diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/kv_dpm.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/kv_dpm.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c index f5a343cb0010..13f323745729 100644 --- a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c @@ -3260,6 +3260,39 @@ static int kv_check_state_equal(struct amdgpu_device *adev, return 0; } +static int kv_dpm_read_sensor(struct amdgpu_device *adev, int idx, + void *value, int *size) +{ + struct kv_power_info *pi = kv_get_pi(adev); + uint32_t sclk; + u32 pl_index = + (RREG32_SMC(ixTARGET_AND_CURRENT_PROFILE_INDEX) & + TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX_MASK) >> + TARGET_AND_CURRENT_PROFILE_INDEX__CURR_SCLK_INDEX__SHIFT; + + /* size must be at least 4 bytes for all sensors */ + if (*size < 4) + return -EINVAL; + + switch (idx) { + case AMDGPU_PP_SENSOR_GFX_SCLK: + if (pl_index < SMU__NUM_SCLK_DPM_STATE) { + sclk = be32_to_cpu( + pi->graphics_level[pl_index].SclkFrequency); + *((uint32_t *)value) = sclk; + *size = 4; + return 0; + } + return -EINVAL; + case AMDGPU_PP_SENSOR_GPU_TEMP: + *((uint32_t *)value) = kv_dpm_get_temp(adev); + *size = 4; + return 0; + default: + return -EINVAL; + } +} + const struct amd_ip_funcs kv_dpm_ip_funcs = { .name = "kv_dpm", .early_init = kv_dpm_early_init, @@ -3292,6 +3325,7 @@ static const struct amdgpu_dpm_funcs kv_dpm_funcs = { .enable_bapm = &kv_dpm_enable_bapm, .get_vce_clock_state = amdgpu_get_vce_clock_state, .check_state_equal = kv_check_state_equal, + .read_sensor = &kv_dpm_read_sensor, }; static void kv_dpm_set_dpm_funcs(struct amdgpu_device *adev) |