Commit fda519fb authored Feb 06, 2018 by Tom St Denis Committed by Alex Deucher Feb 19, 2018

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



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>

parent cf8c19a3

drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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;

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