[Intel-gfx] [CI 1/2] drm/i915/gem: Extend mmap support for lmem

[Intel-gfx] [CI 1/2] drm/i915/gem: Extend mmap support for lmem

[Chris Wilson]

From: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>

Local memory objects are similar to our usual scatterlist, but instead
of using the struct page stored therein, we need to use the
sg->dma_address.

Signed-off-by: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/gem/i915_gem_mman.c | 16 +++++++------
 drivers/gpu/drm/i915/i915_drv.h          |  6 ++---
 drivers/gpu/drm/i915/i915_mm.c           | 30 +++++++++++++++---------
 3 files changed, 31 insertions(+), 21 deletions(-)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
index 905527ce2999..4caf7d750c34 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
@@ -216,6 +216,7 @@ 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:
@@ -236,11 +237,10 @@ static vm_fault_t vm_fault_cpu(struct vm_fault *vmf)
 	struct vm_area_struct *area = vmf->vma;
 	struct i915_mmap_offset *mmo = area->vm_private_data;
 	struct drm_i915_gem_object *obj = mmo->obj;
+	bool use_dma =
+		!i915_gem_object_type_has(obj, I915_GEM_OBJECT_HAS_STRUCT_PAGE);
 	int err;
 
-	if (unlikely(!i915_gem_object_has_struct_page(obj)))
-		return VM_FAULT_SIGBUS;
-
 	/* Sanity check that we allow writing into this object */
 	if (unlikely(i915_gem_object_is_readonly(obj) &&
 		     area->vm_flags & VM_WRITE))
@@ -251,9 +251,9 @@ static vm_fault_t vm_fault_cpu(struct vm_fault *vmf)
 		goto out;
 
 	/* PTEs are revoked in obj->ops->put_pages() */
-	err = remap_io_sg_page(area,
-			       area->vm_start, area->vm_end - area->vm_start,
-			       obj->mm.pages->sgl);
+	err = remap_io_sg(area,
+			  area->vm_start, area->vm_end - area->vm_start,
+			  obj->mm.pages->sgl, use_dma);
 
 	if (area->vm_flags & VM_WRITE) {
 		GEM_BUG_ON(!i915_gem_object_has_pinned_pages(obj));
@@ -552,7 +552,9 @@ __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;
 	}
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 2c7e3020e766..ccd632fecf36 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2017,9 +2017,9 @@ int i915_reg_read_ioctl(struct drm_device *dev, void *data,
 int remap_io_mapping(struct vm_area_struct *vma,
 		     unsigned long addr, unsigned long pfn, unsigned long size,
 		     struct io_mapping *iomap);
-int remap_io_sg_page(struct vm_area_struct *vma,
-		     unsigned long addr, unsigned long size,
-		     struct scatterlist *sgl);
+int remap_io_sg(struct vm_area_struct *vma,
+		unsigned long addr, unsigned long size,
+		struct scatterlist *sgl, bool use_dma);
 
 static inline int intel_hws_csb_write_index(struct drm_i915_private *i915)
 {
diff --git a/drivers/gpu/drm/i915/i915_mm.c b/drivers/gpu/drm/i915/i915_mm.c
index 2998689e6d42..7f1680b4125e 100644
--- a/drivers/gpu/drm/i915/i915_mm.c
+++ b/drivers/gpu/drm/i915/i915_mm.c
@@ -35,6 +35,7 @@ struct remap_pfn {
 	pgprot_t prot;
 
 	struct sgt_iter sgt;
+	bool dma;
 };
 
 static int remap_pfn(pte_t *pte, unsigned long addr, void *data)
@@ -48,12 +49,15 @@ static int remap_pfn(pte_t *pte, unsigned long addr, void *data)
 	return 0;
 }
 
-static inline unsigned long sgt_pfn(const struct sgt_iter *sgt)
+static inline unsigned long sgt_pfn(const struct sgt_iter *sgt, bool use_dma)
 {
+	if (use_dma)
+		return (sgt->dma + sgt->curr) >> PAGE_SHIFT;
+
 	return sgt->pfn + (sgt->curr >> PAGE_SHIFT);
 }
 
