[Intel-gfx] [PATCH 1/2] drm/i915: Add lmem fault handler

[Intel-gfx] [PATCH 1/2] drm/i915: Add lmem fault handler

[Abdiel Janulgue]

Fault handler to handle missing pages for lmem objects.

v4: Restore non-contigous fault handling in addition to remap_io_mapping

Signed-off-by: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
---
 drivers/gpu/drm/i915/gem/i915_gem_lmem.c | 13 +++++
 drivers/gpu/drm/i915/gem/i915_gem_lmem.h |  4 ++
 drivers/gpu/drm/i915/gem/i915_gem_mman.c | 71 ++++++++++++++++++++++--
 3 files changed, 84 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_lmem.c b/drivers/gpu/drm/i915/gem/i915_gem_lmem.c
index 520cc9cac471..e8326d8b66f7 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_lmem.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_lmem.c
@@ -6,6 +6,7 @@
 #include "intel_memory_region.h"
 #include "gem/i915_gem_region.h"
 #include "gem/i915_gem_lmem.h"
+#include "gem/i915_gem_mman.h"
 #include "i915_drv.h"
 
 const struct drm_i915_gem_object_ops i915_gem_lmem_obj_ops = {
@@ -56,6 +57,18 @@ i915_gem_object_lmem_io_map(struct drm_i915_gem_object *obj,
 	return io_mapping_map_wc(&obj->mm.region->iomap, offset, size);
 }
 
+unsigned long i915_gem_object_lmem_io_pfn(struct drm_i915_gem_object *obj,
+					  unsigned long n)
+{
+	struct intel_memory_region *mem = obj->mm.region;
+	resource_size_t offset;
+
+	offset = i915_gem_object_get_dma_address(obj, n);
+	offset -= mem->region.start;
+
+	return (mem->io_start + offset) >> PAGE_SHIFT;
+}
+
 bool i915_gem_object_is_lmem(struct drm_i915_gem_object *obj)
 {
 	return obj->ops == &i915_gem_lmem_obj_ops;
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_lmem.h b/drivers/gpu/drm/i915/gem/i915_gem_lmem.h
index 7c176b8b7d2f..4d5fca1a3e0e 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_lmem.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_lmem.h
@@ -7,6 +7,7 @@
 #define __I915_GEM_LMEM_H
 
 #include <linux/types.h>
+#include <linux/mman.h>
 
 struct drm_i915_private;
 struct drm_i915_gem_object;
@@ -22,6 +23,9 @@ void __iomem *
 i915_gem_object_lmem_io_map_page_atomic(struct drm_i915_gem_object *obj,
 					unsigned long n);
 
+unsigned long i915_gem_object_lmem_io_pfn(struct drm_i915_gem_object *obj,
+					  unsigned long n);
+
 bool i915_gem_object_is_lmem(struct drm_i915_gem_object *obj);
 
 struct drm_i915_gem_object *
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
index 879fff8adc48..f5f7af745d1d 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
@@ -11,6 +11,7 @@
 #include "gt/intel_gt.h"
 #include "gt/intel_gt_requests.h"
 
+#include "i915_gem_lmem.h"
 #include "i915_drv.h"
 #include "i915_gem_gtt.h"
 #include "i915_gem_ioctls.h"
@@ -216,6 +217,7 @@ static vm_fault_t i915_error_to_vmf_fault(int err)
 
 	case -ENOSPC: /* shmemfs allocation failure */
 	case -ENOMEM: /* our allocation failure */
+	case -ENXIO:
 		return VM_FAULT_OOM;
 
 	case 0:
@@ -274,6 +276,47 @@ static vm_fault_t vm_fault_cpu(struct vm_fault *vmf)
 	return ret;
 }
 
+vm_fault_t vm_fault_iomem(struct vm_fault *vmf)
+{
+	struct vm_area_struct *area = vmf->vma;
+	struct i915_mmap_offset *priv = area->vm_private_data;
+	struct drm_i915_gem_object *obj = priv->obj;
+	struct intel_memory_region *mem = obj->mm.region;
+	unsigned long i, size = area->vm_end - area->vm_start;
+	bool write = area->vm_flags & VM_WRITE;
+	int ret;
+
+	/* Sanity check that we allow writing into this object */
+	if (i915_gem_object_is_readonly(obj) && write)
+		return VM_FAULT_SIGBUS;
+
+	ret = i915_gem_object_pin_pages(obj);
+	if (ret)
+		return i915_error_to_vmf_fault(ret);
+
+	if (obj->flags & I915_BO_ALLOC_CONTIGUOUS) {
+		ret = remap_io_mapping(area, area->vm_start,
+				       i915_gem_object_lmem_io_pfn(obj, 0), size,
+				       &mem->iomap);
+		i915_gem_object_unpin_pages(obj);
+		return i915_error_to_vmf_fault(ret);
+	} else {
+		vm_fault_t vmf_ret = VM_FAULT_SIGBUS;
+		if (GEM_WARN_ON(size < PAGE_SIZE))
+			return vmf_ret;
+
+		for (i = 0; i < size >> PAGE_SHIFT; i++) {
+			vmf_ret = vmf_insert_pfn(area,
+						 (unsigned long)area->vm_start + i * PAGE_SIZE,
+						 i915_gem_object_lmem_io_pfn(obj, i));
+			if (vmf_ret != VM_FAULT_NOPAGE)
+				break;
+		}
+		i915_gem_object_unpin_pages(obj);
+		return vmf_ret;
+	}
+}
+
 static vm_fault_t vm_fault_gtt(struct vm_fault *vmf)
 {
 #define MIN_CHUNK_PAGES (SZ_1M >> PAGE_SHIFT)
@@ -560,7 +603,8 @@ __assign_mmap_offset(struct drm_file *file,
 	}
 
 	if (mmap_type != I915_MMAP_TYPE_GTT &&
-	    !i915_gem_object_has_struct_page(obj)) {
+	    !i915_gem_object_type_has(obj, I915_GEM_OBJECT_HAS_STRUCT_PAGE |
+				      I915_GEM_OBJECT_HAS_IOMEM)) {
 		err = -ENODEV;
 		goto out;
 	}
@@ -694,6 +738,25 @@ static const struct vm_operations_struct vm_ops_cpu = {
 	.close = vm_close,
 };
 
+static const struct vm_operations_struct vm_ops_iomem = {
+       .fault = vm_fault_iomem,
+       .open = vm_open,
+       .close = vm_close,
+};
+
+static const struct vm_operations_struct *
+get_vm_cpu_ops(struct drm_i915_gem_object *obj)
+{
+	if (i915_gem_object_type_has(obj, I915_GEM_OBJECT_HAS_STRUCT_PAGE))
+		return &vm_ops_cpu;
+
+	if (i915_gem_object_type_has(obj, I915_GEM_OBJECT_HAS_IOMEM))
+		return &vm_ops_iomem;
+
+	GEM_BUG_ON("unknown object type");
+	return NULL;
+}
+
 /*
  * This overcomes the limitation in drm_gem_mmap's assignment of a
  * drm_gem_object as the vma->vm_private_data. Since we need to
@@ -762,18 +825,18 @@ int i915_gem_mmap(struct file *filp, struct vm_area_struct *vma)
 	case I915_MMAP_TYPE_WC:
 		vma->vm_page_prot =
 			pgprot_writecombine(vm_get_page_prot(vma->vm_flags));
-		vma->vm_ops = &vm_ops_cpu;
+		vma->vm_ops = get_vm_cpu_ops(to_intel_bo(obj));
 		break;
 
 	case I915_MMAP_TYPE_WB:
 		vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
-		vma->vm_ops = &vm_ops_cpu;
+		vma->vm_ops = get_vm_cpu_ops(to_intel_bo(obj));
 		break;
 
 	case I915_MMAP_TYPE_UC:
 		vma->vm_page_prot =
 			pgprot_noncached(vm_get_page_prot(vma->vm_flags));
-		vma->vm_ops = &vm_ops_cpu;
+		vma->vm_ops = get_vm_cpu_ops(to_intel_bo(obj));
 		break;
 
 	case I915_MMAP_TYPE_GTT:
-- 
2.23.0

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[Intel-gfx] [PATCH 2/2] drm/i915/selftests: Add selftest for memory region PF handling

[Abdiel Janulgue]

Instead of testing individually our new fault handlers, iterate over all
memory regions and test all from one interface.

