diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gpu_error.c')
-rw-r--r-- | drivers/gpu/drm/i915/i915_gpu_error.c | 46 |
1 files changed, 40 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index dae364f..79dcb8f 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -215,6 +215,24 @@ static void print_error_buffers(struct drm_i915_error_state_buf *m, } } +static const char *hangcheck_action_to_str(enum intel_ring_hangcheck_action a) +{ + switch (a) { + case HANGCHECK_IDLE: + return "idle"; + case HANGCHECK_WAIT: + return "wait"; + case HANGCHECK_ACTIVE: + return "active"; + case HANGCHECK_KICK: + return "kick"; + case HANGCHECK_HUNG: + return "hung"; + } + + return "unknown"; +} + static void i915_ring_error_state(struct drm_i915_error_state_buf *m, struct drm_device *dev, struct drm_i915_error_state *error, @@ -231,7 +249,8 @@ static void i915_ring_error_state(struct drm_i915_error_state_buf *m, err_printf(m, " INSTDONE: 0x%08x\n", error->instdone[ring]); if (ring == RCS && INTEL_INFO(dev)->gen >= 4) err_printf(m, " BBADDR: 0x%08llx\n", error->bbaddr); - + if (INTEL_INFO(dev)->gen >= 4) + err_printf(m, " BB_STATE: 0x%08x\n", error->bbstate[ring]); if (INTEL_INFO(dev)->gen >= 4) err_printf(m, " INSTPS: 0x%08x\n", error->instps[ring]); err_printf(m, " INSTPM: 0x%08x\n", error->instpm[ring]); @@ -255,6 +274,9 @@ static void i915_ring_error_state(struct drm_i915_error_state_buf *m, err_printf(m, " waiting: %s\n", yesno(error->waiting[ring])); err_printf(m, " ring->head: 0x%08x\n", error->cpu_ring_head[ring]); err_printf(m, " ring->tail: 0x%08x\n", error->cpu_ring_tail[ring]); + err_printf(m, " hangcheck: %s [%d]\n", + hangcheck_action_to_str(error->hangcheck_action[ring]), + error->hangcheck_score[ring]); } void i915_error_printf(struct drm_i915_error_state_buf *e, const char *f, ...) @@ -283,13 +305,14 @@ int i915_error_state_to_str(struct drm_i915_error_state_buf *m, err_printf(m, "Time: %ld s %ld us\n", error->time.tv_sec, error->time.tv_usec); err_printf(m, "Kernel: " UTS_RELEASE "\n"); - err_printf(m, "PCI ID: 0x%04x\n", dev->pci_device); + err_printf(m, "PCI ID: 0x%04x\n", dev->pdev->device); err_printf(m, "EIR: 0x%08x\n", error->eir); err_printf(m, "IER: 0x%08x\n", error->ier); err_printf(m, "PGTBL_ER: 0x%08x\n", error->pgtbl_er); err_printf(m, "FORCEWAKE: 0x%08x\n", error->forcewake); err_printf(m, "DERRMR: 0x%08x\n", error->derrmr); err_printf(m, "CCID: 0x%08x\n", error->ccid); + err_printf(m, "Missed interrupts: 0x%08lx\n", dev_priv->gpu_error.missed_irq_rings); for (i = 0; i < dev_priv->num_fence_regs; i++) err_printf(m, " fence[%d] = %08llx\n", i, error->fence[i]); @@ -601,6 +624,7 @@ static void i915_gem_record_fences(struct drm_device *dev, /* Fences */ switch (INTEL_INFO(dev)->gen) { + case 8: case 7: case 6: for (i = 0; i < dev_priv->num_fence_regs; i++) @@ -703,6 +727,7 @@ static void i915_record_ring_state(struct drm_device *dev, error->instps[ring->id] = I915_READ(RING_INSTPS(ring->mmio_base)); if (ring->id == RCS) error->bbaddr = I915_READ64(BB_ADDR); + error->bbstate[ring->id] = I915_READ(RING_BBSTATE(ring->mmio_base)); } else { error->faddr[ring->id] = I915_READ(DMA_FADD_I8XX); error->ipeir[ring->id] = I915_READ(IPEIR); @@ -720,6 +745,9 @@ static void i915_record_ring_state(struct drm_device *dev, error->cpu_ring_head[ring->id] = ring->head; error->cpu_ring_tail[ring->id] = ring->tail; + + error->hangcheck_score[ring->id] = ring->hangcheck.score; + error->hangcheck_action[ring->id] = ring->hangcheck.action; } @@ -769,7 +797,7 @@ static void i915_gem_record_rings(struct drm_device *dev, error->ring[i].num_requests = count; error->ring[i].requests = - kmalloc(count*sizeof(struct drm_i915_error_request), + kcalloc(count, sizeof(*error->ring[i].requests), GFP_ATOMIC); if (error->ring[i].requests == NULL) { error->ring[i].num_requests = 0; @@ -811,7 +839,7 @@ static void i915_gem_capture_vm(struct drm_i915_private *dev_priv, error->pinned_bo_count[ndx] = i - error->active_bo_count[ndx]; if (i) { - active_bo = kmalloc(sizeof(*active_bo)*i, GFP_ATOMIC); + active_bo = kcalloc(i, sizeof(*active_bo), GFP_ATOMIC); if (active_bo) pinned_bo = active_bo + error->active_bo_count[ndx]; } @@ -885,8 +913,12 @@ void i915_capture_error_state(struct drm_device *dev) return; } - DRM_INFO("capturing error event; look for more information in " - "/sys/class/drm/card%d/error\n", dev->primary->index); + DRM_INFO("GPU crash dump saved to /sys/class/drm/card%d/error\n", + dev->primary->index); + DRM_INFO("GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace.\n"); + DRM_INFO("Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel\n"); + DRM_INFO("drm/i915 developers can then reassign to the right component if it's not a kernel issue.\n"); + DRM_INFO("The gpu crash dump is required to analyze gpu hangs, so please always attach it.\n"); kref_init(&error->ref); error->eir = I915_READ(EIR); @@ -988,6 +1020,7 @@ const char *i915_cache_level_str(int type) case I915_CACHE_NONE: return " uncached"; case I915_CACHE_LLC: return " snooped or LLC"; case I915_CACHE_L3_LLC: return " L3+LLC"; + case I915_CACHE_WT: return " WT"; default: return ""; } } @@ -1012,6 +1045,7 @@ void i915_get_extra_instdone(struct drm_device *dev, uint32_t *instdone) default: WARN_ONCE(1, "Unsupported platform\n"); case 7: + case 8: instdone[0] = I915_READ(GEN7_INSTDONE_1); instdone[1] = I915_READ(GEN7_SC_INSTDONE); instdone[2] = I915_READ(GEN7_SAMPLER_INSTDONE); |