Add missing descriptions of i915_perf_stream structure members
to documentation.
Cc: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@xxxxxxxxx>
Cc: Lionel Landwerlin <lionel.g.landwerlin@xxxxxxxxx>
Cc: Robert Bragg <robert@xxxxxxxxxxxxx>
Signed-off-by: Anna Karas <anna.karas@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_drv.h | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 337d8306416a..e269c92f227f 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1130,14 +1130,43 @@ struct i915_perf_stream {
* @pinned_ctx: The OA context specific information.
*/
struct intel_context *pinned_ctx;
+
+ /**
+ * @specific_ctx_id: The id of the specific context.
+ */
u32 specific_ctx_id;
+
+ /**
+ * @specific_ctx_id_mask: The mask used to masking specific_ctx_id bits.
+ */
u32 specific_ctx_id_mask;
+ /**
+ * @poll_check_timer: High resolution timer that will periodically
+ * check for data in the circular OA buffer for notifying userspace
+ * (e.g. during a read() or poll()).
+ */
struct hrtimer poll_check_timer;
+
+ /**
+ * @poll_wq: The wait queue that hrtimer callback wakes when it
+ * sees data ready to read in the circular OA buffer.
+ */
wait_queue_head_t poll_wq;
+
+ /**
+ * @pollin: Whether there is data available to read.
+ */
bool pollin;
+ /**
+ * @periodic: Whether periodic sampling is currently enabled.
+ */
bool periodic;
+
+ /**
+ * @period_exponent: The OA unit sampling frequency is derived from this.
+ */
int period_exponent;
/**
--
2.19.0
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