From c41166f9a145f1c4ce2961b338f9b57495ace4b5 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Wed, 20 Feb 2019 14:56:37 +0000 Subject: [PATCH] drm/i915: Beware temporary wedging when determining -EIO At a few points in our uABI, we check to see if the driver is wedged and report -EIO back to the user in that case. However, as we perform the check and reset asynchronously (where once before they were both serialised by the struct_mutex), we may instead see the temporary wedging used to cancel inflight rendering to avoid a deadlock during reset (caused by either us timing out in our reset handler, i915_wedge_on_timeout or with malice aforethought in intel_reset_prepare for a stuck modeset). If we suspect this is the case, that is we see a wedged driver *and* reset in progress, then wait until the reset is resolved before reporting upon the wedged status. v2: might_sleep() (Mika) Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109580 Signed-off-by: Chris Wilson Cc: Mika Kuoppala Reviewed-by: Mika Kuoppala Link: https://patchwork.freedesktop.org/patch/msgid/20190220145637.23503-1-chris@chris-wilson.co.uk --- drivers/gpu/drm/i915/i915_debugfs.c | 17 +++++++---- drivers/gpu/drm/i915/i915_drv.h | 7 ++++- drivers/gpu/drm/i915/i915_gem.c | 25 ++++++++-------- drivers/gpu/drm/i915/i915_request.c | 5 ++-- drivers/gpu/drm/i915/i915_reset.c | 29 +++++++++++++++++-- drivers/gpu/drm/i915/i915_reset.h | 2 ++ drivers/gpu/drm/i915/intel_engine_cs.c | 8 ++--- drivers/gpu/drm/i915/intel_hangcheck.c | 2 +- drivers/gpu/drm/i915/selftests/huge_pages.c | 2 +- drivers/gpu/drm/i915/selftests/i915_active.c | 2 +- .../drm/i915/selftests/i915_gem_coherency.c | 4 +-- .../gpu/drm/i915/selftests/i915_gem_context.c | 2 +- .../gpu/drm/i915/selftests/i915_gem_evict.c | 2 +- .../gpu/drm/i915/selftests/i915_gem_object.c | 2 +- drivers/gpu/drm/i915/selftests/i915_request.c | 2 +- .../gpu/drm/i915/selftests/igt_flush_test.c | 2 +- .../gpu/drm/i915/selftests/intel_hangcheck.c | 24 +++++++-------- drivers/gpu/drm/i915/selftests/intel_lrc.c | 2 +- .../drm/i915/selftests/intel_workarounds.c | 4 +-- 19 files changed, 91 insertions(+), 52 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 2aeea977283f..37175414ce89 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -3833,11 +3833,18 @@ static const struct file_operations i915_cur_wm_latency_fops = { static int i915_wedged_get(void *data, u64 *val) { - struct drm_i915_private *dev_priv = data; - - *val = i915_terminally_wedged(&dev_priv->gpu_error); + int ret = i915_terminally_wedged(data); - return 0; + switch (ret) { + case -EIO: + *val = 1; + return 0; + case 0: + *val = 0; + return 0; + default: + return ret; + } } static int @@ -3918,7 +3925,7 @@ i915_drop_caches_set(void *data, u64 val) mutex_unlock(&i915->drm.struct_mutex); } - if (val & DROP_RESET_ACTIVE && i915_terminally_wedged(&i915->gpu_error)) + if (val & DROP_RESET_ACTIVE && i915_terminally_wedged(i915)) i915_handle_error(i915, ALL_ENGINES, 0, NULL); fs_reclaim_acquire(GFP_KERNEL); diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 58c9058da4b4..2a78fb3e6eee 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -3020,11 +3020,16 @@ int __must_check i915_gem_set_global_seqno(struct drm_device *dev, u32 seqno); struct i915_request * i915_gem_find_active_request(struct intel_engine_cs *engine); -static inline bool i915_terminally_wedged(struct i915_gpu_error *error) +static inline bool __i915_wedged(struct i915_gpu_error *error) { return unlikely(test_bit(I915_WEDGED, &error->flags)); } +static inline bool i915_reset_failed(struct drm_i915_private *i915) +{ + return __i915_wedged(&i915->gpu_error); +} + static inline u32 i915_reset_count(struct i915_gpu_error *error) { return READ_ONCE(error->reset_count); diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index b421bc7a2e26..cc88e7974422 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1928,7 +1928,7 @@ vm_fault_t i915_gem_fault(struct vm_fault *vmf) * fail). But any other -EIO isn't ours (e.g. swap in failure) * and so needs to be reported. */ - if (!i915_terminally_wedged(&dev_priv->gpu_error)) + if (!i915_terminally_wedged(dev_priv)) return VM_FAULT_SIGBUS; /* else: fall through */ case -EAGAIN: @@ -2958,7 +2958,7 @@ static void assert_kernel_context_is_current(struct drm_i915_private *i915) struct intel_engine_cs *engine; enum intel_engine_id id; - if (i915_terminally_wedged(&i915->gpu_error)) + if (i915_reset_failed(i915)) return; GEM_BUG_ON(i915->gt.active_requests); @@ -3806,8 +3806,9 @@ i915_gem_ring_throttle(struct drm_device *dev, struct drm_file *file) long ret; /* ABI: return -EIO if already wedged */ - if (i915_terminally_wedged(&dev_priv->gpu_error)) - return -EIO; + ret = i915_terminally_wedged(dev_priv); + if (ret) + return ret; spin_lock(&file_priv->mm.lock); list_for_each_entry(request, &file_priv->mm.request_list, client_link) { @@ -4460,7 +4461,7 @@ void i915_gem_sanitize(struct drm_i915_private *i915) * back to defaults, recovering from whatever wedged state we left it * in and so worth trying to use the device once more. */ - if (i915_terminally_wedged(&i915->gpu_error)) + if (i915_terminally_wedged(i915)) i915_gem_unset_wedged(i915); /* @@ -4504,7 +4505,7 @@ int i915_gem_suspend(struct drm_i915_private *i915) * state. Fortunately, the kernel_context is disposable and we do * not rely on its state. */ - if (!i915_terminally_wedged(&i915->gpu_error)) { + if (!i915_reset_failed(i915)) { ret = i915_gem_switch_to_kernel_context(i915); if (ret) goto err_unlock; @@ -4625,8 +4626,9 @@ void i915_gem_resume(struct drm_i915_private *i915) return; err_wedged: - if (!i915_terminally_wedged(&i915->gpu_error)) { - DRM_ERROR("failed to re-initialize GPU, declaring wedged!\n"); + if (!i915_reset_failed(i915)) { + dev_err(i915->drm.dev, + "Failed to re-initialize GPU, declaring it wedged!\n"); i915_gem_set_wedged(i915); } goto out_unlock; @@ -4731,10 +4733,9 @@ int i915_gem_init_hw(struct drm_i915_private *dev_priv) init_unused_rings(dev_priv); BUG_ON(!dev_priv->kernel_context); - if (i915_terminally_wedged(&dev_priv->gpu_error)) { - ret = -EIO; + ret = i915_terminally_wedged(dev_priv); + if (ret) goto out; - } ret = i915_ppgtt_init_hw(dev_priv); if (ret) { @@ -5107,7 +5108,7 @@ int i915_gem_init(struct drm_i915_private *dev_priv) * wedged. But we only want to do this where the GPU is angry, * for all other failure, such as an allocation failure, bail. */ - if (!i915_terminally_wedged(&dev_priv->gpu_error)) { + if (!i915_reset_failed(dev_priv)) { i915_load_error(dev_priv, "Failed to initialize GPU, declaring it wedged!