-static int remap_sg_page(pte_t *pte, unsigned long addr, void *data)
+static int remap_sg(pte_t *pte, unsigned long addr, void *data)
 {
 	struct remap_pfn *r = data;
 
@@ -62,12 +66,12 @@ static int remap_sg_page(pte_t *pte, unsigned long addr, void *data)
 
 	/* Special PTE are not associated with any struct page */
 	set_pte_at(r->mm, addr, pte,
-		   pte_mkspecial(pfn_pte(sgt_pfn(&r->sgt), r->prot)));
+		   pte_mkspecial(pfn_pte(sgt_pfn(&r->sgt, r->dma), r->prot)));
 	r->pfn++; /* track insertions in case we need to unwind later */
 
 	r->sgt.curr += PAGE_SIZE;
 	if (r->sgt.curr >= r->sgt.max)
-		r->sgt = __sgt_iter(__sg_next(r->sgt.sgp), false);
+		r->sgt = __sgt_iter(__sg_next(r->sgt.sgp), r->dma);
 
 	return 0;
 }
@@ -108,30 +112,34 @@ int remap_io_mapping(struct vm_area_struct *vma,
 }
 
 /**
- * remap_io_sg_page - remap an IO mapping to userspace
+ * remap_io_sg- remap an IO mapping to userspace
  * @vma: user vma to map to
  * @addr: target user address to start at
  * @size: size of map area
  * @sgl: Start sg entry
+ * @use_dma: Use stored dma address or pfn
  *
  *  Note: this is only safe if the mm semaphore is held when called.
  */
-int remap_io_sg_page(struct vm_area_struct *vma,
-		     unsigned long addr, unsigned long size,
-		     struct scatterlist *sgl)
+int remap_io_sg(struct vm_area_struct *vma,
+		unsigned long addr, unsigned long size,
+		struct scatterlist *sgl, bool use_dma)
 {
 	struct remap_pfn r = {
 		.mm = vma->vm_mm,
 		.prot = vma->vm_page_prot,
-		.sgt = __sgt_iter(sgl, false),
+		.sgt = __sgt_iter(sgl, use_dma),
+		.dma = use_dma,
 	};
 	int err;
 
 	/* We rely on prevalidation of the io-mapping to skip track_pfn(). */
 	GEM_BUG_ON((vma->vm_flags & EXPECTED_FLAGS) != EXPECTED_FLAGS);
 
-	flush_cache_range(vma, addr, size);
-	err = apply_to_page_range(r.mm, addr, size, remap_sg_page, &r);
+	if (!use_dma)
+		flush_cache_range(vma, addr, size);
+
+	err = apply_to_page_range(r.mm, addr, size, remap_sg, &r);
 	if (unlikely(err)) {
 		zap_vma_ptes(vma, addr, r.pfn << PAGE_SHIFT);
 		return err;
-- 
2.25.0.rc0

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[Intel-gfx] [CI 2/2] drm/i915/selftests: Extend fault handler selftests to all memory regions

[Chris Wilson]

From: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>

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>
Reported-by: kbuild test robot <lkp@intel.com>
---
 .../drm/i915/gem/selftests/i915_gem_mman.c    | 265 ++++++++++++------
 1 file changed, 187 insertions(+), 78 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 cbf796da64e3..659c6c4ec924 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 +9,7 @@
 #include "gt/intel_engine_pm.h"
 #include "gt/intel_gt.h"
 #include "gt/intel_gt_pm.h"
+#include "gem/i915_gem_region.h"
 #include "huge_gem_object.h"
 #include "i915_selftest.h"
 #include "selftests/i915_random.h"
@@ -725,44 +726,135 @@ static int igt_mmap_offset_exhaustion(void *arg)
 	goto out;
 }
 
-#define expand32(x) (((x) << 0) | ((x) << 8) | ((x) << 16) | ((x) << 24))
-static int igt_mmap(void *arg, enum i915_mmap_type type)
+static int gtt_set(struct drm_i915_gem_object *obj)
 {
-	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;
+	struct i915_vma *vma;
+	void __iomem *map;
+	int err = 0;
 
