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authorMika Kuoppala <mika.kuoppala@linux.intel.com>2014-02-25 17:11:27 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2014-03-05 21:30:26 +0100
commit48b031e30d46b11fdf7a8075f02f5f9eef728f4d (patch)
tree6c773c0fb3f3024666c11789128e132de49df31d
parent581744626d89930a03f307558182896a4f51173c (diff)
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drm/i915: Add reset count to error state
By default we keep only the error state from first hang. However some sneaky user might have cleared the first error state and we assume mistakenly that it is from first hang. As sometimes this matters, it is better to explicitly store the reset count. Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h1
-rw-r--r--drivers/gpu/drm/i915/i915_gpu_error.c8
2 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 2b0da9592fe8..a6429cc93d1a 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -304,6 +304,7 @@ struct drm_i915_error_state {
struct timeval time;
char error_msg[128];
+ u32 reset_count;
/* Generic register state */
u32 eir;
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index 7b2afa00bccb..353f0770da8f 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -347,6 +347,7 @@ int i915_error_state_to_str(struct drm_i915_error_state_buf *m,
error->ring[i].pid);
}
}
+ err_printf(m, "Reset count: %u\n", error->reset_count);
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);
@@ -1120,6 +1121,12 @@ static void i915_error_capture_msg(struct drm_device *dev,
wedged ? "reset" : "continue");
}
+static void i915_capture_gen_state(struct drm_i915_private *dev_priv,
+ struct drm_i915_error_state *error)
+{
+ error->reset_count = i915_reset_count(&dev_priv->gpu_error);
+}
+
/**
* i915_capture_error_state - capture an error record for later analysis
* @dev: drm device
@@ -1146,6 +1153,7 @@ void i915_capture_error_state(struct drm_device *dev, bool wedged,
kref_init(&error->ref);
+ i915_capture_gen_state(dev_priv, error);
i915_capture_reg_state(dev_priv, error);
i915_gem_capture_buffers(dev_priv, error);
i915_gem_record_fences(dev, error);
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