[PATCH 4.19 107/125] drm/amd/pm: correct Vega12 swctf limit setting

Greg Kroah-Hartman
2020-09-01T16:52:43Z

From: Evan Quan <evan.quan@amd.com>

commit e0ffd340249699ad27a6c91abdfa3e89f7823941 upstream.

Correct the Vega12 thermal swctf limit.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/gpu/drm/amd/powerplay/hwmgr/vega12_thermal.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_thermal.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_thermal.c
@@ -170,6 +170,8 @@ int vega12_thermal_get_temperature(struc
static int vega12_thermal_set_temperature_range(struct pp_hwmgr *hwmgr,
struct PP_TemperatureRange *range)
{
+ struct phm_ppt_v3_information *pptable_information =
+ (struct phm_ppt_v3_information *)hwmgr->pptable;
struct amdgpu_device *adev = hwmgr->adev;
int low = VEGA12_THERMAL_MINIMUM_ALERT_TEMP *
PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
@@ -179,8 +181,8 @@ static int vega12_thermal_set_temperatur

if (low < range->min)
low = range->min;
- if (high > range->max)
- high = range->max;
+ if (high > pptable_information->us_software_shutdown_temp)
+ high = pptable_information->us_software_shutdown_temp;

if (low > high)
return -EINVAL;