Signed-off-by: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
---
 .../drm/i915/gem/selftests/i915_gem_mman.c    | 226 ++++++++++++------
 1 file changed, 153 insertions(+), 73 deletions(-)

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 591435c5f368..e98ec15e7c51 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c
@@ -9,6 +9,8 @@
 #include "gt/intel_engine_pm.h"
 #include "gt/intel_gt.h"
 #include "gt/intel_gt_pm.h"
+#include "gem/i915_gem_lmem.h"
+#include "gem/i915_gem_region.h"
 #include "huge_gem_object.h"
 #include "i915_selftest.h"
 #include "selftests/i915_random.h"
@@ -725,44 +727,94 @@ static int igt_mmap_offset_exhaustion(void *arg)
 	goto out;
 }
 
+typedef int (*obj_set_fn_t)(struct drm_i915_gem_object *obj, bool init);
+
+static int gtt_obj_set(struct drm_i915_gem_object *obj, bool init)
+{
+	u32 __iomem *map;
+	struct i915_vma *vma;
+	int err = 0;
+
+	i915_gem_object_lock(obj);
+	err = i915_gem_object_set_to_gtt_domain(obj, true);
+	i915_gem_object_unlock(obj);
+	if (err)
+		return err;
+
+	vma = i915_gem_object_ggtt_pin(obj, NULL, 0, 0, PIN_MAPPABLE);
+	if (IS_ERR(vma))
+		return PTR_ERR(vma);
+
+	intel_gt_pm_get(vma->vm->gt);
+	map = i915_vma_pin_iomap(vma);
+	i915_vma_unpin(vma);
+	if (IS_ERR(map)) {
+		err = PTR_ERR(map);
+		goto out;
+	}
+
+	if (init) {
+		memset_io(map, POISON_INUSE, PAGE_SIZE);
+		i915_gem_object_flush_map(obj);
+	} else {
+		if (memchr_inv(map, POISON_FREE, PAGE_SIZE)) {
+			pr_err("Write via mmap did not land in backing store\n");
+			err = -EINVAL;
+		}
+	}
+	i915_vma_unpin_iomap(vma);
+
+out:
+	intel_gt_pm_put(vma->vm->gt);
+	return err;
+}
+
+static int cpu_obj_set(struct drm_i915_gem_object *obj, bool init)
+{
+	int err = 0;
+	void *vaddr = i915_gem_object_pin_map(obj, i915_gem_object_is_lmem(obj) ?
+					I915_MAP_WC : I915_MAP_WB);
+	if (IS_ERR(vaddr))
+		return PTR_ERR(vaddr);
+
+	if (init) {
+		memset(vaddr, POISON_INUSE, PAGE_SIZE);
+		i915_gem_object_flush_map(obj);
+	} else {
+		if (memchr_inv(vaddr, POISON_FREE, PAGE_SIZE)) {
+			pr_err("Write via mmap did not land in backing store\n");
+			err = -EINVAL;
+		}
+	}
+	i915_gem_object_unpin_map(obj);
+
+	return err;
+}
+
 #define expand32(x) (((x) << 0) | ((x) << 8) | ((x) << 16) | ((x) << 24))
-static int igt_mmap(void *arg, enum i915_mmap_type type)
+static int igt_mmap(struct drm_i915_private *i915, struct drm_i915_gem_object *obj,
+		    enum i915_mmap_type type, obj_set_fn_t obj_set_fn)
 {
-	struct drm_i915_private *i915 = arg;
-	struct drm_i915_gem_object *obj;
 	struct i915_mmap_offset *mmo;
 	struct vm_area_struct *area;
 	unsigned long addr;
-	void *vaddr;
-	int err = 0, i;
+	int err = 0, out_err = 0, i;
 
-	if (!i915_ggtt_has_aperture(&i915->ggtt))
+	if (!i915_ggtt_has_aperture(&i915->ggtt) &&
+	    type == I915_MMAP_TYPE_GTT)
 		return 0;
 
-	obj = i915_gem_object_create_internal(i915, PAGE_SIZE);
-	if (IS_ERR(obj))
-		return PTR_ERR(obj);
-
-	vaddr = i915_gem_object_pin_map(obj, I915_MAP_WB);
-	if (IS_ERR(vaddr)) {
-		err = PTR_ERR(vaddr);
-		goto out;
-	}
-	memset(vaddr, POISON_INUSE, PAGE_SIZE);
-	i915_gem_object_flush_map(obj);
-	i915_gem_object_unpin_map(obj);
+	err = obj_set_fn(obj, true);
+	if (err)
+		return err;
 
 	mmo = mmap_offset_attach(obj, type, NULL);
-	if (IS_ERR(mmo)) {
-		err = PTR_ERR(mmo);
-		goto out;
-	}
+	if (IS_ERR(mmo))
+		return PTR_ERR(mmo);
 
 	addr = igt_mmap_node(i915, &mmo->vma_node, 0, PROT_WRITE, MAP_SHARED);
-	if (IS_ERR_VALUE(addr)) {
-		err = addr;
-		goto out;
-	}
+	if (IS_ERR_VALUE(addr))
+		return addr;
 
 	pr_debug("igt_mmap() @ %lx\n", addr);
 
@@ -808,31 +860,46 @@ static int igt_mmap(void *arg, enum i915_mmap_type type)
 
 out_unmap:
 	vm_munmap(addr, PAGE_SIZE);
+	out_err = obj_set_fn(obj, false);
+	if (out_err)
+		err = out_err;
 
-	vaddr = i915_gem_object_pin_map(obj, I915_MAP_FORCE_WC);
-	if (IS_ERR(vaddr)) {
-		err = PTR_ERR(vaddr);
-		goto out;
-	}
-	if (err == 0 && memchr_inv(vaddr, POISON_FREE, PAGE_SIZE)) {
-		pr_err("Write via mmap did not land in backing store\n");
-		err = -EINVAL;
-	}
-	i915_gem_object_unpin_map(obj);
-
-out:
-	i915_gem_object_put(obj);
 	return err;
 }
 
-static int igt_mmap_gtt(void *arg)
+static int igt_mmap_memory_regions(void *arg)
 {
-	return igt_mmap(arg, I915_MMAP_TYPE_GTT);
-}
+	struct drm_i915_private *i915 = arg;
+	int i, err = 0;
 
-static int igt_mmap_cpu(void *arg)
-{
-	return igt_mmap(arg, I915_MMAP_TYPE_WC);
+	for (i = 0; i < ARRAY_SIZE(i915->mm.regions); i++) {
+		struct intel_memory_region *mem = i915->mm.regions[i];
+		struct drm_i915_gem_object *obj;
+
+		if (!mem)
+			continue;
+		obj = i915_gem_object_create_region(mem, PAGE_SIZE,
+						    mem->type == INTEL_MEMORY_LOCAL ?
+						    I915_BO_ALLOC_CONTIGUOUS : 0);
+		if (IS_ERR(obj)) {
+			err = PTR_ERR(obj);
+			break;
+		}
+
+		if (!i915_gem_object_type_has(obj,
+					      I915_GEM_OBJECT_HAS_STRUCT_PAGE |
+					      I915_GEM_OBJECT_HAS_IOMEM))
+			err = igt_mmap(i915, obj, I915_MMAP_TYPE_GTT,
+				       gtt_obj_set);
+		else
+			err = igt_mmap(i915, obj, I915_MMAP_TYPE_WC,
+				       cpu_obj_set);
+		i915_gem_object_put(obj);
+		if (err)
+			break;
+	}
+
+	return err;
 }
 
 static int check_present_pte(pte_t *pte, unsigned long addr, void *data)
@@ -887,32 +954,24 @@ static int prefault_range(u64 start, u64 len)
 	return __get_user(c, end - 1);
 }
 
