From: Chris Wilson Date: Thu, 4 Jul 2019 16:53:17 +0000 (+0100) Subject: drm/i915/selftests: Drain the freedlists between exec passes X-Git-Tag: v5.4-rc1~106^2~19^2~209 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=6582f4f613e35225c663fc1194b1a7d1f0af2a2f;p=linux.git drm/i915/selftests: Drain the freedlists between exec passes During the context execution tests, we issue a lot of work and discard a lot of objects without releasing the lock and allowing the background reaper to free those objects. Insert a small break between each pass to flush the worker. Signed-off-by: Chris Wilson Reviewed-by: Matthew Auld Link: https://patchwork.freedesktop.org/patch/msgid/20190704165317.21060-1-chris@chris-wilson.co.uk --- diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c index a23c6df9b9f4..91d13f019265 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c @@ -562,6 +562,8 @@ static int igt_ctx_exec(void *arg) mock_file_free(i915, file); if (err) return err; + + i915_gem_drain_freed_objects(i915); } return 0; @@ -672,6 +674,10 @@ static int igt_shared_ctx_exec(void *arg) dw += rem; } + + mutex_unlock(&i915->drm.struct_mutex); + i915_gem_drain_freed_objects(i915); + mutex_lock(&i915->drm.struct_mutex); } out_test: if (igt_live_test_end(&t))