drm/amdgpu/dpm: implement thermal sensor for CZ/ST

Previous code was just a copy/paste from KV.

Reviewed-by: Tom St Denis <tom.stdenis@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/cz_dpm.c b/drivers/gpu/drm/amd/amdgpu/cz_dpm.c
index f80a083..3c082e1 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/cz_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/cz_dpm.c
@@ -1514,14 +1514,16 @@ static int cz_dpm_set_powergating_state(void *handle,
        return 0;
 }
 
-/* borrowed from KV, need future unify */
 static int cz_dpm_get_temperature(struct amdgpu_device *adev)
 {
        int actual_temp = 0;
-       uint32_t temp = RREG32_SMC(0xC0300E0C);
+       uint32_t val = RREG32_SMC(ixTHM_TCON_CUR_TMP);
+       uint32_t temp = REG_GET_FIELD(val, THM_TCON_CUR_TMP, CUR_TEMP);
 
-       if (temp)
+       if (REG_GET_FIELD(val, THM_TCON_CUR_TMP, CUR_TEMP_RANGE_SEL))
                actual_temp = 1000 * ((temp / 8) - 49);
+       else
+               actual_temp = 1000 * (temp / 8);
 
        return actual_temp;
 }