diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_hangcheck.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_hangcheck.c | 71 |
1 files changed, 42 insertions, 29 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_hangcheck.c b/drivers/gpu/drm/i915/gt/intel_hangcheck.c index 6bcfa6456c45..05d042cdefe2 100644 --- a/drivers/gpu/drm/i915/gt/intel_hangcheck.c +++ b/drivers/gpu/drm/i915/gt/intel_hangcheck.c @@ -22,8 +22,10 @@ * */ -#include "intel_reset.h" #include "i915_drv.h" +#include "intel_engine.h" +#include "intel_gt.h" +#include "intel_reset.h" struct hangcheck { u64 acthd; @@ -57,9 +59,6 @@ static bool subunits_stuck(struct intel_engine_cs *engine) int slice; int subslice; - if (engine->id != RCS0) - return true; - intel_engine_get_instdone(engine, &instdone); /* There might be unstable subunit states even when @@ -103,7 +102,6 @@ head_stuck(struct intel_engine_cs *engine, u64 acthd) static enum intel_engine_hangcheck_action engine_stuck(struct intel_engine_cs *engine, u64 acthd) { - struct drm_i915_private *dev_priv = engine->i915; enum intel_engine_hangcheck_action ha; u32 tmp; @@ -111,7 +109,7 @@ engine_stuck(struct intel_engine_cs *engine, u64 acthd) if (ha != ENGINE_DEAD) return ha; - if (IS_GEN(dev_priv, 2)) + if (IS_GEN(engine->i915, 2)) return ENGINE_DEAD; /* Is the chip hanging on a WAIT_FOR_EVENT? @@ -121,8 +119,8 @@ engine_stuck(struct intel_engine_cs *engine, u64 acthd) */ tmp = ENGINE_READ(engine, RING_CTL); if (tmp & RING_WAIT) { - i915_handle_error(dev_priv, engine->mask, 0, - "stuck wait on %s", engine->name); + intel_gt_handle_error(engine->gt, engine->mask, 0, + "stuck wait on %s", engine->name); ENGINE_WRITE(engine, RING_CTL, tmp); return ENGINE_WAIT_KICK; } @@ -222,7 +220,7 @@ static void hangcheck_accumulate_sample(struct intel_engine_cs *engine, I915_ENGINE_WEDGED_TIMEOUT); } -static void hangcheck_declare_hang(struct drm_i915_private *i915, +static void hangcheck_declare_hang(struct intel_gt *gt, intel_engine_mask_t hung, intel_engine_mask_t stuck) { @@ -238,12 +236,12 @@ static void hangcheck_declare_hang(struct drm_i915_private *i915, hung &= ~stuck; len = scnprintf(msg, sizeof(msg), "%s on ", stuck == hung ? "no progress" : "hang"); - for_each_engine_masked(engine, i915, hung, tmp) + for_each_engine_masked(engine, gt->i915, hung, tmp) len += scnprintf(msg + len, sizeof(msg) - len, "%s, ", engine->name); msg[len-2] = '\0'; - return i915_handle_error(i915, hung, I915_ERROR_CAPTURE, "%s", msg); + return intel_gt_handle_error(gt, hung, I915_ERROR_CAPTURE, "%s", msg); } /* @@ -254,11 +252,10 @@ static void hangcheck_declare_hang(struct drm_i915_private *i915, * we kick the ring. If we see no progress on three subsequent calls * we assume chip is wedged and try to fix it by resetting the chip. */ -static void i915_hangcheck_elapsed(struct work_struct *work) +static void hangcheck_elapsed(struct work_struct *work) { - struct drm_i915_private *dev_priv = - container_of(work, typeof(*dev_priv), - gpu_error.hangcheck_work.work); + struct intel_gt *gt = + container_of(work, typeof(*gt), hangcheck.work.work); intel_engine_mask_t hung = 0, stuck = 0, wedged = 0; struct intel_engine_cs *engine; enum intel_engine_id id; @@ -267,13 +264,13 @@ static void i915_hangcheck_elapsed(struct work_struct *work) if (!i915_modparams.enable_hangcheck) return; - if (!READ_ONCE(dev_priv->gt.awake)) + if (!READ_ONCE(gt->awake)) return; - if (i915_terminally_wedged(dev_priv)) + if (intel_gt_is_wedged(gt)) return; - wakeref = intel_runtime_pm_get_if_in_use(&dev_priv->runtime_pm); + wakeref = intel_runtime_pm_get_if_in_use(>->i915->runtime_pm); if (!wakeref) return; @@ -281,9 +278,9 @@ static void i915_hangcheck_elapsed(struct work_struct *work) * periodically arm the mmio checker to see if we are triggering * any invalid access. */ - intel_uncore_arm_unclaimed_mmio_detection(&dev_priv->uncore); + intel_uncore_arm_unclaimed_mmio_detection(gt->uncore); - for_each_engine(engine, dev_priv, id) { + for_each_engine(engine, gt->i915, id) { struct hangcheck hc; intel_engine_signal_breadcrumbs(engine); @@ -305,7 +302,7 @@ static void i915_hangcheck_elapsed(struct work_struct *work) if (GEM_SHOW_DEBUG() && (hung | stuck)) { struct drm_printer p = drm_debug_printer("hangcheck"); - for_each_engine(engine, dev_priv, id) { + for_each_engine(engine, gt->i915, id) { if (intel_engine_is_idle(engine)) continue; @@ -314,20 +311,37 @@ static void i915_hangcheck_elapsed(struct work_struct *work) } if (wedged) { - dev_err(dev_priv->drm.dev, + dev_err(gt->i915->drm.dev, "GPU recovery timed out," " cancelling all in-flight rendering.\n"); GEM_TRACE_DUMP(); - i915_gem_set_wedged(dev_priv); + intel_gt_set_wedged(gt); } if (hung) - hangcheck_declare_hang(dev_priv, hung, stuck); + hangcheck_declare_hang(gt, hung, stuck); - intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref); + intel_runtime_pm_put(>->i915->runtime_pm, wakeref); /* Reset timer in case GPU hangs without another request being added */ - i915_queue_hangcheck(dev_priv); + intel_gt_queue_hangcheck(gt); +} + +void intel_gt_queue_hangcheck(struct intel_gt *gt) +{ + unsigned long delay; + + if (unlikely(!i915_modparams.enable_hangcheck)) + return; + + /* + * Don't continually defer the hangcheck so that it is always run at + * least once after work has been scheduled on any ring. Otherwise, + * we will ignore a hung ring if a second ring is kept busy. + */ + + delay = round_jiffies_up_relative(DRM_I915_HANGCHECK_JIFFIES); + queue_delayed_work(system_long_wq, >->hangcheck.work, delay); } void intel_engine_init_hangcheck(struct intel_engine_cs *engine) @@ -336,10 +350,9 @@ void intel_engine_init_hangcheck(struct intel_engine_cs *engine) engine->hangcheck.action_timestamp = jiffies; } -void intel_hangcheck_init(struct drm_i915_private *i915) +void intel_gt_init_hangcheck(struct intel_gt *gt) { - INIT_DELAYED_WORK(&i915->gpu_error.hangcheck_work, - i915_hangcheck_elapsed); + INIT_DELAYED_WORK(>->hangcheck.work, hangcheck_elapsed); } #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST) |