From 027c38b4121e7d9ae43b2fa21b35582d1aef2a05 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Wed, 6 Jul 2022 16:47:38 +0100 Subject: [PATCH] drm/i915/selftests: Grab the runtime pm in shrink_thp Since we are not holding a wakeref, shrinking a bound object is not guaranteed. Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/6370 Signed-off-by: Chris Wilson Reviewed-by: Matthew Auld Signed-off-by: Matthew Auld Reviewed-by: Andi Shyti Link: https://patchwork.freedesktop.org/patch/msgid/20220706154738.235204-1-matthew.auld@intel.com --- drivers/gpu/drm/i915/gem/selftests/huge_pages.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c index ef15967..72ce2c9 100644 --- a/drivers/gpu/drm/i915/gem/selftests/huge_pages.c +++ b/drivers/gpu/drm/i915/gem/selftests/huge_pages.c @@ -1623,6 +1623,7 @@ static int igt_shrink_thp(void *arg) struct file *file; unsigned int flags = PIN_USER; unsigned int n; + intel_wakeref_t wf; bool should_swap; int err; @@ -1659,9 +1660,11 @@ static int igt_shrink_thp(void *arg) goto out_put; } + wf = intel_runtime_pm_get(&i915->runtime_pm); /* active shrink */ + err = i915_vma_pin(vma, 0, 0, flags); if (err) - goto out_put; + goto out_wf; if (obj->mm.page_sizes.phys < I915_GTT_PAGE_SIZE_2M) { pr_info("failed to allocate THP, finishing test early\n"); @@ -1732,6 +1735,8 @@ static int igt_shrink_thp(void *arg) out_unpin: i915_vma_unpin(vma); +out_wf: + intel_runtime_pm_put(&i915->runtime_pm, wf); out_put: i915_gem_object_put(obj); out_vm: -- 2.7.4