drm/i915: Introduce struct intel_gt as replacement for anonymous i915->gt (e5be5c7a) · Commits · 戴 / test

drivers/gpu/drm/i915/gt/intel_gt_types.h

0 → 100644

+52 −0

Original line number	Diff line number	Diff line
		/* SPDX-License-Identifier: MIT */
		/*
		* Copyright © 2019 Intel Corporation
		*/

		#ifndef __INTEL_GT_TYPES__
		#define __INTEL_GT_TYPES__

		#include <linux/ktime.h>
		#include <linux/list.h>
		#include <linux/mutex.h>
		#include <linux/notifier.h>
		#include <linux/spinlock.h>
		#include <linux/types.h>

		#include "i915_vma.h"
		#include "intel_wakeref.h"

		struct intel_gt {
		struct i915_gt_timelines {
		struct mutex mutex; /* protects list, tainted by GPU */
		struct list_head active_list;

		/* Pack multiple timelines' seqnos into the same page */
		spinlock_t hwsp_lock;
		struct list_head hwsp_free_list;
		} timelines;

		struct list_head active_rings;

		struct intel_wakeref wakeref;

		struct list_head closed_vma;
		spinlock_t closed_lock; /* guards the list of closed_vma */

		/**
		* Is the GPU currently considered idle, or busy executing
		* userspace requests? Whilst idle, we allow runtime power
		* management to power down the hardware and display clocks.
		* In order to reduce the effect on performance, there
		* is a slight delay before we do so.
		*/
		intel_wakeref_t awake;

		struct blocking_notifier_head pm_notifications;

		ktime_t last_init_time;

		struct i915_vma *scratch;
		};

		#endif /* __INTEL_GT_TYPES_H__ */

+2 −32

Original line number	Diff line number	Diff line
		@@ -72,6 +72,7 @@

		#include "gt/intel_lrc.h"
		#include "gt/intel_engine.h"
		#include "gt/intel_gt_types.h"
		#include "gt/intel_workarounds.h"

		#include "intel_device_info.h"
		@@ -1824,38 +1825,7 @@ struct drm_i915_private {
		} perf;

		/* Abstract the submission mechanism (legacy ringbuffer or execlists) away */
		struct {
		struct i915_gt_timelines {
		struct mutex mutex; /* protects list, tainted by GPU */
		struct list_head active_list;

		/* Pack multiple timelines' seqnos into the same page */
		spinlock_t hwsp_lock;
		struct list_head hwsp_free_list;
		} timelines;

		struct list_head active_rings;

		struct intel_wakeref wakeref;

		struct list_head closed_vma;
		spinlock_t closed_lock; /* guards the list of closed_vma */

		/**
		* Is the GPU currently considered idle, or busy executing
		* userspace requests? Whilst idle, we allow runtime power
		* management to power down the hardware and display clocks.
		* In order to reduce the effect on performance, there
		* is a slight delay before we do so.
		*/
		intel_wakeref_t awake;

		struct blocking_notifier_head pm_notifications;

		ktime_t last_init_time;

		struct i915_vma *scratch;
		} gt;
		struct intel_gt gt;

		struct {
		struct notifier_block pm_notifier;