diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_reset.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_reset.c | 69 |
1 files changed, 47 insertions, 22 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c index aae5a081cb53..adff482a6c9c 100644 --- a/drivers/gpu/drm/i915/gt/intel_reset.c +++ b/drivers/gpu/drm/i915/gt/intel_reset.c @@ -9,18 +9,17 @@ #include "display/intel_display_reset.h" #include "display/intel_overlay.h" - #include "gem/i915_gem_context.h" - #include "gt/intel_gt_regs.h" - #include "gt/uc/intel_gsc_fw.h" +#include "uc/intel_guc.h" #include "i915_drv.h" #include "i915_file_private.h" #include "i915_gpu_error.h" #include "i915_irq.h" #include "i915_reg.h" +#include "i915_wait_util.h" #include "intel_breadcrumbs.h" #include "intel_engine_pm.h" #include "intel_engine_regs.h" @@ -32,8 +31,6 @@ #include "intel_pci_config.h" #include "intel_reset.h" -#include "uc/intel_guc.h" - #define RESET_MAX_RETRIES 3 static void client_mark_guilty(struct i915_gem_context *ctx, bool banned) @@ -135,7 +132,8 @@ void __i915_request_reset(struct i915_request *rq, bool guilty) rcu_read_lock(); /* protect the GEM context */ if (guilty) { i915_request_set_error_once(rq, -EIO); - __i915_request_skip(rq); + if (!i915_request_signaled(rq)) + __i915_request_skip(rq); banned = mark_guilty(rq); } else { i915_request_set_error_once(rq, -EAGAIN); @@ -589,7 +587,7 @@ static int gen8_engine_reset_prepare(struct intel_engine_cs *engine) return 0; } - intel_uncore_write_fw(uncore, reg, _MASKED_BIT_ENABLE(request)); + intel_uncore_write_fw(uncore, reg, REG_MASKED_FIELD_ENABLE(request)); ret = __intel_wait_for_register_fw(uncore, reg, mask, ack, 700, 0, NULL); if (ret) @@ -605,7 +603,7 @@ static void gen8_engine_reset_cancel(struct intel_engine_cs *engine) { intel_uncore_write_fw(engine->uncore, RING_RESET_CTL(engine->mmio_base), - _MASKED_BIT_DISABLE(RESET_CTL_REQUEST_RESET)); + REG_MASKED_FIELD_DISABLE(RESET_CTL_REQUEST_RESET)); } static int gen8_reset_engines(struct intel_gt *gt, @@ -986,7 +984,7 @@ 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 +1096,7 @@ 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); } @@ -1106,14 +1104,13 @@ 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) { /* * Warn CI about the unrecoverable wedged condition. * Time for a reboot. */ - gt_err(gt, "Unrecoverable wedged condition\n"); add_taint_for_CI(gt->i915, TAINT_WARN); return false; } @@ -1178,6 +1175,13 @@ 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 @@ -1199,7 +1203,7 @@ void intel_gt_reset(struct intel_gt *gt, intel_engine_mask_t stalled_mask, const char *reason) { - struct intel_display *display = >->i915->display; + struct intel_display *display = gt->i915->display; intel_engine_mask_t awake; int ret; @@ -1234,7 +1238,7 @@ 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)) { @@ -1242,7 +1246,7 @@ 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(display); @@ -1265,10 +1269,8 @@ void intel_gt_reset(struct intel_gt *gt, } ret = resume(gt); - if (ret) { - gt_err(gt, "Failed to resume (%d)\n", ret); + if (ret) goto taint; - } finish: reset_finish(gt, awake); @@ -1396,6 +1398,11 @@ 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) @@ -1413,15 +1420,34 @@ 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, + NULL); } /** @@ -1482,7 +1508,7 @@ 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; @@ -1611,7 +1637,6 @@ void intel_gt_set_wedged_on_init(struct intel_gt *gt) set_bit(I915_WEDGED_ON_INIT, >->reset.flags); /* Wedged on init is non-recoverable */ - gt_err(gt, "Non-recoverable wedged on init\n"); add_taint_for_CI(gt->i915, TAINT_WARN); } |