diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_reset.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_reset.c | 49 |
1 files changed, 40 insertions, 9 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c index f42f21632306..dbdcfe130ad4 100644 --- a/drivers/gpu/drm/i915/gt/intel_reset.c +++ b/drivers/gpu/drm/i915/gt/intel_reset.c @@ -986,7 +986,7 @@ static void __intel_gt_set_wedged(struct intel_gt *gt) awake = reset_prepare(gt); /* Even if the GPU reset fails, it should still stop the engines */ - if (!INTEL_INFO(gt->i915)->gpu_reset_clobbers_display) + if (!intel_gt_gpu_reset_clobbers_display(gt)) intel_gt_reset_all_engines(gt); for_each_engine(engine, gt, id) @@ -1098,7 +1098,7 @@ static bool __intel_gt_unset_wedged(struct intel_gt *gt) dma_fence_default_wait(fence, false, MAX_SCHEDULE_TIMEOUT); dma_fence_put(fence); - /* Restart iteration after droping lock */ + /* Restart iteration after dropping lock */ spin_lock(&timelines->lock); tl = list_entry(&timelines->active_list, typeof(*tl), link); } @@ -1106,7 +1106,7 @@ static bool __intel_gt_unset_wedged(struct intel_gt *gt) /* We must reset pending GPU events before restoring our submission */ ok = !HAS_EXECLISTS(gt->i915); /* XXX better agnosticism desired */ - if (!INTEL_INFO(gt->i915)->gpu_reset_clobbers_display) + if (!intel_gt_gpu_reset_clobbers_display(gt)) ok = intel_gt_reset_all_engines(gt) == 0; if (!ok) { /* @@ -1177,6 +1177,13 @@ static int resume(struct intel_gt *gt) return 0; } +bool intel_gt_gpu_reset_clobbers_display(struct intel_gt *gt) +{ + struct drm_i915_private *i915 = gt->i915; + + return INTEL_INFO(i915)->gpu_reset_clobbers_display; +} + /** * intel_gt_reset - reset chip after a hang * @gt: #intel_gt to reset @@ -1198,6 +1205,7 @@ void intel_gt_reset(struct intel_gt *gt, intel_engine_mask_t stalled_mask, const char *reason) { + struct intel_display *display = >->i915->display; intel_engine_mask_t awake; int ret; @@ -1232,7 +1240,7 @@ void intel_gt_reset(struct intel_gt *gt, goto error; } - if (INTEL_INFO(gt->i915)->gpu_reset_clobbers_display) + if (intel_gt_gpu_reset_clobbers_display(gt)) intel_irq_suspend(gt->i915); if (do_reset(gt, stalled_mask)) { @@ -1240,10 +1248,10 @@ void intel_gt_reset(struct intel_gt *gt, goto taint; } - if (INTEL_INFO(gt->i915)->gpu_reset_clobbers_display) + if (intel_gt_gpu_reset_clobbers_display(gt)) intel_irq_resume(gt->i915); - intel_overlay_reset(gt->i915); + intel_overlay_reset(display); /* sanitize uC after engine reset */ if (!intel_uc_uses_guc_submission(>->uc)) @@ -1392,6 +1400,11 @@ int intel_engine_reset(struct intel_engine_cs *engine, const char *msg) return err; } +static void display_reset_modeset_stuck(void *gt) +{ + intel_gt_set_wedged(gt); +} + static void intel_gt_reset_global(struct intel_gt *gt, u32 engine_mask, const char *reason) @@ -1409,15 +1422,33 @@ static void intel_gt_reset_global(struct intel_gt *gt, /* Use a watchdog to ensure that our reset completes */ intel_wedge_on_timeout(&w, gt, 60 * HZ) { - intel_display_reset_prepare(gt->i915); + struct drm_i915_private *i915 = gt->i915; + struct intel_display *display = &i915->display; + bool need_display_reset; + bool reset_display; + + need_display_reset = intel_gt_gpu_reset_clobbers_display(gt) && + intel_has_gpu_reset(gt); + + reset_display = intel_display_reset_test(display) || + need_display_reset; + + if (reset_display) + reset_display = intel_display_reset_prepare(display, + display_reset_modeset_stuck, + gt); intel_gt_reset(gt, engine_mask, reason); - intel_display_reset_finish(gt->i915); + if (reset_display) + intel_display_reset_finish(display, !need_display_reset); } if (!test_bit(I915_WEDGED, >->reset.flags)) kobject_uevent_env(kobj, KOBJ_CHANGE, reset_done_event); + else + drm_dev_wedged_event(>->i915->drm, + DRM_WEDGE_RECOVERY_REBIND | DRM_WEDGE_RECOVERY_BUS_RESET); } /** @@ -1478,7 +1509,7 @@ void intel_gt_handle_error(struct intel_gt *gt, intel_has_reset_engine(gt) && !intel_gt_is_wedged(gt)) { local_bh_disable(); for_each_engine_masked(engine, gt, engine_mask, tmp) { - BUILD_BUG_ON(I915_RESET_MODESET >= I915_RESET_ENGINE); + BUILD_BUG_ON(I915_RESET_BACKOFF >= I915_RESET_ENGINE); if (test_and_set_bit(I915_RESET_ENGINE + engine->id, >->reset.flags)) continue; |