diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 80 |
1 files changed, 60 insertions, 20 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 3fc286cd..bd6c8b0 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -2551,18 +2551,44 @@ static void i915_reset_and_wakeup(struct drm_i915_private *dev_priv) wake_up_all(&dev_priv->gpu_error.reset_queue); } +static inline void +i915_err_print_instdone(struct drm_i915_private *dev_priv, + struct intel_instdone *instdone) +{ + int slice; + int subslice; + + pr_err(" INSTDONE: 0x%08x\n", instdone->instdone); + + if (INTEL_GEN(dev_priv) <= 3) + return; + + pr_err(" SC_INSTDONE: 0x%08x\n", instdone->slice_common); + + if (INTEL_GEN(dev_priv) <= 6) + return; + + for_each_instdone_slice_subslice(dev_priv, slice, subslice) + pr_err(" SAMPLER_INSTDONE[%d][%d]: 0x%08x\n", + slice, subslice, instdone->sampler[slice][subslice]); + + for_each_instdone_slice_subslice(dev_priv, slice, subslice) + pr_err(" ROW_INSTDONE[%d][%d]: 0x%08x\n", + slice, subslice, instdone->row[slice][subslice]); +} + static void i915_report_and_clear_eir(struct drm_i915_private *dev_priv) { - uint32_t instdone[I915_NUM_INSTDONE_REG]; + struct intel_instdone instdone; u32 eir = I915_READ(EIR); - int pipe, i; + int pipe; if (!eir) return; pr_err("render error detected, EIR: 0x%08x\n", eir); - i915_get_extra_instdone(dev_priv, instdone); + i915_get_engine_instdone(dev_priv, RCS, &instdone); if (IS_G4X(dev_priv)) { if (eir & (GM45_ERROR_MEM_PRIV | GM45_ERROR_CP_PRIV)) { @@ -2570,8 +2596,7 @@ static void i915_report_and_clear_eir(struct drm_i915_private *dev_priv) pr_err(" IPEIR: 0x%08x\n", I915_READ(IPEIR_I965)); pr_err(" IPEHR: 0x%08x\n", I915_READ(IPEHR_I965)); - for (i = 0; i < ARRAY_SIZE(instdone); i++) - pr_err(" INSTDONE_%d: 0x%08x\n", i, instdone[i]); + i915_err_print_instdone(dev_priv, &instdone); pr_err(" INSTPS: 0x%08x\n", I915_READ(INSTPS)); pr_err(" ACTHD: 0x%08x\n", I915_READ(ACTHD_I965)); I915_WRITE(IPEIR_I965, ipeir); @@ -2606,8 +2631,7 @@ static void i915_report_and_clear_eir(struct drm_i915_private *dev_priv) if (eir & I915_ERROR_INSTRUCTION) { pr_err("instruction error\n"); pr_err(" INSTPM: 0x%08x\n", I915_READ(INSTPM)); - for (i = 0; i < ARRAY_SIZE(instdone); i++) - pr_err(" INSTDONE_%d: 0x%08x\n", i, instdone[i]); + i915_err_print_instdone(dev_priv, &instdone); if (INTEL_GEN(dev_priv) < 4) { u32 ipeir = I915_READ(IPEIR); @@ -2954,30 +2978,46 @@ static void semaphore_clear_deadlocks(struct drm_i915_private *dev_priv) engine->hangcheck.deadlock = 0; } +static bool instdone_unchanged(u32 current_instdone, u32 *old_instdone) +{ + u32 tmp = current_instdone | *old_instdone; + bool unchanged; + + unchanged = tmp == *old_instdone; + *old_instdone |= tmp; + + return unchanged; +} + static bool subunits_stuck(struct intel_engine_cs *engine) { - u32 instdone[I915_NUM_INSTDONE_REG]; + struct drm_i915_private *dev_priv = engine->i915; + struct intel_instdone instdone; + struct intel_instdone *accu_instdone = &engine->hangcheck.instdone; bool stuck; - int i; + int slice; + int subslice; if (engine->id != RCS) return true; - i915_get_extra_instdone(engine->i915, instdone); + i915_get_engine_instdone(dev_priv, RCS, &instdone); /* There might be unstable subunit states even when * actual head is not moving. Filter out the unstable ones by * accumulating the undone -> done transitions and only * consider those as progress. */ - stuck = true; - for (i = 0; i < I915_NUM_INSTDONE_REG; i++) { - const u32 tmp = instdone[i] | engine->hangcheck.instdone[i]; - - if (tmp != engine->hangcheck.instdone[i]) - stuck = false; - - engine->hangcheck.instdone[i] |= tmp; + stuck = instdone_unchanged(instdone.instdone, + &accu_instdone->instdone); + stuck &= instdone_unchanged(instdone.slice_common, + &accu_instdone->slice_common); + + for_each_instdone_slice_subslice(dev_priv, slice, subslice) { + stuck &= instdone_unchanged(instdone.sampler[slice][subslice], + &accu_instdone->sampler[slice][subslice]); + stuck &= instdone_unchanged(instdone.row[slice][subslice], + &accu_instdone->row[slice][subslice]); } return stuck; @@ -2989,7 +3029,7 @@ head_stuck(struct intel_engine_cs *engine, u64 acthd) if (acthd != engine->hangcheck.acthd) { /* Clear subunit states on head movement */ - memset(engine->hangcheck.instdone, 0, + memset(&engine->hangcheck.instdone, 0, sizeof(engine->hangcheck.instdone)); return HANGCHECK_ACTIVE; @@ -3159,7 +3199,7 @@ static void i915_hangcheck_elapsed(struct work_struct *work) /* Clear head and subunit states on seqno movement */ acthd = 0; - memset(engine->hangcheck.instdone, 0, + memset(&engine->hangcheck.instdone, 0, sizeof(engine->hangcheck.instdone)); } |
