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.
Signed-off-by: Rex Zhu <rex....@amd.com>
---
drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
index 21c021b..388184e 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -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),
--
1.9.1
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