org/drm/intel/issues/2029
  [i915#2082]: https://gitlab.freedesktop.org/drm/intel/issues/2082
  [i915#2190]: https://gitlab.freedesktop.org/drm/intel/issues/2190
  [i915#2426]: https://gitlab.freedesktop.org/drm/intel/issues/2426
  [i915#2505]: https://gitlab.freedesktop.org/drm/intel/issues/2505
  [i915#2782]: https://gitlab.freedesktop.org/drm/intel/issues/2782
  [i915#2932]: https://gitlab.freedesktop.org/drm/intel/issues/2932
  [i915#2966]: https://gitlab.freedesktop.org/drm/intel/issues/2966
  [i915#3049]: https://gitlab.freedesktop.org/drm/intel/issues/3049
  [i915#3301]: https://gitlab.freedesktop.org/drm/intel/issues/3301
  [i915#3363]: https://gitlab.freedesktop.org/drm/intel/issues/3363
  [i915#3462]: https://gitlab.freedesktop.org/drm/intel/issues/3462
  [i915#533]: https://gitlab.freedesktop.org/drm/intel/issues/533


Participating hosts (39 -> 40)
------------------------------

  Additional (4): fi-kbl-x1275 fi-ehl-1 fi-bdw-5557u fi-kbl-guc 
  Missing    (3): fi-ilk-m540 fi-bdw-samus fi-hsw-4200u 


Build changes
-------------

  * Linux: CI_DRM_10204 -> Patchwork_20331

  CI-20190529: 20190529
  CI_DRM_10204: 49f55716c1c64348b925292c6cbaca589a6480e6 @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_6103: 3aa79e55e73d4a49a5222e5dfde486b800a29fe7 @ https://gitlab.freedesktop.org/drm/igt-gpu-tools.git
  Patchwork_20331: fb01c38fd2c6fca80c9a53eb9a8b7569ecbd426c @ git://anongit.freedesktop.org/gfx-ci/linux


== Linux commits ==

fb01c38fd2c6 drm/i915: Use ttm mmap handling for ttm bo's.
019ec2f8020c drm/vma: Add a driver_private member to vma_node.
9effed81bcd2 drm/i915/lmem: Verify checks for lmem residency
e3fbeb1a0738 drm/i915/ttm: Introduce a TTM i915 gem object backend

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/index.html

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_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

[Intel-gfx] ✓ Fi.CI.IGT: success for Move LMEM (VRAM) management over to TTM (rev8)

[Patchwork]

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== Series Details ==

Series: Move LMEM (VRAM) management over to TTM (rev8)
URL   : https://patchwork.freedesktop.org/series/90681/
State : success

== Summary ==

CI Bug Log - changes from CI_DRM_10204_full -> Patchwork_20331_full
====================================================

Summary
-------

  **SUCCESS**

  No regressions found.

  

Possible new issues
-------------------

  Here are the unknown changes that may have been introduced in Patchwork_20331_full:

### Piglit changes ###

#### Possible regressions ####

  * spec@arb_tessellation_shader@execution@tes-input@tes-input-mat3x2_2 (NEW):
    - {pig-icl-1065g7}:   NOTRUN -> [INCOMPLETE][1] +7 similar issues
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/pig-icl-1065g7/spec@arb_tessellation_shader@execution@tes-input@tes-input-mat3x2_2.html

  * spec@arb_tessellation_shader@execution@tes-input@tes-input-patch-uvec3 (NEW):
    - {pig-icl-1065g7}:   NOTRUN -> [CRASH][2]
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/pig-icl-1065g7/spec@arb_tessellation_shader@execution@tes-input@tes-input-patch-uvec3.html

  
New tests
---------

  New tests have been introduced between CI_DRM_10204_full and Patchwork_20331_full:

### New Piglit tests (9) ###

  * spec@arb_tessellation_shader@execution@tes-input@tes-input-ivec3_2:
    - Statuses : 1 incomplete(s)
    - Exec time: [0.0] s

