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drm/tegra: Disable power mode change

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Compile out Power mode change related functionality
under CONFIG_TEGRA_HOST1X_POWERMODE_CONTROL flag.
This flag is currently disabled in 7.0 release
and expected to enabled in 7.2 release.

Jira HOSTX-5933

Change-Id: I7f35c67950e8684927bfdbd99c716cfaa580cb19
Signed-off-by: Mainak Sen <msen@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3311122
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Vamsee Vardhan Thummala <vthummala@nvidia.com>
Reviewed-by: Leslin Varghese <lvarghese@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: Raghavendra Vishnu Kumar <rvk@nvidia.com>
This commit is contained in:
Mainak Sen
2025-02-27 11:55:58 +00:00
committed by Jon Hunter
parent b13657daac
commit 7c0ab66c2a
1 changed files with 19 additions and 11 deletions
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30
drivers/gpu/drm/tegra/virt.c
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@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only // SPDX-License-Identifier: GPL-2.0-only
/* /*
* Copyright (c) 2023-2024, NVIDIA CORPORATION & AFFILIATES. All rights reserved. * Copyright (c) 2023-2025, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
*/ */
#include <nvidia/conftest.h> #include <nvidia/conftest.h>
@@ -288,16 +288,6 @@ static int virt_engine_resume(struct device *dev)
return virt_engine_transfer(&msg, sizeof(msg)); return virt_engine_transfer(&msg, sizeof(msg));
} }
static int virt_engine_power_mode_change(struct virt_engine *virt, u32 ip_op_mode)
{
struct tegra_vhost_cmd_msg msg = { 0 };
struct tegra_vhost_power_mode_change_params *p = &msg.pw_mode;
msg.cmd = TEGRA_VHOST_CMD_POWER_MODE_CHANGE;
p->ip_op_mode = ip_op_mode;
return virt_engine_transfer(&msg, sizeof(msg));
}
#ifdef CONFIG_DEBUG_FS #ifdef CONFIG_DEBUG_FS
static int mrq_debug_open(struct tegra_bpmp *bpmp, const char *name, static int mrq_debug_open(struct tegra_bpmp *bpmp, const char *name,
u32 *fd, u32 *len, bool write) u32 *fd, u32 *len, bool write)
@@ -567,6 +557,17 @@ static void virt_engine_cleanup_actmon_debugfs(struct virt_engine *virt)
} }
#endif #endif
#ifdef CONFIG_TEGRA_HOST1X_POWERMODE_CONTROL
static int virt_engine_power_mode_change(struct virt_engine *virt, u32 ip_op_mode)
{
struct tegra_vhost_cmd_msg msg = { 0 };
struct tegra_vhost_power_mode_change_params *p = &msg.pw_mode;
msg.cmd = TEGRA_VHOST_CMD_POWER_MODE_CHANGE;
p->ip_op_mode = ip_op_mode;
return virt_engine_transfer(&msg, sizeof(msg));
}
static ssize_t virt_engine_powermode_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf) static ssize_t virt_engine_powermode_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf)
{ {
struct virt_engine *virt = container_of(kobj, struct virt_engine, kobj); struct virt_engine *virt = container_of(kobj, struct virt_engine, kobj);
@@ -625,6 +626,7 @@ static void virt_engine_sysfs_exit(struct virt_engine *virt)
sysfs_remove_file(&virt->kobj, &virt->powermode_attr.attr); sysfs_remove_file(&virt->kobj, &virt->powermode_attr.attr);
kobject_put(&virt->kobj); kobject_put(&virt->kobj);
} }
#endif
static const struct of_device_id tegra_virt_engine_of_match[] = { static const struct of_device_id tegra_virt_engine_of_match[] = {
{ .compatible = "nvidia,tegra234-host1x-virtual-engine" }, { .compatible = "nvidia,tegra234-host1x-virtual-engine" },
@@ -814,7 +816,10 @@ static int virt_engine_probe(struct platform_device *pdev)
#ifdef CONFIG_DEBUG_FS #ifdef CONFIG_DEBUG_FS
virt_engine_setup_actmon_debugfs(virt); virt_engine_setup_actmon_debugfs(virt);
#endif #endif
#ifdef CONFIG_TEGRA_HOST1X_POWERMODE_CONTROL
virt_engine_sysfs_init(virt); virt_engine_sysfs_init(virt);
#endif
#ifndef CONFIG_TEGRA_SYSTEM_TYPE_ACK #ifndef CONFIG_TEGRA_SYSTEM_TYPE_ACK
hwpm_ip_index = virt_engine_get_ip_index(pdev->name); hwpm_ip_index = virt_engine_get_ip_index(pdev->name);
@@ -864,7 +869,10 @@ static int virt_engine_remove(struct platform_device *pdev)
#ifdef CONFIG_DEBUG_FS #ifdef CONFIG_DEBUG_FS
virt_engine_cleanup_actmon_debugfs(virt_engine); virt_engine_cleanup_actmon_debugfs(virt_engine);
#endif #endif
#ifdef CONFIG_TEGRA_HOST1X_POWERMODE_CONTROL
virt_engine_sysfs_exit(virt_engine); virt_engine_sysfs_exit(virt_engine);
#endif
virt_engine_cleanup(); virt_engine_cleanup();
host1x_client_unregister(&virt_engine->client.base); host1x_client_unregister(&virt_engine->client.base);