For a ppgtt that we are constructing, there is no struct_mutex dependence so skip it. In the process, also ping the scheduler frequently to try and avoid the NMI watchdog. Suggested-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx> References: https://bugs.freedesktop.org/show_bug.cgi?id=107094 Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx> --- drivers/gpu/drm/i915/selftests/i915_gem_gtt.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c index a28ee0cc6a63..fff26bd05f71 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_gtt.c @@ -142,12 +142,9 @@ static int igt_ppgtt_alloc(void *arg) if (!USES_PPGTT(dev_priv)) return 0; - mutex_lock(&dev_priv->drm.struct_mutex); ppgtt = __hw_ppgtt_create(dev_priv); - if (IS_ERR(ppgtt)) { - err = PTR_ERR(ppgtt); - goto err_unlock; - } + if (IS_ERR(ppgtt)) + return PTR_ERR(ppgtt); if (!ppgtt->vm.allocate_va_range) goto err_ppgtt_cleanup; @@ -166,6 +163,8 @@ static int igt_ppgtt_alloc(void *arg) goto err_ppgtt_cleanup; } + cond_resched(); + ppgtt->vm.clear_range(&ppgtt->vm, 0, size); } @@ -183,13 +182,13 @@ static int igt_ppgtt_alloc(void *arg) } goto err_ppgtt_cleanup; } + + cond_resched(); } err_ppgtt_cleanup: ppgtt->vm.cleanup(&ppgtt->vm); kfree(ppgtt); -err_unlock: - mutex_unlock(&dev_priv->drm.struct_mutex); return err; } -- 2.18.0 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