  * spec@arb_tessellation_shader@execution@tes-input@tes-input-mat2x4_2:
    - Statuses : 1 incomplete(s)
    - Exec time: [0.0] s

  * spec@arb_tessellation_shader@execution@tes-input@tes-input-mat3_2:
    - Statuses : 1 incomplete(s)
    - Exec time: [0.0] s

  * spec@arb_tessellation_shader@execution@tes-input@tes-input-mat3x2_2:
    - Statuses : 1 incomplete(s)
    - Exec time: [0.0] s

  * spec@arb_tessellation_shader@execution@tes-input@tes-input-patch-float_2:
    - Statuses : 1 incomplete(s)
    - Exec time: [0.0] s

  * spec@arb_tessellation_shader@execution@tes-input@tes-input-patch-ivec3_2:
    - Statuses : 1 incomplete(s)
    - Exec time: [0.0] s

  * spec@arb_tessellation_shader@execution@tes-input@tes-input-patch-mat4:
    - Statuses : 1 incomplete(s)
    - Exec time: [0.0] s

  * spec@arb_tessellation_shader@execution@tes-input@tes-input-patch-uvec3:
    - Statuses : 1 crash(s)
    - Exec time: [0.46] s

  * spec@arb_tessellation_shader@execution@tes-input@tes-input-uvec3:
    - Statuses : 1 incomplete(s)
    - Exec time: [0.0] s

  

Known issues
------------

  Here are the changes found in Patchwork_20331_full that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@gem_create@create-massive:
    - shard-apl:          NOTRUN -> [DMESG-WARN][3] ([i915#3002])
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-apl3/igt@gem_create@create-massive.html

  * igt@gem_ctx_isolation@preservation-s3@vcs0:
    - shard-kbl:          NOTRUN -> [DMESG-WARN][4] ([i915#180])
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-kbl7/igt@gem_ctx_isolation@preservation-s3@vcs0.html

  * igt@gem_ctx_persistence@legacy-engines-mixed-process:
    - shard-snb:          NOTRUN -> [SKIP][5] ([fdo#109271] / [i915#1099]) +1 similar issue
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-snb5/igt@gem_ctx_persistence@legacy-engines-mixed-process.html

  * igt@gem_ctx_persistence@many-contexts:
    - shard-tglb:         [PASS][6] -> [FAIL][7] ([i915#2410])
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-tglb7/igt@gem_ctx_persistence@many-contexts.html
   [7]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-tglb6/igt@gem_ctx_persistence@many-contexts.html

  * igt@gem_eio@reset-stress:
    - shard-skl:          [PASS][8] -> [FAIL][9] ([i915#2771])
   [8]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-skl7/igt@gem_eio@reset-stress.html
   [9]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-skl7/igt@gem_eio@reset-stress.html

  * igt@gem_exec_fair@basic-pace-share@rcs0:
    - shard-tglb:         [PASS][10] -> [FAIL][11] ([i915#2842])
   [10]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-tglb5/igt@gem_exec_fair@basic-pace-share@rcs0.html
   [11]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-tglb8/igt@gem_exec_fair@basic-pace-share@rcs0.html
    - shard-glk:          [PASS][12] -> [FAIL][13] ([i915#2842]) +1 similar issue
   [12]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-glk4/igt@gem_exec_fair@basic-pace-share@rcs0.html
   [13]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-glk1/igt@gem_exec_fair@basic-pace-share@rcs0.html

  * igt@gem_exec_fair@basic-pace-solo@rcs0:
    - shard-kbl:          [PASS][14] -> [FAIL][15] ([i915#2842]) +1 similar issue
   [14]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-kbl3/igt@gem_exec_fair@basic-pace-solo@rcs0.html
   [15]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-kbl6/igt@gem_exec_fair@basic-pace-solo@rcs0.html

  * igt@gem_huc_copy@huc-copy:
    - shard-apl:          NOTRUN -> [SKIP][16] ([fdo#109271] / [i915#2190])
   [16]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-apl8/igt@gem_huc_copy@huc-copy.html