-static int igt_mmap_revoke(void *arg, enum i915_mmap_type type)
+static int igt_mmap_revoke(struct drm_i915_private *i915, struct drm_i915_gem_object *obj,
+			   enum i915_mmap_type type)
 {
-	struct drm_i915_private *i915 = arg;
-	struct drm_i915_gem_object *obj;
 	struct i915_mmap_offset *mmo;
 	unsigned long addr;
 	int err;
 
-	if (!i915_ggtt_has_aperture(&i915->ggtt))
+	if (!i915_ggtt_has_aperture(&i915->ggtt) &&
+	    type == I915_MMAP_TYPE_GTT)
 		return 0;
 
-	obj = i915_gem_object_create_internal(i915, SZ_4M);
-	if (IS_ERR(obj))
-		return PTR_ERR(obj);
-
 	mmo = mmap_offset_attach(obj, type, NULL);
-	if (IS_ERR(mmo)) {
-		err = PTR_ERR(mmo);
-		goto out;
-	}
+	if (IS_ERR(mmo))
+		return PTR_ERR(mmo);
 
 	addr = igt_mmap_node(i915, &mmo->vma_node, 0, PROT_WRITE, MAP_SHARED);
-	if (IS_ERR_VALUE(addr)) {
-		err = addr;
-		goto out;
-	}
+	if (IS_ERR_VALUE(addr))
+		return addr;
 
 	err = prefault_range(addr, obj->base.size);
 	if (err)
@@ -952,19 +1011,42 @@ static int igt_mmap_revoke(void *arg, enum i915_mmap_type type)
 
 out_unmap:
 	vm_munmap(addr, obj->base.size);
-out:
-	i915_gem_object_put(obj);
+
 	return err;
 }
 
-static int igt_mmap_gtt_revoke(void *arg)
+static int igt_mmap_memory_regions_revoke(void *arg)
 {
-	return igt_mmap_revoke(arg, I915_MMAP_TYPE_GTT);
-}
+	struct drm_i915_private *i915 = arg;
+	int i, err = 0;
 
-static int igt_mmap_cpu_revoke(void *arg)
-{
-	return igt_mmap_revoke(arg, I915_MMAP_TYPE_WC);
+	for (i = 0; i < ARRAY_SIZE(i915->mm.regions); i++) {
+		struct intel_memory_region *mem = i915->mm.regions[i];
+		struct drm_i915_gem_object *obj;
+
+		if (!mem)
+			continue;
+		obj = i915_gem_object_create_region(mem, PAGE_SIZE,
+						    mem->type == INTEL_MEMORY_LOCAL ?
+						    I915_BO_ALLOC_CONTIGUOUS : 0);
+		if (IS_ERR(obj)) {
+			err = PTR_ERR(obj);
+			break;
+		}
+
+		if (!i915_gem_object_type_has(obj,
+					      I915_GEM_OBJECT_HAS_STRUCT_PAGE |
+					      I915_GEM_OBJECT_HAS_IOMEM))
+			err = igt_mmap_revoke(i915, obj, I915_MMAP_TYPE_GTT);
+		else
+			err = igt_mmap_revoke(i915, obj, I915_MMAP_TYPE_WC);
+
+		i915_gem_object_put(obj);
+		if (err)
+			break;
+	}
+
+	return err;
 }
 
 int i915_gem_mman_live_selftests(struct drm_i915_private *i915)
@@ -973,10 +1055,8 @@ int i915_gem_mman_live_selftests(struct drm_i915_private *i915)
 		SUBTEST(igt_partial_tiling),
 		SUBTEST(igt_smoke_tiling),
 		SUBTEST(igt_mmap_offset_exhaustion),
-		SUBTEST(igt_mmap_gtt),
-		SUBTEST(igt_mmap_cpu),
-		SUBTEST(igt_mmap_gtt_revoke),
-		SUBTEST(igt_mmap_cpu_revoke),
+		SUBTEST(igt_mmap_memory_regions),
+		SUBTEST(igt_mmap_memory_regions_revoke),
 	};
 
 	return i915_subtests(tests, i915);
-- 
2.23.0

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Re: [Intel-gfx] [PATCH 1/2] drm/i915: Add lmem fault handler

[Chris Wilson]

Quoting Abdiel Janulgue (2019-12-17 11:57:49)
> Fault handler to handle missing pages for lmem objects.
> 
> v4: Restore non-contigous fault handling in addition to remap_io_mapping
> 
> Signed-off-by: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
> Signed-off-by: Matthew Auld <matthew.auld@intel.com>
> Cc: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
> ---
>  drivers/gpu/drm/i915/gem/i915_gem_lmem.c | 13 +++++
>  drivers/gpu/drm/i915/gem/i915_gem_lmem.h |  4 ++
>  drivers/gpu/drm/i915/gem/i915_gem_mman.c | 71 ++++++++++++++++++++++--
>  3 files changed, 84 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/gem/i915_gem_lmem.c b/drivers/gpu/drm/i915/gem/i915_gem_lmem.c
> index 520cc9cac471..e8326d8b66f7 100644
> --- a/drivers/gpu/drm/i915/gem/i915_gem_lmem.c
> +++ b/drivers/gpu/drm/i915/gem/i915_gem_lmem.c
> @@ -6,6 +6,7 @@
>  #include "intel_memory_region.h"
>  #include "gem/i915_gem_region.h"
>  #include "gem/i915_gem_lmem.h"
> +#include "gem/i915_gem_mman.h"
>  #include "i915_drv.h"
>  
>  const struct drm_i915_gem_object_ops i915_gem_lmem_obj_ops = {
> @@ -56,6 +57,18 @@ i915_gem_object_lmem_io_map(struct drm_i915_gem_object *obj,
>         return io_mapping_map_wc(&obj->mm.region->iomap, offset, size);
>  }
>  
> +unsigned long i915_gem_object_lmem_io_pfn(struct drm_i915_gem_object *obj,
> +                                         unsigned long n)
> +{
> +       struct intel_memory_region *mem = obj->mm.region;
> +       resource_size_t offset;
> +
> +       offset = i915_gem_object_get_dma_address(obj, n);
> +       offset -= mem->region.start;
> +
> +       return (mem->io_start + offset) >> PAGE_SHIFT;
> +}
> +
>  bool i915_gem_object_is_lmem(struct drm_i915_gem_object *obj)
>  {
>         return obj->ops == &i915_gem_lmem_obj_ops;
> diff --git a/drivers/gpu/drm/i915/gem/i915_gem_lmem.h b/drivers/gpu/drm/i915/gem/i915_gem_lmem.h
> index 7c176b8b7d2f..4d5fca1a3e0e 100644
> --- a/drivers/gpu/drm/i915/gem/i915_gem_lmem.h
> +++ b/drivers/gpu/drm/i915/gem/i915_gem_lmem.h
> @@ -7,6 +7,7 @@
>  #define __I915_GEM_LMEM_H
>  
>  #include <linux/types.h>
> +#include <linux/mman.h>
>  
>  struct drm_i915_private;
>  struct drm_i915_gem_object;
> @@ -22,6 +23,9 @@ void __iomem *
>  i915_gem_object_lmem_io_map_page_atomic(struct drm_i915_gem_object *obj,
>                                         unsigned long n);
>  
> +unsigned long i915_gem_object_lmem_io_pfn(struct drm_i915_gem_object *obj,
> +                                         unsigned long n);
> +
>  bool i915_gem_object_is_lmem(struct drm_i915_gem_object *obj);
>  
>  struct drm_i915_gem_object *
> diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
> index 879fff8adc48..f5f7af745d1d 100644
> --- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c
> +++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
> @@ -11,6 +11,7 @@
>  #include "gt/intel_gt.h"
>  #include "gt/intel_gt_requests.h"
>  
> +#include "i915_gem_lmem.h"
>  #include "i915_drv.h"
>  #include "i915_gem_gtt.h"
>  #include "i915_gem_ioctls.h"
> @@ -216,6 +217,7 @@ static vm_fault_t i915_error_to_vmf_fault(int err)
>  
>         case -ENOSPC: /* shmemfs allocation failure */
>         case -ENOMEM: /* our allocation failure */
> +       case -ENXIO:
>                 return VM_FAULT_OOM;
>  
>         case 0:
> @@ -274,6 +276,47 @@ static vm_fault_t vm_fault_cpu(struct vm_fault *vmf)
>         return ret;
>  }
>  
> +vm_fault_t vm_fault_iomem(struct vm_fault *vmf)
> +{
> +       struct vm_area_struct *area = vmf->vma;
> +       struct i915_mmap_offset *priv = area->vm_private_data;
> +       struct drm_i915_gem_object *obj = priv->obj;
> +       struct intel_memory_region *mem = obj->mm.region;
> +       unsigned long i, size = area->vm_end - area->vm_start;
> +       bool write = area->vm_flags & VM_WRITE;
> +       int ret;
> +
> +       /* Sanity check that we allow writing into this object */
> +       if (i915_gem_object_is_readonly(obj) && write)
> +               return VM_FAULT_SIGBUS;
> +
> +       ret = i915_gem_object_pin_pages(obj);
> +       if (ret)
> +               return i915_error_to_vmf_fault(ret);
> +
> +       if (obj->flags & I915_BO_ALLOC_CONTIGUOUS) {
> +               ret = remap_io_mapping(area, area->vm_start,
> +                                      i915_gem_object_lmem_io_pfn(obj, 0), size,
> +                                      &mem->iomap);
> +               i915_gem_object_unpin_pages(obj);
> +               return i915_error_to_vmf_fault(ret);
> +       } else {
> +               vm_fault_t vmf_ret = VM_FAULT_SIGBUS;
> +               if (GEM_WARN_ON(size < PAGE_SIZE))
> +                       return vmf_ret;
> +
> +               for (i = 0; i < size >> PAGE_SHIFT; i++) {
> +                       vmf_ret = vmf_insert_pfn(area,
> +                                                (unsigned long)area->vm_start + i * PAGE_SIZE,
> +                                                i915_gem_object_lmem_io_pfn(obj, i));