\n"); i915_gem_set_wedged(dev_priv); diff --git a/drivers/gpu/drm/i915/i915_request.c b/drivers/gpu/drm/i915/i915_request.c index a61e3a4fc9dc..124b3e279c88 100644 --- a/drivers/gpu/drm/i915/i915_request.c +++ b/drivers/gpu/drm/i915/i915_request.c @@ -559,8 +559,9 @@ i915_request_alloc(struct intel_engine_cs *engine, struct i915_gem_context *ctx) * ABI: Before userspace accesses the GPU (e.g. execbuffer), report * EIO if the GPU is already wedged. */ - if (i915_terminally_wedged(&i915->gpu_error)) - return ERR_PTR(-EIO); + ret = i915_terminally_wedged(i915); + if (ret) + return ERR_PTR(ret); /* * Pinning the contexts may generate requests in order to acquire diff --git a/drivers/gpu/drm/i915/i915_reset.c b/drivers/gpu/drm/i915/i915_reset.c index c234feb5fdf5..19ad56ba22a7 100644 --- a/drivers/gpu/drm/i915/i915_reset.c +++ b/drivers/gpu/drm/i915/i915_reset.c @@ -1032,7 +1032,7 @@ void i915_reset(struct drm_i915_private *i915, finish: reset_finish(i915); - if (!i915_terminally_wedged(error)) + if (!__i915_wedged(error)) reset_restart(i915); return; @@ -1253,7 +1253,7 @@ void i915_handle_error(struct drm_i915_private *i915, * Try engine reset when available. We fall back to full reset if * single reset fails. */ - if (intel_has_reset_engine(i915) && !i915_terminally_wedged(error)) { + if (intel_has_reset_engine(i915) && !__i915_wedged(error)) { for_each_engine_masked(engine, i915, engine_mask, tmp) { BUILD_BUG_ON(I915_RESET_MODESET >= I915_RESET_ENGINE); if (test_and_set_bit(I915_RESET_ENGINE + engine->id, @@ -1339,6 +1339,31 @@ __releases(&i915->gpu_error.reset_backoff_srcu) srcu_read_unlock(&error->reset_backoff_srcu, tag); } +int i915_terminally_wedged(struct drm_i915_private *i915) +{ + struct i915_gpu_error *error = &i915->gpu_error; + + might_sleep(); + + if (!__i915_wedged(error)) + return 0; + + /* Reset still in progress? Maybe we will recover? */ + if (!test_bit(I915_RESET_BACKOFF, &error->flags)) + return -EIO; + + /* XXX intel_reset_finish() still takes struct_mutex!!! */ + if (mutex_is_locked(&i915->drm.struct_mutex)) + return -EAGAIN; + + if (wait_event_interruptible(error->reset_queue, + !test_bit(I915_RESET_BACKOFF, + &error->flags))) + return -EINTR; + + return __i915_wedged(error) ? -EIO : 0; +} + bool i915_reset_flush(struct drm_i915_private *i915) { int err; diff --git a/drivers/gpu/drm/i915/i915_reset.h b/drivers/gpu/drm/i915/i915_reset.h index 893c5d1c2eb8..16f2389f656f 100644 --- a/drivers/gpu/drm/i915/i915_reset.h +++ b/drivers/gpu/drm/i915/i915_reset.h @@ -36,6 +36,8 @@ bool i915_reset_flush(struct drm_i915_private *i915); int __must_check i915_reset_trylock(struct drm_i915_private *i915); void i915_reset_unlock(struct drm_i915_private *i915, int tag); +int i915_terminally_wedged(struct drm_i915_private *i915); + bool intel_has_gpu_reset(struct drm_i915_private *i915); bool intel_has_reset_engine(struct drm_i915_private *i915); diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c index 2547e2e51db8..81b80f8fd9ea 100644 --- a/drivers/gpu/drm/i915/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/intel_engine_cs.c @@ -1007,10 +1007,8 @@ static bool ring_is_idle(struct intel_engine_cs *engine) */ bool intel_engine_is_idle(struct intel_engine_cs *engine) { - struct drm_i915_private *dev_priv = engine->i915; - /* More white lies, if wedged, hw state is inconsistent */ - if (i915_terminally_wedged(&dev_priv->gpu_error)) + if (i915_reset_failed(engine->i915)) return true; /* Any inflight/incomplete requests? */ @@ -1054,7 +1052,7 @@ bool intel_engines_are_idle(struct drm_i915_private *dev_priv) * If the driver is wedged, HW state may be very inconsistent and * report that it is still busy, even though we have stopped using it. */ - if (i915_terminally_wedged(&dev_priv->gpu_error)) + if (i915_reset_failed(dev_priv)) return true; for_each_engine(engine, dev_priv, id) { @@ -1496,7 +1494,7 @@ void intel_engine_dump(struct intel_engine_cs *engine, va_end(ap); } - if (i915_terminally_wedged(&engine->i915->gpu_error)) + if (i915_reset_failed(engine->i915)) drm_printf(m, "*** WEDGED ***\n"); drm_printf(m, "\tcurrent seqno %x, last %x, hangcheck %x [%d ms]\n", diff --git a/drivers/gpu/drm/i915/intel_hangcheck.c b/drivers/gpu/drm/i915/intel_hangcheck.c index a219c796e56d..9be033b6f4d2 100644 --- a/drivers/gpu/drm/i915/intel_hangcheck.c +++ b/drivers/gpu/drm/i915/intel_hangcheck.c @@ -263,7 +263,7 @@ static void i915_hangcheck_elapsed(struct work_struct *work) if (!READ_ONCE(dev_priv->gt.awake)) return; - if (i915_terminally_wedged(&dev_priv->gpu_error)) + if (i915_terminally_wedged(dev_priv)) return; /* As enabling the GPU requires fairly extensive mmio access, diff --git a/drivers/gpu/drm/i915/selftests/huge_pages.c b/drivers/gpu/drm/i915/selftests/huge_pages.c index a9a2fa35876f..40607ba7dda6 100644 --- a/drivers/gpu/drm/i915/selftests/huge_pages.c +++ b/drivers/gpu/drm/i915/selftests/huge_pages.c @@ -1764,7 +1764,7 @@ int i915_gem_huge_page_live_selftests(struct drm_i915_private *dev_priv) return 0; } - if (i915_terminally_wedged(&dev_priv->gpu_error)) + if (i915_terminally_wedged(dev_priv)) return 0; file = mock_file(dev_priv); diff --git a/drivers/gpu/drm/i915/selftests/i915_active.c b/drivers/gpu/drm/i915/selftests/i915_active.c index 337b1f98b923..27d8f853111b 100644 --- a/drivers/gpu/drm/i915/selftests/i915_active.c +++ b/drivers/gpu/drm/i915/selftests/i915_active.c @@ -150,7 +150,7 @@ int i915_active_live_selftests(struct drm_i915_private *i915) SUBTEST(live_active_retire), }; - if (i915_terminally_wedged(&i915->gpu_error)) + if (i915_terminally_wedged(i915)) return 0; return i915_subtests(tests, i915); diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_coherency.c b/drivers/gpu/drm/i915/selftests/i915_gem_coherency.c index fd89a5a33c1a..9c16aff87028 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_coherency.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_coherency.c @@ -248,12 +248,12 @@ static bool always_valid(struct drm_i915_private *i915) static bool needs_fence_registers(struct drm_i915_private *i915) { - return !i915_terminally_wedged(&i915->gpu_error); + return !i915_terminally_wedged(i915); } static bool needs_mi_store_dword(struct drm_i915_private *i915) { - if (i915_terminally_wedged(&i915->gpu_error)) + if (i915_terminally_wedged(i915)) return false; return intel_engine_can_store_dword(i915->engine[RCS]); diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_context.c b/drivers/gpu/drm/i915/selftests/i915_gem_context.c index b7b97c57ad05..3a238b9628b3 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_context.