  * igt@gem_ppgtt@flink-and-close-vma-leak:
    - shard-glk:          [PASS][17] -> [FAIL][18] ([i915#644])
   [17]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-glk7/igt@gem_ppgtt@flink-and-close-vma-leak.html
   [18]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-glk5/igt@gem_ppgtt@flink-and-close-vma-leak.html

  * igt@gem_pread@exhaustion:
    - shard-snb:          NOTRUN -> [WARN][19] ([i915#2658])
   [19]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-snb5/igt@gem_pread@exhaustion.html

  * igt@i915_hangman@engine-error@vecs0:
    - shard-kbl:          NOTRUN -> [SKIP][20] ([fdo#109271]) +14 similar issues
   [20]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-kbl1/igt@i915_hangman@engine-error@vecs0.html

  * igt@kms_async_flips@alternate-sync-async-flip:
    - shard-glk:          [PASS][21] -> [FAIL][22] ([i915#2521])
   [21]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-glk7/igt@kms_async_flips@alternate-sync-async-flip.html
   [22]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-glk9/igt@kms_async_flips@alternate-sync-async-flip.html

  * igt@kms_ccs@pipe-a-ccs-on-another-bo:
    - shard-snb:          NOTRUN -> [SKIP][23] ([fdo#109271]) +123 similar issues
   [23]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-snb5/igt@kms_ccs@pipe-a-ccs-on-another-bo.html

  * igt@kms_chamelium@dp-crc-multiple:
    - shard-apl:          NOTRUN -> [SKIP][24] ([fdo#109271] / [fdo#111827]) +11 similar issues
   [24]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-apl8/igt@kms_chamelium@dp-crc-multiple.html

  * igt@kms_color_chamelium@pipe-a-ctm-0-5:
    - shard-kbl:          NOTRUN -> [SKIP][25] ([fdo#109271] / [fdo#111827])
   [25]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-kbl1/igt@kms_color_chamelium@pipe-a-ctm-0-5.html

  * igt@kms_color_chamelium@pipe-b-ctm-0-25:
    - shard-snb:          NOTRUN -> [SKIP][26] ([fdo#109271] / [fdo#111827]) +7 similar issues
   [26]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-snb5/igt@kms_color_chamelium@pipe-b-ctm-0-25.html

  * igt@kms_content_protection@legacy:
    - shard-apl:          NOTRUN -> [TIMEOUT][27] ([i915#1319])
   [27]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-apl3/igt@kms_content_protection@legacy.html

  * igt@kms_flip@flip-vs-suspend-interruptible@a-dp1:
    - shard-kbl:          [PASS][28] -> [DMESG-WARN][29] ([i915#180]) +5 similar issues
   [28]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-kbl6/igt@kms_flip@flip-vs-suspend-interruptible@a-dp1.html
   [29]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-kbl7/igt@kms_flip@flip-vs-suspend-interruptible@a-dp1.html

  * igt@kms_flip@plain-flip-fb-recreate-interruptible@c-edp1:
    - shard-skl:          [PASS][30] -> [FAIL][31] ([i915#2122]) +3 similar issues
   [30]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-skl9/igt@kms_flip@plain-flip-fb-recreate-interruptible@c-edp1.html
   [31]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-skl6/igt@kms_flip@plain-flip-fb-recreate-interruptible@c-edp1.html

  * igt@kms_flip_scaled_crc@flip-32bpp-ytile-to-64bpp-ytile:
    - shard-apl:          NOTRUN -> [SKIP][32] ([fdo#109271] / [i915#2642]) +1 similar issue
   [32]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-apl8/igt@kms_flip_scaled_crc@flip-32bpp-ytile-to-64bpp-ytile.html

  * igt@kms_frontbuffer_tracking@psr-1p-primscrn-spr-indfb-draw-mmap-wc:
    - shard-skl:          [PASS][33] -> [FAIL][34] ([i915#49]) +1 similar issue
   [33]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-skl6/igt@kms_frontbuffer_tracking@psr-1p-primscrn-spr-indfb-draw-mmap-wc.html
   [34]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-skl9/igt@kms_frontbuffer_tracking@psr-1p-primscrn-spr-indfb-draw-mmap-wc.html