Sigh.
-Chris
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Re: [Intel-gfx] [PATCH 1/2] drm/i915: Add lmem fault handler

[Abdiel Janulgue]

On 17/12/2019 14.14, Chris Wilson wrote:
> Quoting Abdiel Janulgue (2019-12-17 11:57:49)
>> Fault handler to handle missing pages for lmem objects.
>>
>> v4: Restore non-contigous fault handling in addition to remap_io_mapping
>>
>> Signed-off-by: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
>> Signed-off-by: Matthew Auld <matthew.auld@intel.com>
>> Cc: Chris Wilson <chris@chris-wilson.co.uk>
>> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
>> ---
>>  drivers/gpu/drm/i915/gem/i915_gem_lmem.c | 13 +++++
>>  drivers/gpu/drm/i915/gem/i915_gem_lmem.h |  4 ++
>>  drivers/gpu/drm/i915/gem/i915_gem_mman.c | 71 ++++++++++++++++++++++--
>>  3 files changed, 84 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/i915/gem/i915_gem_lmem.c b/drivers/gpu/drm/i915/gem/i915_gem_lmem.c
>> index 520cc9cac471..e8326d8b66f7 100644
>> --- a/drivers/gpu/drm/i915/gem/i915_gem_lmem.c
>> +++ b/drivers/gpu/drm/i915/gem/i915_gem_lmem.c
>> @@ -6,6 +6,7 @@
>>  #include "intel_memory_region.h"
>>  #include "gem/i915_gem_region.h"
>>  #include "gem/i915_gem_lmem.h"
>> +#include "gem/i915_gem_mman.h"
>>  #include "i915_drv.h"
>>  
>>  const struct drm_i915_gem_object_ops i915_gem_lmem_obj_ops = {
>> @@ -56,6 +57,18 @@ i915_gem_object_lmem_io_map(struct drm_i915_gem_object *obj,
>>         return io_mapping_map_wc(&obj->mm.region->iomap, offset, size);
>>  }
>>  
>> +unsigned long i915_gem_object_lmem_io_pfn(struct drm_i915_gem_object *obj,
>> +                                         unsigned long n)
>> +{
>> +       struct intel_memory_region *mem = obj->mm.region;
>> +       resource_size_t offset;
>> +
>> +       offset = i915_gem_object_get_dma_address(obj, n);
>> +       offset -= mem->region.start;
>> +
>> +       return (mem->io_start + offset) >> PAGE_SHIFT;
>> +}
>> +
>>  bool i915_gem_object_is_lmem(struct drm_i915_gem_object *obj)
>>  {
>>         return obj->ops == &i915_gem_lmem_obj_ops;
>> diff --git a/drivers/gpu/drm/i915/gem/i915_gem_lmem.h b/drivers/gpu/drm/i915/gem/i915_gem_lmem.h
>> index 7c176b8b7d2f..4d5fca1a3e0e 100644
>> --- a/drivers/gpu/drm/i915/gem/i915_gem_lmem.h
>> +++ b/drivers/gpu/drm/i915/gem/i915_gem_lmem.h
>> @@ -7,6 +7,7 @@
>>  #define __I915_GEM_LMEM_H
>>  
>>  #include <linux/types.h>
>> +#include <linux/mman.h>
>>  
>>  struct drm_i915_private;
>>  struct drm_i915_gem_object;
>> @@ -22,6 +23,9 @@ void __iomem *
>>  i915_gem_object_lmem_io_map_page_atomic(struct drm_i915_gem_object *obj,
>>                                         unsigned long n);
>>  
>> +unsigned long i915_gem_object_lmem_io_pfn(struct drm_i915_gem_object *obj,
>> +                                         unsigned long n);
>> +
>>  bool i915_gem_object_is_lmem(struct drm_i915_gem_object *obj);
>>  
>>  struct drm_i915_gem_object *
>> diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
>> index 879fff8adc48..f5f7af745d1d 100644
>> --- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c
>> +++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
>> @@ -11,6 +11,7 @@
>>  #include "gt/intel_gt.h"
>>  #include "gt/intel_gt_requests.h"
>>  
>> +#include "i915_gem_lmem.h"
>>  #include "i915_drv.h"
>>  #include "i915_gem_gtt.h"
>>  #include "i915_gem_ioctls.h"
>> @@ -216,6 +217,7 @@ static vm_fault_t i915_error_to_vmf_fault(int err)
>>  
>>         case -ENOSPC: /* shmemfs allocation failure */
>>         case -ENOMEM: /* our allocation failure */
>> +       case -ENXIO:
>>                 return VM_FAULT_OOM;
>>  
>>         case 0:
>> @@ -274,6 +276,47 @@ static vm_fault_t vm_fault_cpu(struct vm_fault *vmf)
>>         return ret;
>>  }
>>  
>> +vm_fault_t vm_fault_iomem(struct vm_fault *vmf)
>> +{
>> +       struct vm_area_struct *area = vmf->vma;
>> +       struct i915_mmap_offset *priv = area->vm_private_data;
>> +       struct drm_i915_gem_object *obj = priv->obj;
>> +       struct intel_memory_region *mem = obj->mm.region;
>> +       unsigned long i, size = area->vm_end - area->vm_start;
>> +       bool write = area->vm_flags & VM_WRITE;
>> +       int ret;
>> +
>> +       /* Sanity check that we allow writing into this object */
>> +       if (i915_gem_object_is_readonly(obj) && write)
>> +               return VM_FAULT_SIGBUS;
>> +
>> +       ret = i915_gem_object_pin_pages(obj);
>> +       if (ret)
>> +               return i915_error_to_vmf_fault(ret);
>> +
>> +       if (obj->flags & I915_BO_ALLOC_CONTIGUOUS) {
>> +               ret = remap_io_mapping(area, area->vm_start,
>> +                                      i915_gem_object_lmem_io_pfn(obj, 0), size,
>> +                                      &mem->iomap);
>> +               i915_gem_object_unpin_pages(obj);
>> +               return i915_error_to_vmf_fault(ret);
>> +       } else {
>> +               vm_fault_t vmf_ret = VM_FAULT_SIGBUS;
>> +               if (GEM_WARN_ON(size < PAGE_SIZE))
>> +                       return vmf_ret;
>> +
>> +               for (i = 0; i < size >> PAGE_SHIFT; i++) {
>> +                       vmf_ret = vmf_insert_pfn(area,
>> +                                                (unsigned long)area->vm_start + i * PAGE_SIZE,
>> +                                                i915_gem_object_lmem_io_pfn(obj, i));
> 
> Sigh.

