drm/amdgpu/dpm: implement thermal sensor for CZ/ST
authorAlex Deucher <alexander.deucher@amd.com>
Thu, 13 Oct 2016 13:55:47 +0000 (09:55 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Fri, 14 Oct 2016 15:52:29 +0000 (11:52 -0400)
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>
drivers/gpu/drm/amd/amdgpu/cz_dpm.c

index f80a0834e889e8ff07b77846f28fcb619632ca14..3c082e1437303d3247da620fcd08ba8a031e62e0 100644 (file)
@@ -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;
 }