  * igt@kms_hdr@bpc-switch-dpms:
    - shard-skl:          [PASS][35] -> [FAIL][36] ([i915#1188]) +1 similar issue
   [35]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-skl3/igt@kms_hdr@bpc-switch-dpms.html
   [36]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-skl6/igt@kms_hdr@bpc-switch-dpms.html

  * igt@kms_pipe_crc_basic@nonblocking-crc-pipe-d-frame-sequence:
    - shard-apl:          NOTRUN -> [SKIP][37] ([fdo#109271] / [i915#533])
   [37]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-apl8/igt@kms_pipe_crc_basic@nonblocking-crc-pipe-d-frame-sequence.html

  * igt@kms_plane@plane-panning-bottom-right-suspend@pipe-a-planes:
    - shard-apl:          [PASS][38] -> [DMESG-WARN][39] ([i915#180]) +1 similar issue
   [38]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-apl2/igt@kms_plane@plane-panning-bottom-right-suspend@pipe-a-planes.html
   [39]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-apl1/igt@kms_plane@plane-panning-bottom-right-suspend@pipe-a-planes.html

  * igt@kms_plane_alpha_blend@pipe-c-alpha-transparent-fb:
    - shard-apl:          NOTRUN -> [FAIL][40] ([i915#265])
   [40]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-apl8/igt@kms_plane_alpha_blend@pipe-c-alpha-transparent-fb.html

  * igt@kms_plane_alpha_blend@pipe-c-constant-alpha-min:
    - shard-skl:          [PASS][41] -> [FAIL][42] ([fdo#108145] / [i915#265]) +1 similar issue
   [41]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-skl3/igt@kms_plane_alpha_blend@pipe-c-constant-alpha-min.html
   [42]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-skl6/igt@kms_plane_alpha_blend@pipe-c-constant-alpha-min.html

  * igt@kms_psr2_sf@overlay-plane-update-sf-dmg-area-2:
    - shard-apl:          NOTRUN -> [SKIP][43] ([fdo#109271] / [i915#658]) +2 similar issues
   [43]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-apl8/igt@kms_psr2_sf@overlay-plane-update-sf-dmg-area-2.html

  * igt@kms_psr@psr2_sprite_plane_move:
    - shard-iclb:         [PASS][44] -> [SKIP][45] ([fdo#109441]) +1 similar issue
   [44]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-iclb2/igt@kms_psr@psr2_sprite_plane_move.html
   [45]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-iclb6/igt@kms_psr@psr2_sprite_plane_move.html

  * igt@kms_setmode@basic:
    - shard-snb:          NOTRUN -> [FAIL][46] ([i915#31])
   [46]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-snb5/igt@kms_setmode@basic.html

  * igt@nouveau_crc@pipe-b-ctx-flip-skip-current-frame:
    - shard-apl:          NOTRUN -> [SKIP][47] ([fdo#109271]) +125 similar issues
   [47]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-apl3/igt@nouveau_crc@pipe-b-ctx-flip-skip-current-frame.html

  * igt@perf@gen12-mi-rpc:
    - shard-skl:          NOTRUN -> [SKIP][48] ([fdo#109271])
   [48]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-skl6/igt@perf@gen12-mi-rpc.html

  * igt@perf@polling:
    - shard-skl:          [PASS][49] -> [FAIL][50] ([i915#1542]) +1 similar issue
   [49]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-skl2/igt@perf@polling.html
   [50]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-skl4/igt@perf@polling.html

  * igt@syncobj_wait@reset-during-wait-for-submit:
    - shard-glk:          [PASS][51] -> [DMESG-WARN][52] ([i915#118] / [i915#95])
   [51]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-glk1/igt@syncobj_wait@reset-during-wait-for-submit.html
   [52]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-glk4/igt@syncobj_wait@reset-during-wait-for-submit.html

