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drm/amd/powerplay: Zero out power data in AMDGPU_PP_SENSOR_GPU_POWER readout

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Since 12 of the 16 bytes are not initialized with anything let's ensure they're
sensibly zeroed out otherwise debugfs callers will read back garbage
(because they assume debugfs wrote sensible data back...)

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Tom St Denis 2018-02-06 14:00:01 -05:00 committed by Alex Deucher
parent cf8c19a305
commit fda519fb5d
1 changed files with 2 additions and 0 deletions
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drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
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@ -3889,7 +3889,9 @@ static int vega10_get_gpu_power(struct pp_hwmgr *hwmgr,
return -EINVAL);
vega10_read_arg_from_smc(hwmgr, &value);
/* power value is an integer */
memset(query, 0, sizeof *query);
query->average_gpu_power = value << 8;
return 0;