From: Kevin Wang <kevin1.wang@xxxxxxx>
add callback function read_sensor for navi10 asic
Signed-off-by: Kevin Wang <kevin1.wang@xxxxxxx>
Reviewed-by: Huang Rui <ray.huang@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/amd/powerplay/navi10_ppt.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/drivers/gpu/drm/amd/powerplay/navi10_ppt.c b/drivers/gpu/drm/amd/powerplay/navi10_ppt.c
index eafd6c653162..186c5726580a 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)
--
2.20.1
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