  * igt@sysfs_clients@fair-0:
    - shard-apl:          NOTRUN -> [SKIP][53] ([fdo#109271] / [i915#2994]) +1 similar issue
   [53]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-apl8/igt@sysfs_clients@fair-0.html

  
#### Possible fixes ####

  * igt@gem_ctx_isolation@preservation-s3@bcs0:
    - shard-kbl:          [INCOMPLETE][54] -> [PASS][55]
   [54]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-kbl2/igt@gem_ctx_isolation@preservation-s3@bcs0.html
   [55]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-kbl7/igt@gem_ctx_isolation@preservation-s3@bcs0.html

  * igt@gem_exec_fair@basic-none-share@rcs0:
    - shard-iclb:         [FAIL][56] ([i915#2842]) -> [PASS][57]
   [56]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-iclb2/igt@gem_exec_fair@basic-none-share@rcs0.html
   [57]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-iclb7/igt@gem_exec_fair@basic-none-share@rcs0.html

  * igt@gem_exec_fair@basic-none@rcs0:
    - shard-kbl:          [FAIL][58] ([i915#2842]) -> [PASS][59]
   [58]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-kbl2/igt@gem_exec_fair@basic-none@rcs0.html
   [59]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-kbl1/igt@gem_exec_fair@basic-none@rcs0.html

  * igt@gem_exec_fair@basic-none@vcs0:
    - shard-apl:          [FAIL][60] ([i915#2842]) -> [PASS][61]
   [60]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-apl1/igt@gem_exec_fair@basic-none@vcs0.html
   [61]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-apl6/igt@gem_exec_fair@basic-none@vcs0.html

  * igt@gem_exec_fair@basic-pace-solo@rcs0:
    - shard-glk:          [FAIL][62] ([i915#2842]) -> [PASS][63] +1 similar issue
   [62]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-glk8/igt@gem_exec_fair@basic-pace-solo@rcs0.html
   [63]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-glk8/igt@gem_exec_fair@basic-pace-solo@rcs0.html

  * igt@gem_mmap_gtt@big-copy:
    - shard-skl:          [FAIL][64] ([i915#307]) -> [PASS][65]
   [64]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-skl5/igt@gem_mmap_gtt@big-copy.html
   [65]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-skl10/igt@gem_mmap_gtt@big-copy.html

  * igt@gem_mmap_gtt@cpuset-big-copy-odd:
    - shard-glk:          [FAIL][66] ([i915#307]) -> [PASS][67]
   [66]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-glk6/igt@gem_mmap_gtt@cpuset-big-copy-odd.html
   [67]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-glk5/igt@gem_mmap_gtt@cpuset-big-copy-odd.html

  * igt@gem_mmap_offset@clear:
    - shard-skl:          [FAIL][68] ([i915#3160]) -> [PASS][69]
   [68]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-skl8/igt@gem_mmap_offset@clear.html
   [69]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-skl3/igt@gem_mmap_offset@clear.html

  * igt@gem_ppgtt@blt-vs-render-ctxn:
    - shard-glk:          [DMESG-WARN][70] ([i915#118] / [i915#95]) -> [PASS][71] +1 similar issue
   [70]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-glk1/igt@gem_ppgtt@blt-vs-render-ctxn.html
   [71]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-glk4/igt@gem_ppgtt@blt-vs-render-ctxn.html

  * igt@kms_cursor_crc@pipe-a-cursor-128x42-random:
    - shard-skl:          [FAIL][72] ([i915#3444]) -> [PASS][73]
   [72]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-skl8/igt@kms_cursor_crc@pipe-a-cursor-128x42-random.html
   [73]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-skl3/igt@kms_cursor_crc@pipe-a-cursor-128x42-random.html

  * igt@kms_cursor_legacy@flip-vs-cursor-atomic-transitions:
    - shard-skl:          [FAIL][74] ([i915#2346]) -> [PASS][75]
   [74]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-skl8/igt@kms_cursor_legacy@flip-vs-cursor-atomic-transitions.html
   [75]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-skl3/igt@kms_cursor_legacy@flip-vs-cursor-atomic-transitions.html

