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Revert "drm/amd/powerply: fix power reading on Fiji"

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we don't have limit of [50ms, 4sec] sampling period.
smu calculate average gpu power in real time.
we can read average gpu power through smu message or
read special register.

This reverts commit 462d8dcc9fec0d89f1ff6a1f93f1d4f670878c71.

Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Rex Zhu 2018-04-04 14:11:45 +08:00 committed by Alex Deucher
parent 8ee3a52e3f
commit a0701722b6
1 changed files with 1 additions and 2 deletions
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3
drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
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@ -3364,8 +3364,7 @@ static int smu7_get_gpu_power(struct pp_hwmgr *hwmgr,
"Failed to start pm status log!",
return -1);
/* Sampling period from 50ms to 4sec */
msleep_interruptible(200);
msleep_interruptible(20);
PP_ASSERT_WITH_CODE(!smum_send_msg_to_smc(hwmgr,
PPSMC_MSG_PmStatusLogSample),