:( if you really need remap_io_mapping, I'm afraid I need help with this.

> -Chris
> 
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[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for series starting with [1/2] drm/i915: Add lmem fault handler

[Patchwork]

== Series Details ==

Series: series starting with [1/2] drm/i915: Add lmem fault handler
URL   : https://patchwork.freedesktop.org/series/71051/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
21b92ebb9c01 drm/i915: Add lmem fault handler
-:116: WARNING:UNNECESSARY_ELSE: else is not generally useful after a break or return
#116: FILE: drivers/gpu/drm/i915/gem/i915_gem_mman.c:303:
+		return i915_error_to_vmf_fault(ret);
+	} else {

-:118: WARNING:LINE_SPACING: Missing a blank line after declarations
#118: FILE: drivers/gpu/drm/i915/gem/i915_gem_mman.c:305:
+		vm_fault_t vmf_ret = VM_FAULT_SIGBUS;
+		if (GEM_WARN_ON(size < PAGE_SIZE))

-:151: WARNING:LEADING_SPACE: please, no spaces at the start of a line
#151: FILE: drivers/gpu/drm/i915/gem/i915_gem_mman.c:742:
+       .fault = vm_fault_iomem,$

-:152: WARNING:LEADING_SPACE: please, no spaces at the start of a line
#152: FILE: drivers/gpu/drm/i915/gem/i915_gem_mman.c:743:
+       .open = vm_open,$

-:153: WARNING:LEADING_SPACE: please, no spaces at the start of a line
#153: FILE: drivers/gpu/drm/i915/gem/i915_gem_mman.c:744:
+       .close = vm_close,$

total: 0 errors, 5 warnings, 0 checks, 157 lines checked
ded079f2d6fc drm/i915/selftests: Add selftest for memory region PF handling

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[Intel-gfx] ✗ Fi.CI.SPARSE: warning for series starting with [1/2] drm/i915: Add lmem fault handler

[Patchwork]

== Series Details ==

Series: series starting with [1/2] drm/i915: Add lmem fault handler
URL   : https://patchwork.freedesktop.org/series/71051/
State : warning

== Summary ==

$ dim sparse origin/drm-tip
Sparse version: v0.6.0
Commit: drm/i915: Add lmem fault handler
-
+drivers/gpu/drm/i915/gem/i915_gem_mman.c:279:12: warning: symbol 'vm_fault_iomem' was not declared. Should it be static?

Commit: drm/i915/selftests: Add selftest for memory region PF handling
+drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c:760:32:    expected void const *s
+drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c:760:32:    got unsigned int [noderef] [usertype] <asn:2> *[assigned] map
+drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c:760:32: warning: incorrect type in argument 1 (different address spaces)

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[Intel-gfx] ✗ Fi.CI.BAT: failure for series starting with [1/2] drm/i915: Add lmem fault handler

[Patchwork]

== Series Details ==

Series: series starting with [1/2] drm/i915: Add lmem fault handler
URL   : https://patchwork.freedesktop.org/series/71051/
State : failure

== Summary ==

CI Bug Log - changes from CI_DRM_7580 -> Patchwork_15810
====================================================

Summary
-------

  **FAILURE**

  Serious unknown changes coming with Patchwork_15810 absolutely need to be
  verified manually.
  
  If you think the reported changes have nothing to do with the changes
  introduced in Patchwork_15810, please notify your bug team to allow them
  to document this new failure mode, which will reduce false positives in CI.

  External URL: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/index.html

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

  Here are the unknown changes that may have been introduced in Patchwork_15810:

### IGT changes ###

#### Possible regressions ####

  * igt@i915_selftest@live_mman:
    - fi-ilk-650:         [PASS][1] -> [INCOMPLETE][2]
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-ilk-650/igt@i915_selftest@live_mman.html
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-ilk-650/igt@i915_selftest@live_mman.html
    - fi-bsw-n3050:       NOTRUN -> [INCOMPLETE][3]
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-bsw-n3050/igt@i915_selftest@live_mman.html
    - fi-ivb-3770:        [PASS][4] -> [DMESG-FAIL][5]
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-ivb-3770/igt@i915_selftest@live_mman.html
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-ivb-3770/igt@i915_selftest@live_mman.html
    - fi-hsw-4770r:       [PASS][6] -> [DMESG-FAIL][7]
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-hsw-4770r/igt@i915_selftest@live_mman.html
   [7]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-hsw-4770r/igt@i915_selftest@live_mman.html
    - fi-bsw-kefka:       [PASS][8] -> [INCOMPLETE][9]
   [8]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-bsw-kefka/igt@i915_selftest@live_mman.html
   [9]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-bsw-kefka/igt@i915_selftest@live_mman.html
    - fi-blb-e6850:       [PASS][10] -> [INCOMPLETE][11]
   [10]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-blb-e6850/igt@i915_selftest@live_mman.html
   [11]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-blb-e6850/igt@i915_selftest@live_mman.html
    - fi-bwr-2160:        [PASS][12] -> [INCOMPLETE][13]
   [12]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-bwr-2160/igt@i915_selftest@live_mman.html
   [13]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-bwr-2160/igt@i915_selftest@live_mman.html
    - fi-kbl-8809g:       [PASS][14] -> [DMESG-FAIL][15]
   [14]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-kbl-8809g/igt@i915_selftest@live_mman.html
   [15]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-kbl-8809g/igt@i915_selftest@live_mman.html
    - fi-bsw-nick:        [PASS][16] -> [INCOMPLETE][17]
   [16]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-bsw-nick/igt@i915_selftest@live_mman.html
   [17]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-bsw-nick/igt@i915_selftest@live_mman.html

  * igt@runner@aborted:
    - fi-ilk-650:         NOTRUN -> [FAIL][18]
   [18]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-ilk-650/igt@runner@aborted.html
    - fi-pnv-d510:        NOTRUN -> [FAIL][19]
   [19]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-pnv-d510/igt@runner@aborted.html
    - fi-bxt-dsi:         NOTRUN -> [FAIL][20]
   [20]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-bxt-dsi/igt@runner@aborted.html
    - fi-bsw-n3050:       NOTRUN -> [FAIL][21]
   [21]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-bsw-n3050/igt@runner@aborted.html
    - fi-blb-e6850:       NOTRUN -> [FAIL][22]
   [22]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-blb-e6850/igt@runner@aborted.html
    - fi-bsw-kefka:       NOTRUN -> [FAIL][23]
   [23]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-bsw-kefka/igt@runner@aborted.html
    - fi-bsw-nick:        NOTRUN -> [FAIL][24]
   [24]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-bsw-nick/igt@runner@aborted.html
    - fi-elk-e7500:       NOTRUN -> [FAIL][25]
   [25]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-elk-e7500/igt@runner@aborted.html

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

  Here are the changes found in Patchwork_15810 that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@gem_exec_gttfill@basic:
    - fi-tgl-y:           [PASS][26] -> [INCOMPLETE][27] ([fdo#111593])
   [26]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-tgl-y/igt@gem_exec_gttfill@basic.html
   [27]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-tgl-y/igt@gem_exec_gttfill@basic.html