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_context.c @@ -1632,7 +1632,7 @@ int i915_gem_context_live_selftests(struct drm_i915_private *dev_priv) SUBTEST(igt_vm_isolation), }; - if (i915_terminally_wedged(&dev_priv->gpu_error)) + if (i915_terminally_wedged(dev_priv)) return 0; return i915_subtests(tests, dev_priv); diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_evict.c b/drivers/gpu/drm/i915/selftests/i915_gem_evict.c index 32dce7176f63..b270eab1cad1 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_evict.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_evict.c @@ -547,7 +547,7 @@ int i915_gem_evict_live_selftests(struct drm_i915_private *i915) SUBTEST(igt_evict_contexts), }; - if (i915_terminally_wedged(&i915->gpu_error)) + if (i915_terminally_wedged(i915)) return 0; return i915_subtests(tests, i915); diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_object.c b/drivers/gpu/drm/i915/selftests/i915_gem_object.c index 395ae878e0f7..784982aed625 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_object.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_object.c @@ -583,7 +583,7 @@ static int igt_mmap_offset_exhaustion(void *arg) for (loop = 0; loop < 3; loop++) { intel_wakeref_t wakeref; - if (i915_terminally_wedged(&i915->gpu_error)) + if (i915_terminally_wedged(i915)) break; obj = i915_gem_object_create_internal(i915, PAGE_SIZE); diff --git a/drivers/gpu/drm/i915/selftests/i915_request.c b/drivers/gpu/drm/i915/selftests/i915_request.c index 6733dc5b6b4c..03cc8ab6a620 100644 --- a/drivers/gpu/drm/i915/selftests/i915_request.c +++ b/drivers/gpu/drm/i915/selftests/i915_request.c @@ -1246,7 +1246,7 @@ int i915_request_live_selftests(struct drm_i915_private *i915) SUBTEST(live_breadcrumbs_smoketest), }; - if (i915_terminally_wedged(&i915->gpu_error)) + if (i915_terminally_wedged(i915)) return 0; return i915_subtests(tests, i915); diff --git a/drivers/gpu/drm/i915/selftests/igt_flush_test.c b/drivers/gpu/drm/i915/selftests/igt_flush_test.c index af66e3d4e23a..e0d3122fd35a 100644 --- a/drivers/gpu/drm/i915/selftests/igt_flush_test.c +++ b/drivers/gpu/drm/i915/selftests/igt_flush_test.c @@ -29,5 +29,5 @@ int igt_flush_test(struct drm_i915_private *i915, unsigned int flags) i915_gem_set_wedged(i915); } - return i915_terminally_wedged(&i915->gpu_error) ? -EIO : 0; + return i915_terminally_wedged(i915); } diff --git a/drivers/gpu/drm/i915/selftests/intel_hangcheck.c b/drivers/gpu/drm/i915/selftests/intel_hangcheck.c index c32bc31192ae..a77e4bf1ab55 100644 --- a/drivers/gpu/drm/i915/selftests/intel_hangcheck.c +++ b/drivers/gpu/drm/i915/selftests/intel_hangcheck.c @@ -342,7 +342,7 @@ static int igt_hang_sanitycheck(void *arg) timeout = i915_request_wait(rq, I915_WAIT_LOCKED, MAX_SCHEDULE_TIMEOUT); - if (i915_terminally_wedged(&i915->gpu_error)) + if (i915_reset_failed(i915)) timeout = -EIO; i915_request_put(rq); @@ -383,7 +383,7 @@ static int igt_global_reset(void *arg) igt_global_reset_unlock(i915); - if (i915_terminally_wedged(&i915->gpu_error)) + if (i915_reset_failed(i915)) err = -EIO; return err; @@ -401,13 +401,13 @@ static int igt_wedged_reset(void *arg) i915_gem_set_wedged(i915); - GEM_BUG_ON(!i915_terminally_wedged(&i915->gpu_error)); + GEM_BUG_ON(!i915_reset_failed(i915)); i915_reset(i915, ALL_ENGINES, NULL); intel_runtime_pm_put(i915, wakeref); igt_global_reset_unlock(i915); - return i915_terminally_wedged(&i915->gpu_error) ? -EIO : 0; + return i915_reset_failed(i915) ? -EIO : 0; } static bool