From: Maarten Lankhorst maarten.lankhorst@linux.intel.com
Use the unlocked variants for pin_map and pin_pages, and add lock around unpinning/putting pages.
Signed-off-by: Maarten Lankhorst maarten.lankhorst@linux.intel.com Cc: Thomas Hellström thomas.hellstrom@linux.intel.com --- .../drm/i915/selftests/intel_memory_region.c | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/i915/selftests/intel_memory_region.c b/drivers/gpu/drm/i915/selftests/intel_memory_region.c index 27389fb19951..9c20b7065fc5 100644 --- a/drivers/gpu/drm/i915/selftests/intel_memory_region.c +++ b/drivers/gpu/drm/i915/selftests/intel_memory_region.c @@ -31,10 +31,12 @@ static void close_objects(struct intel_memory_region *mem, struct drm_i915_gem_object *obj, *on;
list_for_each_entry_safe(obj, on, objects, st_link) { + i915_gem_object_lock(obj, NULL); if (i915_gem_object_has_pinned_pages(obj)) i915_gem_object_unpin_pages(obj); /* No polluting the memory region between tests */ __i915_gem_object_put_pages(obj); + i915_gem_object_unlock(obj); list_del(&obj->st_link); i915_gem_object_put(obj); } @@ -69,7 +71,7 @@ static int igt_mock_fill(void *arg) break; }
- err = i915_gem_object_pin_pages(obj); + err = i915_gem_object_pin_pages_unlocked(obj); if (err) { i915_gem_object_put(obj); break; @@ -109,7 +111,7 @@ igt_object_create(struct intel_memory_region *mem, if (IS_ERR(obj)) return obj;
- err = i915_gem_object_pin_pages(obj); + err = i915_gem_object_pin_pages_unlocked(obj); if (err) goto put;
@@ -123,8 +125,10 @@ igt_object_create(struct intel_memory_region *mem,
static void igt_object_release(struct drm_i915_gem_object *obj) { + i915_gem_object_lock(obj, NULL); i915_gem_object_unpin_pages(obj); __i915_gem_object_put_pages(obj); + i915_gem_object_unlock(obj); list_del(&obj->st_link); i915_gem_object_put(obj); } @@ -356,7 +360,7 @@ static int igt_cpu_check(struct drm_i915_gem_object *obj, u32 dword, u32 val) if (err) return err;
- ptr = i915_gem_object_pin_map(obj, I915_MAP_WC); + ptr = i915_gem_object_pin_map_unlocked(obj, I915_MAP_WC); if (IS_ERR(ptr)) return PTR_ERR(ptr);
@@ -461,7 +465,7 @@ static int igt_lmem_create(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) goto out_put;
@@ -500,7 +504,7 @@ static int igt_lmem_write_gpu(void *arg) goto out_file; }
- err = i915_gem_object_pin_pages(obj); + err = i915_gem_object_pin_pages_unlocked(obj); if (err) goto out_put;
@@ -572,7 +576,7 @@ static int igt_lmem_write_cpu(void *arg) if (IS_ERR(obj)) return PTR_ERR(obj);
- 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)) { err = PTR_ERR(vaddr); goto out_put; @@ -676,7 +680,7 @@ create_region_for_mapping(struct intel_memory_region *mr, u64 size, u32 type, return obj; }
- addr = i915_gem_object_pin_map(obj, type); + addr = i915_gem_object_pin_map_unlocked(obj, type); if (IS_ERR(addr)) { i915_gem_object_put(obj); if (PTR_ERR(addr) == -ENXIO)