  * igt@i915_selftest@live_blt:
    - fi-ivb-3770:        [PASS][28] -> [DMESG-FAIL][29] ([i915#725])
   [28]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-ivb-3770/igt@i915_selftest@live_blt.html
   [29]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-ivb-3770/igt@i915_selftest@live_blt.html
    - fi-hsw-4770r:       [PASS][30] -> [DMESG-FAIL][31] ([i915#725])
   [30]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-hsw-4770r/igt@i915_selftest@live_blt.html
   [31]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-hsw-4770r/igt@i915_selftest@live_blt.html

  * igt@i915_selftest@live_gem_contexts:
    - fi-hsw-peppy:       [PASS][32] -> [INCOMPLETE][33] ([i915#694])
   [32]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-hsw-peppy/igt@i915_selftest@live_gem_contexts.html
   [33]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-hsw-peppy/igt@i915_selftest@live_gem_contexts.html
    - fi-hsw-4770r:       [PASS][34] -> [DMESG-FAIL][35] ([i915#722])
   [34]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-hsw-4770r/igt@i915_selftest@live_gem_contexts.html
   [35]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-hsw-4770r/igt@i915_selftest@live_gem_contexts.html

  * igt@i915_selftest@live_mman:
    - fi-bxt-dsi:         [PASS][36] -> [INCOMPLETE][37] ([fdo#103927])
   [36]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-bxt-dsi/igt@i915_selftest@live_mman.html
   [37]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-bxt-dsi/igt@i915_selftest@live_mman.html
    - fi-glk-dsi:         [PASS][38] -> [INCOMPLETE][39] ([i915#58] / [k.org#198133])
   [38]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-glk-dsi/igt@i915_selftest@live_mman.html
   [39]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-glk-dsi/igt@i915_selftest@live_mman.html
    - fi-byt-j1900:       [PASS][40] -> [INCOMPLETE][41] ([i915#45])
   [40]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-byt-j1900/igt@i915_selftest@live_mman.html
   [41]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-byt-j1900/igt@i915_selftest@live_mman.html
    - fi-elk-e7500:       [PASS][42] -> [INCOMPLETE][43] ([i915#66])
   [42]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-elk-e7500/igt@i915_selftest@live_mman.html
   [43]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-elk-e7500/igt@i915_selftest@live_mman.html
    - fi-apl-guc:         [PASS][44] -> [INCOMPLETE][45] ([fdo#103927])
   [44]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-apl-guc/igt@i915_selftest@live_mman.html
   [45]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-apl-guc/igt@i915_selftest@live_mman.html
    - fi-pnv-d510:        [PASS][46] -> [INCOMPLETE][47] ([i915#299])
   [46]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-pnv-d510/igt@i915_selftest@live_mman.html
   [47]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-pnv-d510/igt@i915_selftest@live_mman.html

  * igt@kms_chamelium@hdmi-hpd-fast:
    - fi-kbl-7500u:       [PASS][48] -> [FAIL][49] ([fdo#111407])
   [48]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-kbl-7500u/igt@kms_chamelium@hdmi-hpd-fast.html
   [49]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-kbl-7500u/igt@kms_chamelium@hdmi-hpd-fast.html

  * igt@kms_pipe_crc_basic@suspend-read-crc-pipe-a:
    - fi-icl-u2:          [PASS][50] -> [INCOMPLETE][51] ([i915#140])
   [50]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-icl-u2/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-a.html
   [51]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-icl-u2/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-a.html

  
#### Possible fixes ####

  * igt@gem_close_race@basic-threads:
    - fi-byt-n2820:       [TIMEOUT][52] ([i915#816]) -> [PASS][53]
   [52]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-byt-n2820/igt@gem_close_race@basic-threads.html
   [53]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-byt-n2820/igt@gem_close_race@basic-threads.html

  * igt@i915_selftest@live_blt:
    - fi-hsw-4770:        [DMESG-FAIL][54] ([i915#553] / [i915#725]) -> [PASS][55]
   [54]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-hsw-4770/igt@i915_selftest@live_blt.html
   [55]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-hsw-4770/igt@i915_selftest@live_blt.html

  * igt@i915_selftest@live_gem_contexts:
    - fi-skl-lmem:        [INCOMPLETE][56] ([i915#424]) -> [PASS][57]
   [56]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-skl-lmem/igt@i915_selftest@live_gem_contexts.html
   [57]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-skl-lmem/igt@i915_selftest@live_gem_contexts.html

  
#### Warnings ####

  * igt@gem_exec_suspend@basic-s4-devices:
    - fi-kbl-x1275:       [DMESG-WARN][58] ([fdo#107139] / [i915#62] / [i915#92]) -> [DMESG-WARN][59] ([fdo#107139] / [i915#62] / [i915#92] / [i915#95])
   [58]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-kbl-x1275/igt@gem_exec_suspend@basic-s4-devices.html
   [59]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-kbl-x1275/igt@gem_exec_suspend@basic-s4-devices.html

  * igt@kms_cursor_legacy@basic-busy-flip-before-cursor-legacy:
    - fi-kbl-x1275:       [DMESG-WARN][60] ([i915#62] / [i915#92]) -> [DMESG-WARN][61] ([i915#62] / [i915#92] / [i915#95]) +2 similar issues
   [60]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-kbl-x1275/igt@kms_cursor_legacy@basic-busy-flip-before-cursor-legacy.html
   [61]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-kbl-x1275/igt@kms_cursor_legacy@basic-busy-flip-before-cursor-legacy.html

  * igt@kms_flip@basic-flip-vs-modeset:
    - fi-kbl-x1275:       [DMESG-WARN][62] ([i915#62] / [i915#92] / [i915#95]) -> [DMESG-WARN][63] ([i915#62] / [i915#92]) +4 similar issues
   [62]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-kbl-x1275/igt@kms_flip@basic-flip-vs-modeset.html
   [63]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-kbl-x1275/igt@kms_flip@basic-flip-vs-modeset.html

  * igt@runner@aborted:
    - fi-byt-n2820:       [FAIL][64] ([i915#816]) -> [FAIL][65] ([fdo#111249])
   [64]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-byt-n2820/igt@runner@aborted.html
   [65]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-byt-n2820/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#103927]: https://bugs.freedesktop.org/show_bug.cgi?id=103927
  [fdo#107139]: https://bugs.freedesktop.org/show_bug.cgi?id=107139
  [fdo#111249]: https://bugs.freedesktop.org/show_bug.cgi?id=111249
  [fdo#111407]: https://bugs.freedesktop.org/show_bug.cgi?id=111407
  [fdo#111593]: https://bugs.freedesktop.org/show_bug.cgi?id=111593
  [i915#140]: https://gitlab.freedesktop.org/drm/intel/issues/140
  [i915#299]: https://gitlab.freedesktop.org/drm/intel/issues/299
  [i915#424]: https://gitlab.freedesktop.org/drm/intel/issues/424
  [i915#45]: https://gitlab.freedesktop.org/drm/intel/issues/45
  [i915#476]: https://gitlab.freedesktop.org/drm/intel/issues/476
  [i915#553]: https://gitlab.freedesktop.org/drm/intel/issues/553
  [i915#58]: https://gitlab.freedesktop.org/drm/intel/issues/58
  [i915#62]: https://gitlab.freedesktop.org/drm/intel/issues/62
  [i915#66]: https://gitlab.freedesktop.org/drm/intel/issues/66
  [i915#694]: https://gitlab.freedesktop.org/drm/intel/issues/694
  [i915#722]: https://gitlab.freedesktop.org/drm/intel/issues/722
  [i915#725]: https://gitlab.freedesktop.org/drm/intel/issues/725
  [i915#816]: https://gitlab.freedesktop.org/drm/intel/issues/816
  [i915#92]: https://gitlab.freedesktop.org/drm/intel/issues/92
  [i915#95]: https://gitlab.freedesktop.org/drm/intel/issues/95
  [k.org#198133]: https://bugzilla.kernel.org/show_bug.cgi?id=198133