wait_for_idle(struct intel_engine_cs *engine) @@ -529,7 +529,7 @@ static int __igt_reset_engine(struct drm_i915_private *i915, bool active) break; } - if (i915_terminally_wedged(&i915->gpu_error)) + if (i915_reset_failed(i915)) err = -EIO; if (active) { @@ -843,7 +843,7 @@ static int __igt_reset_engines(struct drm_i915_private *i915, break; } - if (i915_terminally_wedged(&i915->gpu_error)) + if (i915_reset_failed(i915)) err = -EIO; if (flags & TEST_ACTIVE) { @@ -969,7 +969,7 @@ static int igt_reset_wait(void *arg) mutex_unlock(&i915->drm.struct_mutex); igt_global_reset_unlock(i915); - if (i915_terminally_wedged(&i915->gpu_error)) + if (i915_reset_failed(i915)) return -EIO; return err; @@ -1166,7 +1166,7 @@ static int __igt_reset_evict_vma(struct drm_i915_private *i915, unlock: mutex_unlock(&i915->drm.struct_mutex); - if (i915_terminally_wedged(&i915->gpu_error)) + if (i915_reset_failed(i915)) return -EIO; return err; @@ -1372,7 +1372,7 @@ static int igt_reset_queue(void *arg) mutex_unlock(&i915->drm.struct_mutex); igt_global_reset_unlock(i915); - if (i915_terminally_wedged(&i915->gpu_error)) + if (i915_reset_failed(i915)) return -EIO; return err; @@ -1552,7 +1552,7 @@ static int igt_atomic_reset_engine(struct intel_engine_cs *engine, i915_request_wait(rq, I915_WAIT_LOCKED, MAX_SCHEDULE_TIMEOUT); - if (i915_terminally_wedged(&i915->gpu_error)) + if (i915_reset_failed(i915)) err = -EIO; } @@ -1591,7 +1591,7 @@ static int igt_atomic_reset(void *arg) /* Flush any requests before we get started and check basics */ force_reset(i915); - if (i915_terminally_wedged(&i915->gpu_error)) + if (i915_reset_failed(i915)) goto unlock; if (intel_has_gpu_reset(i915)) { @@ -1665,7 +1665,7 @@ int intel_hangcheck_live_selftests(struct drm_i915_private *i915) if (!intel_has_gpu_reset(i915)) return 0; - if (i915_terminally_wedged(&i915->gpu_error)) + if (i915_terminally_wedged(i915)) return -EIO; /* we're long past hope of a successful reset */ wakeref = intel_runtime_pm_get(i915); diff --git a/drivers/gpu/drm/i915/selftests/intel_lrc.c b/drivers/gpu/drm/i915/selftests/intel_lrc.c index 58144e024751..0f7a5bf69646 100644 --- a/drivers/gpu/drm/i915/selftests/intel_lrc.c +++ b/drivers/gpu/drm/i915/selftests/intel_lrc.c @@ -895,7 +895,7 @@ int intel_execlists_live_selftests(struct drm_i915_private *i915) if (!HAS_EXECLISTS(i915)) return 0; - if (i915_terminally_wedged(&i915->gpu_error)) + if (i915_terminally_wedged(i915)) return 0; return i915_subtests(tests, i915); diff --git a/drivers/gpu/drm/i915/selftests/intel_workarounds.c b/drivers/gpu/drm/i915/selftests/intel_workarounds.c index fb479a2c04fb..e6ffc8ac22dc 100644 --- a/drivers/gpu/drm/i915/selftests/intel_workarounds.c +++ b/drivers/gpu/drm/i915/selftests/intel_workarounds.c @@ -181,7 +181,7 @@ static int check_whitelist(struct i915_gem_context *ctx, err = 0; igt_wedge_on_timeout(&wedge, ctx->i915, HZ / 5) /* a safety net! */ err = i915_gem_object_set_to_cpu_domain(results, false); - if (i915_terminally_wedged(&ctx->i915->gpu_error)) + if (i915_terminally_wedged(ctx->i915)) err = -EIO; if (err) goto out_put; @@ -510,7 +510,7 @@ int intel_workarounds_live_selftests(struct drm_i915_private *i915) }; int err; - if (i915_terminally_wedged(&i915->gpu_error)) + if (i915_terminally_wedged(i915)) return 0; mutex_lock(&i915->drm.struct_mutex); -- 2.45.2