Keep track of our wakeref used to keep the device awake so we can catch
any leak.
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
Cc: Jani Nikula <jani.nik...@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuopp...@linux.intel.com>
---
drivers/gpu/drm/i915/i915_drv.h | 2 ++
drivers/gpu/drm/i915/i915_perf.c | 6 +++---
2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index f33dc8a1fd1b..b6d0cd890a19 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1333,6 +1333,8 @@ struct i915_perf_stream {
*/
struct list_head link;
+ intel_wakeref_t wakeref;
+
/**
* @sample_flags: Flags representing the `DRM_I915_PERF_PROP_SAMPLE_*`
* properties given when opening a stream, representing the contents
diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
index e4dfd1477c78..faff6cf1aaa1 100644
--- a/drivers/gpu/drm/i915/i915_perf.c
+++ b/drivers/gpu/drm/i915/i915_perf.c
@@ -1365,7 +1365,7 @@ static void i915_oa_stream_destroy(struct
i915_perf_stream *stream)
free_oa_buffer(dev_priv);
intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
- intel_runtime_pm_put_unchecked(dev_priv);
+ intel_runtime_pm_put(dev_priv, stream->wakeref);
if (stream->ctx)
oa_put_render_ctx_id(stream);
@@ -2087,7 +2087,7 @@ static int i915_oa_stream_init(struct i915_perf_stream
*stream,
* In our case we are expecting that taking pm + FORCEWAKE
* references will effectively disable RC6.
*/
- intel_runtime_pm_get(dev_priv);
+ stream->wakeref = intel_runtime_pm_get(dev_priv);
intel_uncore_forcewake_get(dev_priv, FORCEWAKE_ALL);
ret = alloc_oa_buffer(dev_priv);
@@ -2123,7 +2123,7 @@ static int i915_oa_stream_init(struct i915_perf_stream
*stream,
put_oa_config(dev_priv, stream->oa_config);
intel_uncore_forcewake_put(dev_priv, FORCEWAKE_ALL);
- intel_runtime_pm_put_unchecked(dev_priv);
+ intel_runtime_pm_put(dev_priv, stream->wakeref);
err_config:
if (stream->ctx)
--
2.20.1
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