-	if (!i915_ggtt_has_aperture(&i915->ggtt))
-		return 0;
+	vma = i915_gem_object_ggtt_pin(obj, NULL, 0, 0, PIN_MAPPABLE);
+	if (IS_ERR(vma))
+		return PTR_ERR(vma);
 
-	obj = i915_gem_object_create_internal(i915, PAGE_SIZE);
-	if (IS_ERR(obj))
-		return PTR_ERR(obj);
+	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;
+	}
+
+	memset_io(map, POISON_INUSE, obj->base.size);
+	i915_vma_unpin_iomap(vma);
+
+out:
+	intel_gt_pm_put(vma->vm->gt);
+	return err;
+}
+
+static int gtt_check(struct drm_i915_gem_object *obj)
+{
+	struct i915_vma *vma;
+	void __iomem *map;
+	int err = 0;
+
+	vma = i915_gem_object_ggtt_pin(obj, NULL, 0, 0, PIN_MAPPABLE);
+	if (IS_ERR(vma))
+		return PTR_ERR(vma);
 
-	vaddr = i915_gem_object_pin_map(obj, I915_MAP_WB);
-	if (IS_ERR(vaddr)) {
-		err = PTR_ERR(vaddr);
+	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;
 	}
-	memset(vaddr, POISON_INUSE, PAGE_SIZE);
+
+	if (memchr_inv((void __force *)map, POISON_FREE, obj->base.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 wc_set(struct drm_i915_gem_object *obj)
+{
+	void *vaddr;
+
+	vaddr = i915_gem_object_pin_map(obj, I915_MAP_WC);
+	if (IS_ERR(vaddr))
+		return PTR_ERR(vaddr);
+
+	memset(vaddr, POISON_INUSE, obj->base.size);
 	i915_gem_object_flush_map(obj);
 	i915_gem_object_unpin_map(obj);
 
-	mmo = mmap_offset_attach(obj, type, NULL);
-	if (IS_ERR(mmo)) {
-		err = PTR_ERR(mmo);
-		goto out;
+	return 0;
+}
+
+static int wc_check(struct drm_i915_gem_object *obj)
+{
+	void *vaddr;
+	int err = 0;
+
+	vaddr = i915_gem_object_pin_map(obj, I915_MAP_WC);
+	if (IS_ERR(vaddr))
+		return PTR_ERR(vaddr);
+
+	if (memchr_inv(vaddr, POISON_FREE, obj->base.size)) {
+		pr_err("Write via mmap did not land in backing store\n");
+		err = -EINVAL;
 	}
+	i915_gem_object_unpin_map(obj);
+
+	return err;
+}
+
+static bool can_mmap(struct drm_i915_gem_object *obj, enum i915_mmap_type type)
+{
+	if (type == I915_MMAP_TYPE_GTT &&
+	    !i915_ggtt_has_aperture(&to_i915(obj->base.dev)->ggtt))
+		return false;
+
+	if (type != I915_MMAP_TYPE_GTT &&
+	    !i915_gem_object_type_has(obj,
+				      I915_GEM_OBJECT_HAS_STRUCT_PAGE |
+				      I915_GEM_OBJECT_HAS_IOMEM))
+		return false;
+
+	return true;
+}
+
+#define expand32(x) (((x) << 0) | ((x) << 8) | ((x) << 16) | ((x) << 24))
+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;
+
+	if (!can_mmap(obj, type))
+		return 0;
+
+	err = wc_set(obj);
+	if (err == -ENXIO)
+		err = gtt_set(obj);
+	if (err)
+		return err;
+
+	mmo = mmap_offset_attach(obj, type, NULL);
+	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);
 
@@ -779,7 +871,7 @@ static int igt_mmap(void *arg, enum i915_mmap_type type)
 		goto out_unmap;
 	}
 
-	for (i = 0; i < PAGE_SIZE / sizeof(u32); i++) {
+	for (i = 0; i < obj->base.size / sizeof(u32); i++) {
 		u32 __user *ux = u64_to_user_ptr((u64)(addr + i * sizeof(*ux)));
 		u32 x;
 