  * igt@kms_flip@absolute-wf_vblank-interruptible@a-edp1:
    - shard-skl:          [DMESG-WARN][76] ([i915#1982]) -> [PASS][77]
   [76]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-skl2/igt@kms_flip@absolute-wf_vblank-interruptible@a-edp1.html
   [77]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-skl4/igt@kms_flip@absolute-wf_vblank-interruptible@a-edp1.html

  * igt@kms_flip@flip-vs-suspend-interruptible@c-dp1:
    - shard-apl:          [DMESG-WARN][78] ([i915#180]) -> [PASS][79] +1 similar issue
   [78]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-apl6/igt@kms_flip@flip-vs-suspend-interruptible@c-dp1.html
   [79]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-apl8/igt@kms_flip@flip-vs-suspend-interruptible@c-dp1.html

  * igt@kms_flip@flip-vs-suspend@c-dp1:
    - shard-kbl:          [DMESG-WARN][80] ([i915#180]) -> [PASS][81] +3 similar issues
   [80]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-kbl7/igt@kms_flip@flip-vs-suspend@c-dp1.html
   [81]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-kbl1/igt@kms_flip@flip-vs-suspend@c-dp1.html

  * igt@kms_plane_alpha_blend@pipe-a-constant-alpha-min:
    - shard-skl:          [FAIL][82] ([fdo#108145] / [i915#265]) -> [PASS][83]
   [82]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-skl8/igt@kms_plane_alpha_blend@pipe-a-constant-alpha-min.html
   [83]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-skl3/igt@kms_plane_alpha_blend@pipe-a-constant-alpha-min.html

  * igt@kms_plane_alpha_blend@pipe-c-constant-alpha-min:
    - shard-kbl:          [FAIL][84] ([fdo#108145] / [i915#265]) -> [PASS][85]
   [84]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-kbl2/igt@kms_plane_alpha_blend@pipe-c-constant-alpha-min.html
   [85]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-kbl3/igt@kms_plane_alpha_blend@pipe-c-constant-alpha-min.html

  * igt@kms_psr2_su@frontbuffer:
    - shard-iclb:         [SKIP][86] ([fdo#109642] / [fdo#111068] / [i915#658]) -> [PASS][87]
   [86]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-iclb8/igt@kms_psr2_su@frontbuffer.html
   [87]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-iclb2/igt@kms_psr2_su@frontbuffer.html

  * igt@kms_psr@psr2_cursor_mmap_cpu:
    - shard-iclb:         [SKIP][88] ([fdo#109441]) -> [PASS][89] +1 similar issue
   [88]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-iclb8/igt@kms_psr@psr2_cursor_mmap_cpu.html
   [89]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-iclb2/igt@kms_psr@psr2_cursor_mmap_cpu.html

  * igt@perf@polling-small-buf:
    - shard-skl:          [FAIL][90] ([i915#1722]) -> [PASS][91]
   [90]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-skl4/igt@perf@polling-small-buf.html
   [91]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-skl8/igt@perf@polling-small-buf.html

  
#### Warnings ####

  * igt@gem_exec_fair@basic-throttle@rcs0:
    - shard-iclb:         [FAIL][92] ([i915#2842]) -> [FAIL][93] ([i915#2849])
   [92]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-iclb8/igt@gem_exec_fair@basic-throttle@rcs0.html
   [93]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-iclb2/igt@gem_exec_fair@basic-throttle@rcs0.html

  * igt@i915_pm_rc6_residency@rc6-fence:
    - shard-iclb:         [WARN][94] ([i915#2684]) -> [WARN][95] ([i915#1804] / [i915#2684])
   [94]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-iclb8/igt@i915_pm_rc6_residency@rc6-fence.html
   [95]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-iclb3/igt@i915_pm_rc6_residency@rc6-fence.html

