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authorChris Wilson <chris@chris-wilson.co.uk>2018-10-11 11:37:48 +0100
committerChris Wilson <chris@chris-wilson.co.uk>2018-10-11 16:04:09 +0100
commit0b4bf7ca9be824dde6ff63dd2ceba2d1367f8a58 (patch)
tree8535dfb17678821a125f2fabc91db2b434744130 /drivers
parente87b0bbc9f0380d403f8f2f6abba0d51c74d944f (diff)
drm/i915/selftests: Disable shrinker across mmap-exhaustion
For mmap-exhaustion, we deliberately put the system under a large amount of pressure to ensure that we are able to reap mmap-offsets from dead objects. If background activity does that reaping for us, that defeats the purpose of the test and in some cases will fail our sanity checks (because of the fake activity we use to prevent the idle worker). Fixes: 932cac10c8fb ("drm/i915/selftests: Prevent background reaping of acti ve objects") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com> Cc: Matthew Auld <matthew.auld@intel.com> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20181011103748.18387-1-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/i915/selftests/i915_gem_object.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_object.c b/drivers/gpu/drm/i915/selftests/i915_gem_object.c
index 6d3516d5bff9..c3999dd2021e 100644
--- a/drivers/gpu/drm/i915/selftests/i915_gem_object.c
+++ b/drivers/gpu/drm/i915/selftests/i915_gem_object.c
@@ -501,6 +501,8 @@ static bool assert_mmap_offset(struct drm_i915_private *i915,
static void disable_retire_worker(struct drm_i915_private *i915)
{
+ i915_gem_shrinker_unregister(i915);
+
mutex_lock(&i915->drm.struct_mutex);
if (!i915->gt.active_requests++) {
intel_runtime_pm_get(i915);
@@ -613,6 +615,7 @@ out_park:
else
queue_delayed_work(i915->wq, &i915->gt.idle_work, 0);
mutex_unlock(&i915->drm.struct_mutex);
+ i915_gem_shrinker_register(i915);
return err;
err_obj:
i915_gem_object_put(obj);