@@ -787,14 +879,14 @@ static int igt_mmap(void *arg, enum i915_mmap_type type)
 			pr_err("Unable to read from mmap, offset:%zd\n",
 			       i * sizeof(x));
 			err = -EFAULT;
-			break;
+			goto out_unmap;
 		}
 
 		if (x != expand32(POISON_INUSE)) {
 			pr_err("Read incorrect value from mmap, offset:%zd, found:%x, expected:%x\n",
 			       i * sizeof(x), x, expand32(POISON_INUSE));
 			err = -EINVAL;
-			break;
+			goto out_unmap;
 		}
 
 		x = expand32(POISON_FREE);
@@ -802,37 +894,46 @@ static int igt_mmap(void *arg, enum i915_mmap_type type)
 			pr_err("Unable to write to mmap, offset:%zd\n",
 			       i * sizeof(x));
 			err = -EFAULT;
-			break;
+			goto out_unmap;
 		}
 	}
 
+	err = wc_check(obj);
+	if (err == -ENXIO)
+		err = gtt_check(obj);
 out_unmap:
-	vm_munmap(addr, PAGE_SIZE);
-
-	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);
+	vm_munmap(addr, obj->base.size);
 
-out:
-	i915_gem_object_put(obj);
 	return err;
 }
 
-static int igt_mmap_gtt(void *arg)
+static int igt_mmap(void *arg)
 {
-	return igt_mmap(arg, I915_MMAP_TYPE_GTT);
-}
+	struct drm_i915_private *i915 = arg;
+	struct intel_memory_region *mr;
+	enum intel_region_id id;
 
-static int igt_mmap_cpu(void *arg)
-{
-	return igt_mmap(arg, I915_MMAP_TYPE_WC);
+	for_each_memory_region(mr, i915, id) {
+		struct drm_i915_gem_object *obj;
+		int err;
+
+		obj = i915_gem_object_create_region(mr, PAGE_SIZE, 0);
+		if (obj == ERR_PTR(-ENODEV))
+			continue;
+
+		if (IS_ERR(obj))
+			return PTR_ERR(obj);
+
+		err = __igt_mmap(i915, obj, I915_MMAP_TYPE_GTT);
+		if (err == 0)
+			err = __igt_mmap(i915, obj, I915_MMAP_TYPE_WC);
+
+		i915_gem_object_put(obj);
+		if (err)
+			return err;
+	}
+
+	return 0;
 }
 
 static int check_present_pte(pte_t *pte, unsigned long addr, void *data)
@@ -887,32 +988,24 @@ 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 (!can_mmap(obj, type))
 		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 +1045,37 @@ 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_revoke(void *arg)
 {
-	return igt_mmap_revoke(arg, I915_MMAP_TYPE_GTT);
-}
+	struct drm_i915_private *i915 = arg;
+	struct intel_memory_region *mr;
+	enum intel_region_id id;
 
-static int igt_mmap_cpu_revoke(void *arg)
-{
-	return igt_mmap_revoke(arg, I915_MMAP_TYPE_WC);
+	for_each_memory_region(mr, i915, id) {
+		struct drm_i915_gem_object *obj;
+		int err;
+
+		obj = i915_gem_object_create_region(mr, PAGE_SIZE, 0);
+		if (obj == ERR_PTR(-ENODEV))
+			continue;
+
+		if (IS_ERR(obj))
+			return PTR_ERR(obj);
+
+		err = __igt_mmap_revoke(i915, obj, I915_MMAP_TYPE_GTT);
+		if (err == 0)
+			err = __igt_mmap_revoke(i915, obj, I915_MMAP_TYPE_WC);
+
+		i915_gem_object_put(obj);
+		if (err)
+			return err;
+	}
+
+	return 0;
 }
 
 int i915_gem_mman_live_selftests(struct drm_i915_private *i915)
@@ -973,10 +1084,8 @@ 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),
+		SUBTEST(igt_mmap_revoke),
 	};
 
 	return i915_subtests(tests, i915);
-- 
2.25.0.rc0

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[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for series starting with [CI,1/2] drm/i915/gem: Extend mmap support for lmem

