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From 34d7662a9fa8167b7375ad0d58e43b48ad182b75 Mon Sep 17 00:00:00 2001
From: Rex Zhu <Rex.Zhu@amd.com>
Date: Tue, 29 Dec 2015 11:22:34 +0800
Subject: [PATCH 0162/1110] drm/amd/powerplay: enable power down asic task.
(v2)
v2: AGD: rebase on upstream
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/powerplay/eventmgr/eventtasks.c | 3 +--
drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c | 17 ++++++++++++++++-
drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h | 2 ++
drivers/gpu/drm/amd/powerplay/inc/hwmgr.h | 6 ++++--
4 files changed, 23 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/amd/powerplay/eventmgr/eventtasks.c b/drivers/gpu/drm/amd/powerplay/eventmgr/eventtasks.c
index f0b4491..5cd1234 100644
--- a/drivers/gpu/drm/amd/powerplay/eventmgr/eventtasks.c
+++ b/drivers/gpu/drm/amd/powerplay/eventmgr/eventtasks.c
@@ -68,8 +68,7 @@ int pem_task_adjust_power_state(struct pp_eventmgr *eventmgr, struct pem_event_d
int pem_task_power_down_asic(struct pp_eventmgr *eventmgr, struct pem_event_data *event_data)
{
- /* TODO */
- return 0;
+ return phm_power_down_asic(eventmgr->hwmgr);
}
int pem_task_set_boot_state(struct pp_eventmgr *eventmgr, struct pem_event_data *event_data)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c
index f9bf4fc..0f2d5e4 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c
@@ -90,6 +90,22 @@ int phm_setup_asic(struct pp_hwmgr *hwmgr)
return 0;
}
+int phm_power_down_asic(struct pp_hwmgr *hwmgr)
+{
+ PHM_FUNC_CHECK(hwmgr);
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_TablelessHardwareInterface)) {
+ if (NULL != hwmgr->hwmgr_func->power_off_asic)
+ return hwmgr->hwmgr_func->power_off_asic(hwmgr);
+ } else {
+ return phm_dispatch_table(hwmgr, &(hwmgr->power_down_asic),
+ NULL, NULL);
+ }
+
+ return 0;
+}
+
int phm_set_power_state(struct pp_hwmgr *hwmgr,
const struct pp_hw_power_state *pcurrent_state,
const struct pp_hw_power_state *pnew_power_state)
@@ -247,7 +263,6 @@ int phm_register_thermal_interrupt(struct pp_hwmgr *hwmgr, const void *info)
*/
int phm_start_thermal_controller(struct pp_hwmgr *hwmgr, struct PP_TemperatureRange *temperature_range)
{
-
return phm_dispatch_table(hwmgr, &(hwmgr->start_thermal_controller), temperature_range, NULL);
}
diff --git a/drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h b/drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h
index a503306..91795ef 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h
@@ -379,5 +379,7 @@ extern int phm_get_dal_power_level(struct pp_hwmgr *hwmgr,
extern int phm_set_cpu_power_state(struct pp_hwmgr *hwmgr);
+extern int phm_power_down_asic(struct pp_hwmgr *hwmgr);
+
#endif /* _HARDWARE_MANAGER_H_ */
diff --git a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
index eb0f1b2..aeaa3db 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
@@ -325,7 +325,8 @@ struct pp_hwmgr_func {
bool cc6_disable, bool pstate_disable,
bool pstate_switch_disable);
int (*get_dal_power_level)(struct pp_hwmgr *hwmgr,
- struct amd_pp_dal_clock_info*info);
+ struct amd_pp_dal_clock_info *info);
+ int (*power_off_asic)(struct pp_hwmgr *hwmgr);
};
struct pp_table_func {
@@ -576,9 +577,10 @@ struct pp_hwmgr {
void *pptable;
struct phm_platform_descriptor platform_descriptor;
void *backend;
- enum PP_DAL_POWERLEVEL dal_power_level;
+ enum PP_DAL_POWERLEVEL dal_power_level;
struct phm_dynamic_state_info dyn_state;
struct phm_runtime_table_header setup_asic;
+ struct phm_runtime_table_header power_down_asic;
struct phm_runtime_table_header disable_dynamic_state_management;
struct phm_runtime_table_header enable_dynamic_state_management;
struct phm_runtime_table_header set_power_state;
--
2.7.4
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