openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/amd/powerplay: implement sysfs of pp_cur_state function 

add function of smu_get_currente_state for sw-smu.

v2: fix code typo error if (ret);

Signed-off-by: Kevin Wang <Kevin1.Wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Kevin Wang 2019-01-17 13:29:06 +08:00 committed by Alex Deucher
parent 0989532330
commit ea2d0bf8c7
3 changed files with 23 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
View File

@ -377,23 +377,29 @@ static ssize_t amdgpu_get_pp_cur_state(struct device *dev,
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = ddev->dev_private;
struct pp_states_info data;
struct smu_context *smu = &adev->smu;
enum amd_pm_state_type pm = 0;
int i = 0;
int i = 0, ret = 0;
if (adev->powerplay.pp_funcs->get_current_power_state
if (is_support_sw_smu(adev)) {
pm = smu_get_current_power_state(smu);
ret = smu_get_power_num_states(smu, &data);
if (ret)
return ret;
} else if (adev->powerplay.pp_funcs->get_current_power_state
&& adev->powerplay.pp_funcs->get_pp_num_states) {
pm = amdgpu_dpm_get_current_power_state(adev);
amdgpu_dpm_get_pp_num_states(adev, &data);
for (i = 0; i < data.nums; i++) {
if (pm == data.states[i])
break;
}
if (i == data.nums)
i = -EINVAL;
}
for (i = 0; i < data.nums; i++) {
if (pm == data.states[i])
break;
}
if (i == data.nums)
i = -EINVAL;
return snprintf(buf, PAGE_SIZE, "%d\n", i);
}

6
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
View File

@ -29,6 +29,12 @@
#include "smu_v11_0.h"
#include "atom.h"
enum amd_pm_state_type smu_get_current_power_state(struct smu_context *smu)
{
/* not support power state */
return POWER_STATE_TYPE_DEFAULT;
}
int smu_get_power_num_states(struct smu_context *smu,
struct pp_states_info *state_info)
{

1
drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
View File

@ -382,5 +382,6 @@ int smu_common_read_sensor(struct smu_context *smu, enum amd_pp_sensors sensor,
int smu_sys_get_pp_table(struct smu_context *smu, void **table);
int smu_sys_set_pp_table(struct smu_context *smu, void *buf, size_t size);
int smu_get_power_num_states(struct smu_context *smu, struct pp_states_info *state_info);
enum amd_pm_state_type smu_get_current_power_state(struct smu_context *smu);
#endif