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authorRex Zhu <Rex.Zhu@amd.com>2016-11-29 18:33:19 +0800
committerAlex Deucher <alexander.deucher@amd.com>2016-12-06 18:08:32 -0500
commitf5f857f45d3371d032f016dd9f123a93bdf3eefc (patch)
tree7b656715b3b972a2e15e14a395278c367e30191c
parent8201a67a49a048953c8af60cc0d5ceb4a5db26f1 (diff)
drm/amd/powerplay: disable cg pg task when pp uninitialize.
fix bug on uvd pg enabled, when reboot vm in pass through case, we need to notify smu power up uvd/vce if they were power down. otherwise, the vbios post will fail. 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>
-rw-r--r--drivers/gpu/drm/amd/powerplay/eventmgr/eventtasks.c2
-rw-r--r--drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c13
-rw-r--r--drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h1
3 files changed, 15 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/eventmgr/eventtasks.c b/drivers/gpu/drm/amd/powerplay/eventmgr/eventtasks.c
index b6f45fd01fa6..ec36c0e28388 100644
--- a/drivers/gpu/drm/amd/powerplay/eventmgr/eventtasks.c
+++ b/drivers/gpu/drm/amd/powerplay/eventmgr/eventtasks.c
@@ -154,7 +154,7 @@ int pem_task_powerdown_vce_tasks(struct pp_eventmgr *eventmgr, struct pem_event_
int pem_task_disable_clock_power_gatings_tasks(struct pp_eventmgr *eventmgr, struct pem_event_data *event_data)
{
- /* TODO */
+ phm_disable_clock_power_gatings(eventmgr->hwmgr);
return 0;
}
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c
index 0723758ed065..c355a0f51663 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c
@@ -209,6 +209,19 @@ int phm_enable_clock_power_gatings(struct pp_hwmgr *hwmgr)
return 0;
}
+int phm_disable_clock_power_gatings(struct pp_hwmgr *hwmgr)
+{
+ PHM_FUNC_CHECK(hwmgr);
+
+ if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_TablelessHardwareInterface)) {
+ if (NULL != hwmgr->hwmgr_func->disable_clock_power_gating)
+ return hwmgr->hwmgr_func->disable_clock_power_gating(hwmgr);
+ }
+ return 0;
+}
+
+
int phm_display_configuration_changed(struct pp_hwmgr *hwmgr)
{
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 d4495839c64c..26129972f686 100644
--- a/drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h
+++ b/drivers/gpu/drm/amd/powerplay/inc/hardwaremanager.h
@@ -334,6 +334,7 @@ struct phm_clocks {
uint32_t clock[MAX_NUM_CLOCKS];
};
+extern int phm_disable_clock_power_gatings(struct pp_hwmgr *hwmgr);
extern int phm_enable_clock_power_gatings(struct pp_hwmgr *hwmgr);
extern int phm_powergate_uvd(struct pp_hwmgr *hwmgr, bool gate);
extern int phm_powergate_vce(struct pp_hwmgr *hwmgr, bool gate);