  * igt@i915_pm_rc6_residency@rc6-idle:
    - shard-iclb:         [WARN][96] ([i915#1804] / [i915#2684]) -> [WARN][97] ([i915#2684])
   [96]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-iclb7/igt@i915_pm_rc6_residency@rc6-idle.html
   [97]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-iclb5/igt@i915_pm_rc6_residency@rc6-idle.html

  * igt@kms_psr2_sf@cursor-plane-update-sf:
    - shard-iclb:         [SKIP][98] ([i915#2920]) -> [SKIP][99] ([i915#658]) +2 similar issues
   [98]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-iclb2/igt@kms_psr2_sf@cursor-plane-update-sf.html
   [99]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-iclb7/igt@kms_psr2_sf@cursor-plane-update-sf.html

  * igt@kms_psr2_sf@primary-plane-update-sf-dmg-area-5:
    - shard-iclb:         [SKIP][100] ([i915#658]) -> [SKIP][101] ([i915#2920]) +2 similar issues
   [100]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-iclb8/igt@kms_psr2_sf@primary-plane-update-sf-dmg-area-5.html
   [101]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-iclb2/igt@kms_psr2_sf@primary-plane-update-sf-dmg-area-5.html

  * igt@runner@aborted:
    - shard-iclb:         ([FAIL][102], [FAIL][103], [FAIL][104]) ([i915#2426] / [i915#2782] / [i915#3002]) -> ([FAIL][105], [FAIL][106], [FAIL][107]) ([i915#2782] / [i915#3002])
   [102]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-iclb1/igt@runner@aborted.html
   [103]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-iclb7/igt@runner@aborted.html
   [104]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-iclb4/igt@runner@aborted.html
   [105]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-iclb3/igt@runner@aborted.html
   [106]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-iclb1/igt@runner@aborted.html
   [107]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-iclb4/igt@runner@aborted.html
    - shard-apl:          ([FAIL][108], [FAIL][109], [FAIL][110], [FAIL][111]) ([i915#180] / [i915#1814] / [i915#3363]) -> ([FAIL][112], [FAIL][113], [FAIL][114]) ([i915#180] / [i915#1814] / [i915#3002] / [i915#3363])
   [108]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-apl8/igt@runner@aborted.html
   [109]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-apl7/igt@runner@aborted.html
   [110]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-apl8/igt@runner@aborted.html
   [111]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-apl6/igt@runner@aborted.html
   [112]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-apl1/igt@runner@aborted.html
   [113]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-apl3/igt@runner@aborted.html
   [114]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-apl8/igt@runner@aborted.html
    - shard-skl:          ([FAIL][115], [FAIL][116], [FAIL][117]) ([i915#1436] / [i915#3002] / [i915#3363]) -> ([FAIL][118], [FAIL][119]) ([i915#1436] / [i915#2426] / [i915#3002] / [i915#3363])
   [115]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-skl8/igt@runner@aborted.html
   [116]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-skl10/igt@runner@aborted.html
   [117]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_10204/shard-skl3/igt@runner@aborted.html
   [118]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-skl5/igt@runner@aborted.html
   [119]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/shard-skl1/igt@runner@aborted.html

  
  {name}: This element is suppressed. This means it is ignored when computing
          the status of the difference (SUCCESS, WARNING, or FAILURE).