[Patchwork]

== Series Details ==

Series: series starting with [CI,1/2] drm/i915/gem: Extend mmap support for lmem
URL   : https://patchwork.freedesktop.org/series/71537/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
c269d4536b3a drm/i915/gem: Extend mmap support for lmem
68ca521ddb6d drm/i915/selftests: Extend fault handler selftests to all memory regions
-:157: CHECK:MACRO_ARG_REUSE: Macro argument reuse 'x' - possible side-effects?
#157: FILE: drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c:832:
+#define expand32(x) (((x) << 0) | ((x) << 8) | ((x) << 16) | ((x) << 24))

total: 0 errors, 0 warnings, 1 checks, 356 lines checked

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[Intel-gfx] ✗ Fi.CI.BAT: failure for series starting with [CI,1/2] drm/i915/gem: Extend mmap support for lmem

[Patchwork]

== Series Details ==

Series: series starting with [CI,1/2] drm/i915/gem: Extend mmap support for lmem
URL   : https://patchwork.freedesktop.org/series/71537/
State : failure

== Summary ==

CI Bug Log - changes from CI_DRM_7661 -> Patchwork_15962
====================================================

Summary
-------

  **FAILURE**

  Serious unknown changes coming with Patchwork_15962 absolutely need to be
  verified manually.
  
  If you think the reported changes have nothing to do with the changes
  introduced in Patchwork_15962, 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_15962/index.html

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

  Here are the unknown changes that may have been introduced in Patchwork_15962:

### IGT changes ###

#### Possible regressions ####

  * igt@i915_selftest@live_mman:
    - fi-gdg-551:         NOTRUN -> [DMESG-FAIL][1]
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15962/fi-gdg-551/igt@i915_selftest@live_mman.html
    - fi-skl-lmem:        [PASS][2] -> [INCOMPLETE][3]
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7661/fi-skl-lmem/igt@i915_selftest@live_mman.html
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15962/fi-skl-lmem/igt@i915_selftest@live_mman.html

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

  Here are the changes found in Patchwork_15962 that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@kms_chamelium@hdmi-crc-fast:
    - fi-icl-u2:          [PASS][4] -> [FAIL][5] ([fdo#109635])
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7661/fi-icl-u2/igt@kms_chamelium@hdmi-crc-fast.html
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15962/fi-icl-u2/igt@kms_chamelium@hdmi-crc-fast.html

  
#### Possible fixes ####

  * igt@i915_module_load@reload-with-fault-injection:
    - fi-skl-6700k2:      [INCOMPLETE][6] ([i915#671]) -> [PASS][7]
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7661/fi-skl-6700k2/igt@i915_module_load@reload-with-fault-injection.html
   [7]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15962/fi-skl-6700k2/igt@i915_module_load@reload-with-fault-injection.html

  * igt@i915_pm_rpm@module-reload:
    - fi-skl-6600u:       [DMESG-WARN][8] ([i915#889]) -> [PASS][9] +23 similar issues
   [8]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7661/fi-skl-6600u/igt@i915_pm_rpm@module-reload.html
   [9]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15962/fi-skl-6600u/igt@i915_pm_rpm@module-reload.html

  * igt@i915_selftest@live_blt:
    - fi-hsw-4770:        [DMESG-FAIL][10] ([i915#563]) -> [PASS][11]
   [10]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7661/fi-hsw-4770/igt@i915_selftest@live_blt.html
   [11]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15962/fi-hsw-4770/igt@i915_selftest@live_blt.html

  * igt@i915_selftest@live_gt_lrc:
    - fi-skl-6600u:       [DMESG-FAIL][12] ([i915#889]) -> [PASS][13] +7 similar issues
   [12]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7661/fi-skl-6600u/igt@i915_selftest@live_gt_lrc.html
   [13]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15962/fi-skl-6600u/igt@i915_selftest@live_gt_lrc.html

