drm/i915/perf: Describe structure members in documentation (71b1c990) · Commits · 戴 / test

drivers/gpu/drm/i915/i915_perf_types.h

+30 −1

Original line number	Diff line number	Diff line
		@@ -199,14 +199,43 @@ 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;

		/**
		@@ -276,7 +305,7 @@ struct i915_perf_stream {
		} oa_buffer;

		/**
		* A batch buffer doing a wait on the GPU for the NOA logic to be
		* @noa_wait: A batch buffer doing a wait on the GPU for the NOA logic to be
		* reprogrammed.
		*/
		struct i915_vma *noa_wait;