From: Eric Huang <JinHuiEric.Huang@xxxxxxx>
Add an interface to disable dpm so that we can disable dpm before
updating pptables at runtime.
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
.../gpu/drm/amd/powerplay/eventmgr/eventtasks.c | 3 +--
.../gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c | 24 ++++++++++++++++++++++
.../gpu/drm/amd/powerplay/inc/hardwaremanager.h | 1 +
drivers/gpu/drm/amd/powerplay/inc/hwmgr.h | 2 ++
4 files changed, 28 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/powerplay/eventmgr/eventtasks.c b/drivers/gpu/drm/amd/powerplay/eventmgr/eventtasks.c
index 5cd1234..b6f45fd 100644
--- a/drivers/gpu/drm/amd/powerplay/eventmgr/eventtasks.c
+++ b/drivers/gpu/drm/amd/powerplay/eventmgr/eventtasks.c
@@ -132,8 +132,7 @@ int pem_task_enable_dynamic_state_management(struct pp_eventmgr *eventmgr, struc
int pem_task_disable_dynamic_state_management(struct pp_eventmgr *eventmgr, struct pem_event_data *event_data)
{
- /* TODO */
- return 0;
+ return phm_disable_dynamic_state_management(eventmgr->hwmgr);
}
int pem_task_enable_clock_power_gatings_tasks(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 fa208ad..1e71ebf 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c
@@ -154,6 +154,30 @@ int phm_enable_dynamic_state_management(struct pp_hwmgr *hwmgr)
return ret;
}
+int phm_disable_dynamic_state_management(struct pp_hwmgr *hwmgr)
+{
+ int ret = -1;
+ bool enabled;
+
+ PHM_FUNC_CHECK(hwmgr);
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_TablelessHardwareInterface)) {
+ if (hwmgr->hwmgr_func->dynamic_state_management_disable)
+ ret = hwmgr->hwmgr_func->dynamic_state_management_disable(hwmgr);
+ } else {
+ ret = phm_dispatch_table(hwmgr,
+ &(hwmgr->disable_dynamic_state_management),
+ NULL, NULL);
+ }
+
+ enabled = ret == 0 ? false : true;
+
+ cgs_notify_dpm_enabled(hwmgr->device, enabled);
+
+ return ret;
+}
+
int phm_force_dpm_levels(struct pp_hwmgr *hwmgr, enum amd_dpm_forced_level level)
{
PHM_FUNC_CHECK(hwmgr);
diff --git a/drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h b/drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h
index 56f712c..962cb53 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h
@@ -340,6 +340,7 @@ extern int phm_powergate_vce(struct pp_hwmgr *hwmgr, bool gate);
extern int phm_powerdown_uvd(struct pp_hwmgr *hwmgr);
extern int phm_setup_asic(struct pp_hwmgr *hwmgr);
extern int phm_enable_dynamic_state_management(struct pp_hwmgr *hwmgr);
+extern int phm_disable_dynamic_state_management(struct pp_hwmgr *hwmgr);
extern void phm_init_dynamic_caps(struct pp_hwmgr *hwmgr);
extern bool phm_is_hw_access_blocked(struct pp_hwmgr *hwmgr);
extern int phm_block_hw_access(struct pp_hwmgr *hwmgr, bool block);
diff --git a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
index bcb224b..8ef011e 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
@@ -278,6 +278,8 @@ struct pp_hwmgr_func {
int (*dynamic_state_management_enable)(
struct pp_hwmgr *hw_mgr);
+ int (*dynamic_state_management_disable)(
+ struct pp_hwmgr *hw_mgr);
int (*patch_boot_state)(struct pp_hwmgr *hwmgr,
struct pp_hw_power_state *hw_ps);
--
2.5.5
