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From 6c152c0ae63512ee7eda1a08bdc4c640a17ba194 Mon Sep 17 00:00:00 2001
From: Rex Zhu <Rex.Zhu@amd.com>
Date: Thu, 17 Dec 2015 14:20:06 +0800
Subject: [PATCH 0134/1110] drm/amd/powerplay: check whether need to enable
thermal control. (v2)
In I+A platform(skylake), it is controlled by intel.
v2: integrate Tom's fix
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
---
drivers/gpu/drm/amd/powerplay/eventmgr/eventtasks.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/powerplay/eventmgr/eventtasks.c b/drivers/gpu/drm/amd/powerplay/eventmgr/eventtasks.c
index 0a03f79..f0700d0 100644
--- a/drivers/gpu/drm/amd/powerplay/eventmgr/eventtasks.c
+++ b/drivers/gpu/drm/amd/powerplay/eventmgr/eventtasks.c
@@ -418,10 +418,17 @@ restart_search:
int pem_task_initialize_thermal_controller(struct pp_eventmgr *eventmgr, struct pem_event_data *event_data)
{
struct PP_TemperatureRange range;
+
range.max = TEMP_RANGE_MAX;
range.min = TEMP_RANGE_MIN;
- return phm_start_thermal_controller(eventmgr->hwmgr, &range);
+ if (eventmgr == NULL || eventmgr->platform_descriptor == NULL)
+ return -EINVAL;
+
+ if (phm_cap_enabled(eventmgr->platform_descriptor->platformCaps, PHM_PlatformCaps_ThermalController))
+ return phm_start_thermal_controller(eventmgr->hwmgr, &range);
+
+ return 0;
}
int pem_task_uninitialize_thermal_controller(struct pp_eventmgr *eventmgr, struct pem_event_data *event_data)
--
2.7.4
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