I'm not super familiar with all the documentation stuff, but this looks
good to me.
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@xxxxxxxxx>
On 08/02/18 11:11, Chris Wilson wrote:
drivers/gpu/drm/i915/i915_gpu_error.c:1815: warning: No description found for parameter 'dev_priv'
drivers/gpu/drm/i915/i915_gpu_error.c:1815: warning: No description found for parameter 'engine_mask'
drivers/gpu/drm/i915/i915_gpu_error.c:1815: warning: No description found for parameter 'error_msg'
drivers/gpu/drm/i915/i915_gpu_error.c:1815: warning: Excess function parameter 'dev' description in 'i915_capture_error_state'
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gpu_error.c | 22 ++++++++++++----------
1 file changed, 12 insertions(+), 10 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index 7f82c6062c44..161d9103a65e 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -1805,14 +1805,16 @@ i915_capture_gpu_state(struct drm_i915_private *i915)
/**
* i915_capture_error_state - capture an error record for later analysis
- * @dev: drm device
+ * @i915: i915 device
+ * @engine_mask: the mask of engines triggering the hang
+ * @error_msg: a message to insert into the error capture header
*
* Should be called when an error is detected (either a hang or an error
* interrupt) to capture error state from the time of the error. Fills
* out a structure which becomes available in debugfs for user level tools
* to pick up.
*/
-void i915_capture_error_state(struct drm_i915_private *dev_priv,
+void i915_capture_error_state(struct drm_i915_private *i915,
u32 engine_mask,
const char *error_msg)
{
@@ -1823,25 +1825,25 @@ void i915_capture_error_state(struct drm_i915_private *dev_priv,
if (!i915_modparams.error_capture)
return;
- if (READ_ONCE(dev_priv->gpu_error.first_error))
+ if (READ_ONCE(i915->gpu_error.first_error))
return;
- error = i915_capture_gpu_state(dev_priv);
+ error = i915_capture_gpu_state(i915);
if (!error) {
DRM_DEBUG_DRIVER("out of memory, not capturing error state\n");
return;
}
- i915_error_capture_msg(dev_priv, error, engine_mask, error_msg);
+ i915_error_capture_msg(i915, error, engine_mask, error_msg);
DRM_INFO("%s\n", error->error_msg);
if (!error->simulated) {
- spin_lock_irqsave(&dev_priv->gpu_error.lock, flags);
- if (!dev_priv->gpu_error.first_error) {
- dev_priv->gpu_error.first_error = error;
+ spin_lock_irqsave(&i915->gpu_error.lock, flags);
+ if (!i915->gpu_error.first_error) {
+ i915->gpu_error.first_error = error;
error = NULL;
}
- spin_unlock_irqrestore(&dev_priv->gpu_error.lock, flags);
+ spin_unlock_irqrestore(&i915->gpu_error.lock, flags);
}
if (error) {
@@ -1856,7 +1858,7 @@ void i915_capture_error_state(struct drm_i915_private *dev_priv,
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");
DRM_INFO("GPU crash dump saved to /sys/class/drm/card%d/error\n",
- dev_priv->drm.primary->index);
+ i915->drm.primary->index);
warned = true;
}
}
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