Participating hosts (51 -> 47)
------------------------------

  Additional (3): fi-whl-u fi-icl-u3 fi-bsw-n3050 
  Missing    (7): fi-ilk-m540 fi-hsw-4200u fi-byt-squawks fi-bsw-cyan fi-ctg-p8600 fi-byt-clapper fi-bdw-samus 


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

  * CI: CI-20190529 -> None
  * Linux: CI_DRM_7580 -> Patchwork_15810

  CI-20190529: 20190529
  CI_DRM_7580: 4154d505504bd58e3cc90d27f7221c3d29045b51 @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_5349: 048f58513d8b8ec6bb307a939f0ac959bc0f0e10 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
  Patchwork_15810: ded079f2d6fcfa3e30c5a7ce63450651bf7cd3dd @ git://anongit.freedesktop.org/gfx-ci/linux


== Linux commits ==

ded079f2d6fc drm/i915/selftests: Add selftest for memory region PF handling
21b92ebb9c01 drm/i915: Add lmem fault handler

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/index.html
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

Re: [Intel-gfx] ✗ Fi.CI.BAT: failure for series starting with [1/2] drm/i915: Add lmem fault handler

[Abdiel Janulgue]

On 17/12/2019 15.00, Patchwork wrote:
> == Series Details ==
> 
> Series: series starting with [1/2] drm/i915: Add lmem fault handler
> URL   : https://patchwork.freedesktop.org/series/71051/
> State : failure
> 
> == Summary ==
> 
> CI Bug Log - changes from CI_DRM_7580 -> Patchwork_15810
> ====================================================
> 
> Summary
> -------
> 
>   **FAILURE**
> 
>   Serious unknown changes coming with Patchwork_15810 absolutely need to be
>   verified manually.
>   
>   If you think the reported changes have nothing to do with the changes
>   introduced in Patchwork_15810, please notify your bug team to allow them
>   to document this new failure mode, which will reduce false positives in CI.
> 
>   External URL: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/index.html
> 
> Possible new issues
> -------------------
> 
>   Here are the unknown changes that may have been introduced in Patchwork_15810:
> 
> ### IGT changes ###
> 
> #### Possible regressions ####
> 
>   * igt@i915_selftest@live_mman:
>     - fi-ilk-650:         [PASS][1] -> [INCOMPLETE][2]
>    [1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-ilk-650/igt@i915_selftest@live_mman.html
>    [2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-ilk-650/igt@i915_selftest@live_mman.html
>     - fi-bsw-n3050:       NOTRUN -> [INCOMPLETE][3]
>    [3]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-bsw-n3050/igt@i915_selftest@live_mman.html
>     - fi-ivb-3770:        [PASS][4] -> [DMESG-FAIL][5]
>    [4]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-ivb-3770/igt@i915_selftest@live_mman.html
>    [5]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-ivb-3770/igt@i915_selftest@live_mman.html
>     - fi-hsw-4770r:       [PASS][6] -> [DMESG-FAIL][7]
>    [6]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-hsw-4770r/igt@i915_selftest@live_mman.html
>    [7]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-hsw-4770r/igt@i915_selftest@live_mman.html
>     - fi-bsw-kefka:       [PASS][8] -> [INCOMPLETE][9]
>    [8]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-bsw-kefka/igt@i915_selftest@live_mman.html
>    [9]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-bsw-kefka/igt@i915_selftest@live_mman.html
>     - fi-blb-e6850:       [PASS][10] -> [INCOMPLETE][11]
>    [10]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-blb-e6850/igt@i915_selftest@live_mman.html
>    [11]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-blb-e6850/igt@i915_selftest@live_mman.html
>     - fi-bwr-2160:        [PASS][12] -> [INCOMPLETE][13]
>    [12]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-bwr-2160/igt@i915_selftest@live_mman.html
>    [13]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-bwr-2160/igt@i915_selftest@live_mman.html
>     - fi-kbl-8809g:       [PASS][14] -> [DMESG-FAIL][15]
>    [14]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-kbl-8809g/igt@i915_selftest@live_mman.html
>    [15]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-kbl-8809g/igt@i915_selftest@live_mman.html
>     - fi-bsw-nick:        [PASS][16] -> [INCOMPLETE][17]
>    [16]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-bsw-nick/igt@i915_selftest@live_mman.html
>    [17]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-bsw-nick/igt@i915_selftest@live_mman.html
> 

hmm, doesn't look too good with the memory regions.

