From: Maarten Lankhorst maarten.lankhorst@linux.intel.com
Ensure we hold the lock around put_pages, and use the unlocked wrappers for pinning pages and mappings.
Signed-off-by: Maarten Lankhorst maarten.lankhorst@linux.intel.com Cc: Thomas Hellström thomas.hellstrom@linux.intel.com --- drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 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 3ac7628f3bc4..85fff8bed08c 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_mman.c @@ -321,7 +321,7 @@ static int igt_partial_tiling(void *arg) if (IS_ERR(obj)) return PTR_ERR(obj);
- err = i915_gem_object_pin_pages(obj); + err = i915_gem_object_pin_pages_unlocked(obj); if (err) { pr_err("Failed to allocate %u pages (%lu total), err=%d\n", nreal, obj->base.size / PAGE_SIZE, err); @@ -458,7 +458,7 @@ static int igt_smoke_tiling(void *arg) if (IS_ERR(obj)) return PTR_ERR(obj);
- err = i915_gem_object_pin_pages(obj); + err = i915_gem_object_pin_pages_unlocked(obj); if (err) { pr_err("Failed to allocate %u pages (%lu total), err=%d\n", nreal, obj->base.size / PAGE_SIZE, err); @@ -797,7 +797,7 @@ static int wc_set(struct drm_i915_gem_object *obj) { void *vaddr;
- vaddr = i915_gem_object_pin_map(obj, I915_MAP_WC); + vaddr = i915_gem_object_pin_map_unlocked(obj, I915_MAP_WC); if (IS_ERR(vaddr)) return PTR_ERR(vaddr);
@@ -813,7 +813,7 @@ 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); + vaddr = i915_gem_object_pin_map_unlocked(obj, I915_MAP_WC); if (IS_ERR(vaddr)) return PTR_ERR(vaddr);
@@ -1315,7 +1315,9 @@ static int __igt_mmap_revoke(struct drm_i915_private *i915, }
if (type != I915_MMAP_TYPE_GTT) { + i915_gem_object_lock(obj, NULL); __i915_gem_object_put_pages(obj); + i915_gem_object_unlock(obj); if (i915_gem_object_has_pages(obj)) { pr_err("Failed to put-pages object!\n"); err = -EINVAL;