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drm/amd/powerplay: do proper cleanups on hw_fini

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These are needed for smu_reset support.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Jack Gui <Jack.Gui@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Evan Quan 2019-09-02 12:37:23 +08:00 committed by Alex Deucher
parent c66846e069
commit faa695c715
3 changed files with 30 additions and 0 deletions
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17
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
View file

@ -1283,6 +1283,11 @@ static int smu_hw_init(void *handle)
return ret;
}
static int smu_stop_dpms(struct smu_context *smu)
{
return smu_send_smc_msg(smu, SMU_MSG_DisableAllSmuFeatures);
}
static int smu_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
@ -1295,6 +1300,18 @@ static int smu_hw_fini(void *handle)
smu_powergate_vcn(&adev->smu, true);
}
ret = smu_stop_thermal_control(smu);
if (ret) {
pr_warn("Fail to stop thermal control!\n");
return ret;
}
ret = smu_stop_dpms(smu);
if (ret) {
pr_warn("Fail to stop Dpms!\n");
return ret;
}
kfree(table_context->driver_pptable);
table_context->driver_pptable = NULL;

3
drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
View file

@ -498,6 +498,7 @@ struct smu_funcs
int (*get_current_clk_freq)(struct smu_context *smu, enum smu_clk_type clk_id, uint32_t *value);
int (*init_max_sustainable_clocks)(struct smu_context *smu);
int (*start_thermal_control)(struct smu_context *smu);
int (*stop_thermal_control)(struct smu_context *smu);
int (*read_sensor)(struct smu_context *smu, enum amd_pp_sensors sensor,
void *data, uint32_t *size);
int (*set_deep_sleep_dcefclk)(struct smu_context *smu, uint32_t clk);
@ -647,6 +648,8 @@ struct smu_funcs
((smu)->ppt_funcs->set_thermal_fan_table ? (smu)->ppt_funcs->set_thermal_fan_table((smu)) : 0)
#define smu_start_thermal_control(smu) \
((smu)->funcs->start_thermal_control? (smu)->funcs->start_thermal_control((smu)) : 0)
#define smu_stop_thermal_control(smu) \
((smu)->funcs->stop_thermal_control? (smu)->funcs->stop_thermal_control((smu)) : 0)
#define smu_read_sensor(smu, sensor, data, size) \
((smu)->ppt_funcs->read_sensor? (smu)->ppt_funcs->read_sensor((smu), (sensor), (data), (size)) : 0)
#define smu_smc_read_sensor(smu, sensor, data, size) \

10
drivers/gpu/drm/amd/powerplay/smu_v11_0.c
View file

@ -1212,6 +1212,15 @@ static int smu_v11_0_start_thermal_control(struct smu_context *smu)
return ret;
}
static int smu_v11_0_stop_thermal_control(struct smu_context *smu)
{
struct amdgpu_device *adev = smu->adev;
WREG32_SOC15(THM, 0, mmTHM_THERMAL_INT_ENA, 0);
return 0;
}
static uint16_t convert_to_vddc(uint8_t vid)
{
return (uint16_t) ((6200 - (vid * 25)) / SMU11_VOLTAGE_SCALE);
@ -1787,6 +1796,7 @@ static const struct smu_funcs smu_v11_0_funcs = {
.get_current_clk_freq = smu_v11_0_get_current_clk_freq,
.init_max_sustainable_clocks = smu_v11_0_init_max_sustainable_clocks,
.start_thermal_control = smu_v11_0_start_thermal_control,
.stop_thermal_control = smu_v11_0_stop_thermal_control,
.read_sensor = smu_v11_0_read_sensor,
.set_deep_sleep_dcefclk = smu_v11_0_set_deep_sleep_dcefclk,
.display_clock_voltage_request = smu_v11_0_display_clock_voltage_request,