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| author | Kevin Wang <kevin1.wang@amd.com> | 2019-04-28 18:40:11 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-06-21 18:59:30 -0500 |
| commit | 9c62f993eeda3e71a7f0bbe1dc57ac305bfda486 (patch) | |
| tree | 5ca0d280327b3b94ef3cd571965fa1d015ab4365 /drivers/gpu/drm/amd/powerplay/navi10_ppt.c | |
| parent | 5bbb09943e5f4df025bac2731b8e3e3546873b14 (diff) | |
| download | linux-9c62f993eeda3e71a7f0bbe1dc57ac305bfda486.tar.bz2 | |
drm/amd/powerplay: add function read_sensor for navi10
add callback function read_sensor for navi10 asic
Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/powerplay/navi10_ppt.c')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/navi10_ppt.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c index 1d51bb715582..02054874de2f 100644 --- a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c +++ b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c @@ -1170,6 +1170,26 @@ static int navi10_set_watermarks_table(struct smu_context *smu, return 0; } +static int navi10_read_sensor(struct smu_context *smu, + enum amd_pp_sensors sensor, + void *data, uint32_t *size) +{ + int ret = 0; + struct smu_table_context *table_context = &smu->smu_table; + PPTable_t *pptable = table_context->driver_pptable; + + switch (sensor) { + case AMDGPU_PP_SENSOR_MAX_FAN_RPM: + *(uint32_t *)data = pptable->FanMaximumRpm; + *size = 4; + break; + default: + return -EINVAL; + } + + return ret; +} + static const struct pptable_funcs navi10_ppt_funcs = { .tables_init = navi10_tables_init, .alloc_dpm_context = navi10_allocate_dpm_context, @@ -1204,6 +1224,7 @@ static const struct pptable_funcs navi10_ppt_funcs = { .set_power_profile_mode = navi10_set_power_profile_mode, .get_profiling_clk_mask = navi10_get_profiling_clk_mask, .set_watermarks_table = navi10_set_watermarks_table, + .read_sensor = navi10_read_sensor, }; void navi10_set_ppt_funcs(struct smu_context *smu) |