[16/18] drm/i915/pmu: Prefer drm_WARN_ON over WARN_ON
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Message ID 20200406112800.23762-17-pankaj.laxminarayan.bharadiya@intel.com
State New
Headers show
Series
  • Prefer drm_WARN* over WARN*
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Commit Message

Laxminarayan Bharadiya, Pankaj April 6, 2020, 11:27 a.m. UTC
struct drm_device specific drm_WARN* macros include device information
in the backtrace, so we know what device the warnings originate from.

Prefer drm_WARN_ON over WARN_ON.

Signed-off-by: Pankaj Bharadiya <pankaj.laxminarayan.bharadiya@intel.com>
---
 drivers/gpu/drm/i915/i915_pmu.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

Patch
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diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c
index 2c062534eac1..1d7fffdd938a 100644
--- a/drivers/gpu/drm/i915/i915_pmu.c
+++ b/drivers/gpu/drm/i915/i915_pmu.c
@@ -458,7 +458,10 @@  static void engine_event_destroy(struct perf_event *event)
 
 static void i915_pmu_event_destroy(struct perf_event *event)
 {
-	WARN_ON(event->parent);
+	struct drm_i915_private *i915 =
+		container_of(event->pmu, typeof(*i915), pmu.base);
+
+	drm_WARN_ON(&i915->drm, event->parent);
 
 	if (is_engine_event(event))
 		engine_event_destroy(event);
@@ -1085,8 +1088,10 @@  static int i915_pmu_register_cpuhp_state(struct i915_pmu *pmu)
 
 static void i915_pmu_unregister_cpuhp_state(struct i915_pmu *pmu)
 {
-	WARN_ON(pmu->cpuhp.slot == CPUHP_INVALID);
-	WARN_ON(cpuhp_state_remove_instance(pmu->cpuhp.slot, &pmu->cpuhp.node));
+	struct drm_i915_private *i915 = container_of(pmu, typeof(*i915), pmu);
+
+	drm_WARN_ON(&i915->drm, pmu->cpuhp.slot == CPUHP_INVALID);
+	drm_WARN_ON(&i915->drm, cpuhp_state_remove_instance(pmu->cpuhp.slot, &pmu->cpuhp.node));
 	cpuhp_remove_multi_state(pmu->cpuhp.slot);
 	pmu->cpuhp.slot = CPUHP_INVALID;
 }