diff options
author | Rex Zhu <Rex.Zhu@amd.com> | 2015-08-28 12:56:43 +0800 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2015-12-21 16:42:12 -0500 |
commit | 577bbe01832285f6f5128ae570246e086e37f9d0 (patch) | |
tree | 54e619355f3a50abcea89f639a24bc29a57790ea /drivers/gpu/drm | |
parent | e92a0370575ab985bcdc3ba1520bf946521d62f1 (diff) | |
download | linux-577bbe01832285f6f5128ae570246e086e37f9d0.tar.bz2 |
drm/amd/powerplay: implement functions of amd_powerplay_func
This is the common interface for interacting with the powerplay
module.
v2: squash in fixes
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Acked-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r-- | drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 191 |
1 files changed, 183 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c index 1964a2add63f..66ccfc0fc622 100644 --- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c +++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c @@ -27,6 +27,8 @@ #include "amd_shared.h" #include "amd_powerplay.h" #include "pp_instance.h" +#include "power_state.h" +#include "eventmanager.h" static int pp_early_init(void *handle) { @@ -177,11 +179,31 @@ static int pp_set_powergating_state(void *handle, static int pp_suspend(void *handle) { + struct pp_instance *pp_handle; + struct pp_eventmgr *eventmgr; + struct pem_event_data event_data = { {0} }; + + if (handle == NULL) + return -EINVAL; + + pp_handle = (struct pp_instance *)handle; + eventmgr = pp_handle->eventmgr; + pem_handle_event(eventmgr, AMD_PP_EVENT_SUSPEND, &event_data); return 0; } static int pp_resume(void *handle) { + struct pp_instance *pp_handle; + struct pp_eventmgr *eventmgr; + struct pem_event_data event_data = { {0} }; + + if (handle == NULL) + return -EINVAL; + + pp_handle = (struct pp_instance *)handle; + eventmgr = pp_handle->eventmgr; + pem_handle_event(eventmgr, AMD_PP_EVENT_RESUME, &event_data); return 0; } @@ -215,45 +237,198 @@ static int pp_dpm_fw_loading_complete(void *handle) static int pp_dpm_force_performance_level(void *handle, enum amd_dpm_forced_level level) { + struct pp_instance *pp_handle; + struct pp_hwmgr *hwmgr; + + if (handle == NULL) + return -EINVAL; + + pp_handle = (struct pp_instance *)handle; + + hwmgr = pp_handle->hwmgr; + + if (hwmgr == NULL || hwmgr->hwmgr_func == NULL || + hwmgr->hwmgr_func->force_dpm_level == NULL) + return -EINVAL; + + hwmgr->hwmgr_func->force_dpm_level(hwmgr, level); + return 0; } + static enum amd_dpm_forced_level pp_dpm_get_performance_level( void *handle) { - return 0; + struct pp_hwmgr *hwmgr; + + if (handle == NULL) + return -EINVAL; + + hwmgr = ((struct pp_instance *)handle)->hwmgr; + + if (hwmgr == NULL) + return -EINVAL; + + return (((struct pp_instance *)handle)->hwmgr->dpm_level); } + static int pp_dpm_get_sclk(void *handle, bool low) { - return 0; + 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_sclk == NULL) + return -EINVAL; + + return hwmgr->hwmgr_func->get_sclk(hwmgr, low); } + static int pp_dpm_get_mclk(void *handle, bool low) { - return 0; + 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_mclk == NULL) + return -EINVAL; + + return hwmgr->hwmgr_func->get_mclk(hwmgr, low); } + static int pp_dpm_powergate_vce(void *handle, bool gate) { - return 0; + 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->powergate_vce == NULL) + return -EINVAL; + + return hwmgr->hwmgr_func->powergate_vce(hwmgr, gate); } + static int pp_dpm_powergate_uvd(void *handle, bool gate) { - return 0; + 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->powergate_uvd == NULL) + return -EINVAL; + + return hwmgr->hwmgr_func->powergate_uvd(hwmgr, gate); +} + +static enum PP_StateUILabel power_state_convert(enum amd_pm_state_type state) +{ + switch (state) { + case POWER_STATE_TYPE_BATTERY: + return PP_StateUILabel_Battery; + case POWER_STATE_TYPE_BALANCED: + return PP_StateUILabel_Balanced; + case POWER_STATE_TYPE_PERFORMANCE: + return PP_StateUILabel_Performance; + default: + return PP_StateUILabel_None; + } } int pp_dpm_dispatch_tasks(void *handle, enum amd_pp_event event_id, void *input, void *output) { - return 0; + int ret = 0; + struct pp_instance *pp_handle; + struct pem_event_data data = { {0} }; + + pp_handle = (struct pp_instance *)handle; + + if (pp_handle == NULL) + return -EINVAL; + + switch (event_id) { + case AMD_PP_EVENT_DISPLAY_CONFIG_CHANGE: + ret = pem_handle_event(pp_handle->eventmgr, event_id, &data); + break; + case AMD_PP_EVENT_ENABLE_USER_STATE: + { + enum amd_pm_state_type ps; + + if (input == NULL) + return -EINVAL; + ps = *(unsigned long *)input; + + data.requested_ui_label = power_state_convert(ps); + ret = pem_handle_event(pp_handle->eventmgr, event_id, &data); + } + break; + default: + break; + } + return ret; } + enum amd_pm_state_type pp_dpm_get_current_power_state(void *handle) { - return 0; + struct pp_hwmgr *hwmgr; + struct pp_power_state *state; + + if (handle == NULL) + return -EINVAL; + + hwmgr = ((struct pp_instance *)handle)->hwmgr; + + if (hwmgr == NULL || hwmgr->current_ps == NULL) + return -EINVAL; + + state = hwmgr->current_ps; + + switch (state->classification.ui_label) { + case PP_StateUILabel_Battery: + return POWER_STATE_TYPE_BATTERY; + case PP_StateUILabel_Balanced: + return POWER_STATE_TYPE_BALANCED; + case PP_StateUILabel_Performance: + return POWER_STATE_TYPE_PERFORMANCE; + default: + return POWER_STATE_TYPE_DEFAULT; + } } + static void pp_debugfs_print_current_performance_level(void *handle, struct seq_file *m) { - return; + struct pp_hwmgr *hwmgr; + + if (handle == NULL) + return; + + hwmgr = ((struct pp_instance *)handle)->hwmgr; + + if (hwmgr == NULL || hwmgr->hwmgr_func == NULL || + hwmgr->hwmgr_func->print_current_perforce_level == NULL) + return; + + hwmgr->hwmgr_func->print_current_perforce_level(hwmgr, m); } + const struct amd_powerplay_funcs pp_dpm_funcs = { .get_temperature = NULL, .load_firmware = pp_dpm_load_fw, |