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drm/amdgpu/powerplay: implement fan control interface in amd_powerplay_funcs

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This adds the interface needed to expose powerplay fan control to sysfs
via hwmon.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu 2015-10-16 11:48:21 +08:00 committed by Alex Deucher
parent 1e4854e96c
commit cac9a19919
2 changed files with 88 additions and 1 deletions
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85
drivers/gpu/drm/amd/powerplay/amd_powerplay.c
View File

@ -428,9 +428,88 @@ pp_debugfs_print_current_performance_level(void *handle,
hwmgr->hwmgr_func->print_current_perforce_level(hwmgr, m);
}
static int pp_dpm_set_fan_control_mode(void *handle, uint32_t mode)
{
struct pp_hwmgr *hwmgr;
if (handle == NULL)
return -EINVAL;
hwmgr = ((struct pp_instance *)handle)->hwmgr;
if (hwmgr == NULL || hwmgr->hwmgr_func == NULL ||
hwmgr->hwmgr_func->set_fan_control_mode == NULL)
return -EINVAL;
return hwmgr->hwmgr_func->set_fan_control_mode(hwmgr, mode);
}
static int pp_dpm_get_fan_control_mode(void *handle)
{
struct pp_hwmgr *hwmgr;
if (handle == NULL)
return -EINVAL;
hwmgr = ((struct pp_instance *)handle)->hwmgr;
if (hwmgr == NULL || hwmgr->hwmgr_func == NULL ||
hwmgr->hwmgr_func->get_fan_control_mode == NULL)
return -EINVAL;
return hwmgr->hwmgr_func->get_fan_control_mode(hwmgr);
}
static int pp_dpm_set_fan_speed_percent(void *handle, uint32_t percent)
{
struct pp_hwmgr *hwmgr;
if (handle == NULL)
return -EINVAL;
hwmgr = ((struct pp_instance *)handle)->hwmgr;
if (hwmgr == NULL || hwmgr->hwmgr_func == NULL ||
hwmgr->hwmgr_func->set_fan_speed_percent == NULL)
return -EINVAL;
return hwmgr->hwmgr_func->set_fan_speed_percent(hwmgr, percent);
}
static int pp_dpm_get_fan_speed_percent(void *handle, uint32_t *speed)
{
struct pp_hwmgr *hwmgr;
if (handle == NULL)
return -EINVAL;
hwmgr = ((struct pp_instance *)handle)->hwmgr;
if (hwmgr == NULL || hwmgr->hwmgr_func == NULL ||
hwmgr->hwmgr_func->get_fan_speed_percent == NULL)
return -EINVAL;
return hwmgr->hwmgr_func->get_fan_speed_percent(hwmgr, speed);
}
static int pp_dpm_get_temperature(void *handle)
{
struct pp_hwmgr *hwmgr;
if (handle == NULL)
return -EINVAL;
hwmgr = ((struct pp_instance *)handle)->hwmgr;
if (hwmgr == NULL || hwmgr->hwmgr_func == NULL ||
hwmgr->hwmgr_func->get_temperature == NULL)
return -EINVAL;
return hwmgr->hwmgr_func->get_temperature(hwmgr);
}
const struct amd_powerplay_funcs pp_dpm_funcs = {
.get_temperature = NULL,
.get_temperature = pp_dpm_get_temperature,
.load_firmware = pp_dpm_load_fw,
.wait_for_fw_loading_complete = pp_dpm_fw_loading_complete,
.force_performance_level = pp_dpm_force_performance_level,
@ -442,6 +521,10 @@ const struct amd_powerplay_funcs pp_dpm_funcs = {
.powergate_uvd = pp_dpm_powergate_uvd,
.dispatch_tasks = pp_dpm_dispatch_tasks,
.print_current_performance_level = pp_debugfs_print_current_performance_level,
.set_fan_control_mode = pp_dpm_set_fan_control_mode,
.get_fan_control_mode = pp_dpm_get_fan_control_mode,
.set_fan_speed_percent = pp_dpm_set_fan_speed_percent,
.get_fan_speed_percent = pp_dpm_get_fan_speed_percent,
};
static int amd_pp_instance_init(struct amd_pp_init *pp_init,

4
drivers/gpu/drm/amd/powerplay/inc/amd_powerplay.h
View File

@ -187,6 +187,10 @@ struct amd_powerplay_funcs {
void *input, void *output);
void (*print_current_performance_level)(void *handle,
struct seq_file *m);
int (*set_fan_control_mode)(void *handle, uint32_t mode);
int (*get_fan_control_mode)(void *handle);
int (*set_fan_speed_percent)(void *handle, uint32_t percent);
int (*get_fan_speed_percent)(void *handle, uint32_t *speed);
};
struct amd_powerplay {