[PATCH v5 03/21] drm/i915: Avoid open-coded use of ratelimit_state structure's ->missed field

From: Paul E. McKenney
Date: Thu May 08 2025 - 19:33:50 EST


The i915_oa_stream_destroy() function directly accesses the
ratelimit_state structure's ->missed field, which works, but which also
makes it more difficult to change this field. Therefore, make use of
the ratelimit_state_get_miss() function instead of directly accessing
the ->missed field.

Link: https://lore.kernel.org/all/fbe93a52-365e-47fe-93a4-44a44547d601@paulmck-laptop/
Link: https://lore.kernel.org/all/20250423115409.3425-1-spasswolf@xxxxxx/
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
Reviewed-by: Petr Mladek <pmladek@xxxxxxxx>
Acked-by: Jani Nikula <jani.nikula@xxxxxxxxx>
Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Cc: Tvrtko Ursulin <tursulin@xxxxxxxxxxx>
Cc: David Airlie <airlied@xxxxxxxxx>
Cc: Simona Vetter <simona@xxxxxxxx>
Cc: <intel-gfx@xxxxxxxxxxxxxxxxxxxxx>
Cc: <dri-devel@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_perf.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
index de0b413600a15..1658f1246c6fa 100644
--- a/drivers/gpu/drm/i915/i915_perf.c
+++ b/drivers/gpu/drm/i915/i915_perf.c
@@ -1666,6 +1666,7 @@ static void i915_oa_stream_destroy(struct i915_perf_stream *stream)
struct i915_perf *perf = stream->perf;
struct intel_gt *gt = stream->engine->gt;
struct i915_perf_group *g = stream->engine->oa_group;
+ int m;

if (WARN_ON(stream != g->exclusive_stream))
return;
@@ -1690,10 +1691,9 @@ static void i915_oa_stream_destroy(struct i915_perf_stream *stream)
free_oa_configs(stream);
free_noa_wait(stream);

- if (perf->spurious_report_rs.missed) {
- gt_notice(gt, "%d spurious OA report notices suppressed due to ratelimiting\n",
- perf->spurious_report_rs.missed);
- }
+ m = ratelimit_state_get_miss(&perf->spurious_report_rs);
+ if (m)
+ gt_notice(gt, "%d spurious OA report notices suppressed due to ratelimiting\n", m);
}

static void gen7_init_oa_buffer(struct i915_perf_stream *stream)
--
2.40.1