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gpu: host1x: Add actmon registration interface

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Provide the actmon registration interface for host1x clients. The
registration process will create the debugfs for the actmon associated
with the host1x client, and initialize the actmon registers.

Bug 3788919

Signed-off-by: Johnny Liu <johnliu@nvidia.com>
Change-Id: I313bf52a5eda1663e26c2579788a873ca4081459
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2886696
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Johnny Liu
2023-04-12 09:20:00 +00:00
committed by mobile promotions
parent d99906cfaa
commit fa8cf02e87
7 changed files with 559 additions and 4 deletions
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14
drivers/gpu/host1x/include/linux/host1x-next.h
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@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (c) 2009-2013, NVIDIA Corporation. All rights reserved.
* Copyright (c) 2009-2023, NVIDIA Corporation. All rights reserved.
*/
#ifndef __LINUX_HOST1X_H
@@ -68,6 +68,7 @@ static inline void host1x_bo_cache_destroy(struct host1x_bo_cache *cache)
* @late_exit: host1x client late tear down code
* @suspend: host1x client suspend code
* @resume: host1x client resume code
* @get_rate: host1x client get clock rate code
*/
struct host1x_client_ops {
int (*early_init)(struct host1x_client *client);
@@ -76,8 +77,11 @@ struct host1x_client_ops {
int (*late_exit)(struct host1x_client *client);
int (*suspend)(struct host1x_client *client);
int (*resume)(struct host1x_client *client);
unsigned long (*get_rate)(struct host1x_client *client);
};
struct host1x_actmon;
/**
* struct host1x_client - host1x client structure
* @list: list node for the host1x client
@@ -93,6 +97,7 @@ struct host1x_client_ops {
* @usecount: reference count for this structure
* @lock: mutex for mutually exclusive concurrency
* @cache: host1x buffer object cache
* @actmon: unit actmon for this client
*/
struct host1x_client {
struct list_head list;
@@ -113,6 +118,8 @@ struct host1x_client {
struct mutex lock;
struct host1x_bo_cache cache;
struct host1x_actmon *actmon;
};
/*
@@ -507,5 +514,10 @@ static inline void host1x_memory_context_put(struct host1x_memory_context *cd)
#endif
int host1x_actmon_read_avg_count(struct host1x_client *client);
int host1x_actmon_register(struct host1x_client *client);
int host1x_actmon_unregister(struct host1x_client *client);
void host1x_actmon_update_client_rate(struct host1x_client *client,
unsigned long rate,
u32 *weight);
#endif