>   * igt@runner@aborted:
>     - fi-ilk-650:         NOTRUN -> [FAIL][18]
>    [18]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-ilk-650/igt@runner@aborted.html
>     - fi-pnv-d510:        NOTRUN -> [FAIL][19]
>    [19]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-pnv-d510/igt@runner@aborted.html
>     - fi-bxt-dsi:         NOTRUN -> [FAIL][20]
>    [20]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-bxt-dsi/igt@runner@aborted.html
>     - fi-bsw-n3050:       NOTRUN -> [FAIL][21]
>    [21]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-bsw-n3050/igt@runner@aborted.html
>     - fi-blb-e6850:       NOTRUN -> [FAIL][22]
>    [22]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-blb-e6850/igt@runner@aborted.html
>     - fi-bsw-kefka:       NOTRUN -> [FAIL][23]
>    [23]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-bsw-kefka/igt@runner@aborted.html
>     - fi-bsw-nick:        NOTRUN -> [FAIL][24]
>    [24]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-bsw-nick/igt@runner@aborted.html
>     - fi-elk-e7500:       NOTRUN -> [FAIL][25]
>    [25]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-elk-e7500/igt@runner@aborted.html
> 
>   
> Known issues
> ------------
> 
>   Here are the changes found in Patchwork_15810 that come from known issues:
> 
> ### IGT changes ###
> 
> #### Issues hit ####
> 
>   * igt@gem_exec_gttfill@basic:
>     - fi-tgl-y:           [PASS][26] -> [INCOMPLETE][27] ([fdo#111593])
>    [26]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-tgl-y/igt@gem_exec_gttfill@basic.html
>    [27]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-tgl-y/igt@gem_exec_gttfill@basic.html
> 
>   * igt@i915_selftest@live_blt:
>     - fi-ivb-3770:        [PASS][28] -> [DMESG-FAIL][29] ([i915#725])
>    [28]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-ivb-3770/igt@i915_selftest@live_blt.html
>    [29]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-ivb-3770/igt@i915_selftest@live_blt.html
>     - fi-hsw-4770r:       [PASS][30] -> [DMESG-FAIL][31] ([i915#725])
>    [30]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-hsw-4770r/igt@i915_selftest@live_blt.html
>    [31]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-hsw-4770r/igt@i915_selftest@live_blt.html
> 
>   * igt@i915_selftest@live_gem_contexts:
>     - fi-hsw-peppy:       [PASS][32] -> [INCOMPLETE][33] ([i915#694])
>    [32]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-hsw-peppy/igt@i915_selftest@live_gem_contexts.html
>    [33]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-hsw-peppy/igt@i915_selftest@live_gem_contexts.html
>     - fi-hsw-4770r:       [PASS][34] -> [DMESG-FAIL][35] ([i915#722])
>    [34]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-hsw-4770r/igt@i915_selftest@live_gem_contexts.html
>    [35]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-hsw-4770r/igt@i915_selftest@live_gem_contexts.html
> 
>   * igt@i915_selftest@live_mman:
>     - fi-bxt-dsi:         [PASS][36] -> [INCOMPLETE][37] ([fdo#103927])
>    [36]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-bxt-dsi/igt@i915_selftest@live_mman.html
>    [37]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-bxt-dsi/igt@i915_selftest@live_mman.html
>     - fi-glk-dsi:         [PASS][38] -> [INCOMPLETE][39] ([i915#58] / [k.org#198133])
>    [38]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-glk-dsi/igt@i915_selftest@live_mman.html
>    [39]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-glk-dsi/igt@i915_selftest@live_mman.html
>     - fi-byt-j1900:       [PASS][40] -> [INCOMPLETE][41] ([i915#45])
>    [40]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-byt-j1900/igt@i915_selftest@live_mman.html
>    [41]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-byt-j1900/igt@i915_selftest@live_mman.html
>     - fi-elk-e7500:       [PASS][42] -> [INCOMPLETE][43] ([i915#66])
>    [42]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-elk-e7500/igt@i915_selftest@live_mman.html
>    [43]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-elk-e7500/igt@i915_selftest@live_mman.html
>     - fi-apl-guc:         [PASS][44] -> [INCOMPLETE][45] ([fdo#103927])
>    [44]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-apl-guc/igt@i915_selftest@live_mman.html
>    [45]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-apl-guc/igt@i915_selftest@live_mman.html
>     - fi-pnv-d510:        [PASS][46] -> [INCOMPLETE][47] ([i915#299])
>    [46]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-pnv-d510/igt@i915_selftest@live_mman.html
>    [47]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-pnv-d510/igt@i915_selftest@live_mman.html
> 
>   * igt@kms_chamelium@hdmi-hpd-fast:
>     - fi-kbl-7500u:       [PASS][48] -> [FAIL][49] ([fdo#111407])
>    [48]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-kbl-7500u/igt@kms_chamelium@hdmi-hpd-fast.html
>    [49]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-kbl-7500u/igt@kms_chamelium@hdmi-hpd-fast.html
> 
>   * igt@kms_pipe_crc_basic@suspend-read-crc-pipe-a:
>     - fi-icl-u2:          [PASS][50] -> [INCOMPLETE][51] ([i915#140])
>    [50]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-icl-u2/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-a.html
>    [51]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-icl-u2/igt@kms_pipe_crc_basic@suspend-read-crc-pipe-a.html
> 
>   
> #### Possible fixes ####
> 
>   * igt@gem_close_race@basic-threads:
>     - fi-byt-n2820:       [TIMEOUT][52] ([i915#816]) -> [PASS][53]
>    [52]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-byt-n2820/igt@gem_close_race@basic-threads.html
>    [53]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-byt-n2820/igt@gem_close_race@basic-threads.html
> 
>   * igt@i915_selftest@live_blt:
>     - fi-hsw-4770:        [DMESG-FAIL][54] ([i915#553] / [i915#725]) -> [PASS][55]
>    [54]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-hsw-4770/igt@i915_selftest@live_blt.html
>    [55]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-hsw-4770/igt@i915_selftest@live_blt.html
> 
>   * igt@i915_selftest@live_gem_contexts:
>     - fi-skl-lmem:        [INCOMPLETE][56] ([i915#424]) -> [PASS][57]
>    [56]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-skl-lmem/igt@i915_selftest@live_gem_contexts.html
>    [57]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-skl-lmem/igt@i915_selftest@live_gem_contexts.html
> 
>   
> #### Warnings ####
> 
>   * igt@gem_exec_suspend@basic-s4-devices:
>     - fi-kbl-x1275:       [DMESG-WARN][58] ([fdo#107139] / [i915#62] / [i915#92]) -> [DMESG-WARN][59] ([fdo#107139] / [i915#62] / [i915#92] / [i915#95])
>    [58]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-kbl-x1275/igt@gem_exec_suspend@basic-s4-devices.html
>    [59]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-kbl-x1275/igt@gem_exec_suspend@basic-s4-devices.html
> 
>   * igt@kms_cursor_legacy@basic-busy-flip-before-cursor-legacy:
>     - fi-kbl-x1275:       [DMESG-WARN][60] ([i915#62] / [i915#92]) -> [DMESG-WARN][61] ([i915#62] / [i915#92] / [i915#95]) +2 similar issues
>    [60]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-kbl-x1275/igt@kms_cursor_legacy@basic-busy-flip-before-cursor-legacy.html
>    [61]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-kbl-x1275/igt@kms_cursor_legacy@basic-busy-flip-before-cursor-legacy.html
> 
>   * igt@kms_flip@basic-flip-vs-modeset:
>     - fi-kbl-x1275:       [DMESG-WARN][62] ([i915#62] / [i915#92] / [i915#95]) -> [DMESG-WARN][63] ([i915#62] / [i915#92]) +4 similar issues
>    [62]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-kbl-x1275/igt@kms_flip@basic-flip-vs-modeset.html
>    [63]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-kbl-x1275/igt@kms_flip@basic-flip-vs-modeset.html
> 
>   * igt@runner@aborted:
>     - fi-byt-n2820:       [FAIL][64] ([i915#816]) -> [FAIL][65] ([fdo#111249])
>    [64]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7580/fi-byt-n2820/igt@runner@aborted.html
>    [65]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/fi-byt-n2820/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#103927]: https://bugs.freedesktop.org/show_bug.cgi?id=103927
>   [fdo#107139]: https://bugs.freedesktop.org/show_bug.cgi?id=107139
>   [fdo#111249]: https://bugs.freedesktop.org/show_bug.cgi?id=111249
>   [fdo#111407]: https://bugs.freedesktop.org/show_bug.cgi?id=111407
>   [fdo#111593]: https://bugs.freedesktop.org/show_bug.cgi?id=111593
>   [i915#140]: https://gitlab.freedesktop.org/drm/intel/issues/140
>   [i915#299]: https://gitlab.freedesktop.org/drm/intel/issues/299
>   [i915#424]: https://gitlab.freedesktop.org/drm/intel/issues/424
>   [i915#45]: https://gitlab.freedesktop.org/drm/intel/issues/45
>   [i915#476]: https://gitlab.freedesktop.org/drm/intel/issues/476
>   [i915#553]: https://gitlab.freedesktop.org/drm/intel/issues/553
>   [i915#58]: https://gitlab.freedesktop.org/drm/intel/issues/58
>   [i915#62]: https://gitlab.freedesktop.org/drm/intel/issues/62
>   [i915#66]: https://gitlab.freedesktop.org/drm/intel/issues/66
>   [i915#694]: https://gitlab.freedesktop.org/drm/intel/issues/694
>   [i915#722]: https://gitlab.freedesktop.org/drm/intel/issues/722
>   [i915#725]: https://gitlab.freedesktop.org/drm/intel/issues/725
>   [i915#816]: https://gitlab.freedesktop.org/drm/intel/issues/816
>   [i915#92]: https://gitlab.freedesktop.org/drm/intel/issues/92
>   [i915#95]: https://gitlab.freedesktop.org/drm/intel/issues/95
>   [k.org#198133]: https://bugzilla.kernel.org/show_bug.cgi?id=198133
> 
> 
> Participating hosts (51 -> 47)
> ------------------------------
> 
>   Additional (3): fi-whl-u fi-icl-u3 fi-bsw-n3050 
>   Missing    (7): fi-ilk-m540 fi-hsw-4200u fi-byt-squawks fi-bsw-cyan fi-ctg-p8600 fi-byt-clapper fi-bdw-samus 
> 
> 
> Build changes
> -------------
> 
>   * CI: CI-20190529 -> None
>   * Linux: CI_DRM_7580 -> Patchwork_15810
> 
>   CI-20190529: 20190529
>   CI_DRM_7580: 4154d505504bd58e3cc90d27f7221c3d29045b51 @ git://anongit.freedesktop.org/gfx-ci/linux
>   IGT_5349: 048f58513d8b8ec6bb307a939f0ac959bc0f0e10 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
>   Patchwork_15810: ded079f2d6fcfa3e30c5a7ce63450651bf7cd3dd @ git://anongit.freedesktop.org/gfx-ci/linux
> 
> 
> == Linux commits ==
> 
> ded079f2d6fc drm/i915/selftests: Add selftest for memory region PF handling
> 21b92ebb9c01 drm/i915: Add lmem fault handler
> 
> == Logs ==
> 
> For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15810/index.html
> 
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