Score and action reveal what the rings were doing
when hang was declared.
Signed-off-by: Mika Kuoppala <[email protected]>
---
drivers/gpu/drm/i915/i915_drv.h | 2 ++
drivers/gpu/drm/i915/i915_gpu_error.c | 22 ++++++++++++++++++++++
2 files changed, 24 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 2c5f3bc..16629cc 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -326,6 +326,8 @@ 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 aba9d74..7e92ba8 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -213,6 +213,22 @@ 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_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 +269,9 @@ 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_action: %s\n",
+ hangcheck_action_to_str(error->hangcheck_action[ring]));
+ err_printf(m, " hangcheck_score: %d\n", error->hangcheck_score[ring]);
}
void i915_error_printf(struct drm_i915_error_state_buf *e, const char *f, ...)
@@ -718,6 +737,9 @@ 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;
}
--
1.7.9.5
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