  * igt@i915_selftest@live_workarounds:
    - fi-icl-dsi:         [DMESG-FAIL][14] -> [PASS][15]
   [14]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7661/fi-icl-dsi/igt@i915_selftest@live_workarounds.html
   [15]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15962/fi-icl-dsi/igt@i915_selftest@live_workarounds.html

  * igt@kms_chamelium@hdmi-hpd-fast:
    - fi-kbl-7500u:       [FAIL][16] ([fdo#111407]) -> [PASS][17]
   [16]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7661/fi-kbl-7500u/igt@kms_chamelium@hdmi-hpd-fast.html
   [17]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15962/fi-kbl-7500u/igt@kms_chamelium@hdmi-hpd-fast.html

  
#### Warnings ####

  * igt@i915_pm_rpm@basic-rte:
    - fi-kbl-guc:         [FAIL][18] ([i915#704]) -> [SKIP][19] ([fdo#109271])
   [18]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7661/fi-kbl-guc/igt@i915_pm_rpm@basic-rte.html
   [19]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15962/fi-kbl-guc/igt@i915_pm_rpm@basic-rte.html

  * igt@kms_flip@basic-flip-vs-modeset:
    - fi-kbl-x1275:       [DMESG-WARN][20] ([i915#62] / [i915#92] / [i915#95]) -> [DMESG-WARN][21] ([i915#62] / [i915#92]) +7 similar issues
   [20]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7661/fi-kbl-x1275/igt@kms_flip@basic-flip-vs-modeset.html
   [21]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15962/fi-kbl-x1275/igt@kms_flip@basic-flip-vs-modeset.html

  * igt@kms_flip@basic-flip-vs-wf_vblank:
    - fi-kbl-x1275:       [DMESG-WARN][22] ([i915#62] / [i915#92]) -> [DMESG-WARN][23] ([i915#62] / [i915#92] / [i915#95]) +4 similar issues
   [22]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_7661/fi-kbl-x1275/igt@kms_flip@basic-flip-vs-wf_vblank.html
   [23]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15962/fi-kbl-x1275/igt@kms_flip@basic-flip-vs-wf_vblank.html

  
  [fdo#109271]: https://bugs.freedesktop.org/show_bug.cgi?id=109271
  [fdo#109635]: https://bugs.freedesktop.org/show_bug.cgi?id=109635
  [fdo#111407]: https://bugs.freedesktop.org/show_bug.cgi?id=111407
  [i915#563]: https://gitlab.freedesktop.org/drm/intel/issues/563
  [i915#62]: https://gitlab.freedesktop.org/drm/intel/issues/62
  [i915#671]: https://gitlab.freedesktop.org/drm/intel/issues/671
  [i915#704]: https://gitlab.freedesktop.org/drm/intel/issues/704
  [i915#889]: https://gitlab.freedesktop.org/drm/intel/issues/889
  [i915#92]: https://gitlab.freedesktop.org/drm/intel/issues/92
  [i915#95]: https://gitlab.freedesktop.org/drm/intel/issues/95


Participating hosts (45 -> 43)
------------------------------

  Additional (5): fi-hsw-4770r fi-cml-s fi-skl-6770hq fi-gdg-551 fi-blb-e6850 
  Missing    (7): fi-ilk-m540 fi-hsw-4200u fi-bdw-gvtdvm fi-byt-squawks fi-snb-2520m fi-byt-clapper fi-bdw-samus 


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

  * CI: CI-20190529 -> None
  * Linux: CI_DRM_7661 -> Patchwork_15962

  CI-20190529: 20190529
  CI_DRM_7661: 1adead839bd8fc1b4c150864c9de270ee05051a7 @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_5357: a555a4b98f90dab655d24bb3d07e9291a8b8dac8 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
  Patchwork_15962: 68ca521ddb6db731b8b8e0197473e403708b7ac5 @ git://anongit.freedesktop.org/gfx-ci/linux


== Linux commits ==

68ca521ddb6d drm/i915/selftests: Extend fault handler selftests to all memory regions
c269d4536b3a drm/i915/gem: Extend mmap support for lmem

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_15962/index.html
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