  [fdo#108145]: https://bugs.freedesktop.org/show_bug.cgi?id=108145
  [fdo#109271]: https://bugs.freedesktop.org/show_bug.cgi?id=109271
  [fdo#109441]: https://bugs.freedesktop.org/show_bug.cgi?id=109441
  [fdo#109642]: https://bugs.freedesktop.org/show_bug.cgi?id=109642
  [fdo#111068]: https://bugs.freedesktop.org/show_bug.cgi?id=111068
  [fdo#111827]: https://bugs.freedesktop.org/show_bug.cgi?id=111827
  [i915#1099]: https://gitlab.freedesktop.org/drm/intel/issues/1099
  [i915#118]: https://gitlab.freedesktop.org/drm/intel/issues/118
  [i915#1188]: https://gitlab.freedesktop.org/drm/intel/issues/1188
  [i915#1319]: https://gitlab.freedesktop.org/drm/intel/issues/1319
  [i915#1436]: https://gitlab.freedesktop.org/drm/intel/issues/1436
  [i915#1542]: https://gitlab.freedesktop.org/drm/intel/issues/1542
  [i915#1722]: https://gitlab.freedesktop.org/drm/intel/issues/1722
  [i915#180]: https://gitlab.freedesktop.org/drm/intel/issues/180
  [i915#1804]: https://gitlab.freedesktop.org/drm/intel/issues/1804
  [i915#1814]: https://gitlab.freedesktop.org/drm/intel/issues/1814
  [i915#1982]: https://gitlab.freedesktop.org/drm/intel/issues/1982
  [i915#2122]: https://gitlab.freedesktop.org/drm/intel/issues/2122
  [i915#2190]: https://gitlab.freedesktop.org/drm/intel/issues/2190
  [i915#2346]: https://gitlab.freedesktop.org/drm/intel/issues/2346
  [i915#2410]: https://gitlab.freedesktop.org/drm/intel/issues/2410
  [i915#2426]: https://gitlab.freedesktop.org/drm/intel/issues/2426
  [i915#2521]: https://gitlab.freedesktop.org/drm/intel/issues/2521
  [i915#2642]: https://gitlab.freedesktop.org/drm/intel/issues/2642
  [i915#265]: https://gitlab.freedesktop.org/drm/intel/issues/265
  [i915#2658]: https://gitlab.freedesktop.org/drm/intel/issues/2658
  [i915#2684]: https://gitlab.freedesktop.org/drm/intel/issues/2684
  [i915#2771]: https://gitlab.freedesktop.org/drm/intel/issues/2771
  [i915#2782]: https://gitlab.freedesktop.org/drm/intel/issues/2782
  [i915#2842]: https://gitlab.freedesktop.org/drm/intel/issues/2842
  [i915#2849]: https://gitlab.freedesktop.org/drm/intel/issues/2849
  [i915#2920]: https://gitlab.freedesktop.org/drm/intel/issues/2920
  [i915#2994]: https://gitlab.freedesktop.org/drm/intel/issues/2994
  [i915#3002]: https://gitlab.freedesktop.org/drm/intel/issues/3002
  [i915#307]: https://gitlab.freedesktop.org/drm/intel/issues/307
  [i915#31]: https://gitlab.freedesktop.org/drm/intel/issues/31
  [i915#3160]: https://gitlab.freedesktop.org/drm/intel/issues/3160
  [i915#3363]: https://gitlab.freedesktop.org/drm/intel/issues/3363
  [i915#3444]: https://gitlab.freedesktop.org/drm/intel/issues/3444
  [i915#49]: https://gitlab.freedesktop.org/drm/intel/issues/49
  [i915#533]: https://gitlab.freedesktop.org/drm/intel/issues/533
  [i915#644]: https://gitlab.freedesktop.org/drm/intel/issues/644
  [i915#658]: https://gitlab.freedesktop.org/drm/intel/issues/658
  [i915#95]: https://gitlab.freedesktop.org/drm/intel/issues/95


Participating hosts (11 -> 11)
------------------------------

  No changes in participating hosts


Build changes
-------------

  * Linux: CI_DRM_10204 -> Patchwork_20331

  CI-20190529: 20190529
  CI_DRM_10204: 49f55716c1c64348b925292c6cbaca589a6480e6 @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_6103: 3aa79e55e73d4a49a5222e5dfde486b800a29fe7 @ https://gitlab.freedesktop.org/drm/igt-gpu-tools.git
  Patchwork_20331: fb01c38fd2c6fca80c9a53eb9a8b7569ecbd426c @ git://anongit.freedesktop.org/gfx-ci/linux
  piglit_4509: fdc5a4ca11124ab8413c7988896eec4c97336694 @ git://anongit.freedesktop.org/piglit

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_20331/index.html

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