diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gpu_error.c | 24 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_irq.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.h | 1 |
4 files changed, 32 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index c5f0abaa9a2..1fb01b5b819 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -328,6 +328,8 @@ struct drm_i915_error_state { u32 *active_bo_count, *pinned_bo_count; struct intel_overlay_error_state *overlay; struct intel_display_error_state *display; + int hangcheck_score[I915_NUM_RINGS]; + enum intel_ring_hangcheck_action hangcheck_action[I915_NUM_RINGS]; }; struct intel_crtc_config; diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index aba9d749899..c38d575dc5a 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -213,6 +213,24 @@ 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, @@ -253,6 +271,9 @@ 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, ...) @@ -718,6 +739,9 @@ 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; } diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 9e48cf27db5..5350ef57ec3 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -1975,6 +1975,8 @@ static void i915_hangcheck_elapsed(unsigned long data) if (ring->hangcheck.seqno == seqno) { if (ring_idle(ring, seqno)) { + ring->hangcheck.action = HANGCHECK_IDLE; + if (waitqueue_active(&ring->irq_queue)) { /* Issue a wake-up to catch stuck h/w. */ DRM_ERROR("Hangcheck timer elapsed... %s idle\n", @@ -2003,6 +2005,7 @@ static void i915_hangcheck_elapsed(unsigned long data) acthd); switch (ring->hangcheck.action) { + case HANGCHECK_IDLE: case HANGCHECK_WAIT: break; case HANGCHECK_ACTIVE: @@ -2018,6 +2021,8 @@ static void i915_hangcheck_elapsed(unsigned long data) } } } else { + ring->hangcheck.action = HANGCHECK_ACTIVE; + /* Gradually reduce the count so that we catch DoS * attempts across multiple batches. */ diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index ad2dd65c63f..b5aac570208 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -34,6 +34,7 @@ struct intel_hw_status_page { #define I915_WRITE_IMR(ring, val) I915_WRITE(RING_IMR((ring)->mmio_base), val) enum intel_ring_hangcheck_action { + HANGCHECK_IDLE = 0, HANGCHECK_WAIT, HANGCHECK_ACTIVE, HANGCHECK_KICK, |